On Sun, Jul 31, 2011 at 6:50 PM, Manfred Haertel, DB3HM
<manfred.haer...@rz-online.de> wrote:
> Toralf Förster wrote:
>
>> tfoerste@n22 ~/devel/linux $ gdb linux
>> GNU gdb (Gentoo 7.2 p1) 7.2
>> Copyright (C) 2010 Free Software Foundation, Inc.
>> License GPLv3+: GNU GPL version 3 or later<http://gnu.org/licenses/gpl.html>
>> This is free software: you are free to change and redistribute it.
>> There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
>> and "show warranty" for details.
>> This GDB was configured as "i686-pc-linux-gnu".
>> For bug reporting instructions, please see:
>> <http://bugs.gentoo.org/>...
>> Reading symbols from /home/tfoerste/devel/linux/linux...done.
>> (gdb) r
>> Starting program: /home/tfoerste/devel/linux/linux
>> Locating the bottom of the address space ...
>> Program received signal SIGSEGV, Segmentation fault.
>
> As far as I am informed it is necessary to use the following gdb commands
>
> handle SIGSEGV pass nostop noprint
> handle SIGUSR1 pass nostop noprint
>

Right!
UML uses SIGSEGV do detect page faults.

-- 
Thanks,
//richard

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