Re: startx on Fedora died today

[Hans de Goede <hdegoede@redhat.com>]

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Hi,

On 07/11/2014 08:22 AM, Chris Wilson wrote:
> On Thu, Jul 10, 2014 at 09:09:31PM -0400, Felix Miata wrote:
>> F21 branched off Rawhide over recent hours. On i945G host gx62b I
>> cloned first, then upgraded one to current F21 state and the other
>> to Rawhide. Before today's upgrade, which moved server from
>> 1.15.99.903 to 1.15.99.904 on both, and kernel from rc4git0.1 to
>> rc4git2.1, booting first to multi-user, startx was working normally.
>> Now it won't[1], though X (KDM/KDE) does work by booting to
>> graphical instead of multi-user[2].
>>
>> Is this an already known driver problem? Server? Kernel?
> 
> The difference being when it crashed it tried to open the logind fd. This
> is a server bug - it looks like the recent non-pci platform device
> conflicts with the systemd integration.

Yes, pretty literary conflicts, they re-used an existing
ODEV_ATTRIB id for a new one they used (probably an innocent rebase
error).

I've just send a fix to the xorg-devel list for this, and I'm starting
a new Fedora rawhide / F-21 server build with this fix included.

I've attached the fix here for reference.

Regards,

Hans

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>From 1f822291a3db6b5f6bd5f60ba240f2ee0cbdf683 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Fri, 11 Jul 2014 09:49:13 +0200
Subject: [PATCH] Fix ODEV_ATTRIB_DRIVER overlapping with ODEV_ATTRIB_FD

Looks like the value of ODEV_ATTRIB_DRIVER was not updated when the patch
adding it got rebased on top of a newer server version.

This fixes the xserver crashing when systemd-logind integration is used.

https://bugzilla.redhat.com/show_bug.cgi?id=1118540

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 include/hotplug.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/hotplug.h b/include/hotplug.h
index c4268a0..b2c0d78 100644
--- a/include/hotplug.h
+++ b/include/hotplug.h
@@ -88,7 +88,7 @@ config_odev_free_attributes(struct OdevAttributes *attribs);
 /* Minor number of the device node pointed to by ODEV_ATTRIB_PATH */
 #define ODEV_ATTRIB_MINOR 6
 /* kernel driver name */
-#define ODEV_ATTRIB_DRIVER 4
+#define ODEV_ATTRIB_DRIVER 7
 
 typedef void (*config_odev_probe_proc_ptr)(struct OdevAttributes *attribs);
 void config_odev_probe(config_odev_probe_proc_ptr probe_callback);
-- 
2.0.0


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