Regression for watchpoint-fork.exp [Re: [PATCH v3 2/5] PR breakpoints/7143 - Watchpoint does not trigger when first set]

Jan Kratochvil
2014-06-17T19:18:58Z

On Thu, 20 Mar 2014 14:57:36 +0100, Pedro Alves wrote:
> Here's what I pushed (nothing else changed).

31e77af205cf6564c2bf4c18400b4ca16bdf92cd is the first bad commit
commit 31e77af205cf6564c2bf4c18400b4ca16bdf92cd
Author: Pedro Alves <palves@redhat.com>
Date: Thu Mar 20 13:26:32 2014 +0000
PR breakpoints/7143 - Watchpoint does not trigger when first set

PASS kernel-3.14.6-200.fc20.x86_64
FAIL kernel-3.13.10-200.dentrybuflen.fc20.x86_64

continue^M
Continuing.^M
main () at ./gdb.threads/watchpoint-fork-st.c:50^M
50 forkoff (1);^M
Couldn't write debug register: Invalid argument.^M
(gdb) FAIL: gdb.threads/watchpoint-fork.exp: parent: singlethreaded: breakpoint after the first fork

Being tested for default linux-nat.

That 'dentrybuflen' patch should not matter. I did not check which Linux
kernels are / are not affected by the regression but it would be probably
better to make the GDB behavior more Linux kernel compatible.

Jan