Keypad Backlighting Issue - BB Pearl 3G

Just recently I bought BB Pearl 3G and after 2 days of using it I'd encountered not so nice thing. I got surprised when for no reason the keypad backlight of my phone was not working. I tried to look for the screen/keypad option but found nothing with regards to this issue. I took out the battery of my phone and waited for 5 minutes to get it back to its working condition. I just want to ask, why does it happened? How to avoid it next time
Administrators, I would appreciate if you could give me a hand and reach me back through my email which I provided upon signing in here.
Thanks!!!
Solved!
Go to Solution.

trebor_uae wrote:
Administrators, I would appreciate if you could give me a hand and reach me back through my email which I provided upon signing in here.
Thanks!!!
Sorry, we communicate here in the Forums, in this thread you've started, not via email.
Do this, take your device in a dark or dimly lit room and cover the top right hand corner LED area with the palm of your hand.
Do you see the keyboard backlight brighten?
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[ 0.000000] Initializing cgroup subsys cpuset
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[ 0.000000] BIOS-e820: 000000007f5bf000 - 000000007f5ec000 (usable)
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[ 0.000000] BIOS-e820: 000000007f600000 - 0000000080000000 (reserved)
[ 0.000000] BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved)
[ 0.000000] BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
[ 0.000000] BIOS-e820: 00000000fed14000 - 00000000fed1a000 (reserved)
[ 0.000000] BIOS-e820: 00000000fed1c000 - 00000000fed20000 (reserved)
[ 0.000000] BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
[ 0.000000] BIOS-e820: 00000000ffe00000 - 0000000100000000 (reserved)
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[ 0.000000] A0000-BFFFF uncachable
[ 0.000000] C0000-DFFFF write-through
[ 0.000000] E0000-FFFFF write-protect
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[ 0.000000] 1 base 000000000 mask 0C0000000 write-back
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[ 0.000000] 5 disabled
[ 0.000000] 6 disabled
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[ 0.000000] ACPI: MCFG 000000007f5fa000 0003C (v01 ACRSYS ACRPRDCT 00000001 1025 01000013)
[ 0.000000] ACPI: SLIC 000000007f5f0000 00176 (v01 ACRSYS ACRPRDCT 00000001 1025 01000013)
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[ 0.000000] ACPI: SSDT 000000007f5ed000 00655 (v01 PmRef CpuPm 00003000 INTL 20051117)
[ 0.000000] ACPI: WDAT 000000007f5ec000 00194 (v01 INSYDE INSYDE 00000001 MSFT 01000013)
[ 0.000000] ACPI: Local APIC address 0xfee00000
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[ 0.000000] Faking a node at 0000000000000000-000000007f600000
[ 0.000000] Initmem setup node 0 0000000000000000-000000007f600000
[ 0.000000] NODE_DATA [000000007f5e8000 - 000000007f5ebfff]
[ 0.000000] [ffffea0000000000-ffffea0001ffffff] PMD -> [ffff88007c800000-ffff88007e7fffff] on node 0
[ 0.000000] Zone PFN ranges:
[ 0.000000] DMA 0x00000010 -> 0x00001000
[ 0.000000] DMA32 0x00001000 -> 0x00100000
[ 0.000000] Normal empty
[ 0.000000] Movable zone start PFN for each node
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[ 0.000000] 0: 0x00000010 -> 0x0000009f
[ 0.000000] 0: 0x00000100 -> 0x0007f494
[ 0.000000] 0: 0x0007f4bf -> 0x0007f577
[ 0.000000] 0: 0x0007f5bf -> 0x0007f5ec
[ 0.000000] 0: 0x0007f5ff -> 0x0007f600
[ 0.000000] On node 0 totalpages: 521481
[ 0.000000] DMA zone: 64 pages used for memmap
[ 0.000000] DMA zone: 5 pages reserved
[ 0.000000] DMA zone: 3914 pages, LIFO batch:0
[ 0.000000] DMA32 zone: 8088 pages used for memmap
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[ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
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[ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x00] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x00] disabled)
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x02] dfl dfl lint[0x1])
[ 0.000000] ACPI: IOAPIC (id[0x04] address[0xfec00000] gsi_base[0])
[ 0.000000] IOAPIC[0]: apic_id 4, version 32, address 0xfec00000, GSI 0-23
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[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.000000] ACPI: IRQ0 used by override.
[ 0.000000] ACPI: IRQ2 used by override.
[ 0.000000] ACPI: IRQ9 used by override.
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[ 0.000000] SMP: Allowing 4 CPUs, 2 hotplug CPUs
[ 0.000000] nr_irqs_gsi: 40
[ 0.000000] PM: Registered nosave memory: 000000000009f000 - 00000000000a0000
[ 0.000000] PM: Registered nosave memory: 00000000000a0000 - 00000000000e0000
[ 0.000000] PM: Registered nosave memory: 00000000000e0000 - 0000000000100000
[ 0.000000] PM: Registered nosave memory: 000000007f494000 - 000000007f4bf000
[ 0.000000] PM: Registered nosave memory: 000000007f577000 - 000000007f5bf000
[ 0.000000] PM: Registered nosave memory: 000000007f5ec000 - 000000007f5ff000
[ 0.000000] Allocating PCI resources starting at 80000000 (gap: 80000000:60000000)
[ 0.000000] Booting paravirtualized kernel on bare hardware
[ 0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1
[ 0.000000] PERCPU: Embedded 28 pages/cpu @ffff88007ee00000 s82880 r8192 d23616 u524288
[ 0.000000] pcpu-alloc: s82880 r8192 d23616 u524288 alloc=1*2097152
[ 0.000000] pcpu-alloc: [0] 0 1 2 3
[ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 513324
[ 0.000000] Policy zone: DMA32
[ 0.000000] Kernel command line: root=/dev/sda2 init=/bin/systemd ro initrd=../initramfs-linux.img BOOT_IMAGE=../vmlinuz-linux
[ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
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[ 0.000000] No AGP bridge found
[ 0.000000] Calgary: detecting Calgary via BIOS EBDA area
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[ 0.000000] Memory: 2038236k/2086912k available (4538k kernel code, 988k absent, 47688k reserved, 4307k data, 740k init)
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[ 0.000000] RCU dyntick-idle grace-period acceleration is enabled.
