Re: BUG: unable to handle kernel paging request at virtual address

Mikael Pettersson
2008-01-05T14:34:40Z

Alexander Shaduri writes:
> On Sat, 5 Jan 2008 09:10:12 +0000
> Al Viro <viro@ZenIV.linux.org.uk> wrote:
>
> > and we have q->page == 0x48464443. Seeing how we assign that sucker, that
> > smells like we've got a page on quicklist with {0x43, 0x44, 0x46, 0x48}
> > in its first 4 bytes. Instead of having address of the next page stored
> > in there...
> >
> > Do other oopsen of the same kind give the same value?
>
> I've got another oops here with a different value. This time a bttv message
> preceded it. Note that the oops happened shortly *after* I stopped capturing
> (watching the tv through mplayer).
>
> Output of dmesg:
>
> bttv0: OCERR @ 375e2014,bits: HSYNC OFLOW FDSR OCERR*
> (two pages of the same message here)
>
> bttv0: OCERR @ 375e2014,bits: HSYNC OFLOW FDSR OCERR*
> bttv0: OCERR @ 375e2014,bits: HSYNC OFLOW FBUS FDSR OCERR*
> BUG: unable to handle kernel paging request at virtual address 23232323
> printing eip:
> c011d6f8
> *pde = 00000000
> Oops: 0000 [#1]
> PREEMPT SMP
> Modules linked in: ppp_generic slhc iptable_filter ip_tables ip6table_filter ip6_tables x_tables ipv6 cpufreq_conservative cpufreq_ondemand cpufreq_userspace cpufreq_powersave powernow_k8 freq_table snd_pcm_oss snd_mixer_oss snd_seq_midi snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_event snd_seq_midi_emul snd_seq capability commoncap fuse nls_koi8_r nls_cp866 loop dm_mod binfmt_misc uhci_hcd it87 hwmon_vid eeprom nvidia(P) tuner tvaudio snd_emu10k1 bttv snd_rawmidi snd_ac97_codec video_buf firmware_class ir_common ac97_bus snd_pcm snd_seq_device compat_ioctl32 i2c_algo_bit snd_timer snd_page_alloc emu10k1_gp snd_util_mem btcx_risc tveeprom videodev gameport ohci1394 ieee1394 ide_cd snd_hwdep snd v4l2_common v4l1_compat agpgart soundcore i2c_nforce2 thermal button rtc_cmos rtc_core rtc_lib forcedeth k8temp i2c_core hwmon cdrom sg ohci_hcd ehci_hcd usbcore edd fan processor pata_amd
> CPU: 0
> EIP: 0060:[<c011d6f8>] Tainted: P VLI

This kernel is tainted by the nvidia module...