[Solved] Can't mount specific usb device after kernel upgrade

So, hi everyone
I've got a usb device which works on other systems (usb audio player, android tablet) but not on my archlinux htpc.
System is up to date, the usb stick worked a few days ago (here shown as /dev/sdc), relevant infos (shortened):
$ uname -a
Linux arch247 3.10.3-1-ARCH #1 SMP PREEMPT Fri Jul 26 11:26:59 CEST 2013 x86_64 GNU/Linux
$ lsusb
Bus 009 Device 006: ID 090c:1000 Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) Flash Drive
$ dmesg
[ 1788.621747] usb 9-4: new full-speed USB device number 8 using ohci_hcd
[ 1788.771370] usb 9-4: not running at top speed; connect to a high speed hub
[ 1788.785511] usb-storage 9-4:1.0: USB Mass Storage device detected
[ 1788.793170] scsi13 : usb-storage 9-4:1.0
[ 1789.801391] scsi 13:0:0:0: Direct-Access General USB Flash Disk 1.00 PQ: 0 ANSI: 2
[ 1789.814964] sd 13:0:0:0: [sdc] 15669248 512-byte logical blocks: (8.02 GB/7.47 GiB)
[ 1789.819230] sd 13:0:0:0: [sdc] Write Protect is off
[ 1789.819243] sd 13:0:0:0: [sdc] Mode Sense: 03 00 00 00
[ 1789.825267] sd 13:0:0:0: [sdc] No Caching mode page present
[ 1789.825281] sd 13:0:0:0: [sdc] Assuming drive cache: write through
$ lsmod | grep ohci
ohci_hcd 26544 0
usbcore 176991 6 ath3k,btusb,usb_storage,ohci_hcd,usbhid,xhci_hcd
$ sudo fdisk -l
Disk /dev/sda: 120.0 GB, 120034123776 bytes, 234441648 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x89675d3a
Device Boot Start End Blocks Id System
/dev/sda1 2048 50333695 25165824 83 Linux
/dev/sda2 50333696 234441647 92053976 83 Linux
Disk /dev/sdb: 2000.4 GB, 2000398934016 bytes, 3907029168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x0004e72c
Device Boot Start End Blocks Id System
/dev/sdb1 2048 3907022847 1953510400 83 Linux
Disk /dev/sdc: 8022 MB, 8022654976 bytes, 15669248 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x0009ae2c
Device Boot Start End Blocks Id System
/dev/sdc1 2048 15669247 7833600 c W95 FAT32 (LBA)
I can't reformat the device at the moment (lack of computers here). The usb port on the pc is working (tested with another fat32 formatted usb stick).
Any ideas? Hints? Tips?
Last edited by D4ve (2013-08-18 18:48:35)

