On Mon, Dec 01 2003, Kevin P. Fleming wrote: > I've got a new system here with six SATA disks set up in a RAID-5 array > (no partition tables, using the whole disks). I then used LVM2 tools to > make the RAID array a physical volume, created a logical volume and > formatted that volume with an XFS filesystem. > > Mounting the filesystem and copying over the 2.6 kernel source tree > produces this OOPS (and is pretty reproducable): > > kernel BUG at fs/bio.c:177! It's doing a put on an already freed bio, that's really bad. > invalid operand: 0000 [#1] > CPU: 0 > EIP: 0060:[<c014db9a>] Not tainted > EFLAGS: 00010246 > EIP is at bio_put+0x2c/0x36 > eax: 00000000 ebx: f6221080 ecx: c1182180 edx: edcbf780 > esi: c577b998 edi: 00000002 ebp: edcbf780 esp: f78ffeb0 > ds: 007b es: 007b ss: 0068 > Process md0_raid5 (pid: 65, threadinfo=f78fe000 task=f7924080) > Stack: c71e2640 c021d88d edcbf780 00000000 00000001 c1182180 00000009 > 0001000 > edcbf780 00000000 00000000 00000000 c014e2fc edcbf780 00000000 > 00000000 > f23a0ff0 f23a0ff0 edcbf7c0 c02ca51d edcbf780 00000000 00000000 > 00000000 > Call Trace: > [<c021d88d>] bio_end_io_pagebuf+0x9a/0x138 > [<c014e2fc>] bio_endio+0x59/0x7e > [<c02ca51d>] clone_endio+0x82/0xb5 > [<c02c0dc3>] handle_stripe+0x8f2/0xec0 > [<c02c17d1>] raid5d+0x71/0x105 > [<c02c898c>] md_thread+0xde/0x15c > [<c011984b>] default_wake_function+0x0/0x12 > [<c02c88ae>] md_thread+0x0/0x15c > [<c0107049>] kernel_thread_helper+0x5/0xb Odds are it's a raid5 bug. > Hardware is a 2.6CGHz P4, 1G of RAM (4G highmem enabled), SMP kernel but > no preemption. Kernel config is at: Are you using ide or libata as the backing for the sata drives? -- Jens Axboe - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html