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Created attachment 480335 [details] dmesg after problem starts to occur Description of problem: X initially seems to work fine but then text rendering soon becomes garbled rendering things mostly unusable on GeForce 9600GT. Version-Release number of selected component (if applicable): 2011-02-22 Nouveau test day live image How reproducible: Steps to Reproduce: 1. Boot up 2. Browse around in Firefox for a few minutes 3. Actual results: Display works fine Expected results: Text in Firefox, terminal, etc. becomes garbled (missing/incorrect characters) Additional info: Smolt profile: http://www.smolts.org/client/show/pub_4b9f02aa-6abe-4182-bfb5-fe7b377f74a2 dmesg also reports: [ 249.316890] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_DISPATCH (unknown 0x00000004)
Thanks for the bug report. We have reviewed the information you have provided above, and there is some additional information we require that will be helpful in our diagnosis of this issue. You can try with the latest image from http://alt.fedoraproject.org/pub/alt/nightly-composes/desktop/ and let us know what happens. If you can still reproduce the issue, please add drm.debug=0x04 to the kernel command line, restart computer, and attach * your X server config file (/etc/X11/xorg.conf, if available), * X server log file (/var/log/Xorg.*.log) * output of the dmesg command, and * system log (/var/log/messages) to the bug report as individual uncompressed file attachments using the bugzilla file attachment link above. We will review this issue again once you've had a chance to attach this information. Thanks in advance.
Created attachment 483332 [details] /var/log/messages file with drm.debug=0x04 The problem isn't happening as quickly, but eventually the fonts still go haywire.
Created attachment 483333 [details] Xorg.0.log
Created attachment 483334 [details] dmesg output with drm.debug=0x04 This is all running with xorg-x11-drv-nouveau-0.0.16-20.20110224gitbc5dec2.fc15.i686. There is no xorg.conf file. The important stuff seems to be: [ 414.230685] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_TEXTURE - VM: Trapped read at 0040455000 status 00000a60 channel 2 (0x00000c10) [ 414.230689] [drm] nouveau 0000:01:00.0: magic set 0: [ 414.230692] [drm] nouveau 0000:01:00.0: 0x00408904: 0x20086a01 [ 414.230695] [drm] nouveau 0000:01:00.0: 0x00408908: 0x00404550 [ 414.230698] [drm] nouveau 0000:01:00.0: 0x0040890c: 0x80000e00 [ 414.230701] [drm] nouveau 0000:01:00.0: 0x00408910: 0x45500000 [ 414.230703] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_TEXTURE - TP0: Unhandled ustatus 0x00000003 [ 414.230708] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP [ 414.230712] [drm] nouveau 0000:01:00.0: PGRAPH - ch 2 (0x0000c10000) subc 2 class 0x502d mthd 0x060c data 0x0000000a [ 414.230817] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_DISPATCH (unknown 0x00000004)
Created attachment 483335 [details] Screenshot of what the resulting display looks like
Looks like this bug got fixed with the latest round of updates. I'll confirm tomorrow.
Seems to me you can close this one: I'm definitely not experiencing this issue any more.
Problem no longer seems to be occurring in current F15 updates.