It works on 3.9.11.
dmesg on 3.9.11:
[ 74.391651] usb 3-4: new high-speed USB device number 3 using xhci_hcd
[ 74.410514] usb 3-4: New USB device found, idVendor=0951, idProduct=1607
[ 74.410529] usb 3-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 74.410532] usb 3-4: Product: DataTraveler 2.0
[ 74.410534] usb 3-4: Manufacturer: Kingston
[ 74.410536] usb 3-4: SerialNumber: 00137299803FA931262A00CD
[ 74.465400] Initializing USB Mass Storage driver...
[ 74.465654] scsi7 : usb-storage 3-4:1.0
[ 74.465726] usbcore: registered new interface driver usb-storage
[ 74.465728] USB Mass Storage support registered.
[ 75.465448] scsi 7:0:0:0: Direct-Access Kingston DataTraveler 2.0 1.00 PQ: 0 ANSI: 2
[ 75.465839] sd 7:0:0:0: Attached scsi generic sg4 type 0
[ 75.466277] sd 7:0:0:0: [sdd] 3973120 512-byte logical blocks: (2.03 GB/1.89 GiB)
[ 75.466620] sd 7:0:0:0: [sdd] Write Protect is off
[ 75.466625] sd 7:0:0:0: [sdd] Mode Sense: 23 00 00 00
[ 75.466955] sd 7:0:0:0: [sdd] No Caching mode page present
[ 75.466960] sd 7:0:0:0: [sdd] Assuming drive cache: write through
[ 75.469081] sd 7:0:0:0: [sdd] No Caching mode page present
[ 75.469087] sd 7:0:0:0: [sdd] Assuming drive cache: write through
[ 75.681901] sdd: sdd1 sdd2
[ 75.683219] sd 7:0:0:0: [sdd] No Caching mode page present
[ 75.683224] sd 7:0:0:0: [sdd] Assuming drive cache: write through
[ 75.683227] sd 7:0:0:0: [sdd] Attached SCSI removable disk
dmesg on 3.10.5:
[ 1370.659092] usb 3-4: new high-speed USB device number 8 using xhci_hcd
[ 1370.677899] usb 3-4: New USB device found, idVendor=0951, idProduct=1607
[ 1370.677906] usb 3-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1370.677910] usb 3-4: Product: DataTraveler 2.0
[ 1370.677913] usb 3-4: Manufacturer: Kingston
[ 1370.677916] usb 3-4: SerialNumber: 00137299803FA931262A00CD
[ 1370.678442] usb-storage 3-4:1.0: USB Mass Storage device detected
[ 1370.678711] scsi12 : usb-storage 3-4:1.0
[ 1371.674797] scsi 12:0:0:0: Direct-Access Kingston DataTraveler 2.0 1.00 PQ: 0 ANSI: 2
[ 1371.675283] sd 12:0:0:0: Attached scsi generic sg4 type 0
[ 1371.675809] sd 12:0:0:0: [sdd] 3973120 512-byte logical blocks: (2.03 GB/1.89 GiB)
[ 1371.676184] sd 12:0:0:0: [sdd] Write Protect is off
[ 1371.676192] sd 12:0:0:0: [sdd] Mode Sense: 23 00 00 00
[ 1371.676560] sd 12:0:0:0: [sdd] No Caching mode page present
[ 1371.676567] sd 12:0:0:0: [sdd] Assuming drive cache: write through
[ 1402.372357] usb 3-4: reset high-speed USB device number 8 using xhci_hcd
[ 1402.389648] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ecdc0
[ 1402.389655] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ece00
[ 1433.410334] usb 3-4: reset high-speed USB device number 8 using xhci_hcd
[ 1433.427691] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ecdc0
[ 1433.427698] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ece00
[ 1464.352379] usb 3-4: reset high-speed USB device number 8 using xhci_hcd
[ 1464.369587] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ecdc0
[ 1464.369592] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ece00
[ 1495.294439] usb 3-4: reset high-speed USB device number 8 using xhci_hcd
[ 1495.311616] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ecdc0
[ 1495.311623] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ece00
[ 1495.314661] sd 12:0:0:0: [sdd] No Caching mode page present
[ 1495.314677] sd 12:0:0:0: [sdd] Assuming drive cache: write through
[ 1526.236340] usb 3-4: reset high-speed USB device number 8 using xhci_hcd
[ 1526.253657] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ecdc0
[ 1526.253665] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ece00
[ 1557.306368] usb 3-4: reset high-speed USB device number 8 using xhci_hcd
[ 1557.323619] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ecdc0
[ 1557.323627] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ece00
[ 1588.248358] usb 3-4: reset high-speed USB device number 8 using xhci_hcd
[ 1588.265745] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ecdc0
[ 1588.265752] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ece00
[ 1619.190405] usb 3-4: reset high-speed USB device number 8 using xhci_hcd
[ 1619.207780] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ecdc0
[ 1619.207788] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ece00
[ 1619.421206] sdd: sdd1 sdd2
[ 1619.422735] sd 12:0:0:0: [sdd] No Caching mode page present
[ 1619.422741] sd 12:0:0:0: [sdd] Assuming drive cache: write through
[ 1650.132306] usb 3-4: reset high-speed USB device number 8 using xhci_hcd
[ 1650.149607] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ecdc0
[ 1650.149614] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ece00
[ 1681.202196] usb 3-4: reset high-speed USB device number 8 using xhci_hcd
[ 1681.219363] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ecdc0
[ 1681.219370] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ece00
[ 1712.144197] usb 3-4: reset high-speed USB device number 8 using xhci_hcd
[ 1712.161474] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ecdc0
[ 1712.161482] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ece00
[ 1743.086261] usb 3-4: reset high-speed USB device number 8 using xhci_hcd
[ 1743.103565] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ecdc0
[ 1743.103572] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88024d4ece00
[ 1743.104256] sd 12:0:0:0: [sdd] Attached SCSI removable disk
EDIT: Doesn't work on 3.11-rc4 either.
Last edited by gmesalazar (2013-08-06 01:30:00)

