ATI trouble: (EE) fglrx(1): [DRI] Locking deadlock.

Melior · n00b Joined: 30 Jul 2006 Posts: 10

Hi to everybody,
recently I decided do update my xorg-server from 1.3 to 1.4 to solve the annoying dual monitor bugs (i.e. strange resolution, java crashing etc...).

I emerged the 1.4 with all the dependency... patch the ATI drivers ebuild to emerge the ati-drivers-8.40.4 and now I have this problem: when the second monitor is plugged, I have this message in Xorg.0.log

Mit · Posted: Wed Nov 14, 2007 9:23 am Post subject:

I get the same error on two machines here in the office, both of them are running dual screen with the latest FGLRX driver.

verdeboy2k · n00b Joined: 27 May 2006 Posts: 23

I had this problem with xorg-server-1.4-r2. Downgraded to xorg-server-1.3.0.0-r2 and all is well (DRI, AIGLX, the works).

Mit · Posted: Thu Nov 22, 2007 10:05 am Post subject:

Just tried with the newest ati drivers released yesterday - still no joy.

Already using xorg-server 1.3
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ok · Guru Joined: 11 Jul 2006 Posts: 390 Location: germany

OPelerin · Guru Joined: 17 Jul 2004 Posts: 354 Location: Belgium

Same on my

(II) Module fglrx: vendor="FireGL - ATI Technologies Inc."
(II) ATI Proprietary Linux Driver Version Identifier:8.44.3
(II) ATI Proprietary Linux Driver Release Identifier: UNSUPPORTED-8.443.1
(II) ATI Proprietary Linux Driver Build Date: Dec 19 2007 21:29:14

(EE) fglrx(1): [DRI] Locking deadlock.
Already locked with context 137137588,
trying to lock with context 2.
(EE) fglrx(1): [DRI] Unlocking inconsistency:
Context 137137588 trying to unlock lock held by context 2
(EE) fglrx(1): [DRI] Locking deadlock.
Already locked with context 137137588,
trying to lock with context 2.

If only 1 screen is on..... No issues....

As well, I cannot use 1600x1050 resolution on screen 0 anymore.... Really wierd
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Olivier PELERIN

OPelerin · Guru Joined: 17 Jul 2004 Posts: 354 Location: Belgium

Playing a bit, Now I've a workaround.

My previous xorg config [ where the issue is seen because using 2 different X engine ].

ok · Guru Joined: 11 Jul 2006 Posts: 390 Location: germany

I changed my aticonfig settings to bigdesktop, too. But this is only a workaround.
Now you can delete the unnecessary lines in xorg.conf, because you only use one screen, one monitor and one device.
If you are using different resolutions, the device-section have to be modified.
Bigdesktop can be supported by KDE: Control Center->Peripherals->Display->Multiple Monitors.

OPelerin · Guru Joined: 17 Jul 2004 Posts: 354 Location: Belgium

Just tested latest greatest ATI 8.1 catalyst release.

Issue remains the same....

Anybody have any workaround to use 2 different X?
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Olivier PELERIN

Johnny_Bit · Apprentice Joined: 30 Aug 2005 Posts: 246 Location: Poland

Seems taht the best workaround is to use xorg-server 1.3 series until AMD/ATi fully supports 1.4

Chewi · Posted: Fri Feb 15, 2008 12:09 am Post subject:

Just tried 8.2 even though it hasn't hit Portage yet. The issue is still there. I've only just got this card so at least I now know that it SHOULD work.