[uml-devel] SKAS mode patch compatibility w/RH8 2.8.18-19.8.0 (Kernel panic: restore_registers - saving registers failed, errno = 3)

[Joe Marzot <gmarzot@nortelnetworks.com>]

I am running the above combination on the host w/host-skas3a-RH8.patch 
(yes, feel bad for me as I can't change the host version - dictated by 
IT). For the guest I am running 2.4.24 w/uml-patch-2.4.24-1. I run both 
UP and SMP versions of the host.

I am getting

Kernel panic: restore_registers - saving registers failed, errno = 3

I am not sure if the ptrace patch has been applied to my host (how would 
I tell) but I am getting symptoms similar to those described below in a 
previous thread.

could it be that the SKAS patch is not happy with my host baseline?

I would like to try the 2.4.25 skas patch from 
http://www.user-mode-linux.org/~blaisorblade/ but not sure if that would 
help or hurt in my case...

Any words of wisdom appreciated.

regards, Giovanni


----------------------------------
List:       user-mode-linux-devel
Subject:    Re: [uml-devel] 2.4.20-4um Kernel panic: restore_registers - 
saving registers failed, errno = -1
From:       Matt Zimmerman <mdz () debian ! org>
Date:       2003-04-28 16:04:18
[Download message RAW]

On Mon, Apr 28, 2003 at 06:05:46PM +0200, Michael Koehne wrote:

 > Kernel panic: restore_registers - saving registers failed, errno = -1
 >
 >   the hosting system is Debian/Woody running 2.4.21-rc1+SKAS.

This is symptomatic of a host kernel which has the ptrace security patch +
skas (the former breaks the latter).  This is the case for the patch which
is in the 2.4.20-6 Debian sources; I do not know whether 2.4.21-rc1 is
different.




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