[ 0.000000] Dump stacks of tasks blocking RCU-preempt GP.
[ 0.000000] NR_IRQS:4352 nr_irqs:712 16
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[ 0.000000] console [tty0] enabled
[ 0.000000] allocated 8388608 bytes of page_cgroup
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[ 0.003341] Calibrating delay loop (skipped), value calculated using timer frequency.. 3326.66 BogoMIPS (lpj=5541870)
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[ 0.073329] ... value mask: 000000ffffffffff
[ 0.073329] ... max period: 000000007fffffff
[ 0.073329] ... fixed-purpose events: 3
[ 0.073329] ... event mask: 0000000700000003
[ 0.090227] NMI watchdog: enabled, takes one hw-pmu counter.
[ 0.110040] Booting Node 0, Processors #1
[ 0.006666] Disabled fast string operations
[ 0.123230] NMI watchdog: enabled, takes one hw-pmu counter.
[ 0.123346] Brought up 2 CPUs
[ 0.123354] Total of 2 processors activated (6652.33 BogoMIPS).
[ 0.123904] devtmpfs: initialized
[ 0.128532] PM: Registering ACPI NVS region [mem 0x7f577000-0x7f5befff] (294912 bytes)
[ 0.128532] NET: Registered protocol family 16
[ 0.128532] ACPI: bus type pci registered
[ 0.128532] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000)
[ 0.128532] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820
[ 0.188435] PCI: Using configuration type 1 for base access
[ 0.190086] bio: create slab <bio-0> at 0
[ 0.193414] ACPI: Added _OSI(Module Device)
[ 0.193421] ACPI: Added _OSI(Processor Device)
[ 0.193426] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 0.193431] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.197266] ACPI: EC: Look up EC in DSDT
[ 0.201283] ACPI: Executed 1 blocks of module-level executable AML code
[ 0.205327] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
[ 0.206553] ACPI: SSDT 000000007f4b7790 00708 (v01 PmRef Cpu0Ist 00003000 INTL 20051117)
[ 0.207973] ACPI: Dynamic OEM Table Load:
[ 0.207981] ACPI: SSDT (null) 00708 (v01 PmRef Cpu0Ist 00003000 INTL 20051117)
[ 0.208408] ACPI: SSDT 000000007f4b5690 00646 (v01 PmRef Cpu0Cst 00003001 INTL 20051117)
[ 0.209316] ACPI: Dynamic OEM Table Load:
[ 0.209323] ACPI: SSDT (null) 00646 (v01 PmRef Cpu0Cst 00003001 INTL 20051117)
[ 0.210234] ACPI: SSDT 000000007f4b6d90 0015F (v01 PmRef ApIst 00003000 INTL 20051117)
[ 0.211232] ACPI: Dynamic OEM Table Load:
[ 0.211239] ACPI: SSDT (null) 0015F (v01 PmRef ApIst 00003000 INTL 20051117)
[ 0.211274] ACPI: SSDT 000000007f4b6f10 0008D (v01 PmRef ApCst 00003000 INTL 20051117)
[ 0.211274] ACPI: Dynamic OEM Table Load:
[ 0.211274] ACPI: SSDT (null) 0008D (v01 PmRef ApCst 00003000 INTL 20051117)
[ 0.213516] ACPI: Interpreter enabled
[ 0.213526] ACPI: (supports S0 S3 S4 S5)
[ 0.213595] ACPI: Using IOAPIC for interrupt routing
[ 0.350738] ACPI: Power Resource [FN00] (on)
[ 0.351654] ACPI: EC: GPE = 0x19, I/O: command/status = 0x66, data = 0x62
[ 0.352063] ACPI: No dock devices found.
