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Re: Kernel Oopses on 2.6.13

To: linux-xfs@xxxxxxxxxxx
Subject: Re: Kernel Oopses on 2.6.13
From: Peter Palfrader <peter@xxxxxxxxxxxxx>
Date: Wed, 5 Oct 2005 13:37:46 +0200
In-reply-to: <20050907143048.GA11805@opium.palfrader.org>
Mail-followup-to: Peter Palfrader <peter@xxxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxx
References: <20050907143048.GA11805@opium.palfrader.org>
Sender: linux-xfs-bounce@xxxxxxxxxxx
User-agent: Mutt/1.5.9i
On Wed, 07 Sep 2005, Peter Palfrader wrote:

> I'm running a pristine 2.6.13 and got an Oops.  After rebooting when
> mounting the filesystem to replay the log (as suggested by xfs_check) I
> got another one.

>  [<c0236837>] xfs_btree_check_sblock+0x77/0xe0
>  [<c021d343>] xfs_alloc_lookup+0x143/0x440
>  [<c021e7eb>] xfs_alloc_delete+0x1b/0x80
>  [<c021a6c2>] xfs_free_ag_extent+0x142/0x680
>  [<c021baf6>] xfs_free_extent+0xc6/0xf0
>  [<c0273aa2>] kmem_zone_zalloc+0x22/0x50
>  [<c0269c52>] xfs_trans_get_efd+0x22/0x30
>  [<c022d4b2>] xfs_bmap_finish+0x102/0x180
>  [<c026fd8c>] xfs_remove+0x29c/0x440
>  [<c027a5cb>] linvfs_permission+0x1b/0x30
>  [<c027a31b>] linvfs_unlink+0x1b/0x40
>  [<c01660fd>] vfs_unlink+0x12d/0x1a0
>  [<c0166209>] sys_unlink+0x99/0x110
>  [<c0102c79>] syscall_call+0x7/0xb

