/proc/acpi/event: Device or resource busy

Hi
ACPI has been working fine on my Acer Travelmate for a long time - but suddenly it broke. I can't start acpid deamon - I get the following error:
acpid: can't open /proc/acpi/event: Device or resource busy
Does anybody know how to fix it?

Hello, I have the same problem, but I think (not confirmed yet) that the solution of putting acpid before hald might work... (i can't restart this notebook right now...)
Just posting this because i used "lsof" to find what process uses the /proc/acpi/event file... so it would help you to find why you can't access it even when acpid starts before hald....
21:32:58°nanex@root:/home/noice$ /etc/rc.d/acpid restart
:: Stopping acpid [FAIL]
:: Starting acpid [BUSY]
acpid: can't open /proc/acpi/event: Device or resource busy
[FAIL]
21:33:00°nanex@root:/home/noice$ /etc/rc.d/acpid stop
:: Stopping acpid [FAIL]
21:37:27°nanex@root:/home/noice$ cat /proc/acpi/event
cat: /proc/acpi/event: Device or resource busy
21:37:34°nanex@root:/home/noice$ lsof /proc/acpi/event
lsof: WARNING: can't stat() fuse.gvfs-fuse-daemon file system /home/noice/.gvfs
Output information may be incomplete.
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
hald-addo 4193 hal 4r REG 0,3 0 4026531932 /proc/acpi/event
21:32:58°nanex@root:/home/noice$ /etc/rc.d/acpid restart
:: Stopping acpid [FAIL]
:: Starting acpid [BUSY] acpid: can't open /proc/acpi/event: Device or resource busy
[FAIL]
21:33:00°nanex@root:/home/noice$ /etc/rc.d/acpid stop
:: Stopping acpid [FAIL]
21:37:27°nanex@root:/home/noice$ cat /proc/acpi/event
cat: /proc/acpi/event: Device or resource busy
21:37:34°nanex@root:/home/noice$ lsof /proc/acpi/event
lsof: WARNING: can't stat() fuse.gvfs-fuse-daemon file system /home/noice/.gvfs
Output information may be incomplete.
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
hald-addo 4193 hal 4r REG 0,3 0 4026531932 /proc/acpi/event

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    Jun 07 19:14:16 unmensch systemd-logind[286]: Watching system buttons on /dev/input/event3 (Video Bus)
    Jun 07 19:14:16 unmensch systemd-logind[286]: Watching system buttons on /dev/input/event4 (Lid Switch)
    Jun 07 19:14:16 unmensch systemd-logind[286]: Watching system buttons on /dev/input/event5 (Sleep Button)
    Jun 07 19:14:16 unmensch systemd-logind[286]: Watching system buttons on /dev/input/event7 (ThinkPad Extra Buttons)

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    List of visible access point(s): 22 item(s) total, 22 item(s) displayed
            BSSID        BSS Type PHY    Signal(dB)    Chnl/freq    SSID
    60-02-92-C6-D3-E8    Infra     <unknown>    -62        11     HOME-C7D4-2.4
    60-02-92-A1-75-E0    Infra     <unknown>    -58        6     HOME-B917-2.4
    00-1D-D5-D5-34-F0    Infra     <unknown>    -73        6     HOME-34F2
    60-02-92-A1-75-E1    Infra     <unknown>    -58        6     (Unnamed Network)
    06-1D-D5-D5-34-F0    Infra     <unknown>    -78        6     xfinitywifi
    C4-27-95-C9-C4-2D    Infra     <unknown>    -57        1     HOME-C42D
    02-1D-D5-D5-34-F0    Infra     <unknown>    -74        6     (Unnamed Network)
    00-0D-97-07-E0-79    Infra     g    -75        6     (Unnamed Network)
    00-1D-CF-2A-44-C0    Infra     <unknown>    -86        6     HOME-44C2
    02-1D-CF-2A-44-C0    Infra     <unknown>    -86        6     (Unnamed Network)
    F8-E4-FB-3C-87-A2    Infra     <unknown>    -89        6     YVNM7
    06-1D-CF-2A-44-C0    Infra     <unknown>    -87        6     xfinitywifi
    0C-F8-93-7A-13-50    Infra     b    -87        6     PKennedy
    06-F8-93-7A-13-50    Infra     b    -89        6     xfinitywifi
    02-F8-93-7A-13-50    Infra     b    -87        6     (Unnamed Network)
    E0-88-5D-C8-A9-DC    Infra     <unknown>    -80        1     HOME-A9DC
    E2-88-5D-C8-A9-DD    Infra     <unknown>    -79        1     (Unnamed Network)
