sorry for posting that crap - turns out I forgot
vfs.zfs.prefetch_disable="1" in loader.conf and that had the fatal
consequences, which were related to zfs rather than to Bjoern's patch.
the jails patch works as expected so far and turned out to be
unrelated to the problems described.
Regards and apologies,
Lorenzo
On 16.11.2008, at 05:27, Lorenzo Perone wrote:
Hi all,
I've been experiencing problems with one of the machines running
FreeBSD 7.1-PRERELEASE #2: Thu Oct 16 20:23:09 CEST 2008 with the
multi-ip patch bz_jail7-20080920-01-at150161.diff, and I'm wondering
if it possibly related to the patch - in any case, any advice would
be very welcome.
It happens that mysql (tried both 4.0 and 5.1, in 2 separate jails),
at some time stop responding to connections, and mysql gets stuck in
sbwait state. It is only killable with kill -9 <pid>
each of the two mysqlds is running in a jail on one private IP,
serving connections to a webserver nearby - the latter having one
public and one private IP, communicating with the other jail via the
private network.
I also experienced two complete system hangs (which must not be
necessarily related to the mysql problem) both during a shutdown -r
now. one was a panic, in another case the machine was still pingable
but did not shut down completely. I could only reset it over the
DRAC. here's a screenshot I made over the Dell RAC: http://lorenzo.yellowspace.net/stuck.png
Since I'm also using zfs there and the kernel has been built with
the DTRACE options.
any advice (also about which more details that I should/could
provide) would be very welcome...
thanx && regards,
Lorenzo
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