Got this OOPS a few times after coldstarting out board a few times: Unable to handle kernel paging request for unknown fault Faulting instruction address: 0xc020e2b4 Oops: Kernel access of bad area, sig: 11 [#1] TMCUTU Modules linked in: NIP: c020e2b4 LR: c020e274 CTR: 00000000 REGS: c7a41b40 TRAP: 0600 Not tainted (2.6.33) MSR: 00009032 <EE,ME,IR,DR> CR: 28002424 XER: 00000000 DAR: 09f52312, DSISR: 00000120 TASK = c7889940[420] 'syslogd' THREAD: c7a40000 GPR00: 09f52312 c7a41bf0 c7889940 00000000 00000002 c7a41c40 c02734ac c78acc68 GPR08: c7a41c00 c78acc00 00000000 09f5214b c796e3d4 1001f444 00000000 bfe78700 GPR16: bfe77400 bfe77ee0 bfe773f8 00000021 0ffef130 00000000 c7a41df0 00000000 GPR24: 00000000 c7a41cf0 c7a41c70 00000011 7f000001 09f5214a c034a5cc c7a41c00 NIP [c020e2b4] ip_dev_find+0x90/0xf0 LR [c020e274] ip_dev_find+0x50/0xf0 Call Trace: [c7a41bf0] [c020e274] ip_dev_find+0x50/0xf0 (unreliable) [c7a41c60] [c01dd86c] __ip_route_output_key+0x8d4/0xb00 [c7a41d50] [c01ddab8] ip_route_output_flow+0x1c/0xa0 [c7a41d60] [c01ff8a0] ip4_datagram_connect+0x17c/0x2b8 [c7a41e30] [c020a75c] inet_dgram_connect+0x5c/0xa8 [c7a41e50] [c01a5030] sys_connect+0x7c/0xcc [c7a41f00] [c01a6008] sys_socketcall+0x128/0x214 [c7a41f40] [c0011800] ret_from_syscall+0x0/0x38 --- Exception: c01 at 0xff6e004 LR = 0xfe2dac0 Instruction dump: bb810060 38210070 7c0803a6 4e800020 88010052 2f800002 409e0028 81210054 83a90068 2f9d0000 419e0018 381d01c8 <7d200028> 31290001 7d20012d 40a2fff4 ---[ end trace 0824e85bac28e7e4 ]---
gdb says: (gdb) list *0xc020e2b4 0xc020e2b4 is in ip_dev_find (/usr/local/src/BUILD/trunk/os2kernel/arch/powerpc/include/asm/atomic.h:106). 101 102 static __inline__ void atomic_inc(atomic_t *v) 103 { 104 int t; 105 106 __asm__ __volatile__( 107 "1: lwarx %0,0,%2 # atomic_inc\n\ 108 addic %0,%0,1\n" 109 PPC405_ERR77(0,%2) 110 " stwcx. %0,0,%2 \n\ gdb) disass 0xc020e2b4 0xc020e2c4 Dump of assembler code from 0xc020e2b4 to 0xc020e2c4: 0xc020e2b4 <ip_dev_find+144>: lwarx r9,0,r0 0xc020e2b8 <ip_dev_find+148>: addic r9,r9,1 0xc020e2bc <ip_dev_find+152>: stwcx. r9,0,r0 0xc020e2c0 <ip_dev_find+156>: bne- 0xc020e2b4 <ip_dev_find+144> This is on a MPC8321 CPU gcc 3.4.6 Any ideas? Jocke _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev