Mailinglist Archive: opensuse-factory (1564 mails)

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Re: [opensuse-factory] gdm launch failure
Le vendredi 04 novembre 2011 à 10:53 +0100, Dimstar / Dominique
Leuenberger a écrit :
On Sat, 2011-10-22 at 23:42 +0200, Dimstar / Dominique Leuenberger
wrote:
Hi all,

I just dup'ed my machine today as well and ran into an issue I believe a
bunch of users ran into already.

GDM fails to show the greeter with the all famous 'oh no! something has
gone wrong' error message.

I could track it down to /dev/nvidiactl: the gdm greeter seems not to
have sufficient permissions to access this device, causing the error.

/dev/nvidiactl is created as crw-rw---- root:video; which obviously is
not matching the gdm user's permission.

As a quick workaround I just added user 'gdm' to the group 'video',
which helped over the problem, but I'm wondering why this would have
started to happen now?

Dominique

Apparently more users start seeing this now as well, see
https://bugzilla.novell.com/show_bug.cgi?id=728259

How was the permission on that device handled in the past? What changed
and why did we loose it?

I'm very tempted of flagging that issue as a blocker, as a big part of
nvidia users will be affected by this.

Looks like ACL aren't set to nvidia devices, unlike drm "classic"
device :

70-uaccess.rules:SUBSYSTEM=="drm", KERNEL=="card*", TAG+="uaccess"
70-udev-acl.rules:SUBSYSTEM=="drm", KERNEL=="card*", TAG+="udev-acl"

there is no similar rule for nvidia.

--
Frederic Crozat <fcrozat@xxxxxxxx>
SUSE

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