[ 0.352074] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 0.353084] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 0.354668] pci_root PNP0A08:00: host bridge window [io 0x0000-0x0cf7]
[ 0.354676] pci_root PNP0A08:00: host bridge window [io 0x0d00-0xffff]
[ 0.354683] pci_root PNP0A08:00: host bridge window [mem 0x000a0000-0x000bffff]
[ 0.354692] pci_root PNP0A08:00: host bridge window [mem 0x80000000-0xfebfffff]
[ 0.354796] PCI host bridge to bus 0000:00
[ 0.354803] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7]
[ 0.354809] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff]
[ 0.354815] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
[ 0.354821] pci_bus 0000:00: root bus resource [mem 0x80000000-0xfebfffff]
[ 0.354841] pci 0000:00:00.0: [8086:a010] type 00 class 0x060000
[ 0.354904] pci 0000:00:02.0: [8086:a011] type 00 class 0x030000
[ 0.354920] pci 0000:00:02.0: reg 10: [mem 0x98180000-0x981fffff]
[ 0.354931] pci 0000:00:02.0: reg 14: [io 0x60c0-0x60c7]
[ 0.354941] pci 0000:00:02.0: reg 18: [mem 0x80000000-0x8fffffff pref]
[ 0.354951] pci 0000:00:02.0: reg 1c: [mem 0x98000000-0x980fffff]
[ 0.355002] pci 0000:00:02.1: [8086:a012] type 00 class 0x038000
[ 0.355016] pci 0000:00:02.1: reg 10: [mem 0x98100000-0x9817ffff]
[ 0.355139] pci 0000:00:1b.0: [8086:27d8] type 00 class 0x040300
[ 0.355170] pci 0000:00:1b.0: reg 10: [mem 0x98200000-0x98203fff 64bit]
[ 0.355298] pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold
[ 0.355345] pci 0000:00:1c.0: [8086:27d0] type 01 class 0x060400
[ 0.355479] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold
[ 0.355527] pci 0000:00:1c.1: [8086:27d2] type 01 class 0x060400
[ 0.355660] pci 0000:00:1c.1: PME# supported from D0 D3hot D3cold
[ 0.355713] pci 0000:00:1d.0: [8086:27c8] type 00 class 0x0c0300
[ 0.355784] pci 0000:00:1d.0: reg 20: [io 0x6080-0x609f]
[ 0.355843] pci 0000:00:1d.1: [8086:27c9] type 00 class 0x0c0300
[ 0.355913] pci 0000:00:1d.1: reg 20: [io 0x6060-0x607f]
[ 0.355978] pci 0000:00:1d.2: [8086:27ca] type 00 class 0x0c0300
[ 0.356049] pci 0000:00:1d.2: reg 20: [io 0x6040-0x605f]
[ 0.356109] pci 0000:00:1d.3: [8086:27cb] type 00 class 0x0c0300
[ 0.356180] pci 0000:00:1d.3: reg 20: [io 0x6020-0x603f]
[ 0.356253] pci 0000:00:1d.7: [8086:27cc] type 00 class 0x0c0320
[ 0.356285] pci 0000:00:1d.7: reg 10: [mem 0x98204400-0x982047ff]
[ 0.356414] pci 0000:00:1d.7: PME# supported from D0 D3hot D3cold
[ 0.356453] pci 0000:00:1e.0: [8086:2448] type 01 class 0x060401
[ 0.356576] pci 0000:00:1f.0: [8086:27bc] type 00 class 0x060100
[ 0.356766] pci 0000:00:1f.2: [8086:27c1] type 00 class 0x010601
[ 0.356798] pci 0000:00:1f.2: reg 10: [io 0x60b8-0x60bf]
[ 0.356815] pci 0000:00:1f.2: reg 14: [io 0x60cc-0x60cf]
[ 0.356832] pci 0000:00:1f.2: reg 18: [io 0x60b0-0x60b7]
[ 0.356849] pci 0000:00:1f.2: reg 1c: [io 0x60c8-0x60cb]
[ 0.356866] pci 0000:00:1f.2: reg 20: [io 0x60a0-0x60af]
[ 0.356883] pci 0000:00:1f.2: reg 24: [mem 0x98204000-0x982043ff]
[ 0.356954] pci 0000:00:1f.2: PME# supported from D3hot
[ 0.356987] pci 0000:00:1f.3: [8086:27da] type 00 class 0x0c0500
[ 0.357057] pci 0000:00:1f.3: reg 20: [io 0x6000-0x601f]
[ 0.357213] pci 0000:01:00.0: [1969:2060] type 00 class 0x020000
[ 0.357252] pci 0000:01:00.0: reg 10: [mem 0x97000000-0x9703ffff 64bit]
[ 0.357274] pci 0000:01:00.0: reg 18: [io 0x5000-0x507f]
[ 0.357433] pci 0000:01:00.0: PME# supported from D0 D1 D2 D3hot D3cold
[ 0.363347] pci 0000:00:1c.0: PCI bridge to [bus 01-01]
[ 0.363357] pci 0000:00:1c.0: bridge window [io 0x5000-0x5fff]
[ 0.363367] pci 0000:00:1c.0: bridge window [mem 0x97000000-0x97ffffff]
[ 0.363380] pci 0000:00:1c.0: bridge window [mem 0x90000000-0x90ffffff 64bit pref]
[ 0.363491] pci 0000:02:00.0: [168c:002b] type 00 class 0x028000
[ 0.363528] pci 0000:02:00.0: reg 10: [mem 0x96000000-0x9600ffff 64bit]
[ 0.363687] pci 0000:02:00.0: supports D1
[ 0.363692] pci 0000:02:00.0: PME# supported from D0 D1 D3hot
[ 0.370004] pci 0000:00:1c.1: PCI bridge to [bus 02-02]
[ 0.370014] pci 0000:00:1c.1: bridge window [io 0x4000-0x4fff]
[ 0.370023] pci 0000:00:1c.1: bridge window [mem 0x96000000-0x96ffffff]
[ 0.370036] pci 0000:00:1c.1: bridge window [mem 0x91000000-0x91ffffff 64bit pref]
[ 0.370138] pci 0000:00:1e.0: PCI bridge to [bus 05-05] (subtractive decode)
[ 0.370158] pci 0000:00:1e.0: bridge window [io 0x0000-0x0cf7] (subtractive decode)
[ 0.370165] pci 0000:00:1e.0: bridge window [io 0x0d00-0xffff] (subtractive decode)
