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From: Jan Kratochvil <jan.kratochvil@redhat.com>
To: Pedro Alves <pedro@codesourcery.com>
Cc: gdb-patches@sourceware.org
Subject: Regression for T (Stopped) processes  [Re: [PATCH] PR threads/10729: x86 hw watchpoints and non-stop mode]
Date: Thu, 15 Dec 2011 08:48:00 -0000	[thread overview]
Message-ID: <20111215062013.GA13506@host2.jankratochvil.net> (raw)
In-Reply-To: <201112141734.43226.pedro@codesourcery.com>

On Wed, 14 Dec 2011 18:34:43 +0100, Pedro Alves wrote:
> --- a/gdb/gdbserver/linux-low.c
> +++ b/gdb/gdbserver/linux-low.c
> @@ -918,6 +918,8 @@ linux_detach_one_lwp (struct inferior_list_entry *entry, void *args)
>  			   get_lwp_thread (lwp));
>  
>    /* Finally, let it resume.  */
> +  if (the_low_target.prepare_to_resume != NULL)
> +    the_low_target.prepare_to_resume (lwp);
>    ptrace (PTRACE_DETACH, lwpid_of (lwp), 0, 0);
>  
>    delete_lwp (lwp);

If you have T (Stopped) process on Linux kernel 3.1+, you do attach,
bt/gcore/etc., detach, the state of the process must not change.
But the process will now run for a bit.

This is a regression.  Some users really insist the T (Stopped) inferior state
absolutely does not change.


Thanks,
Jan


  reply	other threads:[~2011-12-15  6:20 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-05 16:46 [PATCH] PR threads/10729: x86 hw watchpoints and non-stop mode Pedro Alves
2011-12-05 17:06 ` Eli Zaretskii
2011-12-09 16:30   ` New tests to watch regions larger than a machine word (Re: [PATCH] PR threads/10729: x86 hw watchpoints and non-stop mode) Pedro Alves
2011-12-09 19:11     ` Eli Zaretskii
2011-12-13 16:12       ` Pedro Alves
2011-12-05 21:24 ` [PATCH] PR threads/10729: x86 hw watchpoints and non-stop mode Jan Kratochvil
2011-12-09 16:45   ` Pedro Alves
2011-12-09 16:47     ` Tristan Gingold
2011-12-09 19:23     ` Eli Zaretskii
2011-12-13 16:26       ` Pedro Alves
2011-12-11 23:39     ` Jan Kratochvil
2011-12-12 11:53       ` Pedro Alves
2011-12-12 14:49         ` Jan Kratochvil
2011-12-12  0:14     ` Jan Kratochvil
2011-12-12 17:23       ` Pedro Alves
2011-12-12 18:38         ` Jan Kratochvil
2011-12-12 20:14           ` Jan Kratochvil
2011-12-12 20:30             ` Pedro Alves
2011-12-13 17:24               ` Jan Kratochvil
2011-12-13 18:49                 ` Pedro Alves
2011-12-13 19:25                   ` Jan Kratochvil
2011-12-16 16:16                     ` Pedro Alves
2012-01-20 19:51                       ` testsuite: native/non-extended/extended modes [Re: [PATCH] PR threads/10729: x86 hw watchpoints and non-stop mode] Jan Kratochvil
2012-01-20 19:53                         ` Pedro Alves
2012-01-20 19:57                           ` Jan Kratochvil
2011-12-12 20:34             ` [PATCH] PR threads/10729: x86 hw watchpoints and non-stop mode Pedro Alves
2011-12-12 21:39               ` Jan Kratochvil
2011-12-13 16:21                 ` Fix PR remote/13492 (Re: [PATCH] PR threads/10729: x86 hw watchpoints and non-stop mode) Pedro Alves
2011-12-13 17:23                   ` Fix PR remote/13492 Jan Kratochvil
2011-12-13 16:33                 ` [PATCH] PR threads/10729: x86 hw watchpoints and non-stop mode Pedro Alves
2011-12-13 18:57                   ` Jan Kratochvil
2011-12-14 17:35                     ` Pedro Alves
2011-12-14 17:42                       ` Pedro Alves
2011-12-15  8:48                         ` Jan Kratochvil [this message]
2011-12-15 12:44                           ` Regression for T (Stopped) processes [Re: [PATCH] PR threads/10729: x86 hw watchpoints and non-stop mode] Pedro Alves
2011-12-15 15:33                             ` Jan Kratochvil
2011-12-13 22:27                   ` [PATCH] PR threads/10729: x86 hw watchpoints and non-stop mode Jan Kratochvil

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