Resume broken in 8.3-PRERELEASE
jkim at FreeBSD.org
Mon Feb 27 17:46:22 UTC 2012
On Monday 27 February 2012 11:47 am, Alexey Dokuchaev wrote:
> On Mon, Feb 27, 2012 at 10:47:49AM -0500, Rick Macklem wrote:
> > Yes, I can't think of how r229450 would affect "resume". All it
> > does is clear the high order bit in an error reply from an NFS
> > server, since that bit should never be set in an NFS error reply
> > and, if set, it results in an mbuf list being free'd twice.
> True, although even if it helps triggering the real underlying bug,
> it's still weird.
> > The bit is erroneously set by "amd" sometimes. If you are using
> > "amd", that might be related to the resume problem?
> No, I don't; I've deliberately disabled almost everything.
> > ps: I suspect you saw it, but there was a recent thread related
> > to known suspend/resume issues and discussed how they might be
> > fixed in the future. Sorry, I don't remember which list or the
> > exact subject line.
> Yes, I know what are you talking about. However, I don't recall if
> any one was experiencing the same symptoms as I do.
Can you please try head and/or stable/9? FYI, Linux people found that
some BIOSes can corrupt low 64KB between suspend/resume, which may
cause strangeness like this. I worked around it in head (r231781)
and stable/9 (r232088).
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