Dan Williams 5d7f6d1071 [SCSI] libsas: fix sas_unregister_ports vs sas_drain_work ... We need to hold drain_mutex across the unregistration as port down events queue device removal as chained events, so we need to make sure no other drainers are active. [ 1118.673968] WARNING: at kernel/workqueue.c:996 __queue_work+0x11a/0x326() [ 1118.681982] Hardware name: S2600CP [ 1118.686193] Modules linked in: isci(-) libsas scsi_transport_sas nls_utf8 ipv6 uinput sg iTCO_wdt iTCO_vendor_support i2c_i801 i2c_core ioatdma dca sd_mod sr_mod cdrom ahci libahci libata [last unloaded: scsi_transport_sas] [ 1118.709893] Pid: 6831, comm: rmmod Not tainted 3.2.0-isci+ #1 [ 1118.716727] Call Trace: [ 1118.719867] [<ffffffff8103e9f5>] warn_slowpath_common+0x85/0x9d [ 1118.727000] [<ffffffff8103ea27>] warn_slowpath_null+0x1a/0x1c [ 1118.733942] [<ffffffff81056d44>] __queue_work+0x11a/0x326 [ 1118.740481] [<ffffffff81056f99>] queue_work_on+0x1b/0x22 [ 1118.746925] [<ffffffff81057106>] queue_work+0x37/0x3e [ 1118.753105] [<ffffffffa0120e05>] ? sas_discover_event+0x55/0x82 [libsas] [ 1118.761094] [<ffffffff813217c3>] scsi_queue_work+0x42/0x44 [ 1118.767717] [<ffffffffa0120e19>] sas_discover_event+0x69/0x82 [libsas] [ 1118.775509] [<ffffffffa0120f5b>] sas_unregister_dev+0xc3/0xcc [libsas] [ 1118.783319] [<ffffffffa0120fae>] sas_unregister_domain_devices+0x4a/0xc8 [libsas] [ 1118.792731] [<ffffffffa0120071>] sas_deform_port+0x60/0x1a6 [libsas] [ 1118.800339] [<ffffffffa01201ea>] sas_unregister_ports+0x33/0x44 [libsas] [ 1118.808342] [<ffffffffa011f7e5>] sas_unregister_ha+0x41/0x6b [libsas] [ 1118.816055] [<ffffffffa0134055>] isci_unregister+0x22/0x4d [isci] [ 1118.823384] [<ffffffffa0143040>] isci_pci_remove+0x2e/0x60 [isci] Reported-by: Jacek Danecki <jacek.danecki@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>		2012-02-29 15:27:09 -06:00
..
Kconfig	[SCSI] libsas: convert to standard kernel debugging	2011-01-24 12:05:38 -06:00
Makefile	Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6	2011-03-20 18:14:55 -07:00
sas_ata.c	[SCSI] libsas: fix mixed topology recovery	2012-02-29 15:23:24 -06:00
sas_discover.c	[SCSI] libsas: close scsi_remove_target() vs libata-eh race	2012-02-29 15:22:25 -06:00
sas_dump.c	[SCSI] libsas: convert to standard kernel debugging	2011-01-24 12:05:38 -06:00
sas_dump.h	[SCSI] libsas: convert to standard kernel debugging	2011-01-24 12:05:38 -06:00
sas_event.c	[SCSI] libsas: fix sas_unregister_ports vs sas_drain_work	2012-02-29 15:27:09 -06:00
sas_expander.c	[SCSI] libsas: fix sas_find_local_phy(), take phy references	2012-02-29 13:01:06 -06:00
sas_host_smp.c	[SCSI] libsas: route local link resets through ata-eh	2012-02-29 15:25:32 -06:00
sas_init.c	[SCSI] libsas: fix sas_unregister_ports vs sas_drain_work	2012-02-29 15:27:09 -06:00
sas_internal.h	[SCSI] libsas: fix sas_unregister_ports vs sas_drain_work	2012-02-29 15:27:09 -06:00
sas_phy.c	[SCSI] libsas: replace event locks with atomic bitops	2012-02-19 13:41:04 -06:00
sas_port.c	[SCSI] libsas: mark all domain devices gone if root port disappears	2012-02-29 15:20:55 -06:00
sas_scsi_host.c	[SCSI] libsas: fix mixed topology recovery	2012-02-29 15:23:24 -06:00
sas_task.c	scsi: Add export.h for EXPORT_SYMBOL/THIS_MODULE as required	2011-10-31 19:31:23 -04:00