[OpenAFS-devel] Problems using the RedHat patches to get OpenAFS working on Debian using 2.6 kernel

[Horst Birthelmer]

On Jul 5, 2004, at 10:42 PM, Christine Nattrass wrote:

> Hi
> I'm trying to get OpenAFS working on my computer and I started by 
> looking at the patches put up by Jack Neely at 
> http://linux.ncsu.edu/projects/openafs-rpms/ (mentioned in an earlier 
> post here.)
>
> I'm running Debian Linux with the 2.6.7 kernel.  Exactly what I did is 
> up at:
> http://pantheon.yale.edu/~cen8/Openafs.html
> (because, ironically, in my optimism, I thought it was going to work 
> and I was going to post something to help other people)
>
> however when I type
>   /usr/local/sbin/afsd
> to start afs I get a segementation fault
>
> I had no compiler errors, however, when I look in /var/log/messages I 
> see:
>
> Jul  5 14:36:41 tesla -- MARK --
> Jul  5 14:56:41 tesla -- MARK --
> Jul  5 15:16:41 tesla -- MARK --
> Jul  5 15:26:18 tesla kernel: libafs: module license 'unspecified' 
> taints kernel.
> Jul  5 15:26:18 tesla kernel: Found sys_call_table at c0442200
> Jul  5 15:30:30 tesla kernel: Starting AFS cache scan...<1>Unable to 
> handle kernel NULL pointer dereference at virtual address 00000000
> Jul  5 15:30:30 tesla kernel: 00000000
> Jul  5 15:30:30 tesla kernel: PREEMPT
> Jul  5 15:30:30 tesla kernel: Modules linked in: libafs snd_intel8x0 
> snd_ac97_codec snd_mpu401_uart snd_rawmidi nls_iso8859_1
> Jul  5 15:30:30 tesla kernel: CPU:    0
> Jul  5 15:30:30 tesla kernel: EIP:    0060:[<00000000>]    Tainted: P 
> Jul  5 15:30:30 tesla kernel: EFLAGS: 00010202   (2.6.7)
> Jul  5 15:30:30 tesla kernel: EIP is at 0x0
> Jul  5 15:30:30 tesla kernel: eax: c64dc51c   ebx: c1ea5000   ecx: 
> 00000000   edx: c044cb60
> Jul  5 15:30:30 tesla kernel: esi: cff9f600   edi: c64dc51c   ebp: 
> c1ea5098   esp: c72ede04
> Jul  5 15:30:30 tesla kernel: ds: 007b   es: 007b   ss: 0068
> Jul  5 15:30:30 tesla kernel: Process afsd (pid: 30077, 
> threadinfo=c72ec000 task=c5aba830)
> Jul  5 15:30:30 tesla kernel: Stack: d1d8f8a3 028c1a1e 00000000 
> 028c1a1e d1e1d000 00000001 d1d57752 00200200
> Jul  5 15:30:30 tesla kernel:        c020bccc c1ea5000 00000000 
> c72ec000 c72ec000 00000000 00000000 d1d907af
> Jul  5 15:30:30 tesla kernel:        0000000a c72edf1c cef71080 
> 028c1a1e d1d94590 c692acb0 c5aba830 c692acb0
> Jul  5 15:30:30 tesla kernel: Call Trace:
> Jul  5 15:30:30 tesla kernel:  [pg0+293824675/1068126208] 
> osi_UFSOpen+0x177/0x1b8 [libafs]
> Jul  5 15:30:30 tesla kernel:  [pg0+293594962/1068126208] 
> afs_InitCacheFile+0x1d1/0x45e [libafs]
> Jul  5 15:30:30 tesla kernel:  [linvfs_open+99/110] 
> linvfs_open+0x63/0x6e
> Jul  5 15:30:30 tesla kernel:  [pg0+293828527/1068126208] 
> afs_osi_Sleep+0x64/0x85 [libafs]
> Jul  5 15:30:30 tesla kernel:  [pg0+293844368/1068126208] 
> afs_syscall_call+0x54d/0x8f5 [libafs]
> Jul  5 15:30:30 tesla kernel:  [pte_alloc_one+27/77] 
> pte_alloc_one+0x1b/0x4d
> Jul  5 15:30:30 tesla kernel:  [pg0+293845846/1068126208] 
> afs_syscall+0x1f2/0x226 [libafs]
> Jul  5 15:30:30 tesla kernel:  [pg0+293827878/1068126208] 
> afs_ioctl+0x57/0x61 [libafs]
> Jul  5 15:30:30 tesla kernel:  [filp_open+76/78] filp_open+0x4c/0x4e
> Jul  5 15:30:30 tesla kernel:  [file_ioctl+100/375] 
> file_ioctl+0x64/0x177
> Jul  5 15:30:30 tesla kernel:  [dput+25/503] dput+0x19/0x1f7
> Jul  5 15:30:30 tesla kernel:  [sys_ioctl+258/553] 
> sys_ioctl+0x102/0x229
> Jul  5 15:30:30 tesla kernel:  [syscall_call+7/11] syscall_call+0x7/0xb
> Jul  5 15:30:30 tesla kernel:
> Jul  5 15:30:30 tesla kernel: Code:  Bad EIP value.
> Jul  5 15:56:42 tesla -- MARK --
> Jul  5 16:16:42 tesla -- MARK --
>
> (sorry for all the crap)
>
> So...  at this point I'm lost.  I would greatly appreciate any help.
> thanks
> Christine Nattrass
>

Sorry, I don't know nothing about the patch from Jack Neely but it 
looks like your client gets doomed in the cache initialization.
What filesystem is your afs cache?? and on what platform are you 
trying?? I hope no AMD64 ... or something.... ;-)

Horst