    16-CF-E2-43-0B-30    Infra     <unknown>    -88        1     xfinitywifi
    60-02-92-F0-A8-C0    Infra     <unknown>    -90        11     HOME-96A6-2.4
    60-02-92-C6-D3-E9    Infra     <unknown>    -63        11     (Unnamed Network)
    02-1D-D4-EB-87-00    Infra     <unknown>    -88        11     (Unnamed Network)
    06-1D-D4-EB-87-00    Infra     <unknown>    -88        11     xfinitywifi
    Connection History
     Information for Auto Configuration ID 1
      List of visible networks: 13 item(s) total, 13 item(s) displayed
      BSS Type PHY    Security    Signal(RSSI)    Compatible    SSID
      Infra     <unknown>    Yes        63    Yes        HOME-C7D4-2.4
      Infra     <unknown>    Yes        70    Yes        HOME-B917-2.4
      Infra     <unknown>    Yes        43    Yes        HOME-34F2
      Infra     <unknown>    Yes        70    Yes        (Unnamed Network)
      Infra     <unknown>    No        40    Yes        xfinitywifi
      Infra     <unknown>    Yes        71    Yes        HOME-C42D
      Infra     g    No        43    Yes        (Unnamed Network)
      Infra     <unknown>    Yes        28    Yes        HOME-44C2
      Infra     <unknown>    Yes        20    Yes        YVNM7
      Infra     b    Yes        21    Yes        PKennedy
      Infra     <unknown>    Yes        33    Yes        HOME-A9DC
      Infra     <unknown>    Yes        35    Yes        (Unnamed Network)
      Infra     <unknown>    Yes        16    Yes        HOME-96A6-2.4
      List of preferred networks: 3 item(s)
       Profile: xfinitywifi
        SSID: xfinitywifi
        SSID length: 11
        Connection mode: Infra
        Security: No
        Set by group policy: No
        Connect even if network is not broadcasting: No
        Connectable: Yes
       Profile: HTC Portable Hotspot 9F50
        SSID: HTC Portable Hotspot 9F50
        SSID length: 25
        Connection mode: Infra
        Security: Yes
        Set by group policy: No
        Connect even if network is not broadcasting: No
        Connectable: No
         Reason: 0x00028002
       Profile: belkin.332
        SSID: belkin.332
        SSID length: 10
        Connection mode: Infra
        Security: Yes
        Set by group policy: No
        Connect even if network is not broadcasting: No
        Connectable: No
         Reason: 0x00028002
     Information for Connection ID 1
     Connection started at: 2015-03-07 19:57:14-186
      Auto Configuration ID: 1
      Profile: xfinitywifi
      SSID: xfinitywifi
      SSID length: 11
      Connection mode: Infra
      Security: No
      Pre-Association and Association
       Connectivity settings provided by hardware manufacturer (IHV): No
       Security settings provided by hardware manufacturer (IHV): No
       Profile matches network requirements: Success
       Pre-association status: Success
       Association status: Success
        Last AP:  06-1d-d5-d5-34-f0
      Security and Authentication
       Configured security type: Open
       Configured encryption type: None
       802.1X protocol: No
       Key exchange initiated: Yes
        Unicast key received: No
        Multicast key received: No
       Number of security packets received: 0
       Number of security packets sent: 0
       Security attempt status: Success
     Connectivity
       Packet statistics
        Ndis Rx: 2068
        Ndis Tx: 2543
        Unicast decrypt success: 0
        Multicast decrypt success: 0
        Unicast decrypt failure: 0
        Multicast decrypt failure: 0
        Rx success: 3954
        Rx failure: 0
        Tx success: 537
        Tx failure: 4
        Tx retry: 2
        Tx multiple retry: 2
        Tx max lifetime exceeded: 0
        Tx ACK failure: 18
       Roaming history: 0 item(s)
    InformationalDiagnostics Information (Wireless Connectivity)
    Details about wireless connectivity diagnosis:
    For complete information about this session see the wireless connectivity information event.
