| ubotu | New bug: #151426 in xorg (main) "Nvidia flickers since kernel 2.6.22-13 and -14" [Undecided,New] https://launchpad.net/bugs/151426 | 12:31 |
|---|---|---|
| ubotu | New bug: #151016 in linux-source-2.6.22 (main) "New in 2.6.22-13: No video after resume from suspend on MacBook (dup-of: 127101)" [Undecided,Invalid] https://launchpad.net/bugs/151016 | 01:21 |
| === pcjc2 [n=pcjc2@pcjc2.trin.cam.ac.uk] has joined #ubuntu-x | ||
| bryce | heya pcjc2 | 03:42 |
| pcjc2 | hi | 03:42 |
| pcjc2 | where were you adding a usleep? | 03:42 |
| bryce | --- xserver-xorg-video-intel-2.1.1.orig/src/i830_driver.c | 03:43 |
| bryce | +++ xserver-xorg-video-intel-2.1.1/src/i830_driver.c | 03:43 |
| bryce | @@ -1957,6 +1957,7 @@ | 03:43 |
| bryce | OUTREG(VCLK_POST_DIV, pI830->saveVCLK_POST_DIV); | 03:43 |
| bryce | for(i = 0; i < 256; i++) { | 03:43 |
| bryce | + usleep(20); | 03:43 |
| bryce | OUTREG(PALETTE_A + (i << 2), pI830->savePaletteA[i] ); | 03:43 |
| bryce | } | 03:43 |
| pcjc2 | ah - see if the register access is too fast for the HW? | 03:43 |
| pcjc2 | the other point in the code where the pallette is programmed made the assertion (in comments) that the PLL / clock had to be running | 03:44 |
| pcjc2 | I'm presuming this is the case after we're restored the clock register (s) above | 03:44 |
| bryce | mm could be | 03:44 |
| pcjc2 | although I (vaguely) recall delays being used to wait whilst the PLLs stablise | 03:44 |
| bryce | hrm, running this under gdb isn't working very well | 03:53 |
| bryce | bbiab (dinner) | 03:53 |
| pcjc2 | how comes? | 03:54 |
| pcjc2 | not crashing with GDB? | 03:54 |
| pcjc2 | or just not easy to trace through | 03:55 |
| pcjc2 | It just occured to me.. the set_cursor_colors function sets the palette regs | 03:58 |
| pcjc2 | and that is another place I've seen it crash (not that function specifically, but after reloading cursors)... I could never make it do it once I'd added a print statement to see what functions were being called... timing does look like a distinct possibility | 03:59 |
| bryce | when running under gdb when I switch to tty1 it doesn't switch; the background turns purple though, and the system behaves erratically after that, until reboot | 04:10 |
| pcjc2 | gdb presumably affects timing | 04:10 |
| pcjc2 | I have absolutely no idea why... but that ramdac thing "seems" to make a difference here | 04:11 |
| pcjc2 | when I patched it the other way (forced ramdac to load with SWCursor), it said it was already built in | 04:11 |
| pcjc2 | you're supposed to need ramdac to do HW Cursors (and they program the palette) | 04:11 |
| pcjc2 | but I don't see the intel driver using it | 04:12 |
| bryce | <bryce> mjg59: adding the usleep() had no effect; still crashed with gray block lockup | 04:14 |
| bryce | <mjg59> bryce: Ok, so probably not a timing issue. If you skip that block entirely, does it work? | 04:14 |
| pcjc2 | for whatever reason, I'm not getting the crash | 05:01 |
| pcjc2 | but it messes up the video overlay control registers | 05:01 |
| pcjc2 | (and presumably has trampled a load of memory / IO somewhere) | 05:01 |
| pcjc2 | before bug, I have XV frames flipping between buffers at 0x80004000 and 0x80104000 | 05:02 |
| pcjc2 | after, I've got 0x80000000 and 0x80100000 | 05:03 |
| pcjc2 | (sorry, those are the wrong way around) | 05:03 |
| bryce | after running the -intel with the aforementioned loop blocks removed, I've been unable to reproduce the bug | 05:04 |
| bryce | deb, debdiff, etc. at http://people.ubuntu.com/~bryce/Testing/bug127101/ | 05:04 |
| pcjc2 | nice | 05:14 |
| pcjc2 | I'll test that here | 05:14 |
| pcjc2 | See if I can get past running XV a 2nd time | 05:14 |
| pcjc2 | no | 05:29 |
| pcjc2 | sorry... something is still not right | 05:29 |
| pcjc2 | just rebooting to make sure the video hardware is really clean | 05:29 |
| pcjc2 | sorry... I've still got a crash here | 05:33 |
| pcjc2 | am running compiz | 05:33 |
| pcjc2 | (or whatever the fancy accelerated desktop is) | 05:33 |