[ 0.370171] pci 0000:00:1e.0: bridge window [mem 0x000a0000-0x000bffff] (subtractive decode)
[ 0.370178] pci 0000:00:1e.0: bridge window [mem 0x80000000-0xfebfffff] (subtractive decode)
[ 0.370213] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
[ 0.370559] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.EXP1._PRT]
[ 0.370692] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.EXP2._PRT]
[ 0.371048] pci0000:00: Requesting ACPI _OSC control (0x1d)
[ 0.371521] pci0000:00: ACPI _OSC control (0x1c) granted
[ 0.378569] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 7 9 10 *11 12)
[ 0.378737] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 7 9 *10 11 12)
[ 0.378891] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 7 9 10 *11 12)
[ 0.379046] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 7 9 10 *11 12)
[ 0.379202] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
[ 0.379366] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
[ 0.379523] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
[ 0.379684] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
[ 0.379989] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
[ 0.380009] vgaarb: loaded
[ 0.380013] vgaarb: bridge control possible 0000:00:02.0
[ 0.380137] PCI: Using ACPI for IRQ routing
[ 0.390341] PCI: pci_cache_line_size set to 64 bytes
[ 0.390459] reserve RAM buffer: 000000000009fc00 - 000000000009ffff
[ 0.390466] reserve RAM buffer: 000000007f494000 - 000000007fffffff
[ 0.390473] reserve RAM buffer: 000000007f577000 - 000000007fffffff
[ 0.390479] reserve RAM buffer: 000000007f5ec000 - 000000007fffffff
[ 0.390484] reserve RAM buffer: 000000007f600000 - 000000007fffffff
[ 0.390741] NetLabel: Initializing
[ 0.390747] NetLabel: domain hash size = 128
[ 0.390750] NetLabel: protocols = UNLABELED CIPSOv4
[ 0.390779] NetLabel: unlabeled traffic allowed by default
[ 0.390818] HPET: 3 timers in total, 0 timers will be used for per-cpu timer
[ 0.390828] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0
[ 0.390839] hpet0: 3 comparators, 64-bit 14.318180 MHz counter
[ 0.400006] Switching to clocksource hpet
[ 0.418054] pnp: PnP ACPI init
[ 0.418104] ACPI: bus type pnp registered
[ 0.418980] pnp 00:00: [bus 00-ff]
[ 0.418988] pnp 00:00: [io 0x0000-0x0cf7 window]
[ 0.418994] pnp 00:00: [io 0x0cf8-0x0cff]
[ 0.419000] pnp 00:00: [io 0x0d00-0xffff window]
[ 0.419006] pnp 00:00: [mem 0x000a0000-0x000bffff window]
[ 0.419011] pnp 00:00: [mem 0x000c0000-0x000c3fff window]
[ 0.419017] pnp 00:00: [mem 0x000c4000-0x000c7fff window]
[ 0.419023] pnp 00:00: [mem 0x000c8000-0x000cbfff window]
[ 0.419029] pnp 00:00: [mem 0x000cc000-0x000cffff window]
[ 0.419034] pnp 00:00: [mem 0x000d0000-0x000d3fff window]
[ 0.419040] pnp 00:00: [mem 0x000d4000-0x000d7fff window]
[ 0.419046] pnp 00:00: [mem 0x000d8000-0x000dbfff window]
[ 0.419051] pnp 00:00: [mem 0x000dc000-0x000dffff window]
[ 0.419057] pnp 00:00: [mem 0x000e0000-0x000e3fff window]
[ 0.419063] pnp 00:00: [mem 0x000e4000-0x000e7fff window]
[ 0.419068] pnp 00:00: [mem 0x000e8000-0x000ebfff window]
[ 0.419074] pnp 00:00: [mem 0x000ec000-0x000effff window]
[ 0.419080] pnp 00:00: [mem 0x000f0000-0x000fffff window]
[ 0.419086] pnp 00:00: [mem 0x80000000-0xfebfffff window]
[ 0.419223] pnp 00:00: Plug and Play ACPI device, IDs PNP0a08 PNP0a03 (active)
[ 0.477040] pnp 00:01: [io 0x0068]
[ 0.477047] pnp 00:01: [io 0x006c]
[ 0.477052] pnp 00:01: [io 0x164e-0x164f]
[ 0.477057] pnp 00:01: [io 0x0061]
[ 0.477061] pnp 00:01: [io 0x0070]
[ 0.477066] pnp 00:01: [io 0x0080]
[ 0.477071] pnp 00:01: [io 0x0092]
[ 0.477075] pnp 00:01: [io 0x00b2-0x00b3]
[ 0.477080] pnp 00:01: [io 0x0063]
[ 0.477085] pnp 00:01: [io 0x0065]
[ 0.477089] pnp 00:01: [io 0x0067]
[ 0.477094] pnp 00:01: [io 0x0600-0x060f]
[ 0.477099] pnp 00:01: [io 0x0610]
[ 0.477103] pnp 00:01: [io 0x0800-0x080f]
[ 0.477108] pnp 00:01: [io 0x0810-0x0817]
[ 0.477113] pnp 00:01: [io 0x0400-0x047f]
[ 0.477118] pnp 00:01: [io 0x0500-0x053f]
[ 0.477123] pnp 00:01: [io 0xff2c-0xff2f]
[ 0.477128] pnp 00:01: [mem 0xe0000000-0xefffffff]
[ 0.477134] pnp 00:01: [mem 0xfed1c000-0xfed1ffff]
[ 0.477139] pnp 00:01: [mem 0xfed14000-0xfed17fff]
[ 0.477144] pnp 00:01: [mem 0xfed18000-0xfed18fff]
[ 0.477150] pnp 00:01: [mem 0xfed19000-0xfed19fff]
[ 0.477155] pnp 00:01: [mem 0xfec00000-0xfec00fff]
[ 0.477160] pnp 00:01: [mem 0xfee00000-0xfee00fff]
[ 0.477329] system 00:01: [io 0x164e-0x164f] has been reserved
[ 0.477338] system 00:01: [io 0x0600-0x060f] has been reserved
