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| alkisg_web | Hi, my xorg has hanged with 100% CPU usage. With strace -p `pidof X` from an ssh connection I see it's on a clock_gettime/settimer loop: http://alkisg.pastebin.com/hGGVYdyt | 11:39 |
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| alkisg_web | Any hints before I start trying to kill apps in case it recovers? | 11:39 |
| tjaalton | strace isn't useful, see https://wiki.ubuntu.com/X/Debugging instead | 11:43 |
| alkisg_web | Thank you, looking.. | 11:44 |
| tjaalton | backtracing in particular | 11:44 |
| alkisg_web | "Now do what you need to make the X server crash. Or, if the problem is that the X server is locked up and doesn't react, stop it with ctrl-C. Now get a backtrace: " | 11:52 |
| alkisg_web | What if Ctrl+C doesn't stop it? | 11:52 |
| alkisg_web | Ctrl+Z suspends the task, but Ctrl+C doesn't do anything... | 11:53 |
| tjaalton | hmm, dunno | 11:55 |
| * alkisg_web even killed -9 Xorg but the gdb process still wouldn't accept ctrl+C, only ctrl+Z... I'll try again on the next crash (it's too often with this openchrome driver :() | 12:01 | |
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| Azelphur | Sarvatt: no crashes in 2 days, your patch is definitely working :) | 16:45 |
| Azelphur | you should commit it :D | 16:45 |
| jitaki | hello | 16:46 |
| Sarvatt | Azelphur: it needs more review first, your case is rather special and it has a high probability of breaking other things :) | 16:49 |
| Azelphur | hehe ok | 16:49 |
| Azelphur | Sarvatt: it's getting pretty heavy testing by me, as this is the houses MythTV box | 16:49 |
| Azelphur | so 24/7 on with multiple users, it gets a lot of use, if I see any problems I'll let you know :) | 16:49 |
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| hyperair | Sarvatt: update: when compiz hangs on XGetSomethingOrOtherThatShouldNotHang, Xorg uses 100% CPU. | 17:08 |
| hyperair | or near there anyway | 17:08 |
| hyperair | Sarvatt: gdb shows that the bottom of the stack trace always shows xxvi, and the top is always in libpixman | 17:08 |
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| alkisg | The stock Lucid openchrome driver, 1:0.2.904+svn827-1, crashes my PC. If I boot it with Debian Squeeze (openchrome 1:0.2.904+svn842-2), it doesn't crash. Is there any way to update only that specific driver in Lucid and test if that is indeed the cause/fix of my problem? | 21:53 |
| alkisg | (it crashes after a few minutes of usage, but I was unable to get a backtrace, gdb wouldn't accept ctrl+c) | 21:54 |
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| bjsnider | alkisg, the openchrome driver has not had any code changes upstream (if there is such a thing in regards to that driver) since may 2k10 | 22:20 |
| alkisg | bjsnider: in the changelog I see some fixes that relate to hangs, which may be what I experience | 22:21 |
| alkisg | From svn827, the lucid version, to svn842, the squeeze version | 22:21 |
| bjsnider | ok, so debian has a newer version | 22:21 |
| alkisg | I looked at xorg-edgers ppa but I don't see a new version to try out there.. | 22:22 |
| alkisg | The maverick or natty version would also do, but the packages are not compatible - can I just recompile those? | 22:22 |
| alkisg | E.g. send them to my ppa on launchpad and have them compiled there, and then install the .deb? | 22:23 |
| bjsnider | you could do that with the squeeze package if you think it will help | 22:25 |
| bjsnider | lucid would have an older version because it came out before may 2k10 | 22:25 |
| bjsnider | you could upgrade the whole system to maverick | 22:25 |
| alkisg | It's a thin client so I'd have to upgrade my server to maverick too :( | 22:27 |
| alkisg | The squeeze package has a dependency on xorg abi 6.0 or something like that, which in not satisfiable on lucid, do I have to change some constant in the code before compiling? | 22:27 |
| alkisg | ...anyway the most important question is this, suppose I do verify that the lucid openchrome package has some serious bug and an it hangs for some models, would it be possible to get a backport for the package? | 22:31 |
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| alkisg | Thank you, bb | 22:44 |
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