Hello, I have a custom livecd with 2.6.39.4 with unionfs-2.5.10. I'm having the following kernel panic:
.... .... Starting webmin: [ OK ] [ 51.638803] BUG: unable to handle kernel NULL pointer dereference at (null) [ 51.640023] IP: [<c114e8f7>] create_parents+0x453/0x5b7 [ 51.640023] *pde = 00000000 [ 51.640023] Oops: 0002 [#1] SMP [ 51.640023] last sysfs file: /sys/block/md0/range [ 51.640023] [ 51.640023] Pid: 5326, comm: supervise Not tainted 2.6.39.3etfw #2 Bochs Bochs [ 51.640023] EIP: 0060:[<c114e8f7>] EFLAGS: 00010246 CPU: 0 [ 51.640023] EIP is at create_parents+0x453/0x5b7 [ 51.640023] EAX: 00000000 EBX: f55efe3c ECX: f414942a EDX: f5608060 [ 51.640023] ESI: f4140080 EDI: f5c53f00 EBP: 00000000 ESP: f55efd90 [ 51.640023] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [ 51.640023] Process supervise (pid: 5326, ti=f55ee000 task=f6116d80 task.ti=f55ee000) [ 51.640023] Stack: [ 51.640023] f41498a4 f4149880 f4141338 f41400a4 00000001 f4149400 00000007 00000004 [ 51.640023] 00000003 f54eb460 00000000 00000001 00000001 00000000 00000000 f54eb468 [ 51.640023] 00000000 f5c53f00 f5c4ba80 00000000 00000000 c1090fcb f55efe38 f40f3800 [ 51.640023] Call Trace: [ 51.640023] [<c1090fcb>] ? __d_lookup+0x63/0xec [ 51.640023] [<c1091073>] ? d_lookup+0x1f/0x2f [ 51.640023] [<c108a6c1>] ? __lookup_hash+0x8a/0xe3 [ 51.640023] [<c1091d1c>] ? dput+0x15/0xea [ 51.640023] [<c1153f48>] ? check_unlink_whiteout+0x92/0xac [ 51.640023] [<c114b99b>] ? unionfs_mkdir+0x115/0x2e0 [ 51.640023] [<c108b146>] ? vfs_mkdir+0x60/0xa6 [ 51.640023] [<c108dabe>] ? sys_mkdirat+0x75/0xae [ 51.640023] [<c1091d1c>] ? dput+0x15/0xea [ 51.640023] [<c108db06>] ? sys_mkdir+0xf/0x13 [ 51.640023] [<c17b8f35>] ? syscall_call+0x7/0xb [ 51.640023] Code: f4 ff 89 5c 24 14 e9 fa 00 00 00 8b 54 24 14 8b 42 20 e8 26 5f f4 ff 89 c2 8b 46 20 85 c0 75 04 0f 0b eb fe 8b 40 fc 03 44 24 38 [ 51.640023] 10 8b 46 20 39 68 d8 7e 03 89 68 d8 8b 46 20 83 e8 28 39 68 [ 51.640023] EIP: [<c114e8f7>] create_parents+0x453/0x5b7 SS:ESP 0068:f55efd90 [ 51.640023] CR2: 0000000000000000 [ 51.702715] ---[ end trace a9db966a1585bc82 ]--- [ 51.704621] Kernel panic - not syncing: Fatal exception [ 51.706660] Pid: 5326, comm: supervise Tainted: G D 2.6.39.3etfw #2 [ 51.709160] Call Trace: [ 51.710510] [<c1029fec>] ? panic+0x53/0x127 [ 51.712321] [<c100437c>] ? oops_end+0x6b/0x75 [ 51.714149] [<c10190b3>] ? no_context+0x10d/0x116 [ 51.716185] [<c10191fa>] ? bad_area+0xa/0xc [ 51.718049] [<c1019547>] ? do_page_fault+0x1af/0x342 [ 51.720127] [<c1090fcb>] ? __d_lookup+0x63/0xec [ 51.722022] [<c1019398>] ? vmalloc_fault+0xc3/0xc3 [ 51.724057] [<c17b9532>] ? error_code+0x5a/0x60 [ 51.725931] [<c1019398>] ? vmalloc_fault+0xc3/0xc3 [ 51.727945] [<c114e8f7>] ? create_parents+0x453/0x5b7 [ 51.730058] [<c1090fcb>] ? __d_lookup+0x63/0xec [ 51.731918] [<c1091073>] ? d_lookup+0x1f/0x2f [ 51.733686] [<c108a6c1>] ? __lookup_hash+0x8a/0xe3 [ 51.735571] [<c1091d1c>] ? dput+0x15/0xea [ 51.737262] [<c1153f48>] ? check_unlink_whiteout+0x92/0xac [ 51.739258] [<c114b99b>] ? unionfs_mkdir+0x115/0x2e0 [ 51.741137] [<c108b146>] ? vfs_mkdir+0x60/0xa6 [ 51.742883] [<c108dabe>] ? sys_mkdirat+0x75/0xae [ 51.744660] [<c1091d1c>] ? dput+0x15/0xea [ 51.746323] [<c108db06>] ? sys_mkdir+0xf/0x13 [ 51.748079] [<c17b8f35>] ? syscall_call+0x7/0xb [ 51.750020] Rebooting in 15 seconds. Aparently it's triggered in the deamontools start (supervise). Any ideas? Thanks, Nuno Fernandes _______________________________________________ unionfs mailing list: http://unionfs.filesystems.org/ [email protected] http://www.fsl.cs.sunysb.edu/mailman/listinfo/unionfs
