Subject: Re: dev/scsipi/ch.c:chattach() fix ? (and approval for commit?)
To: Stoned Elipot <email@example.com>
From: Manuel Bouyer <firstname.lastname@example.org>
Date: 06/16/2004 12:03:59
On Wed, Jun 16, 2004 at 01:37:53AM +0200, Stoned Elipot wrote:
> On Tue, Jun 15, 2004 at 10:49:08PM +0200, Manuel Bouyer wrote:
> > I think this just hides the problem. We should find why we don't get an error
> > while the data was not updated. I suspect it's related to a Unit Attention
> > condition that would be cleared by the scsipi_test_unit_ready(), but I
> > don't see how it could be a problem.
> > Can you test the attached patch ? It should emit messages when a command ends
> > with Unit Attention and has XS_CTL_IGNORE_MEDIA_CHANGE set, and another
> > message when such a command is restarted.
> Well this does not solve the original "problem".
It shouldn't, it just add diagnostic printfs.
> Here is what your patch does:
> NetBSD 2.0_BETA (GENERIC) #1: Wed Jun 16 00:33:34 CEST 2004
> sd1 at scsibus0 target 1 lun 0: <SEAGATE, ST336706LC, 010A> disk fixed
> sd1(esiop0:0:1:0): got Unit Attention, returning ERESTART
> sd1(esiop0:0:1:0): restarting command
> sd1: 35003 MB, 26302 cyl, 4 head, 681 sec, 512 bytes/sect x 71687370 sectors
> cd0(esiop0:0:6:0): restarting command
> ch0 at scsibus1 target 4 lun 0: <QUALSTAR, RLS-4221, 0047> changer removable
> ch0: 0 slots, 0 drives, 0 pickers, 0 portals
No "got Unit Attention, returning ERESTART" or "restarting command" for
Can you see if with your patch, these messages appear for ch0 ?
Manuel Bouyer <email@example.com>
NetBSD: 26 ans d'experience feront toujours la difference