[Bugme-janitors] [Bug 14535] New: Memory corruption detected in low memory

[bugzilla-daemon at bugzilla.kernel.org]

http://bugzilla.kernel.org/show_bug.cgi?id=14535

           Summary: Memory corruption detected in low memory
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.31-5
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri at kernel-bugs.osdl.org
        ReportedBy: erki85 at ut.ee
        Regression: No


When trying to run any game that uses hardware acceleration, they don't.
Instead filesystem gets corrupted and there's no access to almost any
application (for example ls reports, that there are no files in /usr/bin).
After restart and fsck things go back to normal.

In /var/log/kernel.log there are lots of Corrupted low memory at c0004efc (4efc
phys) = 00ffffff messages and after these

Nov  3 05:49:01 arch kernel: ------------[ cut here ]------------
Nov  3 05:49:01 arch kernel: WARNING: at arch/x86/kernel/check.c:134
check_for_bios_corruption+0xd2/0xe0()
Nov  3 05:49:01 arch kernel: Hardware name: 23748TG
Nov  3 05:49:01 arch kernel: Memory corruption detected in low memory
Nov  3 05:49:01 arch kernel: Modules linked in: ipv6 ext2 fan snd_seq_dummy
snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device joydev snd_pcm_oss radeon
ttm snd_intel8x0 snd_ac97_codec ac97_bus thinkpad_acpi pcmcia drm i2c_algo_bit
snd_mixer_oss iTCO_wdt iTCO_vendor_support rfkill led_class nvram uhci_hcd
ehci_hcd ppdev video output snd_pcm e1000 ipw2200 parport_pc battery psmouse
sr_mod cdrom nsc_ircc snd_timer i2c_i801 snd soundcore floppy ac usbcore
intel_agp agpgart libipw lib80211 snd_page_alloc i2c_core thermal serio_raw
button yenta_socket rsrc_nonstatic pcmcia_core irtty_sir sir_dev sg evdev irda
crc_ccitt shpchp pci_hotplug lp parport cpufreq_ondemand acpi_cpufreq
freq_table processor rtc_cmos rtc_core rtc_lib ext4 mbcache jbd2 crc16 sd_mod
ata_piix ata_generic pata_acpi libata scsi_mod
Nov  3 05:49:01 arch kernel: Pid: 6, comm: events/0 Tainted: G        W 
2.6.31-ARCH #1
Nov  3 05:49:01 arch kernel: Call Trace:
Nov  3 05:49:01 arch kernel: [<c104654a>] ? warn_slowpath_common+0x7a/0xc0
Nov  3 05:49:01 arch kernel: [<c102a092>] ? check_for_bios_corruption+0xd2/0xe0
Nov  3 05:49:01 arch kernel: [<c1046607>] ? warn_slowpath_fmt+0x37/0x60
Nov  3 05:49:01 arch kernel: [<c102a092>] ? check_for_bios_corruption+0xd2/0xe0
Nov  3 05:49:01 arch kernel: [<c102a0a0>] ? check_corruption+0x0/0x50
Nov  3 05:49:01 arch kernel: [<c102a0b3>] ? check_corruption+0x13/0x50
Nov  3 05:49:01 arch kernel: [<c105d03f>] ? worker_thread+0x11f/0x280
Nov  3 05:49:01 arch kernel: [<c1062de0>] ? autoremove_wake_function+0x0/0x60
Nov  3 05:49:01 arch kernel: [<c105cf20>] ? worker_thread+0x0/0x280
Nov  3 05:49:01 arch kernel: [<c106298c>] ? kthread+0x8c/0xa0
Nov  3 05:49:01 arch kernel: [<c1062900>] ? kthread+0x0/0xa0
Nov  3 05:49:01 arch kernel: [<c10048e7>] ? kernel_thread_helper+0x7/0x10
Nov  3 05:49:01 arch kernel: ---[ end trace a7919e7f17c0a727 ]---


system: Arch Linux, Thinkpad T42 with Radeon 7500
Xorg: 1.6.3.901
xf86-video-ati: 6.12.4

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