[OpenAFS] OpenAFS module issues on >= Linux 2.6.13

[Brenden Matthews]

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Hello,

I had openafs running happily on my dual-core amd64 machine, however
recently it has decided to stop working.  I am using 1.4.0-rc8, my
kernel configuration can be found at
http://bdiddy.rty.ca/config-2.6.14-gentoo and the output from dmesg is
as follows:

Found system call table at 0xffffffff8072c000 (scan: close+ioctl)
Found 32-bit system call table at 0xffffffff805302e0 (exported)
Starting AFS cache scan...<1>Unable to handle kernel NULL pointer
dereference at 0000000000000000 RIP:=20
[<0000000000000000>]
PGD 73124067 PUD 73133067 PMD 0=20
Oops: 0010 [1] PREEMPT SMP=20
CPU 1=20
Modules linked in: openafs nvidia
Pid: 7016, comm: afsd Tainted: P      2.6.14-gentoo #1
RIP: 0010:[<0000000000000000>] [<0000000000000000>]
RSP: 0018:ffff810073197b80  EFLAGS: 00010202
RAX: ffffffff80540980 RBX: ffff810072e84718 RCX: ffff81007f8194d8
RDX: ffff810072e84738 RSI: ffff81000322f128 RDI: ffff810072e84718
RBP: ffff81007f819400 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff81007313d000
R13: ffffffff884b02e0 R14: 0000000000093d21 R15: 0000000000093d21
FS:  00002aaaaaefae40(0000) GS:ffffffff8072c880(0000)
knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000000 CR3: 00000000735eb000 CR4: 00000000000006e0
Process afsd (pid: 7016, threadinfo ffff810073196000, task
ffff81007db521c0)
Stack: ffffffff8848452e ffff81007db54bc0 ffffc200112f7000
0000000000000000=20
       0000000000000001 0000000000000000 0000000000000000
0000000000534b70=20
       ffffffff88441d6f 0000000000000001=20
Call Trace:<ffffffff8848452e>{:openafs:osi_UFSOpen+302}
<ffffffff88441d6f>{:openafs:afs_InitCacheFile+575}
       <ffffffff8017e5ce>{filp_close+110}
<ffffffff8848dc83>{:openafs:afs_syscall_call+2947}
       <ffffffff8015deee>{buffered_rmqueue+702}
<ffffffff8049226b>{_spin_lock+27}
       <ffffffff80492221>{_spin_unlock+17} <ffffffff801984e6>{__d_lookup
+326}
       <ffffffff8018d6c7>{do_lookup+103}
<ffffffff8848eeb9>{:openafs:afs_syscall+473}
       <ffffffff80197331>{dput+33} <ffffffff8018ea2f>{link_path_walk
+367}
       <ffffffff8049226b>{_spin_lock+27}
<ffffffff884857aa>{:openafs:afs_unlocked_ioctl+170}
       <ffffffff801928aa>{do_ioctl+58} <ffffffff80192bc3>{vfs_ioctl+691}
       <ffffffff80192c5d>{sys_ioctl+77} <ffffffff8010dce6>{system_call
+126}
      =20

Code:  Bad RIP value.
RIP [<0000000000000000>] RSP <ffff810073197b80>
CR2: 0000000000000000
=20

--=20
Brenden Matthews <brenden@rty.ca>
RTM Inc

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