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From: Pedro Alves <palves@redhat.com>
To: Antoine Tremblay <antoine.tremblay@ericsson.com>,
	       gdb-patches@sourceware.org
Subject: Re: [PATCH 2/2] Avoid step-over infinite loop in GDBServer
Date: Fri, 03 Feb 2017 16:21:00 -0000	[thread overview]
Message-ID: <353b676b-5f13-6983-d25e-d07e49f89182@redhat.com> (raw)
In-Reply-To: <20161129120702.9490-2-antoine.tremblay@ericsson.com>

On 11/29/2016 12:07 PM, Antoine Tremblay wrote:
>  - GDBServer stops on instruction A in thread 1.
>  - Deletes thread 1 single-step breakpoint.
>  - Starts a step-over of thread 1 to step-over the thread 2 breakpoint.
>  - GDBServer finishes a step-over and is at instruction B.
>  - GDBserver starts a step-over of thread 1 to step-over the thread 3
>    breakpoint at instruction B.
>  - GDBServer stops on instuction A in thread 1.
>  - GDBServer is now in an infinite loop.

This sounds to me very much like a fairness issue.  There were
three threads stopped that needed to move past a breakpoint, but
gdbserver always picks thread 1.  Why?

Thanks,
Pedro Alves

  parent reply	other threads:[~2017-02-03 16:21 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-29 12:07 [PATCH 1/2] This patch fixes GDBServer's run control for single stepping Antoine Tremblay
2016-11-29 12:07 ` [PATCH 2/2] Avoid step-over infinite loop in GDBServer Antoine Tremblay
2017-01-16 17:27   ` Antoine Tremblay
2017-01-18 16:31     ` Antoine Tremblay
2017-02-03 16:21   ` Pedro Alves [this message]
2017-02-17  3:39     ` Antoine Tremblay
2017-02-22 10:15   ` Yao Qi
2017-03-27 13:28     ` Antoine Tremblay
2016-11-29 12:12 ` [PATCH 1/2] This patch fixes GDBServer's run control for single stepping Antoine Tremblay
2017-01-16 17:28 ` Antoine Tremblay
2017-01-27 15:01 ` Yao Qi
2017-01-27 16:07   ` Antoine Tremblay
2017-01-27 17:01     ` Yao Qi
2017-01-27 18:24       ` Antoine Tremblay
2017-01-29 21:41         ` Yao Qi
2017-01-30 13:29           ` Antoine Tremblay
2017-02-03 16:13             ` Pedro Alves
2017-02-17  1:42               ` Antoine Tremblay
2017-02-17  2:05                 ` Pedro Alves
2017-02-17  3:06                   ` Antoine Tremblay
2017-02-17 22:19                     ` Yao Qi
2017-02-18  0:19                       ` Antoine Tremblay
2017-02-18 22:49                         ` Yao Qi
2017-02-19 19:40                           ` Antoine Tremblay
2017-02-19 20:31                             ` Antoine Tremblay
2017-03-29 12:41                           ` Antoine Tremblay
2017-03-29 14:11                             ` Antoine Tremblay
2017-03-29 17:54                               ` Antoine Tremblay
2017-03-30 16:06                             ` Yao Qi
2017-03-30 18:31                               ` Antoine Tremblay
2017-03-31 16:31                                 ` Yao Qi
2017-03-31 18:22                                   ` Antoine Tremblay
2017-04-03 12:41                                     ` Yao Qi
2017-04-03 13:18                                       ` Antoine Tremblay
2017-04-03 15:18                                         ` Yao Qi
2017-04-03 16:57                                           ` Antoine Tremblay
2017-02-16 22:32             ` Yao Qi
2017-02-17  2:17               ` Antoine Tremblay

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