    Helper Class: Auto Configuration
     Initialize status: Success
    Information for connection being diagnosed
     Interface GUID: 70a0781d-6329-45e4-8d7c-34aeca294c39
     Interface name: Intel(R) Centrino(R) Advanced-N 6250 AGN
     Interface type: Native WiFi
    Result of diagnosis: There may be problem
     Network Connection details from Command Prompt  (some info hidden for security reasons)
    Connection-specific DNS Suffix:
    Description: Intel(R) Centrino(R) Advanced-N 6250 AGN
    Physical Address: ‎00-23-15-54-19-B8
    DHCP Enabled: Yes
    IPv4 Address: 192.168.X.XX
    IPv4 Subnet Mask: 255.255.XX.X
    Lease Obtained: Saturday, March 07, 2015 7:57:14 PM
    Lease Expires: Saturday, March 07, 2015 8:24:44 PM
    IPv4 Default Gateway: 192.168.X.X
    IPv4 DHCP Server: 192.168.X.X
    IPv4 DNS Servers: 75.75.75.75, 75.75.76.76
    IPv4 WINS Server:
    NetBIOS over Tcpip Enabled: Yes
    Link-local IPv6 Address: fe80::b8de:3ac9:e166:XXX%XX
    IPv6 Default Gateway:
    IPv6 DNS Server:
    Results of Ping and Trace Route in Command Prompt
    Microsoft Windows [Version 6.1.7601]
    Copyright (c) 2009 Microsoft Corporation.  All rights reserved.
    C:\Windows\system32>ping 127.0.0.1
    Pinging 127.0.0.1 with 32 bytes of data:
    Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
    Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
    Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
    Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
    Ping statistics for 127.0.0.1:
        Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
        Minimum = 0ms, Maximum = 0ms, Average = 0ms
    C:\Windows\system32>ping www.youtube.com
    Pinging youtube-ui.l.google.com [173.194.121.6] with 32 bytes of data:
    Reply from 173.194.121.6: bytes=32 time=24ms TTL=55
    Reply from 173.194.121.6: bytes=32 time=19ms TTL=55
    Request timed out.
    Request timed out.
    Ping statistics for 173.194.121.6:
        Packets: Sent = 4, Received = 2, Lost = 2 (50% loss),
    Approximate round trip times in milli-seconds:
        Minimum = 19ms, Maximum = 24ms, Average = 21ms
    C:\Windows\system32>ping 74.125.239.34
    Pinging 74.125.239.34 with 32 bytes of data:
    Request timed out.
    Request timed out.
    Reply from 74.125.239.34: bytes=32 time=3286ms TTL=50
    Request timed out.
    Ping statistics for 74.125.239.34:
        Packets: Sent = 4, Received = 1, Lost = 3 (75% loss),
    Approximate round trip times in milli-seconds:
        Minimum = 3286ms, Maximum = 3286ms, Average = 3286ms
    C:\Windows\system32>ping www.hotmail.com
    Pinging dispatch.kahuna.glbdns2.microsoft.com [65.55.157.204] with 32 bytes of data:
    Reply from 65.55.157.204: bytes=32 time=111ms TTL=237
    Request timed out.
    Request timed out.