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[2010-03-19 00:10] :: Parsing hook [sata]
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[2010-03-19 00:10] :: Parsing hook [udev]
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[2010-03-19 00:10] :: Parsing hook [scsi]
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[2010-03-19 09:44] :: Parsing hook [udev]
[2010-03-19 09:44] :: Parsing hook [autodetect]
[2010-03-19 09:44] :: Parsing hook [pata]
[2010-03-19 09:44] :: Parsing hook [scsi]
[2010-03-19 09:44] :: Parsing hook [sata]
[2010-03-19 09:44] :: Parsing hook [uresume]
[2010-03-19 09:44] :: Parsing hook [filesystems]
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[2010-03-19 09:44] :: Parsing hook [base]
[2010-03-19 09:44] :: Parsing hook [udev]
[2010-03-19 09:44] :: Parsing hook [pata]
[2010-03-19 09:44] :: Parsing hook [scsi]
[2010-03-19 09:45] :: Parsing hook [sata]
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[2010-03-19 09:45] :: Parsing hook [filesystems]
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any ideas? i will try dowloading xz-utils!
EDIT: i definitley already had xz-utils...
ok i downgraded every package but to no avail.. the problem persists
i get this message from dmesg repeated over and over again:
hub 5-0:1.0: connect-debounce failed, port 2 disabled
hub 6-0:1.0: unable to enumerate USB device on port 2
hub 2-0:1.0: unable to enumerate USB device on port 1
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Last edited by aaron.kilbride (2010-03-19 17:57:56)

