[Bug 32480] oops at boot (squashfs ??)

[Jerome Lacoste]

Public bug reported:
https://launchpad.net/malone/bugs/32480

Affects: linux-source-2.6.15 (Ubuntu)
       Severity: Normal
       Priority: (none set)
         Status: Unconfirmed

Description:
   1.
      [4294718.463000] IPv6 over IPv4 tunneling driver
   2.
      [4294719.103000] Unable to handle kernel NULL pointer dereference at virtual address 00000001
   3.
      [4294719.108000]  printing eip:
   4.
      [4294719.113000] 50916bee
   5.
      [4294719.113000] *pde = 00000000
   6.
      [4294719.118000] Oops: 0000 [#1]
   7.
      [4294719.118000] PREEMPT
   8.
      [4294719.118000] Modules linked in: ipv6 dm_mod md_mod snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_timer tsdev snd pcspkr rtc parport_pc parport floppy af_packet shpchp pci_hotplug psmouse serio_raw soundcore snd_page_alloc intel_agp agpgart i2c_i810 i2c_algo_bit i2c_core
   9.
      evdev e100 mii squashfs unionfs loop nls_cp437 isofs ehci_hcd uhci_hcd usbcore ide_generic ide_cd cdrom ide_disk piix generic thermal processor fan capability commoncap vga16fb cfbcopyarea vgastate cfbimgblt cfbfillrect fbcon tileblit font bitblit softcursor
  10.
      [4294719.118000] CPU:    0
  11.
      [4294719.118000] EIP:    0060:[<50916bee>]    Not tainted VLI
  12.
      [4294719.118000] EFLAGS: 00010246   (2.6.15-15-386)
  13.
      [4294719.118000] EIP is at get_cached_fragment+0x5e/0x260 [squashfs]
  14.
      [4294719.118000] eax: 00000000   ebx: 00000001   ecx: 48750000   edx: 4fb03c00
  15.
      [4294719.118000] esi: 00000000   edi: 00000000   ebp: 00000001   esp: 48751d18
  16.
      [4294719.118000] ds: 007b   es: 007b   ss: 0068
  17.
      [4294719.118000] Process readahead-list (pid: 4280, threadinfo=48750000 task=4e424a70)
  18.
      [4294719.118000] Stack: 4fb03ce4 4fb03d0c 4fb03c00 48750000 4c676e60 403e1ab4 48750000 48750000
  19.
      [4294719.118000]        4871fd88 4c676e60 48750000 00093c24 00000000 00000000 5091a07f 4fa56c00
  20.
      [4294719.118000]        00000001 ffffffff 00000000 00000000 00000000 4871fd88 4fb03c00 00000001
  21.
      [4294719.118000] Call Trace:
  22.
      [4294719.118000]  [<5091a07f>] squashfs_readpage+0x13f/0x540 [squashfs]
  23.
      [4294719.118000]  [<40118069>] scheduler_tick+0x139/0x340
  24.
      [4294719.118000]  [<40108040>] timer_interrupt+0x40/0xc0
  25.
      [4294719.118000]  [<4013dab5>] handle_IRQ_event+0x35/0x70
  26.
      [4294719.118000]  [<40142d57>] bad_range+0x27/0x40
  27.
      [4294719.118000]  [<401433eb>] __rmqueue+0xab/0x120
  28.
      [4294719.118000]  [<401d9f75>] radix_tree_node_alloc+0x15/0x60
  29.
      [4294719.118000]  [<401da23f>] radix_tree_insert+0xff/0x140
  30.
      [4294719.118000]  [<4013edd6>] add_to_page_cache+0x46/0xb0
  31.
      [4294719.118000]  [<401464ec>] read_pages+0xac/0x130
  32.
      [4294719.118000]  [<40143c4e>] __alloc_pages+0x4e/0x2e0
  33.
      [4294719.118000]  [<401466e1>] __do_page_cache_readahead+0x171/0x1d0
  34.
      [4294719.118000]  [<40146783>] force_page_cache_readahead+0x43/0xa0
  35.
      [4294719.118000]  [<4013fe69>] do_readahead+0x39/0x40
  36.
      [4294719.118000]  [<4013fee6>] sys_readahead+0x76/0x90
  37.
      [4294719.118000]  [<4010302b>] sysenter_past_esp+0x54/0x79
  38.
      [4294719.118000] Code: b4 26 00 00 00 00 8d bc 27 00 00 00 00 8b 54 24 08 ff 8a e4 00 00 00 0f 88 90 4f 00 00 8b 9a 88 00 00 00 89 dd 31 f6 31 c0 89 c7 <8b> 03 8b 53 04 8b 4c 24 44 31 d1 33 44 24 40 09 c1 0f 84 a8 00
  39.
      [4294719.118000]  <6>ACPI: Power Button (FF) [PWRF]
  40.
      [4294720.069000] ACPI: Power Button (CM) [PWRB]
  41.
      [4294720.195000] ibm_acpi: ec object not found
  42.
      [4294725.847000] [drm] Initialized drm 1.0.0 20040925