    Reply from 65.55.157.204: bytes=32 time=1537ms TTL=237
    Ping statistics for 65.55.157.204:
        Packets: Sent = 4, Received = 2, Lost = 2 (50% loss),
    Approximate round trip times in milli-seconds:
        Minimum = 111ms, Maximum = 1537ms, Average = 824ms
    C:\Windows\system32>ping 207.46.11.236
    Pinging 207.46.11.236 with 32 bytes of data:
    Request timed out.
    Request timed out.
    Request timed out.
    Request timed out.
    Ping statistics for 207.46.11.236:
        Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
    C:\Windows\system32>tracert www.youtube.com
    Tracing route to youtube-ui.l.google.com [173.194.121.5]
    over a maximum of 30 hops:
      1    19 ms    13 ms    17 ms  xfwsr12-nwca-01.sys.comcast.net [68.85.15.244]
      2    13 ms    13 ms    27 ms  ae-14-32767-ar03.newcastle.de.panjde.comcast.net [68.85.192.205]
      3    20 ms    26 ms    21 ms  he-5-10-0-0-cr01.ashburn.va.ibone.comcast.net [68.86.94.249]
      4    18 ms    34 ms    22 ms  he-0-13-0-0-pe07.ashburn.va.ibone.comcast.net [68.86.86.50]
      5    19 ms    18 ms    18 ms  50-248-116-190-static.hfc.comcastbusiness.net [50.248.116.190]
      6    35 ms    18 ms    18 ms  209.85.249.217
      7    21 ms    19 ms    19 ms  72.14.233.93
      8     *        *        *     Request timed out.
      9     *     2509 ms   677 ms  iad23s25-in-f5.1e100.net [173.194.121.5]
    Trace complete.
    C:\Windows\system32>tracert 74.125.239.34
    Tracing route to nuq04s19-in-f2.1e100.net [74.125.239.34]
    over a maximum of 30 hops:
      1    54 ms    23 ms    12 ms  xfwsr12-nwca-01.sys.comcast.net [68.85.15.244]
      2    22 ms    19 ms    17 ms  ae-14-32767-ar03.newcastle.de.panjde.comcast.net[68.85.192.205]
      3    19 ms    19 ms    18 ms  he-5-14-0-0-cr01.ashburn.va.ibone.comcast.net [68.86.166.121]
      4    18 ms    18 ms    18 ms  he-0-15-0-0-cr01.350ecermak.il.ibone.comcast.net[68.86.85.74]
      5    19 ms    18 ms    22 ms  50-248-116-190-static.hfc.comcastbusiness.net [50.248.116.190]
      6    22 ms    36 ms    19 ms  209.85.249.217
      7    26 ms    23 ms    25 ms  209.85.143.112
      8     *        *        *     Request timed out.
      9     *        *        *     Request timed out.
     10   972 ms     *        *     216.239.51.97
     11   148 ms    97 ms    95 ms  216.239.46.241
     12   324 ms   130 ms   432 ms  209.85.246.252
     13     *        *        *     Request timed out.
     14  1403 ms   101 ms   126 ms  nuq04s19-in-f2.1e100.net [74.125.239.34]
    Trace complete.
    C:\Windows\system32>tracert www.hotmail.com
    Tracing route to dispatch.kahuna.glbdns2.microsoft.com [65.55.157.144]
    over a maximum of 30 hops:
      1    13 ms    13 ms    25 ms  xfwsr12-nwca-01.sys.comcast.net [68.85.15.244]
      2    13 ms    15 ms    13 ms  ae-14-32767-ar03.newcastle.de.panjde.comcast.net[68.85.192.205]
      3    20 ms    19 ms    17 ms  he-5-13-0-0-cr01.ashburn.va.ibone.comcast.net [68.86.95.145]
      4    17 ms    20 ms    20 ms  he-0-13-0-0-pe07.ashburn.va.ibone.comcast.net [68.86.86.50]
      5    17 ms    18 ms    38 ms  as8075-2-c.ashburn.va.ibone.comcast.net [173.167.58.82]
      6    18 ms    18 ms    36 ms  ae4-0.ash-96cbe-1a.ntwk.msn.net [207.46.36.172]
      7     *        *        *     Request timed out.
