I wrote:
> This has at the very least dramatically reduced the failure
> probability. (Having kept a systematic record I now see that I
> have had 3 out of 3 successful hibernate/resume cycles with these
> modules being unloaded, compared to 1 out of 3 today without.
> I will report again if I get another failure.)
I just got another oops, which doesn't seem to be obviously related,
but I don't think I should file another bug report.
This oops occurred after I had:
* switched from wifi to wired ethernet (^C on dhclient; ifconfig
wlan0 down; dhclient -d eth0)
* ran an apt-get
I see the battery state is mentioned in the trace. The machine has
been running on battery for some hours now. So I have included the
output of
egrep . /sys/devices/LNXSYSTM\:00/LNXSYBUS\:00/PNP0C0A\:00/power_supply/BAT0/*
taken some minutes after the oops.
Ian.
Apr 21 18:41:01 zealot kernel: [ 1364.868162] wlan0: deauthenticating from
00:09:5b:74:60:fe by local choice (reason=3)
Apr 21 18:41:03 zealot kernel: [ 1366.868128] eth0: no IPv6 routers present
Apr 21 18:43:42 zealot kernel: [ 1525.350623] ------------[ cut here
]------------
Apr 21 18:43:42 zealot kernel: [ 1525.350639] kernel BUG at
/build/buildd-linux-2.6_2.6.32-31-i386-qYaaJr/linux-2.6-2.6.32/debian/build/source_i386_none/fs/locks.c:174!
Apr 21 18:43:42 zealot kernel: [ 1525.350652] invalid opcode: 0000 [#1] SMP
Apr 21 18:43:42 zealot kernel: [ 1525.350664] last sysfs file:
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/voltage_now
Apr 21 18:43:42 zealot kernel: [ 1525.350673] Modules linked in: uhci_hcd
ehci_hcd tg3 dell_laptop dcdbas cdc_wdm brcm80211(C) mac80211 cfg80211
ppp_async crc_ccitt ppp_generic slhc parport_pc ppdev lp parport sco bridge stp
bnep l2cap crc16 bluetooth acpi_cpufreq cpufreq_conservative cpufreq_stats
cpufreq_powersave cpufreq_userspace binfmt_misc uinput fuse ext2 loop
snd_hda_codec_realtek joydev arc4 snd_hda_intel ecb snd_hda_codec snd_hwdep
snd_pcm i915 snd_seq snd_timer drm_kms_helper psmouse snd_seq_device uvcvideo
drm wmi videodev v4l1_compat pcspkr serio_raw i2c_algo_bit cdc_acm snd video
i2c_i801 battery button soundcore i2c_core evdev snd_page_alloc processor
output rfkill ac ext3 jbd mbcache sha256_generic aes_i586 aes_generic cbc
dm_crypt dm_mod sd_mod crc_t10dif ahci broadcom libata thermal scsi_mod usbcore
nls_base libphy thermal_sys [last unloaded: cfg80211]
Apr 21 18:43:42 zealot kernel: [ 1525.350896]
Apr 21 18:43:42 zealot kernel: [ 1525.350908] Pid: 3194, comm: dpkg Tainted: G
C (2.6.32-5-686 #1) Latitude 2120
Apr 21 18:43:42 zealot kernel: [ 1525.350920] EIP: 0060:[<c10dc757>] EFLAGS:
00210213 CPU: 1
Apr 21 18:43:42 zealot kernel: [ 1525.350936] EIP is at
locks_free_lock+0x17/0x3b
Apr 21 18:43:42 zealot kernel: [ 1525.350945] EAX: f6fffd0c EBX: f6fffd00 ECX:
f6fffd68 EDX: f60a3300
Apr 21 18:43:42 zealot kernel: [ 1525.350955] ESI: f6fffd68 EDI: f59f3944 EBP:
00000000 ESP: f5e65ed4
Apr 21 18:43:42 zealot kernel: [ 1525.350964] DS: 007b ES: 007b FS: 00d8 GS:
00e0 SS: 0068
Apr 21 18:43:42 zealot kernel: [ 1525.350976] Process dpkg (pid: 3194,
ti=f5e64000 task=f60a3300 task.ti=f5e64000)
Apr 21 18:43:42 zealot kernel: [ 1525.350984] Stack:
Apr 21 18:43:42 zealot kernel: [ 1525.350989] 00000000 c10dcf18 f60a3300
00008242 f6d51000 ffffff9c 00000000 f6ffff08
Apr 21 18:43:42 zealot kernel: [ 1525.351012] <0> 01000200 00000000 f6fffd00
00000000 00000000 f59f3944 00000004 f6ffff08
Apr 21 18:43:42 zealot kernel: [ 1525.351035] <0> f6ffff2c f6ffff08 f6058880
c10dd032 00000000 00000000 f60a3300 0000000d
Apr 21 18:43:42 zealot kernel: [ 1525.351060] Call Trace:
Apr 21 18:43:42 zealot kernel: [ 1525.351074] [<c10dcf18>] ?
