From: Keith Packard <keithp@keithp.com>
To: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>,
Eric Anholt <eric@anholt.net>
Cc: keithp@keithp.com, Theodore Tso <tytso@mit.edu>,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
"Siddha, Suresh B" <suresh.b.siddha@intel.com>,
bugme-daemon@bugzilla.kernel.org, airlied@linux.ie, "Barnes,
Jesse" <jesse.barnes@intel.com>
Subject: RE: [Bug 10732] REGRESSION: 2.6.26-rc2-git4: X server failed start onX61s laptop
Date: Sat, 17 May 2008 11:11:56 -0700 [thread overview]
Message-ID: <1211047916.27447.314.camel@koto.keithp.com> (raw)
In-Reply-To: <924EFEDD5F540B4284297C4DC59F3DEE01119B07@orsmsx423.amr.corp.intel.com>
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On Sat, 2008-05-17 at 09:02 -0700, Pallipadi, Venkatesh wrote:
> I am thinking that may be X is depending on mprotect changes somehow and
> failing when
> it cannot change PAT attributes with mprotect call. Keith earlier
> mentioned that X
> will not depend on this. May be something to do with earlier X version.
> Keith?
It looks like we can turn off read/write access, but we can't turn it
back on. So,
mprotect (map->memory, map->size, PROT_NONE);
mprotect (map->memory, map->size, PROT_READ|PROT_WRITE);
leaves the memory with no access.
Eric saw this last week; I don't know whether he debugged into it
further.
Which repository is commit 1c12c4cf in?
--
keith.packard@intel.com
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next prev parent reply other threads:[~2008-05-17 18:12 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-17 7:32 REGRESSION: 2.6.26-rc2-git4: X server failed start on X61s laptop Theodore Ts'o
2008-05-17 9:49 ` Sitsofe Wheeler
2008-05-17 13:21 ` Pallipadi, Venkatesh
2008-05-17 15:41 ` [Bug 10732] " Theodore Tso
2008-05-17 16:02 ` [Bug 10732] REGRESSION: 2.6.26-rc2-git4: X server failed start onX61s laptop Pallipadi, Venkatesh
2008-05-17 16:53 ` Theodore Tso
2008-05-17 18:11 ` Keith Packard [this message]
2008-05-17 18:32 ` Gabriel C
2008-05-17 18:46 ` Theodore Tso
2008-05-19 21:25 ` Hugh Dickins
2008-05-19 23:04 ` Jeremy Fitzhardinge
2008-05-19 23:10 ` Linus Torvalds
2008-05-20 2:33 ` Linus Torvalds
2008-05-20 4:14 ` Hugh Dickins
2008-05-20 7:32 ` Jeremy Fitzhardinge
2008-05-20 7:31 ` Jeremy Fitzhardinge
2008-06-02 21:21 ` Fix for asm warning in head_32.S Joe Korty
2008-05-17 16:36 ` [Bug 10732] REGRESSION: 2.6.26-rc2-git4: X server failed start on X61s laptop Arjan van de Ven
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