[ 0.477344] system 00:01: [io 0x0610] has been reserved
[ 0.477351] system 00:01: [io 0x0800-0x080f] has been reserved
[ 0.477357] system 00:01: [io 0x0810-0x0817] has been reserved
[ 0.477364] system 00:01: [io 0x0400-0x047f] has been reserved
[ 0.477370] system 00:01: [io 0x0500-0x053f] has been reserved
[ 0.477377] system 00:01: [io 0xff2c-0xff2f] has been reserved
[ 0.477385] system 00:01: [mem 0xe0000000-0xefffffff] has been reserved
[ 0.477392] system 00:01: [mem 0xfed1c000-0xfed1ffff] has been reserved
[ 0.477398] system 00:01: [mem 0xfed14000-0xfed17fff] has been reserved
[ 0.477405] system 00:01: [mem 0xfed18000-0xfed18fff] has been reserved
[ 0.477412] system 00:01: [mem 0xfed19000-0xfed19fff] has been reserved
[ 0.477419] system 00:01: [mem 0xfec00000-0xfec00fff] could not be reserved
[ 0.477426] system 00:01: [mem 0xfee00000-0xfee00fff] has been reserved
[ 0.477438] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.477469] pnp 00:02: [io 0x0000-0x001f]
[ 0.477474] pnp 00:02: [io 0x0081-0x0091]
[ 0.477479] pnp 00:02: [io 0x0093-0x009f]
[ 0.477484] pnp 00:02: [io 0x00c0-0x00df]
[ 0.477489] pnp 00:02: [dma 4]
[ 0.477556] pnp 00:02: Plug and Play ACPI device, IDs PNP0200 (active)
[ 0.477624] pnp 00:03: [io 0x0070-0x0077]
[ 0.477698] pnp 00:03: Plug and Play ACPI device, IDs PNP0b00 (active)
[ 0.477869] pnp 00:04: [irq 0 disabled]
[ 0.477890] pnp 00:04: [irq 8]
[ 0.477896] pnp 00:04: [mem 0xfed00000-0xfed003ff]
[ 0.477971] pnp 00:04: Plug and Play ACPI device, IDs PNP0103 (active)
[ 0.478004] pnp 00:05: [io 0x00f0]
[ 0.478018] pnp 00:05: [irq 13]
[ 0.478088] pnp 00:05: Plug and Play ACPI device, IDs PNP0c04 (active)
[ 0.478120] pnp 00:06: [mem 0xff800000-0xffffffff]
[ 0.478195] pnp 00:06: Plug and Play ACPI device, IDs INT0800 (active)
[ 0.478290] pnp 00:07: [io 0x0060]
[ 0.478296] pnp 00:07: [io 0x0064]
[ 0.478309] pnp 00:07: [irq 1]
[ 0.478381] pnp 00:07: Plug and Play ACPI device, IDs PNP0303 (active)
[ 0.478508] pnp 00:08: [irq 12]
[ 0.478591] pnp 00:08: Plug and Play ACPI device, IDs SYN1b1c SYN1b00 SYN0002 PNP0f13 (active)
[ 0.478951] pnp: PnP ACPI: found 9 devices
[ 0.478957] ACPI: ACPI bus type pnp unregistered
[ 0.490613] pci 0000:00:1c.0: PCI bridge to [bus 01-01]
[ 0.490624] pci 0000:00:1c.0: bridge window [io 0x5000-0x5fff]
[ 0.490636] pci 0000:00:1c.0: bridge window [mem 0x97000000-0x97ffffff]
[ 0.490646] pci 0000:00:1c.0: bridge window [mem 0x90000000-0x90ffffff 64bit pref]
[ 0.490659] pci 0000:00:1c.1: PCI bridge to [bus 02-02]
[ 0.490666] pci 0000:00:1c.1: bridge window [io 0x4000-0x4fff]
[ 0.490677] pci 0000:00:1c.1: bridge window [mem 0x96000000-0x96ffffff]
[ 0.490686] pci 0000:00:1c.1: bridge window [mem 0x91000000-0x91ffffff 64bit pref]
[ 0.490699] pci 0000:00:1e.0: PCI bridge to [bus 05-05]
[ 0.490785] pci 0000:00:1e.0: setting latency timer to 64
[ 0.490795] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7]
[ 0.490801] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff]
[ 0.490807] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]
[ 0.490813] pci_bus 0000:00: resource 7 [mem 0x80000000-0xfebfffff]
[ 0.490819] pci_bus 0000:01: resource 0 [io 0x5000-0x5fff]
[ 0.490825] pci_bus 0000:01: resource 1 [mem 0x97000000-0x97ffffff]
[ 0.490831] pci_bus 0000:01: resource 2 [mem 0x90000000-0x90ffffff 64bit pref]
[ 0.490838] pci_bus 0000:02: resource 0 [io 0x4000-0x4fff]
[ 0.490844] pci_bus 0000:02: resource 1 [mem 0x96000000-0x96ffffff]
[ 0.490850] pci_bus 0000:02: resource 2 [mem 0x91000000-0x91ffffff 64bit pref]
[ 0.490857] pci_bus 0000:05: resource 4 [io 0x0000-0x0cf7]
[ 0.490862] pci_bus 0000:05: resource 5 [io 0x0d00-0xffff]
[ 0.490868] pci_bus 0000:05: resource 6 [mem 0x000a0000-0x000bffff]
[ 0.490874] pci_bus 0000:05: resource 7 [mem 0x80000000-0xfebfffff]
[ 0.490975] NET: Registered protocol family 2
[ 0.491194] IP route cache hash table entries: 65536 (order: 7, 524288 bytes)
[ 0.492763] TCP established hash table entries: 262144 (order: 10, 4194304 bytes)
[ 0.496040] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
[ 0.496845] TCP: Hash tables configured (established 262144 bind 65536)
[ 0.496853] TCP: reno registered
[ 0.496888] UDP hash table entries: 1024 (order: 3, 32768 bytes)
[ 0.496928] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes)
[ 0.497141] NET: Registered protocol family 1
[ 0.497179] pci 0000:00:02.0: Boot video device
[ 0.497561] PCI: CLS 64 bytes, default 64
[ 0.497690] Unpacking initramfs...
