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Re: kern/39016 (processes stuck in "tstile")

The following reply was made to PR kern/39016; it has been noted by GNATS.

From: Alan Barrett <>
Subject: Re: kern/39016 (processes stuck in "tstile")
Date: Fri, 26 Sep 2008 17:36:43 +0200

 It's been a long time since I saw the problem, but...
 On Thu, 25 Sep 2008, wrote:
 > Unfortunatley more information is required to come up with a useful
 > diagnosis. We need backtraces from the stuck threads using 't/a' in DDB:
 > those stuck in tstile or anything else interesting, like biowait.
 > Alternatively a mini crash dump and a copy of the kernel image should be
 > enough to diagnose the issue ('call dumpsys' from ddb).
 "call dumpsys", OK, I have made a note of that.
 > Also, what is the file system configuration on this system?
 small root ffs on wd0a.  large cgd on wd0e.  ffs inside the cgd is
 mounted on "/cgd1a".  several nullfs mounts make several top level
 directories inside the cgd appear like top level directories inside
 the root (e.g. for dir in home usr var blah blah; do mount -t null
 /cgd1a/${dir} /${dir}; done).
 --apb (Alan Barrett)

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