| pcjc2 | mplayer video.ogg | 05:33 |
| pcjc2 | (works) | 05:33 |
| pcjc2 | close mplayer | 05:33 |
| bryce | like I said on the bug, this fix is not intended to fix the Xv bug | 05:34 |
| pcjc2 | switch to VT1 (nocrash with either your patch or my noramdac patch - goodness knows why), switch back | 05:34 |
| pcjc2 | ok - is that a different known bug? | 05:34 |
| bryce | yes | 05:34 |
| pcjc2 | doh | 05:34 |
| bryce | they both result in the gray blinking blocks | 05:35 |
| pcjc2 | I've probably been seeing a slightly different crash | 05:35 |
| bryce | but one is 127101, the other is 141063 | 05:35 |
| bryce | I don't know if yours is 141063, but it's not 127101 | 05:35 |
| pcjc2 | mine only occasionally resulted in blinking blocks - more usually a pallette corruption, followed by crash | 05:35 |
| pcjc2 | did you try the ramdac thing? | 05:35 |
| bryce | it could be you're seeing multiple issues | 05:35 |
| pcjc2 | I'm certain it must just be some fluke | 05:35 |
| bryce | no I stopped after my change seemed to resolve it | 05:36 |
| pcjc2 | as it seemed to work.. but having chased the code paths which I commented out, shouldn't actually have any effect! | 05:36 |
| pcjc2 | We need the Intel docs to resolve this _properly_ | 05:36 |
| bryce | plus it's getting late and I'm going to be out the rest of the week at a customer site, so need to do some packing and spend a little time with the gf ;-) | 05:36 |
| pcjc2 | Presumably there is a reason to restore the pallette regs | 05:36 |
| pcjc2 | That sounds like a good point | 05:37 |
| pcjc2 | its 4:37am here | 05:37 |
| bryce | yikes! | 05:37 |
| bryce | yeah I was up late last night myself on this | 05:37 |
| bryce | you'll probably have better ideas once you've had time to sleep on it | 05:37 |
| pcjc2 | I've caught myself in a nasty insomniac cycle which will give me real problems for tomorrow's 9am lab demonstration! | 05:37 |
| pcjc2 | (todays) | 05:38 |
| pcjc2 | I'll chase the report on the Xv bug, see what I can learn | 05:38 |
| pcjc2 | Goodnight! | 05:38 |
| bryce | night! | 05:38 |
| ubotu | New bug: #151484 in scim (main) "SCIM Disallows renaming of files (dup-of: 66104)" [Undecided,New] https://launchpad.net/bugs/151484 | 08:05 |
| tepsipakki | bryce: seems that the blackscreen-ati | 08:09 |
| tepsipakki | uh | 08:09 |
| tepsipakki | let me try again | 08:09 |
| bryce | hi tepsipakki | 08:12 |
| tepsipakki | seems that bug 132716 can be narrowed down pretty well | 08:12 |
| ubotu | Launchpad bug 132716 in xserver-xorg-video-ati "ATI Driver Gets Black Screen on Radeon 7500 Mobile (Regression)" [High,Confirmed] https://launchpad.net/bugs/132716 | 08:12 |
| tepsipakki | it should be safe to add a workaround at least for the inspiron | 08:14 |
| bryce | ok | 08:18 |
| bryce | I think we've got a potential fix for bug 127101 too | 08:18 |
| ubotu | Launchpad bug 127101 in xserver-xorg-video-intel "laptop hangs when switching video mode" [High,In progress] https://launchpad.net/bugs/127101 | 08:18 |
| bryce | tepsipakki: I've posted a debdiff to fix up a couple xresprobe issues, but I'm going to be out of town the rest of the week | 08:20 |
| bryce | it includes the vesa portion of tormod's patch | 08:21 |
| bryce | tepsipakki: I'd appreciate it if you could speak with slangasek about getting it in for final. | 08:21 |
| bryce | it's not the end of the world if it doesn't make it, though. | 08:22 |
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| tepsipakki | bryce: I already uploaded the vesa-fix :) | 08:23 |
| bryce | ah ok | 08:24 |
| tepsipakki | slangasek asked for it yesterday | 08:24 |
| bryce | I saw it in the backlog but didn't notice the result | 08:24 |
| tepsipakki | did soren test the xresprobe fix? | 08:26 |
| bryce | not that I know of | 08:27 |
| bryce | to be honest I'm still not sure if it is a critical enough fix to need going in | 08:29 |
| bryce | it only is needed for intel laptops where ddcprobe fails, which I think would be fairly rare | 08:29 |
