kAFS crash

kAFS crash

[Troy Benjegerdes]

Well, so much for me thinking the kernel afs client would be more stable
than openafs ;)

This is on the debian 2.6.15-1-powerpc-smp kernel package.

Oops: kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=4
NIP: C0237A34 LR: D9268248 SP: D5679F50 REGS: d5679ea0 TRAP: 0300   Not tainted
MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
DAR: 00000070, DSISR: 04000000
TASK = c5269230[10217] 'kafscmd' THREAD: d5678000
Last syscall: -1  CPU: 1
GPR00: 00000001 D5679F50 C5269230 00000070 00009032 00000000 0000B817 00000000
GPR08: D5679FD4 00000000 D5686140 C0237A20 EC51E6F5 1002A544 00000000 100243F0
GPR16: 100243D0 00000000 00000000 100243C0 00000000 10020000 00000000 C0310000
GPR24: C1BCDDD0 00000070 C924A000 00000000 D927A0A8 D5679F58 D9280000 00000000
NIP [c0237a34] __lock_text_start+0x14/0x30
LR [d9268248] SRXAFSCM_InitCallBackState+0x2c/0x130 [kafs]
Call trace:
 [d926992c] _SRXAFSCM_InitCallBackState+0x90/0x150 [kafs]
 [d92690d4] kafscmd+0x170/0x190 [kafs]
 [c0007818] kernel_thread+0x44/0x60

more kAFS crashes..

[Troy Benjegerdes]

This is 2.6.17, on PPC64. 

<== afs_mntpt_expiry_timed_out()
reading in unexpected state [[[ 0 ]]]
kernel BUG in __rxrpc_call_read_data at net/rxrpc/call.c:1713!
Oops: Exception in kernel mode, sig: 5 [#1]
SMP NR_CPUS=32 NUMA
Modules linked in: kafs sd_mod ide_cd cdrom ipr scsi_mod firmware_class
e1000 pdc202xx_new ehci_hcd ohci_hcd usbcore rxrpc
NIP: D000000000054B98 LR: D000000000054B94 CTR: 80000000001AF404
REGS: c0000001e394b9b0 TRAP: 0700   Not tainted  (2.6.17)
MSR: 8000000000029032 <EE,ME,IR,DR>  CR: 22002422  XER: 00000007
TASK = c00000000212b040[297] 'krxiod' THREAD: c0000001e3948000 CPU: 2
GPR00: D000000000054B94 C0000001E394BC30 D000000000074000 0000000000000029
GPR04: 8000000000009032 FFFFFFFFFFFFFFFF 0000000000000007 0000000000000000
GPR08: FFFFFFFFFFFFFFFF C0000000003768D8 C00000000045BC58 C00000000045BB88
GPR12: 0000000000004000 C00000000036A400 C00000000215C3C0 D000000000042C50
GPR16: 0000000000000000 00000000000001E0 D000000000042C10 D000000000063DD0
GPR20: C0000003DA7CE010 C0000003DA7CE010 0000000000000028 D00000000006C0B4
GPR24: C0000001E3DC2400 C0000001E3DC2408 D0000000000422D0 C0000000021909B0
GPR28: C0000003DA7CE1A0 C0000003DA7CE000 D000000000072A80 C0000003DA7CE000
NIP [D000000000054B98] .__rxrpc_call_read_data+0x16c/0x534 [rxrpc]
LR [D000000000054B94] .__rxrpc_call_read_data+0x168/0x534 [rxrpc]
Call Trace:
[C0000001E394BC30] [D000000000054B94]
.__rxrpc_call_read_data+0x168/0x534 [rxrpc] (unreliable)
[C0000001E394BCC0] [D000000000056B78] .rxrpc_call_do_stuff+0x814/0x19d4 [rxrpc]
[C0000001E394BE50] [D00000000005A180] .rxrpc_krxiod+0x32c/0x40c [rxrpc]
[C0000001E394BF90] [C0000000000219DC] .kernel_thread+0x4c/0x68
Instruction dump:
80090000 2f800000 41be03d0 e89e8198 e87e81c0 48009cf5 e8410028 3860ff99
480003b8 e87e81c8 48009ce1 e8410028 <0fe00000> 881d0230 2f800000 409e01ac
 ==> afs_mntpt_expiry_timed_out()