Hello,
I am running pSoS skin with Xenomai 2.5.3 and kernel 2.6.33.4 on powerpc
cpu: MPC870, sometimes the kernel crashes with dump informaion:
load_------------[ cut here ]------------
kernel BUG at fs/buffer.c:1271!
Oops: Exception in kernel mode, sig: 5 [#1]
RxT-Carrier
load_------------[ cut here ]------------
kernel BUG at fs/buffer.c:1271!
Oops: Exception in kernel mode, sig: 5 [#1]
RxT-Carrier
Modules linked in: xeno_psos
NIP: c00d6608 LR: c00d682c CTR: c010ff78
REGS: c1a15ba0 TRAP: 0700 Not tainted (2.6.33.4)
MSR: 00029032 <EE,ME,CE,IR,DR> CR: 44820442 XER: 20000000
TASK = c190ed60[348] 'MAIN' THREAD: c1a14000
GPR00: 00000001 c1a15c50 c190ed60 c14021a0 00040002 00001000 00000080
00004000
GPR08: 00000fff c0390000 00000000 02000400 44820442 109eb2a0 01ffe800
01ff50a0
GPR16: 01fd05d8 01ff507c ffffff9c c1a15e64 fffffff4 c03b0000 c1a15d98
c1a15da0
GPR24: c14a72c0 c1942d80 00040002 c14021a0 c14a7cd0 00001000 c0394ae0
c193ec00
NIP [c00d6608] __find_get_block+0x28/0x22c
LR [c00d682c] __getblk+0x20/0x220
Call Trace:
[c1a15c50] [20000000] 0x20000000 (unreliable)
[c1a15ca0] [c00d682c] __getblk+0x20/0x220
[c1a15cd0] [c0105e90] __ext3_get_inode_loc+0xe4/0x364
[c1a15d00] [c0109d08] ext3_iget+0x60/0x56c
[c1a15d30] [c010dbd0] ext3_lookup+0xf8/0x164
[c1a15d60] [c00bb270] do_lookup+0x1b4/0x210
[c1a15d90] [c00bccfc] link_path_walk+0x564/0xbfc
[c1a15df0] [c00bd3dc] path_walk+0x48/0xcc
[c1a15e20] [c00bd550] do_path_lookup+0x64/0x6c
[c1a15e40] [c00be370] do_filp_open+0xd8/0x9a8
[c1a15f10] [c00afff4] do_sys_open+0x64/0x130
[c1a15f40] [c000f8a0] ret_from_syscall+0x0/0x38
Instruction dump:
813f000c 4bffffac 7c0802a6 9421ffb0 7d800026 bf210034 90010054 91810030
3d20c039 80094ae0 3bc94ae0 540007fe <0f000000> 38000008 7c0903a6 3d20c039
---[ end trace f21c6826c169a5b9 ]---Also the following issue happens: ------------[ cut here ]------------ Badness at kernel/softirq.c:143 NIP: c0022df8 LR: c0251a88 CTR: c0222650 REGS: c1a31b10 TRAP: 0700 Not tainted (2.6.33.4) MSR: 00029032 <EE,ME,CE,IR,DR> CR: 42008442 XER: 20000000 TASK = c190e940[348] 'MAIN' THREAD: c1a30000 GPR00: 00000001 c1a31bc0 c190e940 00000000 00000004 0000000f 00000001 00000001 GPR08: 00000000 c03b9860 00000001 00000000 000367ad 109eacd0 ac1f025d 00000000 GPR16: 00000000 00000000 00004e20 00000000 ac1f025d 00000000 00000000 0000000c GPR24: 0000cba8 00004000 00000000 c1876800 c1929600 c1839c80 c182f84c c1a30000 NIP [c0022df8] local_bh_enable+0x30/0xa8 LR [c0251a88] dev_queue_xmit+0x110/0x48c Call Trace: [c1a31bc0] [c1839c80] 0xc1839c80 (unreliable) [c1a31bd0] [c0251a88] dev_queue_xmit+0x110/0x48c [c1a31c00] [c026de34] ip_finish_output+0xfc/0x314 [c1a31c20] [c026e0d0] ip_local_out+0x34/0x48 [c1a31c30] [c026e364] ip_push_pending_frames+0x280/0x39c [c1a31c60] [c028cbec] udp_push_pending_frames+0x128/0x3e4 [c1a31c90] [c028e290] udp_sendmsg+0x2f8/0x5dc [c1a31d40] [c0295384] inet_sendmsg+0x4c/0x78 [c1a31d60] [c023cae8] sock_sendmsg+0x90/0xc8 [c1a31e30] [c023d60c] sys_sendto+0xbc/0xf0 [c1a31f00] [c023e738] sys_socketcall+0x17c/0x204 [c1a31f40] [c000f8a0] ret_from_syscall+0x0/0x38 Instruction dump: 7c0802a6 9421fff0 93e1000c 90010014 543f0024 801f000c 740903ff 41820064 3d20c03c 39299860 89690042 69600001 <0f000000> 2f8b0000 419e0064 813f000c Does anyone experience the problem or have idea about the problem? Thanks. Best regards, Wenyi Gao
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