| bryce | otoh, chances for regression are pretty small | 08:29 |
| tepsipakki | and the installer does work after that, it's just that you need to hit enter a couple of times :) | 08:29 |
| bryce | but the bug is marked as milestoned for -rc | 08:30 |
| bryce | night! | 08:36 |
| tepsipakki | night :) | 08:42 |
| tepsipakki | I wouldn't mind going to bed again.. instead I cycled 9km to work when it was -3C | 08:43 |
| soren | tepsipakki: Which xresprobe fix is that? | 09:29 |
| tepsipakki | the intel corruption with alternative installer | 09:30 |
| soren | No, that's the bug, not the fix :) | 09:31 |
| tepsipakki | heh, right | 09:31 |
| tepsipakki | check the bug, Bryce asked you to test the fix (links there) .) | 09:32 |
| tepsipakki | :) | 09:32 |
| soren | Yes, just saw it. | 09:33 |
| soren | Um.. Sure, I'll try it when I'm in my office. | 09:33 |
| tepsipakki | great | 09:34 |
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| ubotu | New bug: #141401 in linux-restricted-modules-2.6.22 (restricted) "xen amd64 nvidia module missing or broken" [Undecided,New] https://launchpad.net/bugs/141401 | 10:05 |
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| ubotu | New bug: #148709 in xrandr (main) "Xrandr rotate with metacity artifacts" [Undecided,New] https://launchpad.net/bugs/148709 | 11:27 |
| soren | tepsipakki: I just tested the fix from Bryce. It doesn't break the display, but asks me for my resolution, but I suppose that's to be extected? | 11:29 |
| soren | ...since it neither gets the info from ddcprobe nor xprobe.. | 11:30 |
| tepsipakki | soren: right.. | 11:36 |
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| soren | tepsipakki: Ok, so I guess the fix works as intended. It's not optimal, but better than before. | 11:41 |
| tepsipakki | yeah | 11:43 |
| ubotu | New bug: #146954 in linux-restricted-modules-2.6.22 (restricted) "gnome freezes after proprietary nvidia driver install" [Undecided,Confirmed] https://launchpad.net/bugs/146954 | 11:46 |
| ubotu | New bug: #151558 in linux-restricted-modules-2.6.22 (restricted) "nvidia driver crashes sauerbraten" [Undecided,New] https://launchpad.net/bugs/151558 | 01:40 |
| ubotu | New bug: #151557 in compiz (main) "compiz dies immediately in kde/kubuntu gutsy latest after dist upgrade (dup-of: 144241)" [Medium,New] https://launchpad.net/bugs/151557 | 01:50 |
| ubotu | New bug: #66481 in linux-source-2.6.17 (main) "Atheros WLAN (MadWifi) poor signal strength (dup-of: 62106)" [Medium,Confirmed] https://launchpad.net/bugs/66481 | 02:31 |
| ubotu | New bug: #147361 in xserver-xorg-video-ati (main) "[gutsy] kdm crashes when randr is enabled" [Undecided,Incomplete] https://launchpad.net/bugs/147361 | 02:41 |
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| slowhand | hi | 03:29 |
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| pcjc2 | Hi Bryce | 04:40 |
| bryce | heya pcjc2 | 04:40 |
| pcjc2 | am playing with the Xv issue | 04:41 |
| pcjc2 | I'm just trying to make sure it forces a reset of the Xv regs / setup after its mode-switched, see if that helps | 04:41 |
| pcjc2 | I wonder if the mode-setting is clearing the Xv regs, and as we don't seem to be reprogramming them afterwards - it might be an issue | 04:42 |
| pcjc2 | To be honest though, I don't know what bits of the driver Compiz invokes which would make it only appear with compiz | 04:42 |
| pcjc2 | yep | 04:43 |
| pcjc2 | fixes the issue for me! | 04:43 |
| bryce | ooh, awesome | 04:43 |
| pcjc2 | Also, ubuntu patch 01 has a bug | 04:43 |
| pcjc2 | kindof... it introduces an extra condition test checking to see whether to return BadAlloc or not | 04:44 |
| bryce | can you report that to the ubuntu-x@ list? I'm about to hop on a plane and will be gone the next couple days | 04:44 |
| pcjc2 | but doesn't add () around it, the test is like (A && B || C) | 04:44 |
| bryce | ah | 04:44 |
| pcjc2 | where it should be (for clarity at least), (A && ( B || C)) | 04:44 |
