Ubuntu
linux-source-2.6.15 package

Oops on boot from Dapper flight CD2 live CD

Bug #5838 reported by Torok Edwin
4
Affects Status Importance Assigned to Milestone
linux-source-2.6.15 (Ubuntu)
Fix Released
Medium
Unassigned

Bug Description

When I boot from the Dapper Drake Flight CD2 live CD, I get the following Oops:
17179637.772000] Unable to handle kernel NULL pointer dereference at
virtual address 00000050
[17179637.772000] printing eip:
[17179637.772000] c0163ac4
[17179637.772000] *pde = 00000000
[17179637.772000] Oops: 0000 [#1]
[17179637.772000] PREEMPT
[17179637.772000] Modules linked in: dm_mod i810_audio ac97_codec usbhid
snd_intel8x0 pcmcia amd64_agp snd_ac97_codec snd_ac97_bus psmouse
snd_pcm_oss snd_mixer_oss snd_pcm sis900 mii snd_timer snd sis_agp
pcspkr yenta_socket rsrc_nonstatic pcmcia_core ohci_hcd soundcore
snd_page_alloc i2c_sis96x serio_raw rtc agpgart ehci_hcd shpchp i2c_core
usbcore pci_hotplug evdev md_mod ext2 unionfs cloop isofs ide_generic
ide_cd cdrom ide_disk sis5513 generic thermal processor fan fbcon
tileblit font bitblit softcursor capability commoncap
[17179637.772000] CPU: 0
[17179637.772000] EIP: 0060:[<c0163ac4>] Not tainted VLI
[17179637.772000] EFLAGS: 00010246 (2.6.15-8-386)
[17179637.772000] EIP is at bio_get_nr_vecs+0x4/0x60
[17179637.772000] eax: 00000000 ebx: 00000000 ecx: 00000000 edx:
00000c00
[17179637.772000] esi: 00000c00 edi: c7a68000 ebp: 00000001 esp:
c8f4bd84
[17179637.772000] ds: 007b es: 007b ss: 0068
[17179637.772000] Process readahead-list (pid: 3609, threadinfo=c8f4a000
task=c9488030)
[17179637.772000] Stack: c01843db 00000000 c7a68000 c02ed6a0 c8f4bde0
0000000a c78c46c4 00000004
[17179637.772000] 00000004 00000000 00000250 00000000 00000004
00000000 00000000 c78c4640
[17179637.772000] 00000000 00000008 cec4dabb cec4bf8f c8f4be14
c8f4be58 c8f4be5c ffffffff
[17179637.772000] Call Trace:
[17179637.772000] [<c01843db>] do_mpage_readpage+0x40b/0x4c0
[17179637.772000] [<c01dba96>] vsnprintf+0x356/0x590
[17179637.772000] [<c01d9885>] radix_tree_node_alloc+0x15/0x60
[17179637.772000] [<c01d9b4f>] radix_tree_insert+0xff/0x140
[17179637.772000] [<c013e5d6>] add_to_page_cache+0x46/0xb0
[17179637.772000] [<c018452a>] mpage_readpages+0x9a/0x130
[17179637.772000] [<ce921860>] ext2_get_block+0x0/0x400 [ext2]
[17179637.772000] [<c0142cbf>] rmqueue_bulk+0x5f/0x90
[17179637.772000] [<c0142b28>] prep_new_page+0x68/0x80
[17179637.772000] [<c01430e7>] buffered_rmqueue+0xc7/0x250
[17179637.772000] [<c0145cb7>] read_pages+0x27/0x130
[17179637.772000] [<ce921860>] ext2_get_block+0x0/0x400 [ext2]
[17179637.772000] [<c014344e>] __alloc_pages+0x4e/0x2e0
[17179637.772000] [<c0145f31>] __do_page_cache_readahead+0x171/0x1d0
[17179637.772000] [<c0145fd3>] force_page_cache_readahead+0x43/0xa0
[17179637.772000] [<c013f669>] do_readahead+0x39/0x40
[17179637.772000] [<c013f6e6>] sys_readahead+0x76/0x90
[17179637.772000] [<c010302b>] sysenter_past_esp+0x54/0x79
[17179637.772000] Code: 5a 5b 5e 5f 5d c3 53 8b 44 24 04 50 e8 86 68 06
00 5d 58 8b 53 10 eb e1 53 8b 7c 24 04 57 e8 74 68 06 00 59 5e eb d7 8b
44 24 04 <8b> 40 50 8b 48 34 8b 81 3c 01 00 00 25 ff ff 00 00 c1 e0 09
8d

-------------
system: architecture:i386
Note: the kernel version on the livecd is 2.6.15, but I was unable to find it in the bug-tracker

Daniel Holbach (dholbach)
Changed in linux-source-2.6.12:
assignee: nobody → ubuntu-kernel-team
Revision history for this message
Ben Collins (ben-collins) wrote :

Hopefully this bug is fixed. Can you please try one of the latest daily builds and confirm? I'm pretty sure this was an issue in relayfs.

