On Tue, Feb 10, 2009 at 11:01:25AM +0700, Eugene Grosbein wrote: > On Mon, Feb 09, 2009 at 11:48:22PM +0200, Kostik Belousov wrote: > > > > I've digged commit logs a bit and found this change MFC'd to RELENG_7 > > > but not RELENG_6: > > > > > > http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/kern/kern_sysctl.c#rev1.177.6.2 > > > > > > It seems RELENG_6 needs this too, doesn't it? > > > I'm going to merge the change to RELENG_6 and give it a try. > > > > Yes, please give it a try. In fact, it was quite specific situation > > that I observed and produced a fix for. You need execing process that > > needs to grab Giant, e.g. due to image being located on !MPSAFE fs, and > > simultaneous sysctl issued that inspects this process. > > Well, my 6.3-STABLE locked very often (sometimes every hour). > Yesterday I've upgraded it to 6.4-STABLE, applied 1.177.2.1 of the file > to sources, rebuilt NanoBSD image and ran it. It has not locked yet. Can you be slightly more scientific in your tests ? Try RELENG_6 without my patch to see whether it is needed at all.
> > Btw, root filesystem here is UFS2 without softupdates mounted read-only > but /etc and /var are md(4) (devfs is mounted too). > > Eugene Grosbein
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