Date: Tue, 22 Jan 2008 23:32:41 -0700 From: Scott Long <scottl@samsco.org> To: =?ISO-8859-1?Q?Eirik_=D8verby?= <ltning@anduin.net> Cc: Anders Gulden Olstad <andersgo@anduin.net>, scottl@freebsd.org, freebsd-sparc64@freebsd.org, freebsd-stable@freebsd.org, Marius Strobl <marius@alchemy.franken.de> Subject: Re: 7.0 RC1/SPARC64 panic in boot Message-ID: <4796DF89.20507@samsco.org> In-Reply-To: <7E2FDA21-4026-4610-B5BC-BE4CB81AD0A1@anduin.net> References: <47947299.5000902@anduin.net> <02783148-323B-435C-9FAF-6DADAA0C526D@anduin.net> <20080122182306.GA42286@alchemy.franken.de> <7E2FDA21-4026-4610-B5BC-BE4CB81AD0A1@anduin.net>
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[-- Attachment #1 --]
Eirik Øverby wrote:
> On Jan 22, 2008, at 7:23 PM, Marius Strobl wrote:
>
>> On Tue, Jan 22, 2008 at 07:16:16AM +0100, Eirik verby wrote:
>>> Hi list,
>>>
>>> by disabling the isp driver (set hint.isp.o.disabled=1), the system
>>> comes up. This of course denies us access to the external disk array
>>> hosted by the internal QLogic controller, but pinpoints the problem.
>>>
>>> We tried setting hint.isp.0.prefer_iomap=1, which made no difference
>>> (though by reading the code, I don't see that it ever used this).
>>>
>>> Can anyone help us out here?
>>
>> Scott, could this be due to a missing MFC of isp_sbus.c rev. 1.36?
>
> If that would be the case I'd be most happy to hear that. I'll also be
> more than happy to test, and can do so on relatively short notice (at
> least for another few hours).
>
> We have, for the record, gone through some basic troubleshooting:
> Replaced memory (as this error also can show up under Solaris and is
> usually an indicator of bad memory), replaced SCSI controller with
> another one (still isp driven), and testing various device hints -
> suffice to say we have wasted our time so far ;)
>
Are you able to compile a new kernel without having to install first?
if so, apply the attached patch and let me know if it works.
Scott
[-- Attachment #2 --]
Index: isp_sbus.c
===================================================================
RCS file: /usr1/ncvs/src/sys/dev/isp/isp_sbus.c,v
retrieving revision 1.35
retrieving revision 1.36
diff -u -r1.35 -r1.36
--- isp_sbus.c 11 May 2007 13:47:28 -0000 1.35
+++ isp_sbus.c 5 Nov 2007 11:22:18 -0000 1.36
@@ -29,7 +29,7 @@
*/
#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/sys/dev/isp/isp_sbus.c,v 1.35 2007/05/11 13:47:28 mjacob Exp $");
+__FBSDID("$FreeBSD: src/sys/dev/isp/isp_sbus.c,v 1.36 2007/11/05 11:22:18 scottl Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -327,21 +327,26 @@
/*
* Make sure we're in reset state.
*/
+ ISP_LOCK(isp);
isp_reset(isp);
if (isp->isp_state != ISP_RESETSTATE) {
isp_uninit(isp);
+ ISP_UNLOCK(isp);
goto bad;
}
isp_init(isp);
if (isp->isp_role != ISP_ROLE_NONE && isp->isp_state != ISP_INITSTATE) {
isp_uninit(isp);
+ ISP_UNLOCK(isp);
goto bad;
}
isp_attach(isp);
if (isp->isp_role != ISP_ROLE_NONE && isp->isp_state != ISP_RUNSTATE) {
isp_uninit(isp);
+ ISP_UNLOCK(isp);
goto bad;
}
+ ISP_UNLOCK(isp);
return (0);
bad:
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