Re: [vserver] Kernel locks

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From: Cedric Veilleux (
Date: Sun Mar 31 2002 - 15:22:29 EST

There is a known issue with CTX-9. The system freezes when accessing
/proc/net/tcp. Netstats reads /proc/net/tcp.

On March 31, 2002 02:10 pm, Enric Lafont wrote:
> Hi
> I'm testing vserver now for about three days but without any luck, Maybe
> I'm doing something wrong ?
> I've an Athlon 950 Mhz with a Sis530 chipset, a Sis900 100bT ethernet,
> with a Sis630 Vga, 256 Mb Ram, and a 30 Gb Seagate barracuda harddisk
> ATA-66, with a Mandrake 8.2 distro installed.
> I'm doing all my work in various Xterm sessions (so I'm using the X
> server with Xfce)
> I've downloaded the kernel-2.4.18ctx-9 from solucorp, installed it, and
> rebooted. Eventually I get a FULL HANG on the machine, everything gets
> locked, the only thing I can do is fully restart the machine. The
> problem is that I can not define a lock pattern that everyone can test.
> I've recompiled the kernel by miself to tune it to my equipment, but
> with the same luck, the machine hangs consistentlly.
> Does anyone knows where is the problem ?, Have anyone have any clue
> where can be the problem ?
> The last lock happened this way:
> 1.- Started the machine, it's main IP is
> 2.- Log in the X session
> 3.- Opened a Xterm
> 4.- Stopped VSS0 vservers, it was started automatically by the sysVinit
> scripts
> 5.- Started VSS0 vserver, it's binded to (ctx 3), it starts
> also v_proftpd (standalone), v_httpd and v_ssh
> 6.- Stopped the Apache server of the main IP (ctx 0)
> 7.- netstat -nat (ctx 0) just to see that Apache was unbinded from port
> 80, the netstat did not get executed, the machine was fully locked.
> This pattern is not fiable, it does not ever happens the same way.
> I'm going to test other hardware, but while the tests last, I would like
> to know if someone knows something about why I get the machine locked.
> I've readed all the mailing list, but no one has a similar problem, and
> now I'm out of help to look for a solution.
> Thanks for any help
> Enric Lafont

CÚdric Veilleux
Neopeak Internet Solutions

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