Date: Thu, 15 May 2008 18:06:38 +0200 (CEST) From: Ulrich Spörlein <uspoerlein@gmail.com> To: FreeBSD-gnats-submit@FreeBSD.org Cc: njl@FreeBSD.org, gavin@FreeBSD.org, rpaulo@FreeBSD.org Subject: kern/123705: REGRESSION: acpi_cpu.c rev 1.57.2.4 broke booting on SuperMicro X7DBP Message-ID: <200805151606.m4FG6ckJ061320@coyote.spoerlein.net> Resent-Message-ID: <200805151610.m4FGA03t085837@freefall.freebsd.org>
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>Number: 123705 >Category: kern >Synopsis: REGRESSION: acpi_cpu.c rev 1.57.2.4 broke booting on SuperMicro X7DBP >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu May 15 16:10:00 UTC 2008 >Closed-Date: >Last-Modified: >Originator: Ulrich Spörlein >Release: FreeBSD 6.3-STABLE i386 >Organization: >Environment: >Description: The MFC of rev. 1.67 to RELENG_6 leads to a panic upon boot. See http://lists.freebsd.org/pipermail/freebsd-stable/2008-May/042439.html for an unsuccessful try. Here are ACPI dumps: http://www.spoerlein.net/pub/X7DBP.asl http://www.spoerlein.net/pub/X7DBP.dsdt >How-To-Repeat: You would need the Hardware+BIOS version in question. I can test patches for the next 7-10 days only. >Fix: Deactivate _OSC :/ --- acpi.diff begins here --- Index: sys/dev/acpica/acpi_cpu.c =================================================================== RCS file: /data/ncvs/src/sys/dev/acpica/acpi_cpu.c,v retrieving revision 1.57.2.8 diff -u -r1.57.2.8 acpi_cpu.c --- sys/dev/acpica/acpi_cpu.c 17 Mar 2008 19:57:21 -0000 1.57.2.8 +++ sys/dev/acpica/acpi_cpu.c 15 May 2008 15:21:13 -0000 @@ -377,7 +377,7 @@ arg[3].Buffer.Length = sizeof(cap_set); /* Capabilities buffer */ arg[3].Buffer.Pointer = (uint8_t *)cap_set; cap_set[0] = 0; - AcpiEvaluateObject(sc->cpu_handle, "_OSC", &arglist, NULL); + //AcpiEvaluateObject(sc->cpu_handle, "_OSC", &arglist, NULL); } /* Probe for Cx state support. */ --- acpi.diff ends here --- >Release-Note: >Audit-Trail: >Unformatted:
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