Date: Sun, 6 Mar 2011 19:15:02 GMT From: Adam Kirchhoff <akirchhoff135014@comcast.net> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/155319: Immediate kernel crash when starting X on 9.0-CURRENT with r400/r500 GPU Message-ID: <201103061915.p26JF2RZ028602@red.freebsd.org> Resent-Message-ID: <201103061920.p26JK9mq062580@freefall.freebsd.org>
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>Number: 155319 >Category: kern >Synopsis: Immediate kernel crash when starting X on 9.0-CURRENT with r400/r500 GPU >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Mar 06 19:20:09 UTC 2011 >Closed-Date: >Last-Modified: >Originator: Adam Kirchhoff >Release: 9.0-CURRENT >Organization: None >Environment: FreeBSD sorrow.ashke.com 9.0-CURRENT FreeBSD 9.0-CURRENT #3: Tue Feb 22 04:53:58 EST 2011 root@:/usr/obj/usr/src/sys/SORROW amd64 >Description: As soon as I start X with either an X850 or X1900 in this particular machine running 9.0-CURRENT, I get a kernel crash. There is no kernel debug prompt, and no dump created. The only output on the serial port is below. A radeon HD4850 works fine, leading me to believe that this is specific to the r300-r500 DRM code. If I configure Xorg to disable glx and dri, X starts up. Fatal trap 28: machine check trap while in kernel mode Fatal trap 28: machine check trap while in kernel mode cpuid = 3; cpuid = 2; apic id = 03 apic id = 02 instruction pointer = 0x20:0xffffffff809e6346 instruction pointer = 0x20:0xffffffff809e6346 stack pointer = 0x28:0xffffff8000033ad0 stack pointer = 0x28:0xffffff8000038ad0 frame pointer = 0x28:0xffffff8000033ae0 frame pointer = 0x28:0xffffff8000038ae0 code segment = base 0x0, limit 0xfffff, type 0x1b code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = processor eflags = interrupt enabled, interrupt enabled, IOPL = 0 IOPL = 0 current process = current process = 11 (idle: cpu3) 1 Fatal trap 28: machine check trap while in kernel mode cpuid = 2; apic id = 02 instruction pointer = 0x20:0xffffffff809f5aa2 stack pointer = 0x28:0xffffff800001bdf0 frame pointer = 0x28:0xffffff800001be20 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = IOPL = 0 current process = 11 (idle: cpu2) >How-To-Repeat: Install 9.0-CURRENT on a machine with a radeon r4xx/r5xx GPU. Start X. >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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