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-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- Unit usbmuxd.service has begun starting up.
sep 11 12:32:14 laptop systemd[1]: Started iOS USB Muxer.
-- Subject: Unit usbmuxd.service has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- Unit usbmuxd.service has finished starting up.
-- The start-up result is done.
sep 11 12:32:14 laptop usbmuxd[20052]: [12:32:14.302][3] usbmuxd v1.0.8 starting up
sep 11 12:32:14 laptop usbmuxd[20052]: [12:32:14.303][3] Successfully dropped privileges to 'usbmux'
sep 11 12:32:14 laptop usbmuxd[20052]: [12:32:14.311][3] Connecting to new device on location 0x1000b as ID 1
sep 11 12:32:14 laptop usbmuxd[20052]: [12:32:14.311][3] Initialization complete
sep 11 12:32:14 laptop usbmuxd[20052]: [12:32:14.312][3] Connected to v1.0 device 1 on location 0x1000b with serial number bda1b89b56ff882835c0790ebe27d9e74e163cec
sep 11 12:32:14 laptop systemd-sysctl[20064]: Duplicate assignment of kernel/sysrq in file '/usr/lib/sysctl.d/50-default.conf', ignoring.
sep 11 12:32:14 laptop systemd-sysctl[20065]: Duplicate assignment of kernel/sysrq in file '/usr/lib/sysctl.d/50-default.conf', ignoring.
sep 11 12:32:14 laptop systemd-udevd[20035]: renamed network interface eth0 to enp0s26u1u2c4i2
sep 11 12:32:14 laptop NetworkManager[389]: <warn> failed to allocate link cache: (-10) Operation not supported
sep 11 12:32:14 laptop NetworkManager[389]: <info> (enp0s26u1u2c4i2): carrier is OFF
sep 11 12:32:14 laptop NetworkManager[389]: <info> (enp0s26u1u2c4i2): new Ethernet device (driver: 'ipheth' ifindex: 27)
sep 11 12:32:14 laptop NetworkManager[389]: <info> (enp0s26u1u2c4i2): exported as /org/freedesktop/NetworkManager/Devices/5
sep 11 12:32:14 laptop NetworkManager[389]: <info> (enp0s26u1u2c4i2): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
sep 11 12:32:14 laptop NetworkManager[389]: <info> (enp0s26u1u2c4i2): bringing up device.
sep 11 12:32:14 laptop NetworkManager[389]: <info> (enp0s26u1u2c4i2): preparing device.
sep 11 12:32:14 laptop NetworkManager[389]: <info> (enp0s26u1u2c4i2): deactivating device (reason 'managed') [2]
sep 11 12:32:14 laptop NetworkManager[389]: <info> Added default wired connection 'Wired connection 3' for /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1....26u1u2c4i2
sep 11 12:32:14 laptop kernel: IPv6: ADDRCONF(NETDEV_UP): enp0s26u1u2c4i2: link is not ready
sep 11 12:32:17 laptop kernel: traps: iphone-set-info[20040] general protection ip:7fd151259e86 sp:7fff6197fdf0 error:0 in libimobiledevice.so.4.0.1[7fd15114e000+1a000]
sep 11 12:32:17 laptop systemd-coredump[20067]: Process 20040 (iphone-set-info) dumped core.
-- Subject: Process 20040 (iphone-set-info) dumped core
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- Documentation: man:core(5)
-- Process 20040 (iphone-set-info) crashed and dumped core.
-- This usually indicates a programming error in the crashing program and
-- should be reported to its vendor as a bug.
I've tried to mount iOS device with ifuse, but it didn't work either.
Any idea?
Thanks in advance.
Last edited by Zack7777 (2013-11-11 10:13:26)

Thanks for the answers.
ewaller wrote:That looks like it is trying to treat your iPhone as a network interface. Have you turned on USB tethering on your phone? What happens if you turn it off?
It's always like this, no matter if I turn on or off tethering.
mzneverdies, donniezazen,
Ok, this seems to work with android devices but not with iOS. Also when I run detect while my iPhone is plugged in, device list is empty:
$ mtp-detect
Unable to open ~/.mtpz-data for reading, MTPZ disabled.libmtp version: 1.1.6
Listing raw device(s)
No raw devices found.
Main goal is to return support of iOS.
Last edited by Zack7777 (2013-09-12 07:56:34)

