Date: Mon, 10 Mar 2008 12:16:37 GMT From: Leon Kos <leon.kos@lecad.uni-lj.si> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/121558: Supermicro X7SB4 Fatal trap 12 when ACPI disabled Message-ID: <200803101216.m2ACGbvn055984@www.freebsd.org> Resent-Message-ID: <200803101220.m2ACK4bU097463@freefall.freebsd.org>
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>Number: 121558 >Category: kern >Synopsis: Supermicro X7SB4 Fatal trap 12 when ACPI disabled >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Mar 10 12:20:03 UTC 2008 >Closed-Date: >Last-Modified: >Originator: Leon Kos >Release: 7.0-STABLE >Organization: University of Ljubljana >Environment: FreeBSD cad.lecad.uni-lj.si 7.0-STABLE FreeBSD 7.0-STABLE #0: Mon Mar 10 10:26:30 CET 2008 root@cad.lecad.uni-lj.si:/usr/src/sys/i386/compile/GENERIC i386 >Description: I am getting Fatal trap 12: page fault while in kernel mode when booting GENERIC debug kernel with ACPI disabled on Supermicro X7SB4 motherboard with dual core Xeon CPU. instruction pointer = 0x20:0xc0a49aea [root@cad ~]# nm -n /boot/kernel/kernel|grep c0a49ae c0a49ae0 T ioapic_get_vector Custom kernel shows up the same routine. Here is dmesg after boot -v: http://pastebin.ca/936377 [root@cad ~]# sysctl hw.acpi hw.acpi.supported_sleep_state: S1 S4 S5 hw.acpi.power_button_state: S5 hw.acpi.sleep_button_state: S1 hw.acpi.lid_switch_state: NONE hw.acpi.standby_state: S1 hw.acpi.suspend_state: S3 hw.acpi.sleep_delay: 1 hw.acpi.s4bios: 0 hw.acpi.verbose: 1 hw.acpi.disable_on_reboot: 0 hw.acpi.handle_reboot: 0 hw.acpi.reset_video: 0 hw.acpi.cpu.cx_lowest: C1 acpidump -dt http://www.lecad.uni-lj.si/~leon/tmp/supermicro-x7sb4.asl >How-To-Repeat: Supermicro X7SB4 motherboard with latest BIOS Boot GENERIC with ACPI disabled >Fix: Booting with ACPI does not show this problem although rebooting does not work even if setting hw.acpi.disable_on_reboot and hw.acpi.handle_reboot >Release-Note: >Audit-Trail: >Unformatted:
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