Revision history for this message
Karl Pickett (karl-pickett) wrote :
Download full text (4.3 KiB)

Happens to me on flight 3 livecd. also happend on flight 2 live cd. this is flight 3:

[4294739.352000] PCI: Setting latency timer of device 0000:00:1f.5 to 64
[4294739.666000] intel8x0_measure_ac97_clock: measured 50572 usecs
[4294739.666000] intel8x0: clocking to 48000
[4294745.481000] md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
[4294745.481000] md: bitmap version 4.39
[4294746.308000] device-mapper: 4.4.0-ioctl (2005-01-12) initialised: <email address hidden>
[4294749.993000] cdrom: hdd: mrw address space DMA selected
[4294757.684000] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[4294757.684000] printing eip:
[4294757.684000] e090bab9
[4294757.684000] *pde = 00000000
[4294757.684000] Oops: 0000 [#1]
[4294757.684000] PREEMPT
[4294757.684000] Modules linked in: dm_mod md_mod snd_intel8x0 e100 parport_pc parport snd_ac97_codec snd_ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm analog gameport ati_remote floppy pcspkr mii rtc psmouse serio_raw snd_timer snd intel_agp soundcore snd_page_alloc shpchp pci_hotplug agpgart evdev squashfs unionfs loop isofs ide_generic ide_cd cdrom ide_disk piix generic ehci_hcd uhci_hcd usbcore thermal processor fan capability commoncap vga16fb cfbcopyarea vgastate cfbimgblt cfbfillrect fbcon tileblit font bitblit softcursor
[4294757.684000] CPU: 0
[4294757.684000] EIP: 0060:[<e090bab9>] Not tainted VLI
[4294757.684000] EFLAGS: 00010246 (2.6.15-12-386)
[4294757.684000] EIP is at get_cached_fragment+0x49/0x1e0 [squashfs]
[4294757.684000] eax: 00000000 ebx: 00000000 ecx: 00000000 edx: 00000000
[4294757.684000] esi: 00000000 edi: 00000000 ebp: dfafc380 esp: da025d18
[4294757.684000] ds: 007b es: 007b ss: 0068
[4294757.684000] Process readahead-list (pid: 4141, threadinfo=da024000 task=d8c00550)
[4294757.684000] Stack: dfafc414 dfafc42c da024000 c0176fdd 00000001 00000001 00024000 da024020
[4294757.684000] de88ce08 de88ce08 00000000 00000000 c13f8d60 e090ef26 dfa56c00 00000000
[4294757.684000] dcfc5ec0 00093c24 00000000 00000000 0000dfaf de88ce08 dfafc380 00000001
[4294757.684000] Call Trace:
[4294757.684000] [<c0176fdd>] dput+0x10d/0x2c0
[4294757.684000] [<e090ef26>] s[4294757.684000] [<c01dc116>] vsnprintf+0x356/0x590
[4294757.684000] [<e0c3d63c>] fist_dprint_internal+0xc/0x60 [unionfs]
[4294757.684000] [<e0c3d874>] fist_print_generic_inode3+0x164/0x1f0 [unionfs]
[4294757.684000] [<c01dc116>] vsnprintf+0x356/0x590
[4294757.684000] [<e0c3d63c>] fist_dprint_internal+0xc/0x60 [unionfs]
[4294757.684000] [<e0c3d63c>] fist_dprint_internal+0xc/0x60 [unionfs]
[4294757.684000] [<e0c3de71>] fist_print_generic_file3+0x1d1/0x220 [unionfs]
[4294757.684000] [<e0c3dfd5>] fist_print_file+0xf5/0x260 [unionfs]
[4294757.684000] [<c0142d27>] bad_range+0x27/0x40
[4294757.684000] [<c01433bb>] __rmqueue+0xab/0x120
[4294757.684000] [<c01d9f05>] radix_tree_node_alloc+0x15/0x60
[4294757.684000] [<c01da1cf>] radix_tree_insert+0xff/0x140
[4294757.684000] [<c013eda6>] add_to_page_cache+0x46/0xb0
[4294757.684000] [<c01464bc>] read_pages+0xac/0x130
[4294757.684000] [<c0143c1e>] __alloc_pages+0x4e/0x2e0
[4294757.684000] [<c01466b1>] __do_page_cache_reada...

Read more...

Ben Collins (ben-collins)
Changed in linux-source-2.6.15:
status: Unconfirmed → Fix Released
Revision history for this message
Launchpad Janitor (janitor) wrote : Kernel team bugs

Per a decision made by the Ubuntu Kernel Team, bugs will longer be assigned to the ubuntu-kernel-team in Launchpad as part of the bug triage process. The ubuntu-kernel-team is being unassigned from this bug report. Refer to https://wiki.ubuntu.com/KernelTeamBugPolicies for more information. Thanks.

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