"/usr/lib/cups/backend/usb failed" After Kernel Upgrade

When I upgraded my kernel to 2.6.31.5-1 from 2.6.31.4-1 and tried printing a file, I got this error from cups:
"/usr/lib/cups/backend/usb failed"
The printer was working perfectly fine yesterday.
Upgrade I did today before rebooting my pc to use the new kernel:
[2009-10-27 09:49] upgraded compositeproto (0.4-2 -> 0.4.1-1)
[2009-10-27 09:49] upgraded consolekit (0.3.1-1 -> 0.4.1-1)
[2009-10-27 09:49] upgraded dbus-glib (0.80-1 -> 0.82-1)
[2009-10-27 09:49] upgraded dmxproto (2.2.99.1-1 -> 2.3-1)
[2009-10-27 09:49] upgraded fontcacheproto (0.1.2-2 -> 0.1.3-1)
[2009-10-27 09:49] upgraded pango (1.26.0-1 -> 1.26.0-2)
[2009-10-27 09:49] upgraded shared-mime-info (0.60-1 -> 0.70-1)
[2009-10-27 09:49] upgraded gtk2 (2.18.2-1 -> 2.18.3-1)
[2009-10-27 09:49] upgraded hicolor-icon-theme (0.10-2 -> 0.11-1)
[2009-10-27 09:49] upgraded kbproto (1.0.3-2 -> 1.0.4-1)
[2009-10-27 09:49] upgraded module-init-tools (3.10-2 -> 3.11.1-1)
[2009-10-27 09:50] >>> Updating module dependencies. Please wait ...
[2009-10-27 09:50] >>> MKINITCPIO SETUP
[2009-10-27 09:50] >>> ----------------
[2009-10-27 09:50] >>> If you use LVM2, Encrypted root or software RAID,
[2009-10-27 09:50] >>> Ensure you enable support in /etc/mkinitcpio.conf .
[2009-10-27 09:50] >>> More information about mkinitcpio setup can be found here:
[2009-10-27 09:50] >>> http://wiki.archlinux.org/index.php/Mkinitcpio
[2009-10-27 09:50]
[2009-10-27 09:50] >>> Generating initial ramdisk, using mkinitcpio. Please wait...
[2009-10-27 09:50] ==> Building image "default"
[2009-10-27 09:50] ==> Running command: /sbin/mkinitcpio -k 2.6.31-ARCH -c /etc/mkinitcpio.conf -g /boot/kernel26.img
[2009-10-27 09:50] :: Begin build
[2009-10-27 09:50] :: Parsing hook [base]
[2009-10-27 09:50] :: Parsing hook [udev]
[2009-10-27 09:50] :: Parsing hook [autodetect]
[2009-10-27 09:50] :: Parsing hook [pata]
[2009-10-27 09:50] :: Parsing hook [scsi]
[2009-10-27 09:50] :: Parsing hook [sata]
[2009-10-27 09:50] :: Parsing hook [usb]
[2009-10-27 09:50] :: Parsing hook [pcmcia]
[2009-10-27 09:50] :: Parsing hook [usbinput]
[2009-10-27 09:50] :: Parsing hook [keymap]
[2009-10-27 09:50] :: Parsing hook [filesystems]
[2009-10-27 09:50] :: Generating module dependencies
[2009-10-27 09:50] :: Generating image '/boot/kernel26.img'...SUCCESS
[2009-10-27 09:50] ==> SUCCESS
[2009-10-27 09:50] ==> Building image "fallback"
