Date: Sun, 21 Nov 2004 01:53:59 GMT From: "O. Hartmann" <ohartman@web.de> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/74182: FreeBSD 5.3: PCI VGA graphics crashes SMP and Single User Kernel Message-ID: <200411210153.iAL1rxLL051515@www.freebsd.org> Resent-Message-ID: <200411210200.iAL20mqv018085@freefall.freebsd.org>
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>Number: 74182
>Category: kern
>Synopsis: FreeBSD 5.3: PCI VGA graphics crashes SMP and Single User Kernel
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sun Nov 21 02:00:48 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator: O. Hartmann
>Release: FreeBSD 5.3-RELEASE-p1/FreeBSD 5.3-STABLE
>Organization:
Department of Geophysic Johannes Gutenberg-Universitaet Mainz
>Environment:
FreeBSD edda.geo.uni-mainz.de 5.3-RELEASE-p1 FreeBSD 5.3-RELEASE-p1 #76: Sun Nov 21 02:09:38 CET 2004 root@:/usr/obj/usr/src/sys/EDDA i386
>Description:
Investigating in an wierd error behavior of a FreeBSD 5.3 box with SMP I found out that PCI VGA graphics cards seem to trigger those problems I reported.
I use a ASUS CUR-DLS mobo with two P3 at 1GHz, 1GBytes RAM, U160 SCSI equipment and built in 4MB ATI Rage XL PCI graphics. Problem was: Machine freezes spontanously in SMP mode, especially doing a lot of graphics output or simply using Mozilla/FireFox intensively.
In single user mode (for update and upgrade purposes) the console freezes after doing a lot of output (while showing what' getting compiled or installed).
This 'freezing' does not occur using a Matrox Millenium II PCI! Single user mode works great and stable - but I can not boot machine in multi user mode anymore, the console get stuck with a blinking cursor. That is really weird and seems to be a software problem. Disabling SMP keeps the system running for days with the built in ATI Rage XL PCI graphics, but it still breaks single user mode! I ran into harsh situations while trying to do a buildworld and getting stuck due a dying system when libs got installed!
SMP brings down the machine very rapid when doing a lot of graphics!
Changing to a Matrox Millenium II, 4MB PCI graphics card keeps single user mode working but freezes the box when coming up into multi user mode! Machine get stuck with a blinking green carret but is still responsive via network.
>How-To-Repeat:
Use FreeBSD 5.3-RELEASE with PCI graphics and SMP!
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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