On Tue, 13 Mar 2007 15:38:53 -0400 (EDT) Danny Brow wrote: > This bug dump has happened to me for the last 4 or 5 kernels I've built > and installed, 2.6.19.x, 2.6.20 and 2.6.20.2. It happens on all of them > and it's very random. I'm almost wondering if it's a memory issue. > > Please CC me as I'm not subscribed to the list. > > System specs: > 4 GB memory (PAE enabled) > SATA hard (AHCI) > P5B asus mobo > Core 2 duo cpu. > Nvidia video Hi, Can you reproduce this without the nvidia video driver? > BUG: unable to handle kernel NULL pointer dereference at virtual address > 00000000 > printing eip: > c0195fa0 > *pde = 1b866001 > *pte = 00000000 > Oops: 0002 [#1] > PREEMPT SMP > Modules linked in: snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq > snd_seq_device snd_pcm_oss snd_mixer_oss ipv6 ext3 jbd capability > commoncap lp psmouse ohci1394 ieee1394 nvidia(P) i2c_i801 snd_hda_intel > snd_hda_codec sg parport_pc agpgart snd_pcm parport ehci_hcd r8169 > i2c_core pcspkr evdev uhci_hcd serio_raw snd_timer snd soundcore > snd_page_alloc > CPU: 0 > EIP: 0060:[<c0195fa0>] Tainted: P VLI > EFLAGS: 00010287 (2.6.20.2 #1) > EIP is at create_empty_buffers+0x20/0xa0 > eax: 00000000 ebx: c12f3c00 ecx: 00000001 edx: 00000000 > esi: 00000000 edi: 00000000 ebp: c42c30f8 esp: d4bc7ca4 > ds: 007b es: 007b ss: 0068 > Process hald-probe-volu (pid: 26850, ti=d4bc6000 task=ec281030 > task.ti=d4bc6000) > Stack: c12f3c00 00000001 c42c31ac c0196b64 00000001 00000002 c4231e00 > 00000000 > 00000001 00000000 d4bc7ccc 00000001 c036ff2a 00004000 00000002 > 00000020 > 00000000 c01dbfc6 00000001 c01999f0 c12f3c00 00000008 c42c31b0 > 00000000 > Call Trace: > [<c0196b64>] block_read_full_page+0x284/0x340 > [<c036ff2a>] wait_for_completion+0xba/0xd0 > [<c01dbfc6>] radix_tree_node_alloc+0x16/0x60 > [<c01999f0>] blkdev_get_block+0x0/0x80 > [<c015241d>] add_to_page_cache+0x8d/0xb0 > [<c0159150>] read_pages+0x80/0x100 > [<c0157054>] __alloc_pages+0x54/0x2f0 > [<c0159326>] __do_page_cache_readahead+0x156/0x160 > [<c015947d>] blockable_page_cache_readahead+0x4d/0xd0 > [<c0159753>] page_cache_readahead+0x183/0x1c0 > [<c0153012>] do_generic_mapping_read+0x482/0x540 > [<c0153354>] generic_file_aio_read+0x194/0x1f0 > [<c01530d0>] file_read_actor+0x0/0xf0 > [<c017305d>] do_sync_read+0xbd/0x110 > [<c01d1310>] blkdev_driver_ioctl+0x50/0x90 > [<c013dde0>] autoremove_wake_function+0x0/0x50 > [<c019ad08>] block_ioctl+0x18/0x20 > [<c0199ce0>] block_llseek+0xe0/0x120 > [<c0173240>] vfs_read+0x190/0x1a0 > [<c0173541>] sys_read+0x41/0x70 > [<c01032d8>] syscall_call+0x7/0xb > ======================= > Code: b6 00 00 00 00 8d bf 00 00 00 00 57 56 89 ce b9 01 00 00 00 53 89 c3 > e8 4f f6 ff ff 89 c7 89 c2 8d 74 26 00 8d bc 27 00 00 00 00 <09> 32 89 d0 > 8b 52 04 85 d2 75 f5 89 78 04 8b 43 10 83 c0 4c e8 > EIP: [<c0195fa0>] create_empty_buffers+0x20/0xa0 SS:ESP 0068:d4bc7ca4 --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** - To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