[2009-10-27 09:50] ==> Running command: /sbin/mkinitcpio -k 2.6.31-ARCH -c /etc/mkinitcpio.conf -g /boot/kernel26-fallback.img -S autodetect
[2009-10-27 09:50] :: Begin build
[2009-10-27 09:50] :: Parsing hook [base]
[2009-10-27 09:50] :: Parsing hook [udev]
[2009-10-27 09:50] :: Parsing hook [pata]
[2009-10-27 09:50] :: Parsing hook [scsi]
[2009-10-27 09:51] :: Parsing hook [sata]
[2009-10-27 09:51] :: Parsing hook [usb]
[2009-10-27 09:51] :: Parsing hook [pcmcia]
[2009-10-27 09:51] :: Parsing hook [usbinput]
[2009-10-27 09:51] :: Parsing hook [keymap]
[2009-10-27 09:51] :: Parsing hook [filesystems]
[2009-10-27 09:51] :: Generating module dependencies
[2009-10-27 09:51] :: Generating image '/boot/kernel26-fallback.img'...SUCCESS
[2009-10-27 09:51] ==> SUCCESS
[2009-10-27 09:51] upgraded kernel26 (2.6.31.4-1 -> 2.6.31.5-1)
[2009-10-27 09:51] upgraded libfetch (2.25-1 -> 2.26-1)
[2009-10-27 09:51] upgraded libgpg-error (1.6-1 -> 1.7-2)
[2009-10-27 09:51] upgraded libpciaccess (0.10.8-1 -> 0.10.9-1)
[2009-10-27 09:51] upgraded libspectre (0.2.2-2 -> 0.2.3-1)
[2009-10-27 09:51] upgraded xf86dgaproto (2.0.99.1-1 -> 2.1-1)
[2009-10-27 09:51] upgraded libxxf86dga (1.0.99.1-1 -> 1.1.1-0.1)
[2009-10-27 09:51] upgraded mlocate (0.22.2-1 -> 0.22.2-2)
[2009-10-27 09:51] upgraded sqlite3 (3.6.18-1 -> 3.6.19-1)
[2009-10-27 09:51] upgraded nss (3.12.4-1 -> 3.12.4-2)
[2009-10-27 09:51] upgraded pcmanfm (0.5.1-2 -> 0.5.2-1)
[2009-10-27 09:51] upgraded perl (5.10.1-3 -> 5.10.1-5)
[2009-10-27 09:51] upgraded pixman (0.16.0-1 -> 0.16.2-1)
[2009-10-27 09:51] upgraded popt (1.14-1 -> 1.15-1)
[2009-10-27 09:51] upgraded pygtk (2.16.0-1 -> 2.16.0-2)
[2009-10-27 09:51] upgraded python (2.6.3-2 -> 2.6.4-1)
[2009-10-27 09:51] upgraded qtcurve-gtk2 (0.69.0-1 -> 0.69.2-1)
[2009-10-27 09:51] upgraded randrproto (1.3.0-1 -> 1.3.1-1)
[2009-10-27 09:51] upgraded recordproto (1.13.2-2 -> 1.14-1)
[2009-10-27 09:51] upgraded tzdata (2009n-1 -> 2009o-1)
[2009-10-27 09:51] upgraded xbitmaps (1.0.1-2 -> 1.1.0-1)
[2009-10-27 09:51] upgraded xcursor-themes (1.0.1-2 -> 1.0.2-1)
[2009-10-27 09:51] upgraded xf86miscproto (0.9.2-2 -> 0.9.3-1)
[2009-10-27 09:51] upgraded xf86vidmodeproto (2.2.99.1-1 -> 2.3-1)
[2009-10-27 09:51] upgraded xineramaproto (1.1.99.1-1 -> 1.2-1)
[2009-10-27 09:51] upgraded xorg-apps (7.4-2 -> 7.5-1.1)
[2009-10-27 09:51] upgraded xproto (7.0.15-1 -> 7.0.16-1)
[2009-10-27 09:51] upgraded xulrunner (1.9.1.3-1 -> 1.9.1.3-2)
Last edited by ShadowKyogre (2009-10-28 01:32:52)

