Jiri Kosina eac7cc52c6 floppy: destroy floppy workqueue before cleaning up the queue ... We need to first destroy the floppy_wq workqueue before cleaning up the queue. Otherwise we might race with still pending work with the workqueue, but all the block queue already gone. This might lead to various oopses, such as CPU 0 Pid: 6, comm: kworker/u:0 Not tainted 3.7.0-rc4 #1 Bochs Bochs RIP: 0010:[<ffffffff8134eef5>] [<ffffffff8134eef5>] blk_peek_request+0xd5/0x1c0 RSP: 0000:ffff88000dc7dd88 EFLAGS: 00010092 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88000f602688 RSI: ffffffff81fd95d8 RDI: 6b6b6b6b6b6b6b6b RBP: ffff88000dc7dd98 R08: ffffffff81fd95c8 R09: 0000000000000000 R10: ffffffff81fd9480 R11: 0000000000000001 R12: 6b6b6b6b6b6b6b6b R13: ffff88000dc7dfd8 R14: ffff88000dc7dfd8 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffffffff81e21000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000000 CR3: 0000000001e11000 CR4: 00000000000006f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process kworker/u:0 (pid: 6, threadinfo ffff88000dc7c000, task ffff88000dc5ecc0) Stack: 0000000000000000 0000000000000000 ffff88000dc7ddb8 ffffffff8134efee ffff88000dc7ddb8 0000000000000000 ffff88000dc7dde8 ffffffff814aef3c ffffffff81e75d80 ffff88000dc0c640 ffff88000fbfb000 ffffffff814aed90 Call Trace: [<ffffffff8134efee>] blk_fetch_request+0xe/0x30 [<ffffffff814aef3c>] redo_fd_request+0x1ac/0x400 [<ffffffff814aed90>] ? start_motor+0x130/0x130 [<ffffffff8106b526>] process_one_work+0x136/0x450 [<ffffffff8106af65>] ? manage_workers+0x205/0x2e0 [<ffffffff8106bb6d>] worker_thread+0x14d/0x420 [<ffffffff8106ba20>] ? rescuer_thread+0x1a0/0x1a0 [<ffffffff8107075a>] kthread+0xba/0xc0 [<ffffffff810706a0>] ? __kthread_parkme+0x80/0x80 [<ffffffff818b553a>] ret_from_fork+0x7a/0xb0 [<ffffffff810706a0>] ? __kthread_parkme+0x80/0x80 Code: 0f 84 c0 00 00 00 83 f8 01 0f 85 e2 00 00 00 81 4b 40 00 00 80 00 48 89 df e8 58 f8 ff ff be fb ff ff ff fe ff ff <49> 8b 1c 24 49 39 dc 0f 85 2e ff ff ff 41 0f b6 84 24 28 04 00 RIP [<ffffffff8134eef5>] blk_peek_request+0xd5/0x1c0 RSP <ffff88000dc7dd88> Reported-by: Fengguang Wu <fengguang.wu@intel.com> Tested-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Jens Axboe <axboe@kernel.dk>		2012-11-23 14:32:54 +01:00
..
aoe	aoe: update aoe-internal version number to 50	2012-10-06 03:05:30 +09:00
drbd	block: Generalized bio pool freeing	2012-09-09 10:35:38 +02:00
mtip32xx	mtip32xx:Added appropriate timeout value for secure erase	2012-10-30 08:37:27 +01:00
paride	paride/pcd: fix bool verbose module parameter.	2012-01-13 09:32:26 +10:30
xen-blkback	xen/blkback: Change xen_vbd's flush_support and discard_secure to have type unsigned int, rather than bool	2012-10-30 08:37:20 +01:00
amiflop.c	fs: move code out of buffer.c	2012-01-03 22:54:07 -05:00
ataflop.c	block: unexport DISK_EVENT_MEDIA_CHANGE for legacy/fringe drivers	2011-04-21 21:33:05 +02:00
brd.c	block: remove the second argument of k[un]map_atomic()	2012-03-20 21:48:16 +08:00
cciss_cmd.h	cciss: use new doorbell-bit-5 reset method	2011-05-06 08:23:55 -06:00
cciss_scsi.c	cciss: fix handling of protocol error	2012-09-18 11:57:08 +02:00
cciss_scsi.h	cciss: add cciss_tape_cmds module paramter	2011-05-06 08:23:59 -06:00
cciss.c	cciss: remove unneeded memset()	2012-10-30 08:36:58 +01:00
cciss.h	cciss: Adds simple mode functionality	2011-08-08 11:40:15 +02:00
cpqarray.c	drivers/block/cpqarray.c: use pci_dev->revision	2011-09-21 10:02:13 +02:00
cpqarray.h
cryptoloop.c
DAC960.c	dac960: Remove unused variables from DAC960_CreateProcEntries()	2012-05-11 16:42:14 +02:00
DAC960.h
floppy.c	floppy: destroy floppy workqueue before cleaning up the queue	2012-11-23 14:32:54 +01:00
hd.c	Remove all #inclusions of asm/system.h	2012-03-28 18:30:03 +01:00
ida_cmd.h
ida_ioctl.h
Kconfig	cciss: select CONFIG_CHECK_SIGNATURE	2012-10-30 08:37:00 +01:00
loop.c	loop: Make explicit loop device destruction lazy	2012-10-30 08:37:31 +01:00
Makefile	block: remove the deprecated ub driver	2012-09-05 17:18:53 -07:00
mg_disk.c	mg_disk: Use struct dev_pm_ops for power management	2012-07-06 19:07:00 +02:00
nbd.c	nbd: handle discard requests	2012-10-06 03:05:24 +09:00
nvme.c	PCI changes for the 3.7 merge window:	2012-10-01 12:05:36 -07:00
osdblk.c	block: Add bio_clone_bioset(), bio_clone_kmalloc()	2012-09-09 10:35:39 +02:00
pktcdvd.c	pktcdvd: Switch to bio_kmalloc()	2012-09-09 10:35:39 +02:00
ps3disk.c	block: Fix files that are modules and hence need module.h	2011-10-31 19:31:13 -04:00
ps3vram.c	Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux	2011-11-06 19:44:47 -08:00
rbd_types.h	rbd: define some new format constants	2012-10-01 14:30:53 -05:00
rbd.c	rbd: BUG on invalid layout	2012-10-01 17:20:00 -05:00
smart1,2.h	fix typos 'comamnd' -> 'command' in comments	2011-02-02 11:31:21 +01:00
sunvdc.c	powerpc+sparc/vio: Modernize driver registration	2012-03-28 11:33:24 +11:00
swim3.c	block/swim3: Locking fixes	2011-12-12 12:42:12 +01:00
swim_asm.S
swim.c	m68k/mac: cleanup forward declarations	2011-12-10 19:52:46 +01:00
sx8.c	block, sx8: fix pointer math issue getting fw version	2012-03-03 19:44:39 +01:00
umem.c	blk: pass from_schedule to non-request unplug functions.	2012-07-31 09:08:15 +02:00
umem.h
virtio_blk.c	virtio-blk: Disable callback in virtblk_done()	2012-09-28 15:05:16 +09:30
xd.c	Remove all #inclusions of asm/system.h	2012-03-28 18:30:03 +01:00
xd.h
xen-blkfront.c	workqueue: deprecate flush[_delayed]_work_sync()	2012-08-20 14:51:24 -07:00
xsysace.c	block: xsysace: Don't use NO_IRQ	2012-01-05 08:34:29 +01:00
z2ram.c	drivers/block/z2ram.c: correct printing of sector_t	2010-10-28 06:15:26 -06:00