[ 0.645619] Freeing initrd memory: 3280k freed
[ 0.648253] Simple Boot Flag at 0x44 set to 0x1
[ 0.649320] audit: initializing netlink socket (disabled)
[ 0.649348] type=2000 audit(1344044611.646:1): initialized
[ 0.650151] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[ 0.654971] VFS: Disk quotas dquot_6.5.2
[ 0.655106] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 0.655348] msgmni has been set to 3987
[ 0.655898] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
[ 0.655980] io scheduler noop registered
[ 0.655988] io scheduler deadline registered
[ 0.656146] io scheduler cfq registered (default)
[ 0.656446] pcieport 0000:00:1c.0: irq 40 for MSI/MSI-X
[ 0.656761] pcieport 0000:00:1c.1: irq 41 for MSI/MSI-X
[ 0.657026] pcieport 0000:00:1c.0: Signaling PME through PCIe PME interrupt
[ 0.657034] pci 0000:01:00.0: Signaling PME through PCIe PME interrupt
[ 0.657043] pcie_pme 0000:00:1c.0:pcie01: service driver pcie_pme loaded
[ 0.657086] pcieport 0000:00:1c.1: Signaling PME through PCIe PME interrupt
[ 0.657093] pci 0000:02:00.0: Signaling PME through PCIe PME interrupt
[ 0.657102] pcie_pme 0000:00:1c.1:pcie01: service driver pcie_pme loaded
[ 0.657340] intel_idle: MWAIT substates: 0x20220
[ 0.657366] intel_idle: v0.4 model 0x1C
[ 0.657372] intel_idle: lapic_timer_reliable_states 0x2
[ 0.657377] Marking TSC unstable due to TSC halts in idle states deeper than C2
[ 0.657457] GHES: HEST is not enabled!
[ 0.657634] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 0.658723] Linux agpgart interface v0.103
[ 0.658913] i8042: PNP: PS/2 Controller [PNP0303:KBC0,PNP0f13:MSS0] at 0x60,0x64 irq 1,12
[ 0.673701] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 0.673787] serio: i8042 AUX port at 0x60,0x64 irq 12
[ 0.674156] mousedev: PS/2 mouse device common for all mice
[ 0.674946] rtc_cmos 00:03: RTC can wake from S4
[ 0.675230] rtc_cmos 00:03: rtc core: registered rtc_cmos as rtc0
[ 0.675276] rtc0: alarms up to one month, 242 bytes nvram, hpet irqs
[ 0.675405] cpuidle: using governor ladder
[ 0.675548] cpuidle: using governor menu
[ 0.675877] TCP: cubic registered
[ 0.676148] NET: Registered protocol family 10
[ 0.676630] NET: Registered protocol family 17
[ 0.676643] Registering the dns_resolver key type
[ 0.677148] PM: Hibernation image not present or could not be loaded.
[ 0.677169] registered taskstats version 1
[ 0.678178] rtc_cmos 00:03: setting system clock to 2012-08-04 01:43:32 UTC (1344044612)
[ 0.678339] Initializing network drop monitor service
[ 0.681784] Freeing unused kernel memory: 740k freed
[ 0.682187] Write protecting the kernel read-only data: 8192k
[ 0.688133] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0
[ 0.696908] Freeing unused kernel memory: 1588k freed
[ 0.703289] Freeing unused kernel memory: 640k freed
[ 0.726908] systemd-udevd[40]: starting version 187
[ 0.731830] agpgart-intel 0000:00:00.0: Intel GMA3150 Chipset
[ 0.732096] agpgart-intel 0000:00:00.0: detected gtt size: 524288K total, 262144K mappable
[ 0.732419] agpgart-intel 0000:00:00.0: detected 8192K stolen memory
[ 0.733743] agpgart-intel 0000:00:00.0: AGP aperture is 256M @ 0x80000000
[ 0.740113] [drm] Initialized drm 1.1.0 20060810
[ 0.743662] input: Power Button as /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input1
[ 0.743683] ACPI: Power Button [PWRB]
[ 0.743928] input: Sleep Button as /devices/LNXSYSTM:00/device:00/PNP0C0E:00/input/input2
[ 0.743947] ACPI: Sleep Button [SLPB]
[ 0.744547] input: Lid Switch as /devices/LNXSYSTM:00/device:00/PNP0C0D:00/input/input3
[ 0.744652] ACPI: Lid Switch [LID0]
[ 0.744933] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input4
[ 0.744953] ACPI: Power Button [PWRF]
[ 0.756097] i915 0000:00:02.0: setting latency timer to 64
[ 0.833299] i915 0000:00:02.0: irq 42 for MSI/MSI-X
[ 0.833375] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
[ 0.833384] [drm] Driver supports precise vblank timestamp query.
[ 0.833491] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
[ 0.862865] fixme: max PWM is zero.
