Re: Again: UML on s390 (31Bit)

From: Bodo Stroesser
Date: Fri May 13 2005 - 10:42:45 EST


Martin Schwidefsky wrote:
Meanwhile I've tried.

Your patch absolutely doesn't change host's behavior in the situation,
that is relevant to UML.


And as I understand that is because the SIGTRAP is not delivered
by the normal signal mechanism.
Yes.

BTW: I still can't see any loop in the kernel, that could call
do_signal() multiple times without returning to user in between.
For my understanding: do I miss something? If so, where is the loop?

Regards
Bodo



I've prepared and attached a small program that easily can reproduce
the problem. I hope this will help to find a viable solution.


That is cool, thanks. Will certainly speed up debugging on my side.

blue skies,
Martin

Martin Schwidefsky
Linux for zSeries Development & Services
IBM Deutschland Entwicklung GmbH

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