Tried it again with 2.6.13.2 and got a similar Oops:
Oct  5 01:01:29 nikki kernel: [17209340.020000] Unable to handle kernel NULL 
pointer dereference at virtual address 00000086
Oct  5 01:01:29 nikki kernel: [17209340.032000]  printing eip:
Oct  5 01:01:29 nikki kernel: [17209340.036000] c021be3e
Oct  5 01:01:29 nikki kernel: [17209340.036000] *pde = 00000000
Oct  5 01:01:29 nikki kernel: [17209340.040000] Oops: 0002 [#1]
Oct  5 01:01:29 nikki kernel: [17209340.040000] SMP
Oct  5 01:01:29 nikki kernel: [17209340.040000] Modules linked in: autofs4 
analog parport_pc parport evdev floppy pcspkr snd_via82xx gameport 
snd_ac97_codec snd_pcm snd_timer snd_page_alloc snd_mpu401_uart
+snd_rawmidi snd_seq_device snd soundcore i2c_viapro i2c_core ehci_hcd uhci_hcd 
usbcore ipt_REDIRECT ip6table_mangle ip6table_filter ip6_tables ipv6 
iptable_mangle iptable_nat ip_conntrack iptable_filter
+ip_tables dm_mod unix
Oct  5 01:01:29 nikki kernel: [17209340.040000] CPU:    0
Oct  5 01:01:29 nikki kernel: [17209340.040000] EIP:    0060:[<c021be3e>]    
Not tainted VLI
Oct  5 01:01:29 nikki kernel: [17209340.040000] EFLAGS: 00010283   
(2.6.13.2-came32)
Oct  5 01:01:29 nikki kernel: [17209340.040000] EIP is at 
xfs_alloc_delrec+0x8e/0xe60  
Oct  5 01:01:29 nikki kernel: [17209340.040000] eax: 00000086   ebx: 0000004d   
ecx: d36e49dc   edx: 00000086
Oct  5 01:01:29 nikki kernel: [17209340.040000] esi: e02f37a8   edi: f7bb9000   
ebp: f1dea818   esp: e02f371c
Oct  5 01:01:29 nikki kernel: [17209340.040000] ds: 007b   es: 007b   ss: 0068
Oct  5 01:01:29 nikki kernel: [17209340.040000] Process pdflush (pid: 25838, 
threadinfo=e02f2000 task=f6973580)
Oct  5 01:01:29 nikki kernel: [17209340.040000] Stack: f7cc31a0 017595e8 
0004a814 f1dea78c c0236837 f1dea78c f6f70000 00000000
Oct  5 01:01:29 nikki kernel: [17209340.040000]        00000000 f6f70000 
c021d343 f1dea78c 00000000 00000000 00000000 f1dea78c
Oct  5 01:01:29 nikki kernel: [17209340.040000]        00000000 d36e49dc 
c05fa2c0 f6f70010 00000000 0000000a f7d56400 00000044
Oct  5 01:01:29 nikki kernel: [17209340.040000] Call Trace:
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0236837>] 
xfs_btree_check_sblock+0x77/0xe0
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c021d343>] 
xfs_alloc_lookup+0x143/0x440
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c021e7eb>] 
xfs_alloc_delete+0x1b/0x80
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0219021>] 
xfs_alloc_fixup_trees+0x71/0x2e0   
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0219f33>] 
xfs_alloc_ag_vextent_near+0x943/0xa10
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0219467>] 
xfs_alloc_ag_vextent+0x117/0x120
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c021b900>] 
xfs_alloc_vextent+0x450/0x580
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c022a3ad>] 
xfs_bmap_alloc+0xa0d/0x18a0
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0115d12>] 
activate_task+0x82/0xa0  
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c02353fe>] 
xfs_bmbt_get_state+0x1e/0x30
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c022c954>] 
xfs_bmap_do_search_extents+0x114/0x4c0
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c022efe9>] 
xfs_bmapi+0x11b9/0x1640
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c02353fe>] 
xfs_bmbt_get_state+0x1e/0x30
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c022c954>] 
xfs_bmap_do_search_extents+0x114/0x4c0
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c013d0ef>] 
mempool_alloc_slab+0xf/0x20
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c025b84a>] 
xlog_grant_push_ail+0x3a/0x110
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c025b8ef>] 
xlog_grant_push_ail+0xdf/0x110
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c025aa88>] 
xfs_log_reserve+0xa8/0xc0
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c02583b7>] 
xfs_iomap_write_allocate+0x297/0x500
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0257349>] 
xfs_iomap+0x359/0x480
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0328653>] 
generic_make_request+0x133/0x200
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c027c03d>] xfs_bmap+0x2d/0x40
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0273c35>] 
xfs_map_blocks+0x35/0x70
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0274be8>] 
xfs_page_state_convert+0x4c8/0x640
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0328773>] 
submit_bio+0x53/0xd0
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c02a0d23>] 
radix_tree_gang_lookup_tag+0x43/0x60
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0139f42>] 
find_get_pages_tag+0x32/0x70
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0275294>] 
linvfs_writepage+0x54/0xf0
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c01795b1>] 
mpage_writepages+0x241/0x390
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0275240>] 
linvfs_writepage+0x0/0xf0
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0103bea>] 
common_interrupt+0x1a/0x20
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c027c68e>] 
linvfs_write_inode+0x2e/0x60
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c013fd39>] 
do_writepages+0x29/0x40
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c01779be>] 
__sync_single_inode+0x5e/0x210
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0177bdf>] 
__writeback_single_inode+0x6f/0x140
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c02690de>] 
xfs_trans_first_ail+0xe/0x20
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0177e5d>] 
sync_sb_inodes+0x1ad/0x2b0
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c017802b>] 
writeback_inodes+0xcb/0xe0
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c013fb2b>] 
wb_kupdate+0xbb/0x130
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0140480>] pdflush+0x0/0x30
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c0140390>] 
__pdflush+0xc0/0x1b0
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c014049e>] pdflush+0x1e/0x30
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c013fa70>] 
wb_kupdate+0x0/0x130
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c012ecd7>] kthread+0xa7/0xb0
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c012ec30>] kthread+0x0/0xb0
Oct  5 01:01:29 nikki kernel: [17209340.040000]  [<c010101d>] 
kernel_thread_helper+0x5/0x18
Oct  5 01:01:29 nikki kernel: [17209340.040000] Code: 8b 79 60 66 8b 47 06 25 
ff ff 00 00 89 c2 c1 e2 08 c1 e8 08 09 c2 81 e2 ff ff 00 00 39 d3 7e 0b 8b 9c 
24 88 00 00 00 c7 03 00 00 <00> 00 eb b8 ba 00 e0 ff ff
+b8 c0 a2 5f c0 21 e2 8b 52 10 8b 0c


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