Re: [squid-users] SQUID CRASHING - HELP!!!

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.
Received on Mon Jun 16 2003 - 00:47:39 MDT