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From: Daniel Jacobowitz <drow@false.org>
To: David Lecomber <david@allinea.com>
Cc: gdb <gdb@sources.redhat.com>
Subject: Re: ptrace PEEKTEXT  IO error?!
Date: Wed, 05 Oct 2005 17:11:00 -0000	[thread overview]
Message-ID: <20051005171106.GA7835@nevyn.them.org> (raw)
In-Reply-To: <1128531841.21837.96.camel@delmo.priv.wark.uk.streamline-computing.com>

On Wed, Oct 05, 2005 at 06:04:00PM +0100, David Lecomber wrote:
> Dear all,
> 
> I have a multithreaded code which is misbehaving in GDB (verified on
> latest CVS).  After threads are created, the target suddenly seems to
> become unwriteable, and even unreadable in some bits.

This usually means the thread is not stopped.  Failing that, check with
your kernel.

> If I then strace the running GDB, I see the following errors (and a few
> more ptrace errors).. 
> 
> ptrace(PTRACE_PEEKTEXT, 17994, 0x407480, [0]) = -1 EIO (Input/output
> error)
> ptrace(PTRACE_POKEDATA, 17994, 0x407480, 0xffffffffffffccff) = -1 EIO
> (Input/output error)

-- 
Daniel Jacobowitz
CodeSourcery, LLC

  reply	other threads:[~2005-10-05 17:11 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-10-05 17:10 David Lecomber
2005-10-05 17:11 ` Daniel Jacobowitz [this message]
2005-10-05 18:26   ` David Lecomber
2005-10-05 18:40     ` David Lecomber
2005-10-05 18:41     ` Daniel Jacobowitz
2005-10-05 19:50       ` David Lecomber
2005-10-05 19:54         ` Daniel Jacobowitz
2005-10-05 20:31           ` David Lecomber

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