And a crash when using unmap_granularity=1 when using the discard-enable mkfs.xfs binary from xfsprogs-dev.git: qemu1:~/xfsprogs-dev# ./mkfs/mkfs.xfs -f /dev/sdb [ 53.562041] BUG: unable to handle kernel paging request at fcc80000 [ 53.563812] IP: [<c070fbb7>] unmap_region+0xc7/0x120 [ 53.564091] *pde = 36fd0067 *pte = 00000000 [ 53.564091] Oops: 0002 [#1] SMP [ 53.564091] last sysfs file: /sys/block/sr0/dev [ 53.564091] Modules linked in: [ 53.564091] [ 53.564091] Pid: 184, comm: kblockd/0 Not tainted (2.6.32-rc5-xfs #414) [ 53.564091] EIP: 0060:[<c070fbb7>] EFLAGS: 00010046 CPU: 0 [ 53.564091] EIP is at unmap_region+0xc7/0x120 [ 53.564091] EAX: 00020000 EBX: 0001ffff ECX: 00020000 EDX: fcc7c000 [ 53.564091] ESI: 00000000 EDI: 00000001 EBP: f7959ca4 ESP: f7959c54 [ 53.564091] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 53.564091] Process kblockd/0 (pid: 184, ti=f7958000 task=f7956f40 task.ti=f7958000) [ 53.564091] Stack: [ 53.564091] 00020000 00000000 00000000 00000000 00000000 00000000 00020000 00000000 [ 53.564091] <0> 00020000 00000000 fcc7c000 00000001 00000000 00020000 00000000 00000001 [ 53.564091] <0> 00000000 00000001 00000000 00000000 f7959eb0 c0715156 00020000 f792c200 [ 53.564091] Call Trace: [ 53.564091] [<c0715156>] ? scsi_debug_queuecommand+0x1786/0x19b0 [ 53.564091] [<c0131f58>] ? sched_clock+0x8/0x10 [ 53.564091] [<c0182412>] ? sched_clock_local+0xd2/0x170 [ 53.564091] [<c06e8c80>] ? scsi_done+0x0/0x10 [ 53.564091] [<c0182412>] ? sched_clock_local+0xd2/0x170 [ 53.564091] [<c01825d8>] ? sched_clock_cpu+0x128/0x170 [ 53.564091] [<c0191023>] ? __lock_acquire+0x2e3/0x1270 [ 53.564091] [<c0191023>] ? __lock_acquire+0x2e3/0x1270 [ 53.564091] [<c06e8e44>] ? scsi_dispatch_cmd+0xa4/0x250 [ 53.564091] [<c0893af6>] ? _spin_lock_irqsave+0x76/0x90 [ 53.564091] [<c06e8e89>] ? scsi_dispatch_cmd+0xe9/0x250 [ 53.564091] [<c06eed5e>] ? scsi_request_fn+0x38e/0x4d0 [ 53.564091] [<c0651739>] ? __generic_unplug_device+0x29/0x30 [ 53.564091] [<c0651761>] ? generic_unplug_device+0x21/0x30 [ 53.564091] [<c06499a5>] ? blk_unplug_work+0x35/0x40 [ 53.564091] [<c0178785>] ? worker_thread+0x195/0x290 [ 53.564091] [<c0178720>] ? worker_thread+0x130/0x290 [ 53.564091] [<c0649970>] ? blk_unplug_work+0x0/0x40 [ 53.564091] [<c017c810>] ? autoremove_wake_function+0x0/0x50 [ 53.564091] [<c01785f0>] ? worker_thread+0x0/0x290 [ 53.564091] [<c017c504>] ? kthread+0x74/0x80 [ 53.564091] [<c017c490>] ? kthread+0x0/0x80 [ 53.564091] [<c012d4c7>] ? kernel_thread_helper+0x7/0x10 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
