[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 Johannes Obermayr changed: What|Removed |Added Status|NEW |RESOLVED Resolution||FIXED --- Comment #10 from Johannes Obermayr 2012-01-04 05:06:07 PST --- It does not crash when building against recent kernels. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug.
[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 Johannes Obermayr johannesoberm...@gmx.de changed: What|Removed |Added Status|NEW |RESOLVED Resolution||FIXED --- Comment #10 from Johannes Obermayr johannesoberm...@gmx.de 2012-01-04 05:06:07 PST --- It does not crash when building against recent kernels. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug. ___ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel
[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 --- Comment #9 from Matthew Garrett 2011-04-14 08:29:30 PDT --- That's bizarre. I can't see any obvious way this could happen. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug.
[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 --- Comment #8 from Michel D?nzer 2011-04-14 07:59:21 PDT --- So bl_get_data() returns NULL in radeon_legacy_backlight_get_brightness(). I'm stumped as to how that could happen... Any ideas, Matthew? -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug.
[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 --- Comment #8 from Michel Dänzer mic...@daenzer.net 2011-04-14 07:59:21 PDT --- So bl_get_data() returns NULL in radeon_legacy_backlight_get_brightness(). I'm stumped as to how that could happen... Any ideas, Matthew? -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug. ___ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel
[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 --- Comment #9 from Matthew Garrett mj...@srcf.ucam.org 2011-04-14 08:29:30 PDT --- That's bizarre. I can't see any obvious way this could happen. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug. ___ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel
[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 --- Comment #7 from Johannes Obermayr 2011-04-07 11:00:32 PDT --- After a second and third try (after reboots) I got: [drm] pdata=0072 I assume it is the value I receive each time now. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug.
[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 Johannes Obermayr changed: What|Removed |Added Attachment #45373|0 |1 is obsolete|| --- Comment #6 from Johannes Obermayr 2011-04-07 10:03:15 PDT --- Created an attachment (id=45392) --> (https://bugs.freedesktop.org/attachment.cgi?id=45392) dmesg dmesg output with applied Debugging patch -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug.
[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 --- Comment #5 from Michel D?nzer 2011-04-07 08:35:56 PDT --- Created an attachment (id=45386) View: https://bugs.freedesktop.org/attachment.cgi?id=45386 Review: https://bugs.freedesktop.org/review?bug=36037=45386 Debugging patch This patch (only compile tested) should print the pointer values before referencing them, and bail if one of them is NULL. This should also avoid the immediate crash, but it might still crash elsewhere later on. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug.
[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 --- Comment #4 from Michel D?nzer 2011-04-07 07:51:26 PDT --- Thanks, but I mean modifying radeon_legacy_backlight_get_brightness() to print the value of each pointer before dereferencing it. If you don't know how to do that, I can try whipping up a test patch. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug.
[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 Johannes Obermayr changed: What|Removed |Added Attachment #45356|0 |1 is obsolete|| --- Comment #3 from Johannes Obermayr 2011-04-07 07:27:13 PDT --- Created an attachment (id=45373) --> (https://bugs.freedesktop.org/attachment.cgi?id=45373) dmesg (In reply to comment #2) > Looks like one of the pointers in radeon_legacy_backlight_get_brightness() is > NULL, but I'm not sure which one that could be. Johannes, can you add some > debugging output to see which one it is? boot parameter: drm.debug=255 nomodeset 3 then a 'rmmod radeon' and finally a 'modprobe radeon' -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug.
[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 Michel D?nzer changed: What|Removed |Added Product|xorg|DRI Version|git |unspecified Component|Driver/Radeon |DRM/Radeon AssignedTo|xorg-driver-ati at lists.x.org |dri-devel at lists.freedesktop ||.org QAContact|xorg-team at lists.x.org | --- Comment #2 from Michel D?nzer 2011-04-07 02:58:34 PDT --- Looks like one of the pointers in radeon_legacy_backlight_get_brightness() is NULL, but I'm not sure which one that could be. Johannes, can you add some debugging output to see which one it is? -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug.
[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 Michel Dänzer mic...@daenzer.net changed: What|Removed |Added Product|xorg|DRI Version|git |unspecified Component|Driver/Radeon |DRM/Radeon AssignedTo|xorg-driver-...@lists.x.org |dri-devel@lists.freedesktop ||.org QAContact|xorg-t...@lists.x.org | --- Comment #2 from Michel Dänzer mic...@daenzer.net 2011-04-07 02:58:34 PDT --- Looks like one of the pointers in radeon_legacy_backlight_get_brightness() is NULL, but I'm not sure which one that could be. Johannes, can you add some debugging output to see which one it is? -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug. ___ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel
[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 Johannes Obermayr johannesoberm...@gmx.de changed: What|Removed |Added Attachment #45356|0 |1 is obsolete|| --- Comment #3 from Johannes Obermayr johannesoberm...@gmx.de 2011-04-07 07:27:13 PDT --- Created an attachment (id=45373) -- (https://bugs.freedesktop.org/attachment.cgi?id=45373) dmesg (In reply to comment #2) Looks like one of the pointers in radeon_legacy_backlight_get_brightness() is NULL, but I'm not sure which one that could be. Johannes, can you add some debugging output to see which one it is? boot parameter: drm.debug=255 nomodeset 3 then a 'rmmod radeon' and finally a 'modprobe radeon' -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug. ___ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel
[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 --- Comment #4 from Michel Dänzer mic...@daenzer.net 2011-04-07 07:51:26 PDT --- Thanks, but I mean modifying radeon_legacy_backlight_get_brightness() to print the value of each pointer before dereferencing it. If you don't know how to do that, I can try whipping up a test patch. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug. ___ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel
[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 --- Comment #5 from Michel Dänzer mic...@daenzer.net 2011-04-07 08:35:56 PDT --- Created an attachment (id=45386) View: https://bugs.freedesktop.org/attachment.cgi?id=45386 Review: https://bugs.freedesktop.org/review?bug=36037attachment=45386 Debugging patch This patch (only compile tested) should print the pointer values before referencing them, and bail if one of them is NULL. This should also avoid the immediate crash, but it might still crash elsewhere later on. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug. ___ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel
[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 Johannes Obermayr johannesoberm...@gmx.de changed: What|Removed |Added Attachment #45373|0 |1 is obsolete|| --- Comment #6 from Johannes Obermayr johannesoberm...@gmx.de 2011-04-07 10:03:15 PDT --- Created an attachment (id=45392) -- (https://bugs.freedesktop.org/attachment.cgi?id=45392) dmesg dmesg output with applied Debugging patch -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug. ___ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel
[Bug 36037] RV250Lf: airlied/drm-fixes branch crashes in new backlight code
https://bugs.freedesktop.org/show_bug.cgi?id=36037 --- Comment #7 from Johannes Obermayr johannesoberm...@gmx.de 2011-04-07 11:00:32 PDT --- After a second and third try (after reboots) I got: [drm] pdata=0072 I assume it is the value I receive each time now. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug. ___ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel
