On Mon, Nov 21, 2016 at 03:04:29PM +0100, Martin Wilck wrote: > Unloading the hpsa driver causes warnings > > [ 1063.793652] WARNING: CPU: 1 PID: 4850 at ../fs/sysfs/group.c:237 device_del+0x54/0x240() > [ 1063.793659] sysfs group ffffffff81cf21a0 not found for kobject 'port-2:0' > > with two different stacks: > 1) > [ 1063.793774] [<ffffffff81448af4>] device_del+0x54/0x240 > [ 1063.793780] [<ffffffff8145178a>] transport_remove_classdev+0x4a/0x60 > [ 1063.793784] [<ffffffff81451216>] attribute_container_device_trigger+0xa6/0xb0 > [ 1063.793802] [<ffffffffa0105d46>] sas_port_delete+0x126/0x160 [scsi_transport_sas] > [ 1063.793819] [<ffffffffa036ebcc>] hpsa_free_sas_port+0x3c/0x70 [hpsa] > > 2) > [ 1063.797103] [<ffffffff81448af4>] device_del+0x54/0x240 > [ 1063.797118] [<ffffffffa0105d4e>] sas_port_delete+0x12e/0x160 [scsi_transport_sas] > [ 1063.797134] [<ffffffffa036ebcc>] hpsa_free_sas_port+0x3c/0x70 [hpsa] > > This is caused by the fact that host device hostX is deleted before the > SAS transport devices hostX/port-a:b. > > This patch fixes this by reverting the order of device deletions. > > References: bsc#1010946 > Signed-off-by: Martin Wilck <mwilck@xxxxxxx> > --- With the References changed to the bug link like in patch 1/2 Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx> -- Johannes Thumshirn Storage jthumshirn@xxxxxxx +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850 -- 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
