Date: Tue, 28 Aug 2001 16:32:11 -0600 From: "Kenneth D. Merry" <ken@kdm.org> To: Thomas Quinot <thomas@cuivre.fr.eu.org> Cc: =?iso-8859-1?Q?G=E9rard_Roudier?= <groudier@free.fr>, stable@FreeBSD.ORG, scsi@FreeBSD.ORG Subject: Re: Failure to attach SCSI CD burner Message-ID: <20010828163211.A32009@panzer.kdm.org> In-Reply-To: <20010829000834.A22196@melusine.cuivre.fr.eu.org>; from thomas@cuivre.fr.eu.org on Wed, Aug 29, 2001 at 12:08:34AM %2B0200 References: <20010827135440.A21092@panzer.kdm.org> <20010828212323.J1476-100000@gerard> <20010829000834.A22196@melusine.cuivre.fr.eu.org>
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On Wed, Aug 29, 2001 at 00:08:34 +0200, Thomas Quinot wrote:
> Le 2001-08-28, Gérard Roudier écrivait :
>
> >>>>> (cd0:sym0:0:2:0): autosense is NOT valid
> >>>>> (cd0:sym0:0:2:0): flags = 0x40 status = 0x4c
> >>>>> (cd0:sym0:0:2:0): got CAM status 0x4c
> >>>>> (cd0:sym0:0:2:0): fatal error, failed to attach to device
> >>>>> (cd0:sym0:0:2:0): lost device
> >>>>> (cd0:sym0:0:2:0): removing device entry
>
> > It would have been fine to also display out the actual value of the scsi
> > status returned by the device. Being 100% sure is far better than only
> > 99%. :)
> > Let me suggest Thomas to add such a trace to scsi_cd.c and to give another
> > try with his CD burner.
>
> Hum... You are crediting me with more knowledge of the SCSI subsystem's
> internals than I deserve ;) Do you mean that I should trace the status
> in sym_sir_bad_scsi_status? As far as scsi_cd is concerned, Kenneth's
> patch did already trace status = done_ccb->ccb_h.status (2nd line of
> output above.)
Apply the attached patch in place of the one I gave you before and send the
output when you boot. This will print out the SCSI status byte.
This problem is happening with a bad CD-R, right?
Ken
--
Kenneth Merry
ken@kdm.org
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==== //depot/FreeBSD-ken-RELENG_4/src/sys/cam/scsi/scsi_cd.c#4 - /usr/home/ken/perforce/FreeBSD-ken-RELENG_4/src/sys/cam/scsi/scsi_cd.c ====
*** /tmp/tmp.2660.0 Tue Aug 28 16:30:27 2001
--- /usr/home/ken/perforce/FreeBSD-ken-RELENG_4/src/sys/cam/scsi/scsi_cd.c Tue Aug 28 16:29:45 2001
***************
*** 1699,1707 ****
if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
|| ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
! || ((status & CAM_AUTOSNS_VALID) == 0))
have_sense = FALSE;
! else
have_sense = TRUE;
if (have_sense) {
--- 1699,1722 ----
if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
|| ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
! || ((status & CAM_AUTOSNS_VALID) == 0)) {
! if (status & CAM_AUTOSNS_VALID) {
! xpt_print_path(periph->path);
! printf("autosense is valid\n");
! } else {
! xpt_print_path(periph->path);
! printf("autosense is NOT "
! "valid\n");
! }
! xpt_print_path(periph->path);
! printf("flags = %#x status = %#x\n",
! csio->ccb_h.flags, status);
! xpt_print_path(periph->path);
! printf("SCSI status = %#x\n",
! csio->scsi_status);
!
have_sense = FALSE;
! } else
have_sense = TRUE;
if (have_sense) {
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