      8     *     2191 ms    35 ms  ae0-0.atb-96cbe-1b.ntwk.msn.net [191.234.81.167]
      9     *        *        *     Request timed out.
     10     *        *        *     Request timed out.
     11    86 ms    84 ms    84 ms  ae4-0.lax-96cbe-1a.ntwk.msn.net [191.234.83.150]
     12    86 ms    86 ms    87 ms  ae9-0.by2-96c-1a.ntwk.msn.net [207.46.42.176]
     13     *        *        *     Request timed out.
     14     *        *        *     Request timed out.
     15     *        *        *     Request timed out.
     16     *        *        *     Request timed out.
     17    87 ms    84 ms    85 ms  origin.by173w.bay173.mail.live.com [65.55.157.144]
    Trace complete.
    C:\Users\C.Cunningham>tracert 207.46.11.236
    Tracing route to origin.by181w.bay181.mail.live.com [207.46.11.236]
    over a maximum of 30 hops:
      1    16 ms    16 ms    19 ms  xfwsr12-nwca-01.sys.comcast.net [68.85.15.244]
      2    18 ms    13 ms    13 ms  ae-14-32767-ar03.newcastle.de.panjde.comcast.net[68.85.192.205]
      3    21 ms    19 ms    21 ms  he-5-12-0-0-cr01.ashburn.va.ibone.comcast.net [68.86.95.141]
      4    18 ms    21 ms    18 ms  he-0-13-0-0-pe07.ashburn.va.ibone.comcast.net [68.86.86.50]
      5     *        *        *     Request timed out.
      6     *        *        *     Request timed out.
      7     *        *        *     Request timed out.
      8     *        *        *     Request timed out.
      9     *        *        *     Request timed out.
     10     *        *        *     Request timed out.
     11     *        *        *     Request timed out.
     12     *        *        *     Request timed out.
     13     *        *        *     Request timed out.
     14     *        *        *     Request timed out.
     15     *        *        *     Request timed out.
     16     *        *        *     Request timed out.
     17     *        *        *     Request timed out.
     18     *        *        *     Request timed out.
     19     *        *        *     Request timed out.
     20     *        *        *     Request timed out.
     21     *        *        *     Request timed out.
     22     *        *        *     Request timed out.
     23     *        *        *     Request timed out.
     24     *        *        *     Request timed out.
     25     *        *        *     Request timed out.
     26     *        *        *     Request timed out.
     27     *        *        *     Request timed out.
     28     *        *        *     Request timed out.
     29     *        *        *     Request timed out.
     30     *        *        *     Request timed out.
    Trace complete.
    Results of Intel WiFi Manual Diagnostics
    Test Name                 Test Result   Test Summary
    Hardware Test           Passed        Wireless Hardware is enabled
    Driver Test                 Passed        Diver is loaded. NETwNs64 Version 13.3.0.24
    Radio Test                  Passed       Radio is ON
    Scan Test                   Passed       There are 25 Networks available to connect
    Association Test        Passed       Associated
    Authentication Test   Passed       Authenticated
    Signal Test                Passed       Signal Quality: Poor
    Ping Test                  Failed          No Reponse: default gateway, DHCP server
    I hope this information is enough to get to the root of this problem once and for all.  Please let me know if you any other information such as event logs or statistics. 
    Thanks in advance.

    Results of Intel WiFi Event View Log (I deleted some lines since there were basically repeats of the same messages)
    #Event  Source  Time     
    Error Severity    Domain               
    User      Description
    45           EvtEngine           
    3/8/2015 20:40  Success               
    Connection         SYSTEM               
    iAMT - Failed to read Windows Events Log
    46           S24EvMon          
    3/8/2015 20:41  Information       
    AppDriver          
    SYSTEM               
    Getting List of adapters.
