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Message #22200
[Bug 900146] Re: X windows resets thinkpad hotkeys when coming out of suspend
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/900146
Title:
X windows resets thinkpad hotkeys when coming out of suspend
Status in “linux” package in Ubuntu:
Expired
Bug description:
Steps to reproduce
1. Enable ThinkPad hotkeys with 'echo reset > /proc/acpi/ibm/hotkey'
2. 'cat /proc/acpi/ibm/hotkey' shows:
status: enabled
mask: 0x008dffff
commands: enable, disable, reset, <mask>
2. Suspend laptop with Fn+F4
3. Power up laptop again
4. 'cat /proc/acpi/ibm/hotkey' shows:
status: enabled
mask: 0x0000ffbf
commands: enable, disable, reset, <mask>
Enabling debugging on the thinkpad_acpi driver shows:
[ 2532.894191] thinkpad_acpi: procfs hotkey: PID 1045: set mask to 0x008dffff
[ 2537.807386] thinkpad_acpi: ACPI backlight control delay disabled
[ 2537.950624] thinkpad_acpi: volume_get_status_ec: status 0x07
[ 2538.118276] thinkpad_acpi: procfs: PID 2841: attempt to disable bluetooth
[ 2540.151146] thinkpad_acpi: procfs hotkey: PID 1045: set mask to 0x0000ffbf
PID 1045 in this case is:
/usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background none
An strace on 1045 shows the following:
20:48:53.106913 [b7834424] open("/proc/acpi/ibm/hotkey", O_RDWR) = 23
20:48:53.107000 [b7834424] fstat64(23, {st_dev=makedev(0, 3), st_ino=4026532245, st_mode=S_IFREG|0644, st_nlink=1, st_uid=0, st_gid=0, st_blksize=1024, st_blocks=0, st_size=0, st_atime=2011/11/28-20:48:53, st_mtime=2011/11/28-20:48:53, st_ctime=2011/11/28-20:48:53}) = 0
20:48:53.107108 [b7834424] mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7823000
20:48:53.107185 [b7834424] write(23, "0x8dffff\0\0", 10) = 10
20:48:53.108141 [b7834424] close(23) = 0
20:48:53.108220 [b7834424] munmap(0xb7823000, 4096) = 0
and
20:49:13.538004 [b7834424] open("/proc/acpi/ibm/hotkey", O_RDWR) = 24
20:49:13.538135 [b7834424] fstat64(24, {st_dev=makedev(0, 3), st_ino=4026532245, st_mode=S_IFREG|0644, st_nlink=1, st_uid=0, st_gid=0, st_blksize=1024, st_blocks=0, st_size=0, st_atime=2011/11/28-20:49:13, st_mtime=2011/11/28-20:49:13, st_ctime=2011/11/28-20:49:13}) = 0
20:49:13.538311 [b7834424] mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb4b8f000
20:49:13.538410 [b7834424] read(24, "status:\t\tenabled\nmask:\t\t0x008dffff\ncommands:\tenable, disable, reset, <mask>\n", 1024) = 76
20:49:13.538580 [b7834424] _llseek(24, -41, [35], SEEK_CUR) = 0
20:49:13.538689 [b7834424] write(24, "0xffbf\0", 7) = 7
20:49:13.540414 [b7834424] close(24) = 0
Instruction pointer b7834424 is listed in /proc/1045/maps as [vdso]. I'm not sure how to determine what that is.
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu4
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
Subdevices: 2/2
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: sethrandall 1657 F.... xfce4-volumed
sethrandall 3587 F.... pulseaudio
/dev/snd/controlC29: sethrandall 1657 F.... xfce4-volumed
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfe220000 irq 48'
Mixer name : 'Analog Devices AD1984'
Components : 'HDA:11d41984,17aa20bb,00100400'
Controls : 31
Simple ctrls : 19
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 7KHT24WW-1.08'
Mixer name : 'ThinkPad EC 7KHT24WW-1.08'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
DistroRelease: Ubuntu 11.10
EcryptfsInUse: Yes
InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
MachineType: LENOVO 6459CTO
NonfreeKernelModules: nvidia
Package: linux (not installed)
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-13-generic-pae root=UUID=1a22e902-645d-45bb-b612-c4fdd39eb788 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.0.0-13.22-generic-pae 3.0.6
RelatedPackageVersions:
linux-restricted-modules-3.0.0-13-generic-pae N/A
linux-backports-modules-3.0.0-13-generic-pae N/A
linux-firmware 1.60
Tags: oneiric
Uname: Linux 3.0.0-13-generic-pae i686
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin audio cdrom dialout disk floppy fuse lpadmin netdev plugdev sambashare scanner vboxusers video
WifiSyslog:
Dec 5 16:46:46 Drifter wpa_supplicant[1016]: WPA: Group rekeying completed with 00:24:a5:b3:e6:7c [GTK=TKIP]
Dec 5 16:47:13 Drifter kernel: [ 6095.622280] thinkpad_acpi: volume_get_status_ec: status 0x07
Dec 5 16:47:13 Drifter kernel: [ 6095.634230] thinkpad_acpi: volume_get_status_ec: status 0x07
dmi.bios.date: 04/08/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 7LETC7WW (2.27 )
dmi.board.name: 6459CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7LETC7WW(2.27):bd04/08/2010:svnLENOVO:pn6459CTO:pvrThinkPadT61:rvnLENOVO:rn6459CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 6459CTO
dmi.product.version: ThinkPad T61
dmi.sys.vendor: LENOVO
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