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[Bug gdb/16468] gdb fails on s390x with "Couldn't write registers: Invalid argument"


https://sourceware.org/bugzilla/show_bug.cgi?id=16468

--- Comment #3 from Samuel Bronson <naesten at gmail dot com> ---
Oh, by the way, as this is reported to work on other systems that are running
more recent kernel versions, it's quite possible that this is actually a
problem with zelenka's kernel, which turns out to just be the one in Debian
stable (codenamed wheezy).

Of course, if this is the case, it would be most helpful if you could help us
figure out *what* is wrong with this kernel so we can get it fixed in wheezy. 
I believe the offending code would be in
<http://sources.debian.net/src/linux/3.2.51-1/arch/s390/kernel/ptrace.c>, most
likely in the region starting at
<http://sources.debian.net/src/linux/3.2.51-1/arch/s390/kernel/ptrace.c#L250>
...

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