BUG at fs/afs/file.c:137!

[Anton Blanchard]

Hi,

Hit another one in afs_readpage:

        ASSERT(file != NULL);

kernel BUG at fs/afs/file.c:137!

Oops: Exception in kernel mode, sig: 5 [#1]
SMP NR_CPUS=128 NUMA pSeries
Modules linked in: kafs af_rxrpc fuse ib_ehca ib_core [last unloaded: kafs]
NIP: d00000000cf0fa5c LR: d00000000cf0fa58 CTR: 0000000000000001
REGS: c0000007653875d0 TRAP: 0700   Not tainted  (2.6.31-rc5-tip)
MSR: 8000000000029032 <EE,ME,CE,IR,DR>  CR: 24002484  XER: 20000000
TASK = c000000765958000[5087] 'ls' THREAD: c000000765384000 CPU: 0
GPR00: d00000000cf0fa58 c000000765387850 d00000000cf45ba0 000000000000001c 
GPR04: 0000000000000000 ffffffffffffffff 0000000000000000 0000000000000001 
GPR08: c000000000b171e8 c00000000097cef0 c000000000b176f0 0000000000000001 
GPR12: 0000000024002482 c000000000afb200 0000000000000002 0000000000000001 
GPR16: 0000000000000000 0000000000000001 0000000000000000 00000000100180f0 
GPR20: 0000000000000000 000001003d3921a0 0000000000002618 fffffffffffff000 
GPR24: 0000000000000001 0000000000000000 0000000000000000 c000000765853a80 
GPR28: f000000019e64200 0000000000000000 d00000000cf43440 c000000765387850 
NIP [d00000000cf0fa5c] .afs_readpage+0x68/0x288 [kafs]
LR [d00000000cf0fa58] .afs_readpage+0x64/0x288 [kafs]
Call Trace:
[c000000765387850] [d00000000cf0fa58] .afs_readpage+0x64/0x288 [kafs] (unreliable)
[c000000765387900] [c00000000011da00] .read_cache_page_async+0x1c4/0x20c
[c0000007653879c0] [c00000000011da98] .read_cache_page+0x50/0xc0
[c000000765387a60] [c00000000017822c] .page_getlink+0x50/0xd0
[c000000765387af0] [c0000000001782ec] .page_follow_link_light+0x40/0x70
[c000000765387b90] [c00000000017916c] .generic_readlink+0x78/0x120
[c000000765387ce0] [c000000000172440] .SyS_readlinkat+0xbc/0xf8
[c000000765387d90] [c000000000172360] .SyS_readlink+0x48/0x6c
[c000000765387e30] [c0000000000084d4] system_call+0x38/0xdc

Anton