I downgraded the kernel and the printer works again and I forgot to mention I had usblp blacklisted both before and after I upgraded.

[solved] Unable to find the root device after an upgrade - diff. case

Background: I recently upgraded my installation done in August 2011 to the most recent packages with 'pacman -Syu' - which, amongst some other minor issues that I fixed, apparently broke my installation's boot sequence. Not sure if this is relevant, but I forced the upgrade as it's been prescribed here.
Note to self: do backups before any major upgrades like this.
Problem: The problem is of the same origin as seen in this post - systems lets me know it cant access the root partition anymore. I'm halfway through the procedure that pineapple-biku suggested but since my partition layout is different - and - because I don't have much understanding of what *exactly* I'm supposed to do and accomplish, I'm stuck for now.
What is the best way to find out the exact labels of encrypted volumes and their corresponding kernel device IDs (i.e. /dev/sda6 for 'tmp' and so on)? I have several volumes of the same size, thus it's hard to guess which is which without knowing for sure.
Details: My setup has an unencrypted '/boot' partition and 7 other encrypted partitions, including /root, /usr and others. These are contained within a single extended partition.
Any help will be greatly appreciated. In case I've left out some important information, let me know, and I'll do my best to provide it.
Last edited by Raija (2012-02-28 03:06:25)

Thank you both for your assistance. Some more understanding was exactly what I was in need of.
falconindy wrote:The news item you posted says to force the installation of a single package, not the entire upgrade. These two things are not equivalent.
Thanks for pointing that out. I'm still a newbie when it comes to Pacman, thus prone to such mistakes.
Gcool wrote:
Raija wrote:What is the best way to find out the exact labels of encrypted volumes and their corresponding kernel device IDs (i.e. /dev/sda6 for 'tmp' and so on)? I have several volumes of the same size, thus it's hard to guess which is which without knowing for sure.
# ls -lah /dev/disk/by-label
# ls -lah /dev/disk/by-id
# ls -lah /dev/disk/by-uuid
This should get you on the way on discovering which disk is what exactly (you'll need to know the / and /boot partition in order to fix the issue).
Thank you. I'll try that.

How can I see my USB device in the measurement&automation explorer?

I'm trying to use an USB-device with LabView7.0.
I followed the manual "using NI-VISA3.0 to control your USB device" which I found on the NI-webpage.
I generated an .inf file using the VISA driver developement wizard and installed it in the INV folder of my system (I'm using Win2000).
The following problems occured: after I connect my USB device the "add new hardware wizard" pops up and aks for a driver for the new hardware. when I direct it to the folder with the generated .inf file it doesn't accept this file as a driver.
second: the USB device doesn't appear in the measurement&automation explorer. I assume that as long as my device doen't appear there it is not recognized by NI-VISA and the comm
unication from LV wouldn't work?
How can a make my USB device visible in the meas.&aut. explorer?
Regards
Tobias

Tobias,
In the VISA Driver Development Wizard, you are required to specify the Vendor and Product ID. These numbers are what Windows will use to determine whether a specific driver is appropriate for a given device. If these numbers do not match between your device and the Windows driver (INF file) that you generate, you will see the behavior that you describe. Check to make sure that you are using the appropriate values. Also, did you right click on the INF file and install it as directed in step 2.2.2?
Page 5-87 of the VISA Programmer's reference manual specifies how to do a viOpen to a USB device in RAW mode, but you still need the same sorts of Product ID and Mfg ID that you needed for the INF file generation. Furthermore, if you are communicating with
your instrument directly, you will need to know exactly what command set it expects, so make sure you get that from the manufacturer as well. Finally, I want to mention that if this device complies with the USBTMC standard, then none of this is necessary--the steps above are for setting up a RAW USB connection. See this link for information.
Scott

Disk won't mount - Unknown USB Device (Link in Compliance Mode)

I have an HP Envy DV7 (dv7-7243cl ) with Windows 8 Pro x64. My Western Digital 2 terabyte My Book USB3.0 external drive periodically won't mount ( sometimes it will, sometimes it won't). The drive has its own power source.
When this happens Windows device manager shows - Unknown USB Device (Link in Compliance Mode). This can happen if the system is up and running and I plug the drive into the USB port or on system startup where the drive is already plugged in.
Any clue how to fix this?
Other details:
Intel(R) Core(TM) i7-3630QM CPU @ 2.40GHz
12 Gig memory
Intel(R) HD Graphics 4000
System board 181C 52.24
Bios F.26

Well, the problem is that - as outlined in one of the articles I linked to - some USB devices will not work in Safe Mode; that may have to do with the fact the Safe Mode is only meant to be a troubleshooting tool, not a regular way of booting up. Did you have the USB devices attached while upgrading to 10.6? That would also be a problem - I unplug everything except keyboard and mouse.And, did you repair permissions after the upgrade? If not, do it now.
And, the other problem is the fact that you wait 1 - 2 years before addressing the issue; when you had it in for the last repair and it still exhibited the same problems afterwards, you should would have taken it back, possibly with some screenshots, exact notes of how/when/error messages, etc. and insisted on having it fixed or replaced.
So, I'd run the Apple Hardware Test (after you make sure that you have a complete backup) - instructions here:
http://support.apple.com/kb/HT1509
Report back with whatever messages you wind up with.