    47           S24EvMon          
    3/8/2015 20:41  Information       
    AppDriver          
    SYSTEM               
    Intel adapter(s) found.
    156         S24EvMon          
    3/8/2015 20:47  Information       
    Driver    SYSTEM               
    AddToExclude 06:1d:d5:d5:34:f0 xfinitywifi 6 WEV_EXCLUDE_LIST_REASON_802_11_AUTH_FAILURE
    157         S24EvMon          
    3/8/2015 20:47  Information       
    Driver    SYSTEM               
    ATC 06:1d:cf:2a:44:c0 xfinitywifi 6 RSSI=-88
    158         S24EvMon          
    3/8/2015 20:47  Error     
    Driver    SYSTEM               
    AssociationFailure 06:1d:cf:2a:44:c0 xfinitywifi 6 CNCT_GENERAL_FAILURE
    159         S24EvMon          
    3/8/2015 20:47  Information       
    Driver    SYSTEM               
    AddToExclude 06:1d:cf:2a:44:c0 xfinitywifi 6 WEV_EXCLUDE_LIST_REASON_802_11_ASSOC_FAILURE
    160         S24EvMon          
    3/8/2015 20:47  Information       
    Driver    SYSTEM               
    ATC 06:1d:d5:d5:34:f0 xfinitywifi 6 RSSI=-79
    161         S24EvMon          
    3/8/2015 20:47  Success               
    Driver    SYSTEM               
    RxAuthSuccess 06:1d:d5:d5:34:f0 6
    162         S24EvMon          
    3/8/2015 20:47  Success               
    Driver    SYSTEM               
    RxAssocResp 06:1d:d5:d5:34:f0 6 -77
    163         S24EvMon          
    3/8/2015 20:49  Information       
    TCP/IP  SYSTEM               
    VoIP: Got link down - deleting flows .
    164         S24EvMon          
    3/8/2015 20:49  Information       
    Driver    SYSTEM               
    ATC 06:1d:d4:eb:87:00 xfinitywifi 11 RSSI=-88
    165         S24EvMon          
    3/8/2015 20:49  Error     
    Driver    SYSTEM               
    AssociationFailure 06:1d:d4:eb:87:00 xfinitywifi 11 CNCT_GENERAL_FAILURE
    166         S24EvMon          
    3/8/2015 20:49  Information       
    Driver    SYSTEM               
    AddToExclude 06:1d:d4:eb:87:00 xfinitywifi 11 WEV_EXCLUDE_LIST_REASON_802_11_ASSOC_FAILURE
    167         S24EvMon          
    3/8/2015 20:49  Information       
    Driver    SYSTEM               
    ATC 06:1d:d4:eb:87:00 xfinitywifi 11 RSSI=-89
    168         S24EvMon          
    3/8/2015 20:49  Error     
    Driver    SYSTEM               
    AssociationFailure 06:1d:d4:eb:87:00 xfinitywifi 11 CNCT_GENERAL_FAILURE
    169         S24EvMon          
    3/8/2015 20:49  Information       
    Driver    SYSTEM               
    AddToExclude 06:1d:d4:eb:87:00 xfinitywifi 11 WEV_EXCLUDE_LIST_REASON_802_11_ASSOC_FAILURE
    170         S24EvMon          
    3/8/2015 20:49  Information       
    Driver    SYSTEM               
    ATC 06:1d:d4:eb:87:00 xfinitywifi 11 RSSI=-90
    171         S24EvMon          
    3/8/2015 20:49  Error     
    Driver    SYSTEM               
    AssociationFailure 06:1d:d4:eb:87:00 xfinitywifi 11 CNCT_GENERAL_FAILURE
    172         S24EvMon          
    3/8/2015 20:49  Information       
    Driver    SYSTEM               
    ATC 06:1d:d5:d5:34:f0 xfinitywifi 6 RSSI=-82
    173         S24EvMon          
    3/8/2015 20:49  Success               
    Driver    SYSTEM               
    RxAuthSuccess 06:1d:d5:d5:34:f0 6
    174         S24EvMon          
    3/8/2015 20:49  Success               
    Driver    SYSTEM               
    RxAssocResp 06:1d:d5:d5:34:f0 6 -81
    175         S24EvMon          
    3/8/2015 20:50  Information       
    Driver    SYSTEM               
    AddToExclude 06:1d:d5:d5:34:f0 xfinitywifi 6 WEV_EXCLUDE_LIST_REASON_802_11_AUTH_FAILURE
