(cc linux-acpi) On Tue, 13 Jan 2009 13:30:56 +0100 Martin Michlmayr <tbm@xxxxxxxxxx> wrote: > * Frans Pop <elendil@xxxxxxxxx> [2009-01-12 13:56]: > > I got the following series of errors while closing the lid of my notebook. > > The end result was a frozen system that needed a hard power off. > ... > > System is HP 2510p notebook running 2.6.28 (x86_64, Debian amd64/lenny) > > with a few additional patches on top. > > This came up on lkml and elsewhere before. It's probably a BIOS bug. > You can work around it with: > > echo 7 > /proc/acpi/video/C09A/DOS > It'd be a very special BIOS bug if it can reach out and make the kernel oops. > I got the following series of errors while closing the lid of my notebook. > The end result was a frozen system that needed a hard power off. > > The notebook was docked and connected to external monitor. Closing the lid > will only power off both displays, not suspend. > > I possibly tried to do a few things too quickly in succession, but > AFAIK that should still not result in the kernel crapping out on me ;-) > > System is HP 2510p notebook running 2.6.28 (x86_64, Debian amd64/lenny) > with a few additional patches on top. > > Cheers, > FJP > > Errors in kern.log after rebooting: > > BUG: unable to handle kernel paging request at ffff88007ceeb5a0 > IP: [<ffffffff8034e077>] acpi_ex_field_datum_io+0xec/0x17e > PGD 202063 PUD 8067 PMD 6ff52163 PTE 800000007ceeb163 > Oops: 0011 [#1] SMP > last sysfs file: /sys/class/power_supply/C23D/charge_full > CPU 1 > Modules linked in: iwlagn iwlcore mac80211 cfg80211 isofs zlib_inflate usbhid hid vboxdrv tcp_diag inet_diag i915 > drm ppdev parport_pc lp parport nfs lockd nfs_acl sunrpc ipv6 ext2 coretemp hp_wmi acpi_cpufreq loop joydev > snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm arc4 snd_seq_dummy ecb snd_seq_oss snd_seq_midi snd_rawmidi > snd_seq_midi_event snd_seq snd_timer rfkill snd_seq_device pcmcia snd soundcore psmouse yenta_socket > rsrc_nonstatic iTCO_wdt snd_page_alloc serio_raw pcspkr pcmcia_core intel_agp battery video output wmi > leds_hp_disk led_class container ac button evdev ext3 jbd mbcache sha256_generic aes_x86_64 aes_generic cbc > dm_crypt dm_mirror dm_region_hash dm_log dm_snapshot dm_mod sg sr_mod cdrom sd_mod piix ata_piix ide_pci_generic > ide_core pata_acpi ricoh_mmc sdhci_pci sdhci mmc_core ohci1394 ieee1394 ata_generic ehci_hcd libata uhci_hcd > e1000e scsi_mod thermal processor fan thermal_sys [last unloaded: cfg80211] > Pid: 70, comm: kacpid Not tainted 2.6.28-rjw #83 > RIP: 61a0:[<ffffffff803534ed>] [<ffffffff803534ed>] acpi_ns_search_one_scope+0x1d/0x46 > RSP: ffffffff8028fbf2:ffff88007e1d7b10 EFLAGS: 00000005 > RAX: ffff88007e046510 RBX: ffff88007ceeb5a0 RCX: ffff88007e1d7b70 > RDX: 0000000000000000 RSI: ffff88007e1d7ae0 RDI: ffffffff8028fbf2 > RBP: ffff88007e1d7b80 R08: 00000003000000b2 R09: ffff88007e1d7b70 > R10: 0000000000000000 R11: ffff88007e1d7c60 R12: ffff88007e1d7b10 > R13: ffffffff8034df7e R14: ffff88007e1d7ad0 R15: ffff88007e046510 > FS: 0000000000000000(0000) GS:ffff88007e002a80(0000) knlGS:0000000000000000 > CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b > CR2: ffff88007ceeb5a0 CR3: 0000000063b35000 CR4: 00000000000006e0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Process kacpid (pid: 70, threadinfo ffff88007e1d6000, task ffff88007e1d95f0) > Stack: > BUG: unable to handle kernel paging request at 000000007e1d7b00 > IP: [<ffffffff8020f140>] show_stack_log_lvl+0xb0/0x125 > PGD 63b00067 PUD 73867067 PMD 0 If the BIOS is bad then the kernel would ideally report that fact and then take some sort of avoiding action. It shouldn't oops! Frans, please raise a bugzilla against acpi for this if nothing happens in the next few days, thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html