How to find COM port for a specific USB device

I want to automatically find the COM port for a specific USB device. I use the VISA find resource function but I can't get the manufacturer's ID. VISA says the device doesn't have this information. The find resource function does narrow my search (and often finds the port depending on what other usb devices are connected). In the case where it finds multiple possible ports, can I safely send a message to each port to determine if it is the correct device? I know it will work for my purposes but I don't know if I am asking for trouble by sending messages to unidentified devices. Any thoughts on how I can identify my device port will be appreciated. Thank you - Dave F

You can do it using WMI. I have C# code I am supposed to convert into LabVIEW foing something similar to what you want to do. In my case, I am testing a USB device and need to know which port on the hub is which COM port (the device creates a virtual COM port for communication). Using WMI, you can find the hardware path to the device and know that COM10 is USB hub Port 1 for example. Unfortunately, I cannot share the C# code.
You can download the WMI Code Creator tool from Microsoft, which should help you tremendously find the proper method of getting your info.
You basically want to look at all the W32_USB devices for the specific device you are looking for. Once you have that, you can look for the COM Port associated with it. I don't know when I will get to coding this up in LabVIEW, but will report back when I do, assuming you haven't found the solution by then.

How can i connect a usb device (keyboard) into ipad 4

How can i connect a usb device (keyboard) into ipad 4

The only keyboards that will work are bluetooth ones and keyboards made specifically for iPad.

I can't mount a USB Hard Drive...can you?

I can't mount a USB hard drive on MAC or PC. Mac it does not mount - PC won't accept password.
Does it even work?
AirPort Extreme n Mac OS X (10.4.9) PC too

I just bought the Airport Extreme 802.11n and a WD MyBook Essential Edition 500GB to use with it as a shared disk. Reformatted it on my Mac and it works fine, but can't get Airport Disk Utility to see it. I've tried resetting everything, but no go.
The improved range compared to my old Airport Extreme 802.11b/g is great, but I've wasted my money on the disk if the Airport can't connect to it.
Why was there no explanation anywhere in the specifications that this new Airport only works with some USB disks? The way it's written is clearly designed to make you think that any external HD that connects to a USB port will work.
I too would welcome any thoughts on how to get the HD to work with Airport. Thanks.
MacPro 2x2GHz Mac OS X (10.4.9)

I can't see my usb devices on my desktop.

i can't see my usb devices on my desktop. i tried to restart and re-plag but it doesn't show up. help?

Welcome to Apple Support Communities
That's normal. You have to set up Finder to show external drives on Desktop.
To do this, open a Finder window, go to Finder menu (on the menu bar) > Preferences > General, and mark "External disks"

Iphone4s can's search any BT device after upgrading to 7.0.3

2 iphone4s can's search any BT device after upgrading to 7.0.3
it can work well with IOS 6.0.3, but fail to search any BT device with 7.0.3
Tesing BT device
1: Plantronics Voyager Legend earphone
2: other Mobile phone BT ( available), and other MobileDevice can search this iphone and successfully paried, iphone can‘t search any device，
Keep the “searching device” status

Hi toneyfeng,
If you are having Bluetooth issues after updating to iOS7, you may find the following article helpful:
iOS: How to troubleshoot Bluetooth connections
http://support.apple.com/kb/TS4562
Regards,
- Brenden

I have an hp office jet 4500 and os maverick 10.9.4 and I can't get it to print after last upgrade, multiple malfunctions and error, help?

I have an hp office jet 4500 and os maverick 10.9.4 and I can’t get it to print after last upgrade, multiple malfunctions and error, help? I have tried deleting and resetting printer and re-installing update 6 times. Last update attempt showed none available??? I can’t load the software directly from HP because their only option is to use the software update option on the mac....frustrated!!! Help!!
I get blank pages that just run through the printer and a stats window that just 33% complete and goes no further.

I am going on the guess that an old driver is still installed...
Use Finder Go > go to folder, and go to /Library/Printers and delete the HP folder(s).
Reset the Printing System:
OS X Mavericks: Reset the printing system
Now, Add the printer in Print & Scan prefs.

[Solved] Can't mount specific usb device after kernel upgrade

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