Hi, > I got this with an intentionally corrupted filesystem image. Before > mounting, I explicitly disabled continue-on-error, like this: > > tune2fs -f disk -e remount-ro > mount -o loop disk mnt > > loop0: rw=0, want=4201400, limit=24576 > Buffer I/O error on device loop0, logical block 2100699 > attempt to access beyond end of device > loop0: rw=0, want=4201400, limit=24576 > Buffer I/O error on device loop0, logical block 2100699 > EXT2-fs error (device loop0): ext2_free_blocks: Freeing blocks not in > datazone - block = 131072, count = 1 > Remounting filesystem read-only > BUG: unable to handle kernel paging request at f0f0fffc Hmm, did anybody have a look at this? If not, please file it into the bugzilla so that it doesn't get lost. You can also assign it to me or give me CC. I can have a look at it but I'm not sure when I'll have some time... > IP: [<c026ee46>] read_block_bitmap+0xc6/0x180 > *pde = 343bf163 *pte = 30f0f160 > Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC > Pid: 11241, comm: rm Not tainted (2.6.26-03415-gdf3030b #45) > EIP: 0060:[<c026ee46>] EFLAGS: 00210297 CPU: 1 > EIP is at read_block_bitmap+0xc6/0x180 > EAX: ffffffff EBX: f0f10000 ECX: f4349030 EDX: 00000001 > ESI: f3facbc8 EDI: f0f10800 EBP: f20a3d40 ESP: f20a3d10 > DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 > Process rm (pid: 11241, ti=f20a2000 task=f207cfb0 task.ti=f20a2000) > Stack: 00000400 c1fb0520 f20a3d24 c01831f5 00000008 00000000 f424ee10 00000000 > f0f10000 f0f10400 05c711f5 00000003 f20a3da8 c026f01c f3f35478 f3f35d00 > f3f351a0 f3f9ee38 00200246 f3f35000 f3eea208 00000031 00000000 00000032 > Call Trace: > [<c01831f5>] ? mark_page_accessed+0x45/0x60 > [<c026f01c>] ? ext2_free_blocks+0x11c/0x320 > [<c026efad>] ? ext2_free_blocks+0xad/0x320 > [<c0272f52>] ? ext2_free_branches+0xc2/0x1a0 > [<c0272fd3>] ? ext2_free_branches+0x143/0x1a0 > [<c014b360>] ? wake_bit_function+0x0/0x60 > [<c01c90d6>] ? __wait_on_buffer+0x26/0x30 > [<c0272fd3>] ? ext2_free_branches+0x143/0x1a0 > [<c0273552>] ? ext2_truncate+0x522/0x5b0 > [<c01c89a4>] ? mark_buffer_dirty+0x44/0x80 > [<c02726db>] ? ext2_update_inode+0x1ab/0x350 > [<c0273f07>] ? ext2_delete_inode+0x87/0x90 > [<c0273e80>] ? ext2_delete_inode+0x0/0x90 > [<c01b9ba1>] ? generic_delete_inode+0x81/0x120 > [<c01b9d67>] ? generic_drop_inode+0x127/0x180 > [<c01b8be7>] ? iput+0x47/0x50 > [<c01af1bc>] ? do_unlinkat+0xec/0x170 > [<c01b185b>] ? vfs_readdir+0x6b/0xa0 > [<c01b1540>] ? filldir64+0x0/0xf0 > [<c0430948>] ? trace_hardirqs_on_thunk+0xc/0x10 > [<c015ad76>] ? trace_hardirqs_on_caller+0x116/0x170 > [<c01af383>] ? sys_unlinkat+0x23/0x50 > [<c010407f>] ? sysenter_past_esp+0x78/0xc5 > ======================= > Code: 00 00 00 8b 45 e8 8b 1f 8b 55 e4 8b 88 ac 02 00 00 8b 41 34 0f > af 51 10 03 50 14 89 5d ec 8b 46 18 89 45 f0 89 d8 8b 5d f0 29 d0 <0f> > a3 03 19 c0 85 c0 74 11 8b 47 04 89 45 ec 29 d0 0f a3 03 19 > EIP: [<c026ee46>] read_block_bitmap+0xc6/0x180 SS:ESP 0068:f20a3d10 > Kernel panic - not syncing: Fatal exception > > $ addr2line -e vmlinux -i c026ee46 > include/asm/bitops.h:305 > fs/ext2/balloc.c:87 > fs/ext2/balloc.c:153 > > Is this one: > > if (!ext2_test_bit(offset, bh->b_data)) Honza -- Jan Kara <jack@xxxxxxx> SuSE CR Labs -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
