Date: Fri, 31 Mar 2006 06:20:23 GMT From: Andrew Belashov <bel@orel.ru> To: freebsd-sparc64@FreeBSD.org Subject: Re: sparc64/94778: panic in intr_fast() Message-ID: <200603310620.k2V6KNb5028002@freefall.freebsd.org>
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The following reply was made to PR sparc64/94778; it has been noted by GNATS. From: Andrew Belashov <bel@orel.ru> To: bug-followup@FreeBSD.org Cc: Subject: Re: sparc64/94778: panic in intr_fast() Date: Fri, 31 Mar 2006 10:12:58 +0400 With following workaround the kernel does not a panic: --- interrupt.S.diff begins here --- --- sys/sparc64/sparc64/interrupt.S.orig Sat Apr 16 19:05:56 2005 +++ sys/sparc64/sparc64/interrupt.S Thu Mar 30 13:35:18 2006 @@ -159,7 +159,7 @@ ret restore -2: wrpr %g0, PSTATE_NORMAL, %pstate +2: /* wrpr %g0, PSTATE_NORMAL, %pstate */ ldx [%l0 + IR_NEXT], %l1 brnz,pt %l1, 3f --- interrupt.S.diff ends here --- Whether it is necessary to do interrupt handler queue operations (add to queue/remove from queue) as atomic? -- Andrew Belashov
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