Re: 6.0-BETA2 DRM/witness panic: Assertion j < 1000 failed at /usr/src/sys/kern/subr_witness.c:1513

From: John Baldwin (jhb_at_FreeBSD.org)
Date: 08/09/05

  • Next message: Bjoern A. Zeeb: "Re: LOR + panic in scope6.c" 
    To: freebsd-current@freebsd.org
Date: Tue, 9 Aug 2005 10:50:20 -0400

    On Tuesday 09 August 2005 07:57 am, Gavin Atkinson wrote:
    > Hi,
    >
    > I have a regular panic (3 times a day) on a system running 6.0-BETA2
    > which was very stable under 5.4. dmesg available at
    > http://www.devrandom.co.uk/freebsd/dmesg-buffy-20050809 . The panic
    > seems to relate to DRM, I have a ATI Radeon QY RV100 7000/VE card.

    Do a 'show witness', it looks like witness has a cycle somehow. Normally
    these can only occur if there is a cycle in the static lock order. 

    -- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org
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