From: Daniel Jacobowitz <dan@debian.org>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Jesse Allen <the3dfxdude@gmail.com>,
Davide Libenzi <davidel@xmailserver.org>,
Mike Hearn <mh@codeweavers.com>, Thomas Sailer <sailer@scs.ch>,
Eric Pouech <pouech-eric@wanadoo.fr>,
Roland McGrath <roland@redhat.com>,
Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>, wine-devel <wine-devel@winehq.com>
Subject: Re: ptrace single-stepping change breaks Wine
Date: Fri, 31 Dec 2004 00:38:22 -0500 [thread overview]
Message-ID: <20041231053822.GB25850@nevyn.them.org> (raw)
In-Reply-To: <Pine.LNX.4.58.0412302100320.2280@ppc970.osdl.org>
On Thu, Dec 30, 2004 at 09:05:01PM -0800, Linus Torvalds wrote:
>
>
> On Thu, 30 Dec 2004, Jesse Allen wrote:
> >
> > Well I tried this patch and it works.
>
> Goodie. Are there other known problems with silly copy-protection
> schemes? It migth be worth testing.
>
> However:
>
> > Since I cannot spot any issue, the patch looks good. Are there any
> > other test cases?
>
> Yes. It seems I broke "strace" with it. Probably the difference in system
> call trace reporting that Dan Jacobowitz already pointed out.
>
> Now, that should be easily handled by just separating out the cases of
> system call tracing and debug trap handling, and using the old silly code
> for system calls. I'd prefer a cleaner approach, but that seems to be the
> sane thing to do for now.
Strace doesn't use PTRACE_SETOPTIONS as far as I can tell... so it must
be something different.
--
Daniel Jacobowitz
next prev parent reply other threads:[~2004-12-31 5:38 UTC|newest]
Thread overview: 101+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.58.0411151439270.2222@ppc970.osdl.org>
2004-11-15 22:53 ` ptrace single-stepping change breaks Wine Roland McGrath
2004-11-19 19:00 ` Eric Pouech
2004-11-19 19:20 ` Linus Torvalds
2004-11-19 19:33 ` Eric Pouech
2004-11-19 19:51 ` Linus Torvalds
2004-11-19 20:41 ` Eric Pouech
2004-11-19 21:22 ` Linus Torvalds
2004-11-19 21:23 ` Daniel Jacobowitz
2004-11-19 21:53 ` Linus Torvalds
2004-11-20 21:49 ` Jesse Allen
2004-11-21 4:55 ` Jesse Allen
2004-11-21 21:32 ` Davide Libenzi
2004-11-21 22:33 ` Linus Torvalds
2004-11-21 23:14 ` Davide Libenzi
2004-11-22 1:12 ` Linus Torvalds
2004-11-22 0:13 ` Andreas Schwab
2004-11-22 1:07 ` Linus Torvalds
2004-11-22 4:06 ` Davide Libenzi
2004-11-22 4:29 ` Linus Torvalds
2004-11-22 6:23 ` Linus Torvalds
2004-11-22 11:06 ` Andreas Schwab
2004-11-22 16:27 ` Linus Torvalds
2004-11-22 13:46 ` Davide Libenzi
2004-11-22 23:15 ` Jesse Allen
2004-11-22 23:48 ` Jesse Allen
2004-11-28 17:01 ` Eric Pouech
2004-11-22 20:52 ` Eric Pouech
2004-11-22 21:10 ` Linus Torvalds
2004-11-22 22:19 ` Mike Hearn
2004-11-22 22:25 ` Linus Torvalds
2004-12-29 2:14 ` Thomas Sailer
2004-12-29 15:02 ` Mike Hearn
2004-12-29 18:53 ` Linus Torvalds
2004-12-29 19:40 ` Jesse Allen
2004-12-29 20:04 ` Linus Torvalds
2004-12-29 21:43 ` Jesse Allen
2004-12-30 0:44 ` Linus Torvalds
2004-12-30 1:13 ` Davide Libenzi
2004-12-30 1:55 ` Linus Torvalds
2004-12-30 4:51 ` Linus Torvalds
2004-12-30 4:58 ` Linus Torvalds
2004-12-30 5:07 ` Davide Libenzi
2004-12-30 7:26 ` Linus Torvalds
2004-12-30 17:59 ` Davide Libenzi
2004-12-30 18:16 ` Linus Torvalds
2004-12-30 19:27 ` Jesse Allen
2004-12-30 19:34 ` Linus Torvalds
2004-12-30 22:46 ` Linus Torvalds
2004-12-30 23:00 ` Daniel Jacobowitz
2004-12-30 23:17 ` Linus Torvalds
2004-12-31 5:36 ` Daniel Jacobowitz
2004-12-31 5:47 ` Linus Torvalds
2004-12-31 7:00 ` Jesse Allen
2004-12-31 15:10 ` Daniel Jacobowitz
2004-12-31 17:19 ` Linus Torvalds
2005-01-01 23:20 ` Daniel Jacobowitz
2005-01-29 9:25 ` Kari Hurtta
2004-12-30 23:15 ` Andi Kleen
2004-12-31 0:38 ` Linus Torvalds
2004-12-31 12:35 ` Andi Kleen
2004-12-31 15:16 ` Davide Libenzi
2004-12-31 17:30 ` Linus Torvalds
2004-12-31 19:55 ` Jesse Allen
2004-12-31 17:14 ` Linus Torvalds
2004-12-31 4:55 ` Jesse Allen
2004-12-31 5:05 ` Linus Torvalds
2004-12-31 5:38 ` Daniel Jacobowitz [this message]
2004-12-30 19:19 ` Davide Libenzi
2004-12-30 5:06 ` Davide Libenzi
2004-12-30 4:28 ` Jesse Allen
2004-12-29 20:56 ` Jesse Allen
2004-12-29 19:35 ` Thomas Sailer
2004-12-29 20:13 ` Jesse Allen
2004-12-30 1:49 ` Thomas Sailer
2004-12-30 2:10 ` Linus Torvalds
2004-12-30 2:39 ` Thomas Sailer
2004-12-30 2:57 ` Thomas Sailer
2004-12-30 3:15 ` Thomas Sailer
2004-12-30 4:15 ` Andrew Morton
2004-12-30 10:09 ` Thomas Sailer
2004-12-30 13:06 ` Mike Hearn
2004-12-31 13:13 ` Thomas Sailer
2004-12-31 13:31 ` Mike Hearn
2004-12-31 15:42 ` Jesse Allen
2004-12-31 15:56 ` Davide Libenzi
2004-12-31 15:59 ` Jesse Allen
2004-12-31 22:01 ` Linus Torvalds
2005-01-01 22:04 ` Davide Libenzi
2005-01-01 22:14 ` Linus Torvalds
2005-01-02 3:46 ` Davide Libenzi
2005-01-07 4:51 ` minor nit with decoding popf instruction - was " John Kacur
2005-01-07 6:48 ` Linus Torvalds
2005-01-08 5:05 ` John Kacur
2004-12-31 15:51 ` Thomas Sailer
[not found] ` <1104873315.3557.87.camel@littlegreen>
2005-01-04 21:21 ` Andrew Morton
2005-01-05 10:43 ` Thomas Sailer
2005-01-05 11:24 ` Ingo Molnar
2005-01-05 11:40 ` Alexandre Julliard
2004-12-30 12:11 ` Mike Hearn
2004-11-20 3:40 ` Roland McGrath
2004-11-19 20:59 ` Grzegorz Kulewski
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