[ 1.143446] [drm] initialized overlay support
[ 1.162402] fbcon: inteldrmfb (fb0) is primary device
[ 1.590260] Console: switching to colour frame buffer device 128x37
[ 1.597027] fb0: inteldrmfb frame buffer device
[ 1.597032] drm: registered panic notifier
[ 1.896943] acpi device:28: registered as cooling_device0
[ 1.897639] input: Video Bus as /devices/LNXSYSTM:00/device:00/PNP0A08:00/LNXVIDEO:00/input/input5
[ 1.897663] ACPI: Video Device [OVGA] (multi-head: yes rom: no post: no)
[ 1.897750] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
[ 2.035973] usbcore: registered new interface driver usbfs
[ 2.036030] usbcore: registered new interface driver hub
[ 2.038013] usbcore: registered new device driver usb
[ 2.041510] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 2.041620] ehci_hcd 0000:00:1d.7: setting latency timer to 64
[ 2.041632] ehci_hcd 0000:00:1d.7: EHCI Host Controller
[ 2.041722] ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 1
[ 2.041784] ehci_hcd 0000:00:1d.7: using broken periodic workaround
[ 2.041808] ehci_hcd 0000:00:1d.7: debug port 1
[ 2.045723] ehci_hcd 0000:00:1d.7: cache line size of 64 is not supported
[ 2.045779] ehci_hcd 0000:00:1d.7: irq 22, io mem 0x98204400
[ 2.046541] SCSI subsystem initialized
[ 2.055034] uhci_hcd: USB Universal Host Controller Interface driver
[ 2.055957] libata version 3.00 loaded.
[ 2.059558] ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00
[ 2.061764] hub 1-0:1.0: USB hub found
[ 2.061778] hub 1-0:1.0: 8 ports detected
[ 2.062067] uhci_hcd 0000:00:1d.0: setting latency timer to 64
[ 2.062076] uhci_hcd 0000:00:1d.0: UHCI Host Controller
[ 2.062108] uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 2
[ 2.062184] uhci_hcd 0000:00:1d.0: irq 18, io base 0x00006080
[ 2.062594] hub 2-0:1.0: USB hub found
[ 2.062606] hub 2-0:1.0: 2 ports detected
[ 2.062845] uhci_hcd 0000:00:1d.1: setting latency timer to 64
[ 2.062853] uhci_hcd 0000:00:1d.1: UHCI Host Controller
[ 2.062884] uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 3
[ 2.062947] uhci_hcd 0000:00:1d.1: irq 20, io base 0x00006060
[ 2.063442] hub 3-0:1.0: USB hub found
[ 2.063458] hub 3-0:1.0: 2 ports detected
[ 2.063764] uhci_hcd 0000:00:1d.2: setting latency timer to 64
[ 2.063773] uhci_hcd 0000:00:1d.2: UHCI Host Controller
[ 2.063799] uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 4
[ 2.063867] uhci_hcd 0000:00:1d.2: irq 21, io base 0x00006040
[ 2.064794] hub 4-0:1.0: USB hub found
[ 2.064807] hub 4-0:1.0: 2 ports detected
[ 2.065069] uhci_hcd 0000:00:1d.3: setting latency timer to 64
[ 2.065077] uhci_hcd 0000:00:1d.3: UHCI Host Controller
[ 2.065104] uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 5
[ 2.065149] uhci_hcd 0000:00:1d.3: irq 22, io base 0x00006020
[ 2.066077] hub 5-0:1.0: USB hub found
[ 2.066091] hub 5-0:1.0: 2 ports detected
[ 2.067288] ahci 0000:00:1f.2: version 3.0
[ 2.067438] ahci 0000:00:1f.2: irq 43 for MSI/MSI-X
[ 2.067534] ahci: SSS flag set, parallel bus scan disabled
[ 2.067597] ahci 0000:00:1f.2: AHCI 0001.0100 32 slots 4 ports 3 Gbps 0x3 impl SATA mode
[ 2.067610] ahci 0000:00:1f.2: flags: 64bit ncq ilck stag pm led clo pmp pio slum part
[ 2.067625] ahci 0000:00:1f.2: setting latency timer to 64
[ 2.072121] scsi0 : ahci
[ 2.077401] scsi1 : ahci
[ 2.080638] scsi2 : ahci
[ 2.082013] scsi3 : ahci
[ 2.082537] ata1: SATA max UDMA/133 abar m1024@0x98204000 port 0x98204100 irq 43
[ 2.082546] ata2: SATA max UDMA/133 abar m1024@0x98204000 port 0x98204180 irq 43
[ 2.082551] ata3: DUMMY
[ 2.082555] ata4: DUMMY
[ 2.366818] usb 1-4: new high-speed USB device number 2 using ehci_hcd
[ 2.566765] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 2.567608] ata1.00: unexpected _GTF length (4)
[ 2.568011] ata1.00: ATA-8: Hitachi HTS545025B9A300, PB2OC60F, max UDMA/133
[ 2.568018] ata1.00: 488397168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
[ 2.569000] ata1.00: unexpected _GTF length (4)
[ 2.569401] ata1.00: configured for UDMA/133
[ 2.569721] scsi 0:0:0:0: Direct-Access ATA Hitachi HTS54502 PB2O PQ: 0 ANSI: 5
[ 2.890091] ata2: SATA link down (SStatus 0 SControl 300)
[ 2.906266] sd 0:0:0:0: [sda] 488397168 512-byte logical blocks: (250 GB/232 GiB)
[ 2.906536] sd 0:0:0:0: [sda] Write Protect is off
[ 2.906548] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 2.906662] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 2.955653] sda: sda1 sda2 sda3
[ 2.956983] sd 0:0:0:0: [sda] Attached SCSI disk
[ 3.443860] EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: (null)
[ 4.080865] systemd[1]: systemd 187 running in system mode. (+PAM -LIBWRAP -AUDIT -SELINUX -IMA -SYSVINIT +LIBCRYPTSETUP; arch)
[ 4.268749] systemd[1]: Inserted module 'autofs4'
[ 4.284427] systemd[1]: Set hostname to <D225E-Arch>.
[ 4.722331] systemd[1]: Cannot add dependency job for unit display-manager.service, ignoring: Unit display-manager.service failed to load: No such file or directory. See system logs and 'systemctl status display-manager.service' for details.
[ 5.259898] systemd-udevd[99]: starting version 187
[ 5.260136] systemd-journald[101]: Fixed max_use=99.8M max_size=12.4M min_size=64.0K keep_free=49.9M
[ 5.260314] systemd-journald[101]: Reserving 22720 entries in hash table.
