Re: Sleeping on "itrmh" with the following non-sleepable locks held:

From: John Baldwin (jhb_at_FreeBSD.org)
Date: 06/30/04

  • Next message: John Baldwin: "Re: Sleeping on "itrmh" with the following non-sleepable locks held:" 
    To: freebsd-current@FreeBSD.org
Date: Wed, 30 Jun 2004 13:41:59 -0400

    On Wednesday 30 June 2004 08:36 am, Andre Guibert de Bruet wrote:
    > Hello,
    >
    > I managed to get the following printed on a serial console while shutting
    > down XFree86 today:
    >
    > Sleeping on "itrmh" with the following non-sleepable locks held:
    > exclusive sleep mutex drm device r = 0 (0x6505f464) locked @
    > dev/drm/drm_irq.h:192
    > Stack backtrace:
    > backtrace(607dd224,b00c894c,1,6599e6e0,65945d20) at 0x60564407
    > witness_warn(5,64faf380,60735d8f,60732f57,15a) at 0x605893f3
    > msleep(65777b40,64faf380,a0,60732f57,0) at 0x6056b98a
    > ithread_remove_handler(65777b40,b00c89bc,606e4ad1,65777b40,b00c89e4) at
    > 0x6054d695
    >
    > I had DRM_DEBUG turned on and a console actively logging at the time, so I
    > was able to produce a full trace with the DRM_DEBUG messages before and
    > after. I have attached the file to this email.
    >
    > My kernel is fairly stock, with amr, nge, smp and DRM_DEBUG enabled. I can
    > make my config file available as well as the full hardware specifications
    > for the machine that this was found on. Google turned up something similar
    > from last December, involving the same line of code, but it was a LOR.
    > That report can be found here:
    > http://lists.freebsd.org/pipermail/freebsd-current/2003-December/015540.htm
    >l
    >
    > Any ideas?
    > Andy
    >
    > > Andre Guibert de Bruet | Enterprise Software Consultant >
    > > Silicon Landmark, LLC. | http://siliconlandmark.com/ >

    Can you please file a PR with this and send me the number so I can assign it
    to the DRM guy. 

    -- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org
_______________________________________________
freebsd-current@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-current
To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
  • Next message: John Baldwin: "Re: Sleeping on "itrmh" with the following non-sleepable locks held:"

    Relevant Pages