Can any help diagnose what my userspace task is doing to get the followings oops ?
[ 42.587772] Unable to handle kernel paging request at virtual address bfac6004 [ 42.595431] pgd = cf748000 [ 42.598291] [bfac6004] *pgd=00000000 [ 42.602079] Internal error: Oops: 5 [#1] ARM [ 42.606592] CPU: 0 Not tainted (3.8.0-next-20130225-00001-g2d0ce24-dirty #38) [ 42.614509] PC is at unmap_single_vma+0x2d8/0x5bc [ 42.619476] LR is at unmap_single_vma+0x29c/0x5bc [ 42.624447] pc : [<c00aed0c>] lr : [<c00aecd0>] psr: 60000013 [ 42.624447] sp : cf685d88 ip : 8f9523cd fp : cf680004 [ 42.636567] r10: 00000000 r9 : bfac6000 r8 : 00200000 [ 42.642079] r7 : cf685e00 r6 : cf5e93a8 r5 : cf5e93ac r4 : 000ea000 [ 42.648969] r3 : 00000001 r2 : 00000000 r1 : 00000040 r0 : 00000000 [ 42.655864] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 42.663400] Control: 10c5387d Table: 8f748019 DAC: 00000015 [ 42.669467] Process rdserver (pid: 673, stack limit = 0xcf684238) [ 42.675902] Stack: (0xcf685d88 to 0xcf686000) [ 42.680507] 5d80: cf2ff06c cf5a28b8 cf2ff040 00000000 8f9523cd cf680000 [ 42.689145] 5da0: 0021d000 0021cfff c0c8ea80 00000000 ffffff35 00000000 f451edbe cf5a28b8 [ 42.697786] 5dc0: ffffffff cf685e00 00000000 00000000 cf6716e8 cf2ff040 cf5956c0 c00af730 [ 42.706421] 5de0: 00000000 cf5a58c0 cf5a2548 cf2ff040 cf685e00 cf301c80 cf5a58c0 c00b5884 [ 42.715061] 5e00: cf2ff040 00000001 00000000 00000080 00000000 000000d2 00000400 cf796000 [ 42.723698] 5e20: cf301c80 cf5a58c0 cf6716e8 cf2ff040 cf5956c0 c0402400 60000013 cf2ff090 [ 42.732338] 5e40: cf2ff060 cf2ff040 00000000 cf684000 cf301c80 c00364d4 cf2ff040 cf671340 [ 42.740975] 5e60: cf684000 c00ccb90 cf60ae40 cf301c80 cf60aea4 cf685e88 cf60ae74 cf684000 [ 42.749616] 5e80: 00000001 c010a29c cf301c80 00000080 00000000 cf301d80 0000000d 00000000 [ 42.758252] 5ea0: cf684000 cf55cd80 00000001 c057dd34 cf684000 c0109774 000002a1 c0075390 [ 42.766892] 5ec0: 00000002 00000000 00000000 c00cd260 00000000 00000000 cf671340 c057dd18 [ 42.775529] 5ee0: 00000002 00000000 c057dd18 cf301c80 fffffff8 00000000 c057e674 c057dd34 [ 42.784164] 5f00: cf684000 c010a05c 000002a1 c00cd24c 00000001 00000000 c00cd19c befff000 [ 42.792800] 5f20: cf684000 00000001 00000001 cf684000 00000001 cf6c4128 00000001 cf301c80 [ 42.801439] 5f40: becefdbc becef378 00000000 c00cd790 00000001 00000000 c00cd40c 00000ff0 [ 42.810074] 5f60: cf5a590c cf5a58c0 cf671560 00000000 00000000 cf343000 becefdbc becef378 [ 42.818710] 5f80: 0000000b c0013968 cf684000 00000000 becef3a0 c00cda98 becef3b4 00000000 [ 42.827346] 5fa0: becefbec c00137c0 becef3b4 00000000 0021c8f0 becef378 becefdbc b6ead190 [ 42.835981] 5fc0: becef3b4 00000000 becefbec 0000000b 00000000 0001f300 00000000 becef3a0 [ 42.844616] 5fe0: becef384 becef370 b6e97c7c b6e6ae88 60000010 0021c8f0 00000000 00000000 [ 42.853266] [<c00aed0c>] (unmap_single_vma+0x2d8/0x5bc) from [<c00af730>] (unmap_vmas+0x54/0x68) [ 42.862552] [<c00af730>] (unmap_vmas+0x54/0x68) from [<c00b5884>] (exit_mmap+0xd0/0x1f4) [ 42.871106] [<c00b5884>] (exit_mmap+0xd0/0x1f4) from [<c00364d4>] (mmput+0x34/0xb8) [ 42.879202] [<c00364d4>] (mmput+0x34/0xb8) from [<c00ccb90>] (flush_old_exec+0x240/0x4c8) [ 42.887849] [<c00ccb90>] (flush_old_exec+0x240/0x4c8) from [<c010a29c>] (load_elf_binary+0x240/0x1204) [ 42.897687] [<c010a29c>] (load_elf_binary+0x240/0x1204) from [<c00cd24c>] (search_binary_handler+0xe4/0x1f4) [ 42.908075] [<c00cd24c>] (search_binary_handler+0xe4/0x1f4) from [<c00cd790>] (do_execve+0x434/0x4ec) [ 42.917816] [<c00cd790>] (do_execve+0x434/0x4ec) from [<c00cda98>] (sys_execve+0x30/0x44) [ 42.926465] [<c00cda98>] (sys_execve+0x30/0x44) from [<c00137c0>] (ret_fast_syscall+0x0/0x3c) [ 42.935472] Code: 0affffa4 e59d000c e3500000 1a0000a2 (e5993004) [ 42.941912] ---[ end trace 8e32e7f68f5ea19a ]--- Cheers Mark J. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
