Raj wrote: > > HI all! > I have installed squid-2.5.STABLE3 on a RH 8.0/2.4.20-custom kernel/WCCP > patch/ P4/ 1 GB RAM/ 30 GB SCSI cache_dir system. I am using diskd. > > I have compiled squid with: > > ./configure --enable-poll --enable-linux-netfilter --enable-snmp > --enable-storeio="aufs,diskd,ufs" --enable-removal-policies="heap,lru" > > My squid runs happily for a few hours and crashes ... I am giving all > useful info below for your reference. Please let me know what could be > causing it. > Squid seems to be taking 99% CPU even after several hours since it has > crashed. If you notice diskd has disappeared from the ps list...so I > suspect it may be related to the disk. > > --------------------------------------------------------------------------------- > > top: > > 10:47am up 16:29, 1 user, load average: 1.00, 1.00, 0.98 > 37 processes: 34 sleeping, 3 running, 0 zombie, 0 stopped > CPU states: 53.8% user, 46.2% system, 0.0% nice, 0.0% idle > Mem: 775828K av, 771440K used, 4388K free, 0K shrd, 73824K > buff > Swap: 1020116K av, 0K used, 1020116K free 570020K > cached > > PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND > 617 squid 18 0 35256 34M 1652 R 99.9 4.5 807:34 squid > 1 root 8 0 476 476 424 S 0.0 0.0 0:04 init > 2 root 9 0 0 0 0 SW 0.0 0.0 0:00 keventd > > -------------------------------------------------------------------------------- > > ps ax: > > 617 ? R 811:59 (squid) > 618 ? S 0:00 (unlinkd) > > -------------------------------------------------------------------------------- > > /var/log/messages: > > Jun 13 21:44:15 cache2 kernel: (scsi0:A:1:0): Locking max tag count at > 64 > Jun 13 22:20:25 cache2 kernel: Unable to handle kernel NULL pointer > dereference > at virtual address 0000019f > Jun 13 22:20:25 cache2 kernel: printing eip: ...
That is not a squid problem , but a crash of the system kernel. Check os/system integrity ,possible hw problems etc ? M.