[ 5.530348] EXT4-fs (sda2): re-mounted. Opts: data=ordered
[ 5.594552] systemd-journald[101]: Vacuuming...
[ 5.984762] thermal LNXTHERM:00: registered as thermal_zone0
[ 5.984774] ACPI: Thermal Zone [THRM] (50 C)
[ 5.993170] ACPI: Fan [FAN] (on)
[ 6.008164] ACPI: Requesting acpi_cpufreq
[ 6.055057] wmi: Mapper loaded
[ 6.121135] ACPI: AC Adapter [AC] (off-line)
[ 6.142771] coretemp coretemp.0: Using relative temperature scale!
[ 6.316369] microcode: CPU0 sig=0x106ca, pf=0x4, revision=0x0
[ 6.345709] iTCO_vendor_support: vendor-support=0
[ 6.371317] input: PC Speaker as /devices/platform/pcspkr/input/input6
[ 6.387737] acer_wmi: Acer Laptop ACPI-WMI Extras
[ 6.387775] acer_wmi: Function bitmap for Communication Button: 0x1
[ 6.387788] acer_wmi: Brightness must be controlled by acpi video driver
[ 6.388800] input: Acer WMI hotkeys as /devices/virtual/input/input7
[ 6.471410] cfg80211: Calling CRDA to update world regulatory domain
[ 6.479374] microcode: CPU1 sig=0x106ca, pf=0x4, revision=0x0
[ 6.481722] microcode: Microcode Update Driver: v2.00 <[email protected]>, Peter Oruba
[ 6.598136] Linux media interface: v0.10
[ 6.846985] ACPI: Battery Slot [BAT0] (battery present)
[ 6.898714] Linux video capture interface: v2.00
[ 6.940278] uvcvideo: Found UVC 1.00 device 1.3M WebCam (04f2:b1d8)
[ 6.950439] input: 1.3M WebCam as /devices/pci0000:00/0000:00:1d.7/usb1/1-4/1-4:1.0/input/input8
[ 6.951134] usbcore: registered new interface driver uvcvideo
[ 6.951142] USB Video Class driver (1.1.1)
[ 6.988464] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.07
[ 6.988790] iTCO_wdt: Found a NM10 TCO device (Version=2, TCOBASE=0x0460)
[ 6.989088] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0)
[ 7.138145] ath: EEPROM regdomain: 0x65
[ 7.138151] ath: EEPROM indicates we should expect a direct regpair map
[ 7.138161] ath: Country alpha2 being used: 00
[ 7.138165] ath: Regpair used: 0x65
[ 7.163644] snd_hda_intel 0000:00:1b.0: irq 44 for MSI/MSI-X
[ 7.164540] ieee80211 phy0: Selected rate control algorithm 'ath9k_rate_control'
[ 7.165285] Registered led device: ath9k-phy0
[ 7.165311] ieee80211 phy0: Atheros AR9285 Rev:2 mem=0xffffc90021440000, irq=17
[ 7.453924] input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/input/input9
[ 7.464934] input: HDA Intel Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10
[ 7.465285] input: HDA Intel Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11
[ 7.503962] psmouse serio1: synaptics: Touchpad model: 1, fw: 7.2, id: 0x1c0b1, caps: 0xd04733/0xa40000/0xa0000
[ 7.576847] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input12
[ 7.690199] EXT4-fs (sda3): mounted filesystem with ordered data mode. Opts: (null)
[ 7.929343] EXT4-fs (sda1): mounting ext2 file system using the ext4 subsystem
[ 7.934282] EXT4-fs (sda1): mounted filesystem without journal. Opts: (null)
[ 8.072332] systemd-journald[101]: Received SIGUSR1
[ 11.548644] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 18.667730] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 18.770981] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 21.987214] wlan0: authenticate with 74:44:01:3a:8a:ae
[ 21.994069] wlan0: send auth to 74:44:01:3a:8a:ae (try 1/3)
[ 21.996123] wlan0: authenticated
[ 22.003388] wlan0: associate with 74:44:01:3a:8a:ae (try 1/3)
[ 22.007338] wlan0: RX AssocResp from 74:44:01:3a:8a:ae (capab=0x411 status=0 aid=1)
[ 22.015634] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 22.015884] wlan0: associated
[ 32.483399] wlan0: no IPv6 routers present
Last edited by Pres (2012-08-05 22:06:43)

Really puzzled by this one. I've tried playing around with a ton of different acpi options. Only acpi=off prevents this from happening. Also tried upgrading my BIOS to the latest version. Tried several different distros and they all had the same issue, so it's not specific to Arch.
I've noticed the backlight stays off for exactly 10 seconds as if there is a 10 second timeout. If I could figure out where that is, might be possible to just lower the timeout.

Has ANYONE resolved the keyboard backlight issue with the 1.67 15" PB?

Here is the issue. I got a used PB G4 1.67 G4 off of Craigslist on Thursday night. When I picked it up the owner had done a re-install of the OS and it booted to the intro movie. While standing in the dark parking lot the backlight on the keyboard WAS working. I shut the machine off and got into the car to fill out the registration information and I noticed the backlight was NOT on. I pressed the buttons and nothing. I checked the keyboard and mouse system preference and the ambient lighting on/off was NOT there!
Does anyone have a solution to this problem or should I just forget about this feature?
Thank you all for your help.
Blake

I thank you for the response. In your case was the control for the lighting missing from the keyboard system prefs? That is what kills me, it worked one minute and not the next and I can't even see the controls for it.
Thanks again,
blake

Keypad Backlighting Issue - BB Pearl 3G

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