Public bug reported:
Binary package hint: linux-source-2.6.20
Suspending works only once on this NC6400 notebook.
By default the first time doesn't work either, given that the i8042
driver must be compiled as a module, not in kernel, otherwise the
keyboard won't work on resume (without echo -n reconnect >
/sys/bus/serio/devices/serio0/drvctl) and psmouse must be unloaded
before suspending and reloaded on resume.
But, on the second time calling suspend I get this oops message about some NULL
pointer:
kernel: [ 656.861882] Disabling non-boot CPUs ...
kernel: [ 657.002090] CPU 1 is now offline
kernel: [ 657.002335] SMP alternatives: switching to UP code
kernel: [ 657.002920] Unable to handle kernel NULL pointer dereference at
0000000000000000 RIP:
kernel: [ 657.003217] [__drain_pages+43/112] __drain_pages+0x2b/0x70
kernel: [ 657.012971] PGD 56798067 PUD 552a2067 PMD 0
kernel: [ 657.022582] Oops: 0000 [1] SMP
kernel: [ 657.032183] CPU 0
kernel: [ 657.041686] Modules linked in: isofs udf battery ac thermal fan
button arc4 ecb blkcipher ieee80211_crypt_wep vmnet(P) vmmon(P) binfmt_misc
rfcomm l2cap i915 drm ipv6 acpi_cpufreq cpufreq_userspace cpufreq_stats
cpufreq_powersave cpufreq_ondemand freq_table cpufreq_conservative video sbs
i2c_ec i2c_core dock container asus_acpi backlight nls_utf8 ntfs fuse lp
snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy
snd_seq_oss ide_cd snd_seq_midi snd_rawmidi snd_seq_midi_event joydev cdrom
snd_seq snd_timer af_packet tsdev snd_seq_device pcmcia ata_generic
tpm_infineon tpm hci_usb snd tpm_bios ieee80211_crypt bluetooth tifm_7xx1
iTCO_wdt soundcore ata_piix yenta_socket rsrc_nonstatic pcmcia_core tifm_core
iTCO_vendor_support shpchp pci_hotplug parport_pc parport serio_raw intel_agp
snd_page_alloc pcspkr evdev ext3 jbd mbcache sg sd_mod piix generic ahci libata
scsi_mod usbcore processor vesafb capability commoncap vga16fb cfbcopyarea
vgastate cfbimgblt cfbfil
kernel: rect fbcon tileblit font bitblit softcursor
kernel: [ 657.195347] Pid: 10469, comm: sleep.sh Tainted: P
2.6.20-5-generic #2
kernel: [ 657.206642] RIP: 0010:[__drain_pages+43/112] [__drain_pages+43/112]
__drain_pages+0x2b/0x70
kernel: [ 657.228165] RSP: 0018:ffff810055311dc8 EFLAGS: 00010046
kernel: [ 657.238806] RAX: ffff81000000c700 RBX: 0000000000000046 RCX:
ffff81000000c400
kernel: [ 657.249747] RDX: ffff81000000c000 RSI: ffff81007f5997d0 RDI:
ffff81000000c380
kernel: [ 657.260657] RBP: 0000000000000000 R08: 0000000000000000 R09:
0000000000000002
kernel: [ 657.271500] R10: 000000000000042d R11: 0000000000000164 R12:
ffff81000000c700
kernel: [ 657.282564] R13: 0000000000000000 R14: 0000000000000001 R15:
ffff8100558fb0c0
kernel: [ 657.293854] FS: 00002ae2a49c4b00(0000) GS:ffffffff80541000(0000)
knlGS:0000000000000000
kernel: [ 657.316323] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
kernel: [ 657.327417] CR2: 0000000000000000 CR3: 0000000056ac8000 CR4:
00000000000006e0
kernel: [ 657.338788] Process sleep.sh (pid: 10469, threadinfo
ffff810055310000, task ffff81006ccb9860)
kernel: [ 657.361187] Stack: 0000000000000001 0000000000000001
0000000000000007 ffff81005621b140
kernel: [ 657.384339] 0000000000000003 ffffffff802c1a22 ffffffff80512c10
ffffffff8026a496
kernel: [ 657.407572] 0000000000000001 0000000000000001 0000000000000000
ffffffff802a9094
kernel: [ 657.419531] Call Trace:
kernel: [ 657.441744] [page_alloc_cpu_notify+18/48]
page_alloc_cpu_notify+0x12/0x30
kernel: [ 657.452640] [notifier_call_chain+38/64]
notifier_call_chain+0x26/0x40
kernel: [ 657.463593] [_cpu_down+356/544] _cpu_down+0x164/0x220
kernel: [ 657.474447] [disable_nonboot_cpus+140/288]
disable_nonboot_cpus+0x8c/0x120
kernel: [ 657.485156] [enter_state+133/432] enter_state+0x85/0x1b0
kernel: [ 657.495719] [state_store+123/176] state_store+0x7b/0xb0
kernel: [ 657.506304] [sysfs_write_file+218/304] sysfs_write_file+0xda/0x130
kernel: [ 657.516702] [vfs_write+222/416] vfs_write+0xde/0x1a0
kernel: [ 657.527005] [sys_write+83/144] sys_write+0x53/0x90
kernel: [ 657.537061] [system_call+126/131] system_call+0x7e/0x83
kernel: [ 657.546930]
kernel: [ 657.556496]
kernel: [ 657.556497] Code: 8b 75 00 48 8d 55 10 31 c9 4c 89 e7 e8 44 fd ff ff
c7 45 00
kernel: [ 657.589559] RIP [__drain_pages+43/112] __drain_pages+0x2b/0x70
kernel: [ 657.600325] RSP <ffff810055311dc8>
kernel: [ 657.610937] CR2: 0000000000000000
I'm running Ubuntu Feisty with the following kernel (on core 2 duo T5600
laptop):
Linux synlap 2.6.20-5-generic #2 SMP Sat Jan 6 09:44:32 UTC 2007 x86_64
GNU/Linux
** Affects: linux-source-2.6.20 (Ubuntu)
Importance: Undecided
Status: Unconfirmed
--
Suspend to ram only working once, oops on second time
https://launchpad.net/bugs/81667
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