Re: XFree86 process gets stuck in *Giant

From: Glenn Johnson (gjohnson_at_srrc.ars.usda.gov)
Date: 05/20/03

  • Next message: Nate Lawson: "Re: umass problem with Hitachi DVDCAM" 
    Date: Tue, 20 May 2003 16:47:36 -0500
To: Steve Kargl <sgk@troutmask.apl.washington.edu>

    On Tue, May 20, 2003 at 11:30:41AM -0700, Steve Kargl wrote:

    > On Tue, May 20, 2003 at 01:02:59PM -0500, Glenn Johnson wrote:
    >
    > > I have had this happen a couple of times since running -CURRENT
    > > (since about the days of 5.0-RELEASE). My machine (an SMP box)
    > > will be non-responsive, no graphics, no ability to use the mouse
    > > or keyboard. Upon logging into another machine and using ssh to
    > > connect to the hung machine, I can login to it, albeit very slowly.
    > > Upon running 'top' I see that the XFree86 process is stuck in *Giant
    > > and using > 100% of the CPU (according to top).
    > >
    > > The only way out is a reboot because if I kill the XFree86 process
    > > the machine will completely die. Has anyone else seen this? Is
    > > there something I can do to prevent it from happening?
    >
    >
    > Which scheduler are you using? ULE (supposely) has issues with SMP.

    I am using the 4BSD scheduler. By the way, the machine is a dual
    AthlonMP-2400+ with a Matrox 550 graphics card (DRI enabled). This
    behavior happened most recently with a -CURRENT from May 16, 2003.

    I put FreeBSD-5 on this machine back in March. This "event" has
    happened twice in two months so it is relatively rare. 

    -- 
Glenn Johnson
USDA, ARS, SRRC			 Phone: (504) 286-4252
New Orleans, LA 70124		e-mail: gjohnson@srrc.ars.usda.gov
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  • Next message: Nate Lawson: "Re: umass problem with Hitachi DVDCAM"

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