On 7 April 2016 at 19:35, Alex Rousskov <rouss...@measurement-factory.com> wrote:
> On 04/07/2016 08:21 AM, Odhiambo Washington wrote: > > > On 7 April 2016 at 17:16, Amos Jeffries wrote: > > > > On 7/04/2016 3:16 a.m., Odhiambo Washington wrote: > > > I am getting the following error in cache.log: > > > > > > Squid Cache (Version 3.5.16): Terminated abnormally. > > > FATAL: Ipc::Mem::Segment::create failed to > > > shm_open(/opt/squid-3.5/var/run/squid/cf__metadata.shm): (17) File > exists > > > > > > However, that file doesn't exist. > > > This can happen if you have a startup script the runs 'squid -z' or > > similar just prior to starting the main proxy, and not waiting > > sufficiently long for the -z run to finish. > > > > I am gonna check this out again tonight although I doubt if that is the > > cause. > > > > I run squid using daemontools, invoked as: > > > > exec setuidgid root /opt/squid-3.5/sbin/squid -f > > /opt/squid-3.5/etc/squid.conf -N > > > > /opt/squid-3.5/var/run/squid/ is actually empty when I get this error. > > > I see two possibilities: > > 1. The file was there at the time the error was triggered but was not > there at the time you checked the directory. This would mean that > something is starting a second Squid while the first Squid has not > removed the shared memory segment file (yet). Amos mentioned one such > common scenario (not waiting for background squid-z) but there are > others, possibly including handling of Squid crashes. Do you see any > other errors, assertions, or FATAL messages in your cache.log? > > 2. Squid code that is trying to open the shared segment is broken or, > more likely, not compatible with your FreeBSD environment. For example, > it tries to exclusively create a shared segment using the wrong name. > > If you can reproduce this, I recommend starting Squid via strace (or > equivalent) to see the system calls that Squid is making when calling > shm_open() and the exact call parameters. This can confirm or eliminate > #2 as the suspect. > > > HTH, > > Alex. > All I get from running strace -ff -vvv -o /tmp/squid-strace.txt /opt/squid-3.5/sbin/squid -f /opt/squid-3.5/etc/squid.conf: .. pread: Device busy pread: Device busy pread: Device busy pread: Device busy pread: Device busy pread: Device busy pread: Device busy pread: Device busy pread: Device busy pread: Device busy pread: Device busy pread: Device busy PIOCRUN: Input/output error trouble opening proc file -- Best regards, Odhiambo WASHINGTON, Nairobi,KE +254 7 3200 0004/+254 7 2274 3223 "Oh, the cruft."
_______________________________________________ squid-users mailing list squid-users@lists.squid-cache.org http://lists.squid-cache.org/listinfo/squid-users
