2.5.60 problems with dbench and unkillable processes.

2.5.60 problems with dbench and unkillable processes.

[Steven Cole]

With 2.5.60, dbench starts, prints "1 clients started", but never prints
any "..." and doesn't finish.  

With 2.5.59-mm10, dbench runs normally.

I ran this:
ps -ewo user,pid,priority,%cpu,stat,command,wchan
with the 2.5.60 System.map copied to /boot, and got this:

root      1103  15  0.1 S    /usr/sbin/sshd   schedule_timeout
steven    1104  15  0.0 S    -bash            wait4
steven    1142  15  0.0 S    ./dbench 1       wait4
steven    1143  16  0.0 S    ./dbench 1       pause
steven    1153  16  0.0 S    /bin/sh /home/st wait4
steven    1154  16  0.0 R    ps -ewo user,pid -


I control-c'ed the dbench 1, and started ./dbench 4, and got this:

root      1103  15  0.0 S    /usr/sbin/sshd   schedule_timeout
steven    1104  15  0.0 S    -bash            wait4
steven    1143  16  0.0 S    ./dbench 1       pause
steven    1160  15  0.0 S    ./dbench 4       wait4
steven    1161  16  0.0 S    ./dbench 4       pause
steven    1162  16  0.0 S    ./dbench 4       pause
steven    1163  16  0.0 S    ./dbench 4       pause
steven    1164  16  0.0 S    ./dbench 4       pause
steven    1166  16  0.0 S    /bin/sh /home/st wait4
steven    1167  17  0.0 R    ps -ewo user,pid -

That process 1143 is now unkillable with kill -9.

After control-c-ing the ./dbench 4, I now have 4
dbench 4 processes which are unkillable with kill -9.

The system is 2-way PIII, kernel is SMP, PREEMPT.

Steven

Re: 2.5.60 problems with dbench and unkillable processes.

[Linus Torvalds]

On 11 Feb 2003, Steven Cole wrote:
>
> With 2.5.60, dbench starts, prints "1 clients started", but never prints
> any "..." and doesn't finish.  

Yeah, it's fixed in the current BK tree, and I already posted a patch to 
linux-kernel for non-BK users. Sorry,

		Linus