Hi,
I just encountered the following oops and general protection fault
trying to suspend/resume my laptop. I've got a Dell D820 laptop with a 2
GHz Core 2 Duo CPU. It usually suspends/resumes fine but not always. The
relevant errors are below but the full dmesg log is at
http://people.xiph.org/~jm/suspend_resume_oops.txt and my config is in
http://people.xiph.org/~jm/config-2.6.20-rc5.txt
This happens when I'm running 2.6.20-rc5. The previous kernel version I
was using is 2.6.19-rc6 and was much more broken (second attempt
*always* failed), so it's probably not a regression.
Cheers,
Jean-Marc
P.S. This is the same laptop I had at LCA for which Linus told me to
disable preemption and try the newest rc version.
[10746.449071] Unable to handle kernel NULL pointer dereference at
0000000000000038 RIP:
[10746.449080] [<ffffffff8022b9c8>] iput+0x18/0x80
[10746.449092] PGD 3a607067 PUD 27b20067 PMD 0
[10746.449099] Oops: 0000 [1] SMP
[10746.449104] CPU 0
[10746.449107] Modules linked in: psmouse battery ac thermal fan button
ipw3945 ieee80211 tg3 arc4 ecb blkcipher ieee80211_crypt_wep
ieee80211_crypt binfmt_misc rfcomm l2cap bluetooth i915 drm
speedstep_centrino cpufreq_userspace cpufreq_powersave cpufreq_ondemand
cpufreq_stats freq_table cpufreq_conservative video sbs i2c_ec dock
asus_acpi backlight container ipv6 fuse sbp2 af_packet parport_pc lp
parport sg sr_mod cdrom snd_hda_intel snd_hda_codec tsdev snd_pcm_oss
snd_mixer_oss pcmcia snd_pcm snd_timer ata_generic snd shpchp
pci_hotplug soundcore snd_page_alloc serio_raw yenta_socket
rsrc_nonstatic pcmcia_core pcspkr evdev ext3 jbd mbcache ohci1394
ehci_hcd ieee1394 ide_generic uhci_hcd usbcore generic sd_mod processor
[10746.449190] Pid: 218, comm: kswapd0 Not tainted 2.6.20-rc5-x86-64 #1
[10746.449196] RIP: 0010:[<ffffffff8022b9c8>] [<ffffffff8022b9c8>]
iput+0x18/0x80
[10746.449206] RSP: 0000:ffff810037f2dd50 EFLAGS: 00010283
[10746.449212] RAX: 0000000000000000 RBX: ffff81000003fcf0 RCX:
ffff81000003fd20
[10746.449219] RDX: 0000000000000001 RSI: 0000000000000286 RDI:
ffff81000003fcf0
[10746.449225] RBP: 0000000000000042 R08: 0000000000000000 R09:
0000000000000000
[10746.449232] R10: 28f5c28f5c28f5c3 R11: ffffffff8023ae90 R12:
0000000000000000
[10746.449239] R13: ffff810075721c70 R14: ffffffff805fa940 R15:
0000000000000000
[10746.449246] FS: 0000000000000000(0000) GS:ffffffff8058e000(0000)
knlGS:0000000000000000
[10746.449253] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[10746.449259] CR2: 0000000000000038 CR3: 000000001207f000 CR4:
00000000000006e0
[10746.449265] Process kswapd0 (pid: 218, threadinfo ffff810037f2c000,
task ffff810037a1b760)
[10746.449269] Stack: ffff8100001ce2f0 ffffffff802ddaf8
ffff8100001ce3c0 ffff8100001ce2f0
[10746.449280] 0000000000000042 ffffffff8022f645 ffff810037f2dd80
000000000001cb60
[10746.449288] 0000000000000090 ffff81007daa0e00 00000000000000d0
ffffffff802ddb49
[10746.449296] Call Trace:
[10746.449305] [<ffffffff802ddaf8>] prune_one_dentry+0x68/0xa0
[10746.449314] [<ffffffff8022f645>] prune_dcache+0x145/0x1e0
[10746.449323] [<ffffffff802ddb49>] shrink_dcache_memory+0x19/0x50
[10746.449331] [<ffffffff802418a7>] shrink_slab+0x117/0x190
[10746.449342] [<ffffffff8025a392>] kswapd+0x382/0x4e0
[10746.449356] [<ffffffff802a13b0>] autoremove_wake_function+0x0/0x30
[10746.449370] [<ffffffff8025a010>] kswapd+0x0/0x4e0
[10746.449376] [<ffffffff802a11d0>] keventd_create_kthread+0x0/0x90
[10746.449383] [<ffffffff802335a9>] kthread+0xd9/0x120
[10746.449394] [<ffffffff80260ec8>] child_rip+0xa/0x12
[10746.449401] [<ffffffff802a11d0>] keventd_create_kthread+0x0/0x90
[10746.449414] [<ffffffff802334d0>] kthread+0x0/0x120
[10746.449421] [<ffffffff80260ebe>] child_rip+0x0/0x12
[10746.449426]
[10746.449429]
[10746.449430] Code: 48 8b 40 38 75 04 0f 0b eb fe 48 85 c0 74 0b 48 8b
40 28 48
[10746.449449] RIP [<ffffffff8022b9c8>] iput+0x18/0x80
[10746.449456] RSP <ffff810037f2dd50>
[10746.449460] CR2: 0000000000000038
[10746.449463] ACPI Exception (pci_bind-0299): AE_NOT_FOUND, Unable to
get data from device DCKS [20060707]
and later:
[ 3.668009] SMP alternatives: switching to SMP code
[ 3.668168] Booting processor 1/2 APIC 0x1
[ 4.149691] Initializing CPU#1
[ 4.229595] Calibrating delay using timer specific routine.. 3990.32
BogoMIPS (lpj=7980654)
[ 4.229602] CPU: L1 I cache: 32K, L1 D cache: 32K
[ 4.229604] CPU: L2 cache: 4096K
[ 4.229606] CPU 1/1 -> Node 0
[ 4.229608] CPU: Physical Processor ID: 0
[ 4.229609] CPU: Processor Core ID: 1
[ 4.230107] Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz stepping 06
[ 4.233607] CPU 1: Syncing TSC to CPU 0.
