I also got a kernel oops trying to umount the filesystem in question. Here's the output from xmon:
[c000001e0a7f7220] c0000000000d4ca4 .mpage_writepages+0x220/0xb04 (unreliable) [c000001e0a7f74b0] d0000000003365dc .jfs_writepages+0x1c/0x34 [jfs] [c000001e0a7f7530] c00000000007db2c .do_writepages+0x58/0x80 [c000001e0a7f75b0] c000000000077790 .__filemap_fdatawrite_range+0x9c/0xb8 [c000001e0a7f76b0] c0000000000777f4 .filemap_fdatawrite+0x1c/0x2c [c000001e0a7f7730] d00000000034cb78 .dbSync+0x510/0x59c [jfs] [c000001e0a7f7890] d00000000034ccf8 .dbUnmount+0xf4/0xf8 [jfs] [c000001e0a7f7920] d00000000033aa04 .jfs_umount+0xe8/0x1b0 [jfs] [c000001e0a7f79c0] d00000000033511c .jfs_put_super+0x20/0x88 [jfs] [c000001e0a7f7a40] c0000000000ae050 .generic_shutdown_super+0x2b0/0x30c [c000001e0a7f7ae0] c0000000000ae0d0 .kill_block_super+0x24/0x58 [c000001e0a7f7b70] c0000000000ae2c4 .deactivate_super+0xc0/0x120 [c000001e0a7f7c00] c0000000000cd344 .__mntput+0x3c/0x58 [c000001e0a7f7c90] c0000000000b828c .path_release_on_umount+0x74/0x8c [c000001e0a7f7d20] c0000000000ce984 .sys_umount+0xd8/0x5b0 [c000001e0a7f7e30] c000000000010600 syscall_exit+0x0/0x18 --- Exception: c01 (System Call) at 000000000ff7c3d0 SP (ffffe1b0) is in userspace Sonny On Wed, Sep 15, 2004 at 03:02:11PM -0500, Santhosh Rao wrote: > Shaggy, have you ever seen an error like this? Is it a problem with the > device/low-level scsi stuff or with JFS (I'm not sure I completely trust > the device driver here) ? > > Kernel is 2.6.9-rc1 running on a 16-way p690 LPAR with 112 Raid-0 arrays. > > > > > ERROR: (device sdbf): dtReadFirst: btstack overrun > btstack dump: > bn = 0, index = 0 > bn = 40001, index = 0 > bn = 0, index = 0 > bn = 40001, index = 0 > bn = 0, index = 0 > bn = 40001, index = 0 > bn = 0, index = 0 > bn = 1b5b30306d0ace90, index = 0 > SCSI error : <11 0 0 6> return code = 0x8000002 > Current sdbf: sense = 70 4 > ASC=84 ASCQ= 0 > Raw sense data:0x70 0x00 0x04 0x00 0x00 0x00 0x00 0x98 0x00 0x00 0x00 0x00 > 0x84 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x01 0x00 0x00 0x00 0x00 0x00 0x00 > 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x88 0x0d 0x00 0x99 0x99 0x99 0x99 0x28 > 0x00 0x00 0x20 0x00 0x08 0x00 0x00 0x08 0x00 0x00 0x00 0x00 0x31 0x54 0x32 > 0x33 0x31 0x34 0x38 0x36 0x34 0x31 0x20 0x20 0x20 0x20 0x20 0x20 0x05 0x40 > 0x06 0x00 0x00 0x06 0x04 0x00 0x0a 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 > 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 > end_request: I/O error, dev sdbf, sector 2097160 > Buffer I/O error on device sdbf, logical block 262145 > > > Sonny _______________________________________________ Jfs-discussion mailing list [EMAIL PROTECTED] http://www-124.ibm.com/developerworks/oss/mailman/listinfo/jfs-discussion
