panic with ZERO_COPY_SOCKETS on 5.4 (and probably 6.0)
kris at obsecurity.org
Wed Mar 15 18:23:37 UTC 2006
On Wed, Mar 15, 2006 at 06:37:31PM +0600, Vadim Goncharov wrote:
> Hello freebsd-stable,
> I've seen several panics on a 5.4-STABLE (RELENG_5 at end of January)
> under moderate ftpd/samba load with diagnostic:
> vm_page_free: freeing wired page
> Server rebooted after a panic every ~4 hours. Removing
> ZERO_COPY_SOCKETS from kernel config resolved problem.
> And I've found same diagnostic with same causes in freebsd-current@
> mail lists on a 6.0-RC1:
> Also, there is a PR with a similar diagnostic (but not sure if it is
> ZERO_COPY_SOCKETS problem):
> I still have coredumps on my machine together with copy of
> kernel.debug (although I've updated machine to 5.5-PRERELEASE alredy),
> and can provide backtrace etc. if somebody will be interested in this.
There were fixes for this after 6.0. I don't know if anyone is
interested in merging the fixes to 5.5; you should update to 6.1 for
this and many other reasons.
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