[ 3.762970] CPU 1: synchronized TSC with CPU 0 (last diff 0 cycles,
maxerr 960 cycles)
[ 3.764689] general protection fault: 0000 [2] SMP
[ 3.764963] CPU 1
[ 3.764983] Modules linked in: psmouse battery ac thermal fan button
arc4 ecb blkcipher ieee80211_crypt_wep ieee80211_crypt binfmt_misc
rfcomm l2cap bluetooth i915 drm speedstep_centrino cpufreq_userspace
cpufreq_powersave cpufreq_ondemand cpufreq_stats freq_table
cpufreq_conservative video sbs i2c_ec dock asus_acpi backlight container
ipv6 fuse sbp2 af_packet parport_pc lp parport sg sr_mod cdrom
snd_hda_intel snd_hda_codec tsdev snd_pcm_oss snd_mixer_oss pcmcia
snd_pcm snd_timer ata_generic snd shpchp pci_hotplug soundcore
snd_page_alloc serio_raw yenta_socket rsrc_nonstatic pcmcia_core pcspkr
evdev ext3 jbd mbcache ohci1394 ehci_hcd ieee1394 ide_generic uhci_hcd
usbcore generic sd_mod processor
[ 3.765304] Pid: 7824, comm: sleep.sh Not tainted 2.6.20-rc5-x86-64 #1
[ 3.765330] RIP: 0010:[<ffffffff80289c45>] [<ffffffff80289c45>]
task_rq_lock+0x35/0x90
[ 3.765379] RSP: 0018:ffff81001d291d28 EFLAGS: 00010086
[ 3.765403] RAX: 6e696c7761726320 RBX: ffffffff805f88a0 RCX:
0000000000000000
[ 3.765431] RDX: 0000000000000000 RSI: ffff81001d291db0 RDI:
ffff810037a1b760
[ 3.765460] RBP: ffff81001d291d48 R08: 0000000000000000 R09:
0000000000000000
[ 3.765488] R10: 0000000000000001 R11: 0000000000000000 R12:
ffffffff805f88a0
[ 3.765516] R13: ffff810037a1b760 R14: ffff81001d291db0 R15:
ffff81000a9e3e80
[ 3.765546] FS: 00002b1bcd567ae0(0000) GS:ffff810037ad1cc0(0000)
knlGS:0000000000000000
[ 3.765589] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 3.765615] CR2: 0000000000000000 CR3: 000000001d4d0000 CR4:
00000000000006a0
[ 3.765645] Process sleep.sh (pid: 7824, threadinfo ffff81001d290000,
task ffff8100661cf080)
[ 3.765689] Stack: ffff810037a1b760 0000000000000002
0000000000000003 0000000000000003
[ 3.765739] ffff81001d291dd8 ffffffff8028c454 0000000000000001
0000000000000003
[ 3.765786] 0000000000000000 0000000000000002 ffffffff8058e4c0
0000000000000003
[ 3.765822] Call Trace:
[ 3.765861] [<ffffffff8028c454>] set_cpus_allowed+0x24/0xc0
[ 3.765890] [<ffffffff8033cf3b>] kobject_register+0x3b/0x50
[ 3.765919] [<ffffffff80292850>] cpu_callback+0x50/0x70
[ 3.765949] [<ffffffff80269406>] notifier_call_chain+0x26/0x40
[ 3.765980] [<ffffffff802a704c>] _cpu_up+0xbc/0xf0
[ 3.766005] [<ffffffff802a70b2>] cpu_up+0x32/0x60
[ 3.766030] [<ffffffff802a712b>] enable_nonboot_cpus+0x4b/0xa0
[ 3.766057] [<ffffffff802aba8b>] enter_state+0x15b/0x1b0
[ 3.766083] [<ffffffff802abb5b>] state_store+0x7b/0xb0
[ 3.766112] [<ffffffff80306c09>] sysfs_write_file+0xd9/0x120
[ 3.766143] [<ffffffff8021653e>] vfs_write+0xde/0x1a0
[ 3.766169] [<ffffffff80217073>] sys_write+0x53/0x90
[ 3.766197] [<ffffffff8026011e>] system_call+0x7e/0x83
[ 3.766228]
[ 3.766247]
[ 3.766248] Code: 8b 40 18 48 8b 04 c5 80 f2 59 80 48 03 58 08 48 89
df e8 54
[ 3.766331] RIP [<ffffffff80289c45>] task_rq_lock+0x35/0x90
[ 3.766359] RSP <ffff81001d291d28>
[ 3.766650] <6>ata1.00: configured for UDMA/133
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