From: Yuri <yuri@rawbw.com>
To: Paul Pluzhnikov <ppluzhnikov@google.com>
Cc: gdb@sourceware.org
Subject: Re: Why gdb-7.1 doesn't set hardware watchpoints on i7 CPU (amd64)?
Date: Thu, 30 Jun 2011 22:31:00 -0000 [thread overview]
Message-ID: <4E0CF948.6030303@rawbw.com> (raw)
In-Reply-To: <AANLkTinq0Tik8LU70aV81xsNeFi8=mKVvzbb1xp4s_qV@mail.gmail.com>
On 12/26/2010 21:06, Paul Pluzhnikov wrote:
> On Thu, Dec 16, 2010 at 7:20 PM, Yuri<yuri@rawbw.com> wrote:
>
>> All watchpoints are software.
>> How can I troubleshoot? How to understand why its unable to set HW
>> watchpoints?
>>
> You begin by explaining what made you conclude that you can't set HW
> watchpoints, preferably by showing a sample program and a complete log
> of your GDB session. Verifying that the same problem exists in current
> CVS snapshot is also a good idea.
>
Sorry, I missed your reply.
This happens on all programs.
I "conclude" by seeing that it prints "Watchpoint" not "Hardware
watchpoint" and observing a very slow execution after it is set.
(gdb) watch *(char*)0x3c74340
Watchpoint 6: *(char*)0x3c74340
(gdb) c
<...very long wait...>
Yuri
next prev parent reply other threads:[~2011-06-30 22:31 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-17 3:20 Yuri
2010-12-27 5:07 ` Paul Pluzhnikov
2011-06-30 22:31 ` Yuri [this message]
2011-06-30 22:50 ` Paul Pluzhnikov
2011-06-30 23:40 ` Yuri
2011-07-01 10:02 ` Pedro Alves
2011-06-30 22:27 ` Yuri
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