    176         S24EvMon          
    3/8/2015 20:50  Information       
    Driver    SYSTEM               
    ATC 06:1d:d5:d5:34:f0 xfinitywifi 6 RSSI=-79
    177         S24EvMon          
    3/8/2015 20:50  Success               
    Driver    SYSTEM               
    RxAuthSuccess 06:1d:d5:d5:34:f0 6
    178         S24EvMon          
    3/8/2015 20:50  Success               
    Driver    SYSTEM               
    RxAssocResp 06:1d:d5:d5:34:f0 6 -80
    179         S24EvMon          
    3/8/2015 21:03  Information       
    Driver    SYSTEM               
    RoamTrigger 06:1d:d5:d5:34:f0 xfinitywifi 6 RSSI=-81 MisBcn=8 RSSITh=-85 Roam Other Reason
    186         S24EvMon          
    3/8/2015 21:21  Information       
    General               
    SYSTEM               
    DeviceIoCtrlS24NDIS: (2) Failed to send OID 0xff100055 to driver. Error - 31
    187        
    S24EvMon          
    3/8/2015 21:21  Information       
    General               
    SYSTEM               
    DeviceIoCtrlS24NDIS - Dot11ExtNicSpecificExtension failed (31)

  • 'screen' no longer works in Yosemite - Resource Busy

    For many years I have used USB serial devices to connect to external machines, using commands like
    $ screen /dev/tty.usbserial-FTFZXCV 115200
    Since the upgrade to Yosemite, this no longer works.  The screen commands give an error
    'screen cannot open /dev/tty.usbserial-FTFZXCV for R/W - Resource Busy'
    There was a similar question from April but that talked about using lost to identify an orphan session. 
    $ lsof | grep usbserial   # no output
    $ pgrep screen # no output.
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    SONY

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              resource scratchdisk "/clu01/datastage/Ascential/DataStage/Scratch" {pools ""}
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              fastname "machine_name"
              pools ""
              resource disk "/clu01/datastage/Ascential/DataStage/Datasets" {pools ""}
              resource scratchdisk "/clu01/datastage/Ascential/DataStage/Scratch" {pools ""}
         node "node3"
              fastname "machine_name"
              pools ""
              resource disk "/clu01/datastage/Ascential/DataStage/Datasets" {pools ""}
              resource scratchdisk "/clu01/datastage/Ascential/DataStage/Scratch" {pools ""}
         node "node4"
              fastname "machine_name"
              pools ""
              resource disk "/clu01/datastage/Ascential/DataStage/Datasets" {pools ""}
              resource scratchdisk "/clu01/datastage/Ascential/DataStage/Scratch" {pools ""}
          node "node5"
              fastname "machine_name"
              pools ""
              resource disk "/clu01/datastage/Ascential/DataStage/Datasets" {pools ""}
              resource scratchdisk "/clu01/datastage/Ascential/DataStage/Scratch" {pools ""}
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              pools ""
              resource disk "/clu01/datastage/Ascential/DataStage/Datasets" {pools ""}
              resource scratchdisk "/clu01/datastage/Ascential/DataStage/Scratch" {pools ""}
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              resource disk "/clu01/datastage/Ascential/DataStage/Datasets" {pools ""}
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              resource disk "/clu01/datastage/Ascential/DataStage/Datasets" {pools ""}
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       Timestamp: 2009-06-02 23:03:20
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