Date: Sun, 29 Dec 2002 12:37:46 +0100 From: Thomas Quinot <thomas@FreeBSD.ORG> To: Roman Shterenzon <roman@xpert.com> Cc: freebsd-stable@freebsd.org, sos@freebsd.org Subject: Re: cdda2wav hangs ATAPI CDR Message-ID: <20021229113745.GA90892@melusine.cuivre.fr.eu.org> In-Reply-To: <20021225212947.O15796@alchemy.oven.org> References: <20021225212947.O15796@alchemy.oven.org>
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Le 2002-12-25, Roman Shterenzon écrivait :
> 1001 15780 15044 0 -6 0 1528 872 cbwait DL+ p6 0:00.00 cdda2wav -x
Hum that looks awfully like a race condition between the CAM layer and
the ATAPI code. As a work-around you can try to reinitialize both
using 'atacontrol reinit'.
If you have no other SCSI devices, it would also be interesting if you
could try whether the enclosed patch works around this problem.
Thomas.
Index: cam_periph.c
===================================================================
RCS file: /home/ncvs/src/sys/cam/cam_periph.c,v
retrieving revision 1.24.2.2
diff -u -r1.24.2.2 cam_periph.c
--- cam_periph.c 22 Sep 2002 07:15:32 -0000 1.24.2.2
+++ cam_periph.c 29 Dec 2002 11:36:36 -0000
@@ -717,7 +717,7 @@
{
int s;
- s = splsoftcam();
+ s = splbio();
if ((ccb->ccb_h.pinfo.index != CAM_UNQUEUED_INDEX)
|| ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG))
tsleep(&ccb->ccb_h.cbfcnp, PRIBIO, "cbwait", 0);
--
Thomas.Quinot@Cuivre.FR.EU.ORG
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