[dm-devel] further testing w/ multipath ... and bugs

[christophe varoqui]

> > qla2300 0000:05:0d.0: LOOP DOWN detected.
> > Debug: sleeping function called from invalid context at include/linux/rwsem.h:43
> > in_atomic():1, irqs_disabled():1
> >  [<c0120a74>] __might_sleep+0xa4/0xc0
> >  [<c026a466>] device_for_each_child+0x26/0x80
> >  [<c02b3180>] target_block+0x0/0x30
> >  [<c02bbdae>] fc_remote_port_block+0x2e/0x60
> >  [<c02bdbf5>] qla2x00_mark_all_devices_lost+0x55/0x60
> >  [<c02c597e>] qla2x00_async_event+0x83e/0xd60
> >  [<c011dd2b>] find_busiest_group+0xbb/0x310
> >  [<c02cdce4>] sd_rw_intr+0x164/0x320
> >  [<c02c4e37>] qla2300_intr_handler+0x77/0x240
> >  [<c0144882>] handle_IRQ_event+0x32/0x70
> 
> Without wanting to making a number of large changes to the qla2xxx
> internals to deal with these pre-qualifications, could you try the
> following patch (lightly tested with latest linus git tree).  
> 
> We'll need to update the fc_remote_port docs in order to account for
> this semantic change in device_for_each_child().
> 
Indeed, it fixed this bug. Thanks for the prompt fix.

This leaves us with DM related bugs only :/

Regards,
-- 
christophe varoqui <christophe.varoqui at free.fr>