__posix_lock_file+0x5a2/0x5ac
Apr 21 18:43:42 zealot kernel: [ 1525.351089] [<c10dd032>] ?
do_lock_file_wait+0x3c/0xd7
Apr 21 18:43:42 zealot kernel: [ 1525.351101] [<c10dd0f2>] ?
fcntl_setlk64+0x25/0x16c
Apr 21 18:43:42 zealot kernel: [ 1525.351114] [<c10dd1c3>] ?
fcntl_setlk64+0xf6/0x16c
Apr 21 18:43:42 zealot kernel: [ 1525.351128] [<c10bd351>] ?
sys_fcntl64+0x58/0x79
Apr 21 18:43:42 zealot kernel: [ 1525.351143] [<c10030fb>] ?
sysenter_do_call+0x12/0x28
Apr 21 18:43:42 zealot kernel: [ 1525.351150] Code: 00 00 e8 2c 81 f4 ff 58 8b
77 0c 39 ee 75 a1 5b 5e 5f 5d c3 53 89 c3 8d 40 28 39 43 28 74 04 0f 0b eb fe
8d 43 0c 39 43 0c 74 04 <0f> 0b eb fe 8d 43 04 39 43 04 74 04 0f 0b eb fe 89 d8
e8 a6 f6
Apr 21 18:43:42 zealot kernel: [ 1525.351277] EIP: [<c10dc757>]
locks_free_lock+0x17/0x3b SS:ESP 0068:f5e65ed4
Apr 21 18:43:42 zealot kernel: [ 1525.351295] ---[ end trace 26383caff06afe2a
]---
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/alarm:0
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/charge_full:4997000
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/charge_full_design:5200000
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/charge_now:2928000
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/current_now:804000
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/manufacturer:SMP
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/model_name:DELL
4H63612
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/present:1
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/serial_number:1248
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/status:Discharging
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/technology:Li-ion
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/type:Battery
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/uevent:POWER_SUPPLY_NAME=BAT0
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/uevent:POWER_SUPPLY_TYPE=Battery
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/uevent:POWER_SUPPLY_STATUS=Discharging
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/uevent:POWER_SUPPLY_PRESENT=1
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/uevent:POWER_SUPPLY_TECHNOLOGY=Li-ion
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/uevent:POWER_SUPPLY_VOLTAGE_MIN_DESIGN=11100000
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/uevent:POWER_SUPPLY_VOLTAGE_NOW=11492000
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/uevent:POWER_SUPPLY_CURRENT_NOW=804000
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/uevent:POWER_SUPPLY_CHARGE_FULL_DESIGN=5200000
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/uevent:POWER_SUPPLY_CHARGE_FULL=4997000
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/uevent:POWER_SUPPLY_CHARGE_NOW=2928000
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/uevent:POWER_SUPPLY_MODEL_NAME=DELL
4H63612
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/uevent:POWER_SUPPLY_MANUFACTURER=SMP
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/uevent:POWER_SUPPLY_SERIAL_NUMBER=1248
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/voltage_min_design:11100000
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0/voltage_now:11492000
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