Re: [BUG]: Software compiling occasionlly hangs under 2.6.15-rc1/rc2 and 2.6.15-rc1-mm2

[Arjan van de Ven <arjan@infradead.org>]

On Fri, 2005-11-25 at 11:12 +0000, Tarkan Erimer wrote:
> Hi,
> 
> I'm having some strange software/package compile problem under Gentoo
> and kernels with 2.6.15-rc1/rc2 and 2.6.15-rc1-mm2. When I
> install/update a package via emerge, I got occasional hangs at compile
> time. When this happenned, system continues to work. No error
> messages, no interruption. Just the compile process hangs. Killing
> this hanged process is impossible. Immediately, it becomes Zombie
> process. Also, Reboot and poweroff hangs, too. Just hard
> reboot/poweroff solves it. I've never had this problem under 2.6.14
> and downwards.
> My ver_linux is attached.
> 
> PS: I found a way to reproduce this; installing/updating "man-pages"
> package under Gentoo always hangs.

what is probably needed to diagnose this is that you do a

echo "t" > /proc/sysrq-trigger

and then find the process that hangs in that... and send it to this
list.