Re: What did I do wrong? Oopses with 7-30 auto-snapshot

["Maciejewski, Jake" <maciejej@msoe.edu>]

I'm getting oopses too, but it works with frame pointers enabled.

On Fri, 2004-07-30 at 17:30, Jonathan Briggs wrote:
> I wanted to try out the latest even though I know it may not work.
> Either it doesn't work, or I did it wrong.  I was hoping someone would
> know which.
> 
> I've got a raid-0 device with a Reiser4 FS from March.  When I tried to
> mount that after booting 2.6.8-rc2-mm1-reiser4 I got an Oops.  I thought
> it might be a change in the disk structure so I got the latest (I think)
> reiser4 tools and tried creating a new FS and loop mounting it.  That
> got me another, identical Oops.
> 
> Here it is if anyone wants to look:
> Unable to handle kernel NULL pointer dereference at virtual address
> 00000004
>  printing eip:
> c01b0df4
> *pde = 00000000
> Oops: 0000 [#1]
> Modules linked in: joydev evdev usbhid dm_mod ehci_hcd uhci_hcd usbcore
> CPU:    0
> EIP:    0060:[<c01b0df4>]    Not tainted VLI
> EFLAGS: 00010286   (2.6.8-rc2-mm1)
> EIP is at clog_link_object+0x64/0xe0
> eax: 00000000   ebx: 00000000   ecx: c046d964   edx: c16e9dec
> esi: defa8d60   edi: c16e9dec   ebp: c16e9b08   esp: c16e9b04
> ds: 007b   es: 007b   ss: 0068
> Process mount (pid: 1523, threadinfo=c16e8000 task=df936bf0)
> Stack: c16e9c08 c16e9dec c01b7450 00000008 defa8d60 00000001 00000000
> 00000000
>        defa8d60 c01b7789 c16e9dec defa8d60 c16e9dec 00000000 defa8d60
> c01b781a
>        c16e9dec 00000000 00000000 00000001 00000000 c16e9dec defa8dc0
> c01b7a9d
> Call Trace:
>  [<c01b7450>] lock_object+0x50/0x90
>  [<c01b7789>] lock_tail+0x59/0x70
>  [<c01b781a>] longterm_lock_tryfast+0x7a/0xa0
>  [<c01b7a9d>] longterm_lock_znode+0x25d/0x280
>  [<c01f6081>] try_init_format40+0x311/0x3a0
>  [<c01c66de>] traverse_tree+0x22e/0x290
>  [<c01c5de7>] coord_by_key+0xb7/0xd0
>  [<c01d5cf6>] lookup_sd+0x76/0xb0
>  [<c01cc035>] read_inode+0x55/0x130
>  [<c01cc320>] reiser4_iget+0xf0/0x150
>  [<c01cc110>] init_locked_inode+0x0/0x60
>  [<c01d4683>] _init_fs_root+0x33/0x110
>  [<c01f1b32>] d_cursor_init_at+0x52/0xa0
>  [<c01d485b>] reiser4_fill_super+0x3b/0xa0
>  [<c015509e>] sb_set_blocksize+0x2e/0x60
>  [<c0154abd>] get_sb_bdev+0x11d/0x150
>  [<c01aca50>] journal_end+0xa0/0xc0
>  [<c01cdf7f>] reiser4_get_sb+0x2f/0x40
>  [<c01d4820>] reiser4_fill_super+0x0/0xa0
>  [<c0154d07>] do_kern_mount+0x57/0xe0
>  [<c0168c7c>] do_new_mount+0x9c/0xf0
>  [<c0169207>] do_mount+0x147/0x1a0
>  [<c0169063>] copy_mount_options+0x63/0xc0
>  [<c01695c0>] sys_mount+0xa0/0x100
>  [<c0103fa9>] sysenter_past_esp+0x52/0x71
> Code: 8b 64 d9 46 c0 8b 55 00 89 83 68 d9 46 c0 b8 00 e0 ff ff 21 e0 8b
> 00 8b 80 88 00 00 00 89 83 64 d9 46 c0 8b 42 04 89 41 10 8b 02 <8b> 40
> 04 89 41 14 8b 02 8b 00 8b 40 04 89 41 18 8b 02 8b
> 00 8b
-- 
Jake Maciejewski <maciejej@msoe.edu>