| pcjc2 | I will disect to make sure it wasn't just this tiny little change (as well as my "hack" of a forced reset) which helps | 04:45 |
| === bryce nods | ||
| pcjc2 | It shouldn't be the if statement, as if that were to be the problem, it would either return BadAlloc un-necessarily | 04:45 |
| pcjc2 | or NOT return BadAlloc when it should. | 04:46 |
| pcjc2 | We should probably send the info via Intel at least.. I'm so new to the driver - and they have the docs / knowledge of _how_ it should work | 04:46 |
| pcjc2 | Being dumb... where is the ubuntu-x@ list subscription? | 04:47 |
| pcjc2 | darn.... still managed hang the GPU mode-switching with Xrandr whilst its playing video | 04:50 |
| tepsipakki | pcjc2: lists.ubuntu.com | 04:51 |
| pcjc2 | tepsipakki: thanks | 04:52 |
| ubotu | New bug: #151351 in xserver-xorg-video-intel (main) "Corrupted screen on G33 with -14 kernel; regression from -13" [High,Confirmed] https://launchpad.net/bugs/151351 | 05:14 |
| ubotu | New bug: #151621 in xorg (main) "Cursor Disappears - Nvidia Card" [Undecided,New] https://launchpad.net/bugs/151621 | 06:15 |
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| pcjc2 | I've sent a possible fix for #141063 to ubuntu-x@ | 06:55 |
| ubotu | New bug: #151635 in xserver-xorg-video-intel (main) "Intel G33 X broken again by -14 kernel" [Undecided,New] https://launchpad.net/bugs/151635 | 06:56 |
| tepsipakki | pcjc2: that's already been fixed by dropping a patch | 06:57 |
| tepsipakki | which needed a patch for the kernel, which has also been dropped :) | 06:58 |
| pcjc2 | ok, can you point me at the upload? | 07:00 |
| pcjc2 | ok, I see it | 07:01 |
| pcjc2 | that fixed it? | 07:04 |
| pcjc2 | I didn't think I had "G33" class hardware! | 07:04 |
| pcjc2 | was it the kernel patch which was causing the corruption? | 07:07 |
| pcjc2 | because the patch dropped from the xorg driver looks like a NOP on my hardware | 07:07 |
| pcjc2 | No, I can confirm the 0ubuntu7 release which drops the G33 patch does not fix #151621 | 07:15 |
| pcjc2 | (sorry... wrong number... that was unrelated) | 07:15 |
| pcjc2 | I can confirm the 0ubuntu7 release which drops the G33 patch does not fix #141063 | 07:15 |
| tepsipakki | oops, sorry.. I was confused | 07:33 |
| tepsipakki | right after your message ubotu mentioned about a bug, which I thought was the one you mentioned :) | 07:39 |
| pcjc2 | Unfortunately Bryce's workaround for the grey blocks crash breaks palette restore when switching back to console | 07:40 |
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| ubotu | New bug: #151674 in linux-restricted-modules-2.6.22 (restricted) "compiz+nvidia: tearing in xvideo (totem/mplayer/VLC)" [Undecided,New] https://launchpad.net/bugs/151674 | 09:51 |
| ubotu | New bug: #147837 in xserver-xorg-video-intel (main) "[gutsy] Text Installation failed - 2 reasons: encrypted+lvm fs, screen font hang" [Undecided,New] https://launchpad.net/bugs/147837 | 10:26 |
| ubotu | New bug: #132739 in linux-restricted-modules-2.6.22 (restricted) "init.d/linux-restricted-modules-common script issues "Read only file system" error" [Undecided,Fix released] https://launchpad.net/bugs/132739 | 10:31 |
| ubotu | New bug: #151689 in xserver-xorg-driver-ati (main) "gdm or kdm has a huge font" [Undecided,New] https://launchpad.net/bugs/151689 | 10:55 |
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| ubotu | New bug: #147081 in xserver-xorg-video-intel (main) "movie player distorts image horizontally" [Low,New] https://launchpad.net/bugs/147081 | 11:30 |
| ubotu | New bug: #151704 in xorg (main) "gutsy, xorg cpu usage during video playback" [Undecided,New] https://launchpad.net/bugs/151704 | 11:30 |
| pcjc2 | well... its not pretty (still got a lot of debug code which stops me setting the palette anywhere), but I may have got a fix for #127101 | 11:58 |
| pcjc2 | I took the block Bryce commented out (stops it crashing, but messes up the console palette) and moved it to before other registers are restored | 11:59 |
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