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

From: Gavin Atkinson (gavin.atkinson_at_ury.york.ac.uk)
Date: 09/29/05

  • Next message: Gavin Atkinson: "Re: 6.0-BETA2 DRM/witness panic: Assertion j < 1000 failed at /usr/src/sys/kern/subr_witness.c:1513" 
    To: John Baldwin <jhb@FreeBSD.org>
Date: Thu, 29 Sep 2005 17:24:35 +0100

    On Thu, 2005-09-29 at 12:10 -0400, John Baldwin wrote:
    > On Tuesday 09 August 2005 12:02 pm, Gavin Atkinson wrote:
    > > On Tue, 2005-08-09 at 10:50 -0400, John Baldwin wrote:
    > > > 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.
    > >
    > > http://www.devrandom.co.uk/freebsd/sh-witness-buffy-20050809
    > >
    > > Gavin
    >
    > Do you still get this panic on more recent 6.0?

    I do with BETA3 from Sept 6th. I'll update again (after re-adding
    WITNESS etc to GENERIC) and test it again.

    Gavin
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