/srv/irclogs.ubuntu.com/2010/12/22/#ayatana.txt

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achuthahi08:18
achuthais this a chat?08:20
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kamstrupronoc: senpai! so any gotchas I should know about when porting vala code from dbus-glib to gdbus?10:38
ronockamstrup, i found it very easy, nothing dodgy, let me think10:38
ronockamstrup, i did notice a race condition with regards receiving property update signal against checking the new value of the property on my instance10:40
ronocsometimes they value on the instance was stale10:40
ronoci got around it with a timeout10:40
kamstrupronoc: ok, cool. I don't really use properties, so let's cross fingers for a downhill ride :-)10:42
ronockamstrup, my code is much cleaner using gdbus -> lp:indicator-sound mpris-controller.vala and mpris-interfaces.vala have plenty of example code10:43
ronocCimi_, you never added yourself to the list of contributors on the transport-widget .c and .h13:05
ronocfixing now13:05
coz_good day all14:26
raffaele_Hi14:47
raffaele_I have a bug with Unity. It's a segmentation fault14:48
raffaele_can you help me?14:48
raffaele_https://bugs.launchpad.net/ubuntu/+source/unity/+bug/68609414:48
ubot5Ubuntu bug 686094 in unity (Ubuntu) "Unity and Compiz do not start" [Undecided,Incomplete]14:48
coz_raffaele_,   is this an nvidia card?14:51
raffaele_yes14:51
raffaele_a fx 520014:51
raffaele_i use the nvidia 173 drivers14:52
coz_mm  not sure how effective the  fx5200 is going to be with this14:53
coz_raffaele_,  do you know if it is an agp or  pci  card14:53
raffaele_agp14:53
raffaele_4x14:53
coz_ok14:54
coz_raffaele_,  I assume you rebooted after installing the driver ....yes?14:54
raffaele_yes14:54
raffaele_I upgraded from maverick14:56
coz_raffaele_,  ok  one thing you can try  is to reboot  and hold down the "e"  key  or   "shift + e"  to get to the grub menu and the kernel boot stanza14:56
coz_raffaele_, just before  "quiet splash"   you can type in       nomodeset  and then hit  F10 to reboot with that option14:57
raffaele_Will I disable the nvidia drivers?14:58
Amaranthraffaele_: for your backtrace, can you install libnux-0.9-0-dbgsym and get the backtrace again?14:58
raffaele_ok, wait a moment. I'm installing it14:59
Amaranthraffaele_: and (though I doubt it will matter) unity-dbgsym if you can14:59
cando_hi guys ! i'm working on bug #688407  and i need a quick mentoring... :)15:01
ubot5Launchpad bug 688407 in unity (Ubuntu) "Trashcan needs quick lists" [Low,Triaged] https://launchpad.net/bugs/68840715:01
cando_i've already added the quick list...with one entry:EMpty trash..15:02
cando_the problem is: how to empty trash...^^15:02
cando_i've already looked to the old unity-private code..15:02
raffaele_I don't found unity-dbgsym, it isn't in the repo15:03
cando_but it's in vala...i've also looked to nautilus code...but it's a bit difficult..:)15:03
raffaele_Amaranth: Ok, I've installed libnux-dbgsym. Now what should I do?15:05
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Amaranthraffaele_: use the directions in the bug report to get a new backtrace15:07
Amaranthraffaele_: just like you did last time but now it should hopefully give more info there are the top of the stack were it just shows ?? now15:08
raffaele_ok, I have the backtrace15:09
raffaele_Do I put it on Launchpad?15:09
raffaele_Do I put it on Launchpad?15:14
raffaele_http://launchpadlibrarian.net/61078543/Output215:19
raffaele_this is the backtrace, but it looks the same of the file "Output1"15:19
raffaele_@Amaranth: the new backtrace looks the same in the file "Output1". What should I do?15:24
Amaranthraffaele_: still getting the ?? at frame 0?15:24
raffaele_yes15:24
raffaele_I don't now what does it means15:25
Amaranthweird, that either means gdb can't find symbol information for a library there or gdb is unable to read the stack correctly15:25
AmaranthI suppose it could be nvidia's libGL15:25
raffaele_Ok, so this can be a problem with the Nvidia drivers? Or do I need to install other debug symbols?15:27
Amaranthwell, there is no dbgsym for nvidia and I think they strip debug symbols for "performance reasons"15:28
Sam__Can ne1 help me15:29
Sam__how can i help u people15:30
Amaranthraffaele_: I guess the unity/nux folks will have to see what they call in SubmitStateChanges and see if any of it could cause a crash15:31
Amaranthraffaele_: Probably a driver thing though :/15:31
AmaranthSam__: I don't think anyone from the DX team is actually here15:31
raffaele_If I install the Nouveau drivers, and unity works, can we say that this is a problem with Nvidia drivers?15:33
Amaranthraffaele_: Almost certainly15:34
raffaele_ok15:34
raffaele_now i try to install nouveau driver15:34
Amaranthraffaele_: You have to install the experimental package to get nouveau gl15:34
raffaele_bot the problem will remain15:34
raffaele_there isn't basic 3d support for fx 5200 in the Nuoveau drivers in the repo?15:35
Amaranthraffaele_: yeah, you just have to install libgl1-mesa-dri-experimental15:36
raffaele_ah ok15:36
raffaele_also libgl1-mesa-dri-experimental-dbg ?15:38
Amaranthraffaele_: can't hurt, hopefully won't be needed though15:38
Amaranthraffaele_: If it still crashes with nouveau it would be useful15:39
raffaele_I hate to remove the Nvidia drivers. xD15:39
Amarantheh, you can put them back on easily enough15:40
Amaranthyou can even use jockey-text to do it automatically from command line if you can't get X working15:40
raffaele_ok15:42
raffaele_sudo apt-get remove nvidia-173 nvidia-96-modaliases nvidia-current-modaliases nvidia-settings15:43
raffaele_and15:43
raffaele_sudo apt-get install libgl1-mesa-dri-experimental libgl1-mesa-dri-experimental-dbg xserver-xorg-video-nouveau xserver-xorg-video-nouveau-dbg15:44
raffaele_are correct?15:44
raffaele_I always have trouble removing the proprietary driver! XD15:45
raffaele_Ok I'm installing nouveau drivers. Now I reboot and next I'll try to start unity15:49
Amaranthraffaele_: You have to edit or remove xorg.conf too16:01
raffaele_I'm doing it from safety mode16:02
raffaele_What is the command to open the Xorg configuration file using gedit?16:03
Amaranthraffaele_: just do mv /etc/X11/xorg.conf /etc/X11/xorg.conf.backup16:04
raffaele_File not found16:04
raffaele_°_°16:04
Amaranthok, perhaps we've got xorg patched to use the nvidia driver automatically if it is installed16:05
AmaranthIn that case just start X16:05
raffaele_I'm already using X16:06
raffaele_I've runned the safe graphic mode16:06
Amaranthoh, it put you in safe mode?16:06
raffaele_I was the one to boot into recovery mode, then I used the option failsafeX and then I run in safe graphics mode16:10
raffaele_Now I'm in the X11 folder16:12
raffaele_there isn't xorg.conf16:12
raffaele_°_°16:12
raffaele_Ok i have a backup, I rename it running nautilus as root16:13
raffaele_In the driver section should I insert "nouveau" ?16:15
avishekrchi16:21
ubuntu_Hi16:46
ubuntu_ops16:46
Devil505hi16:46
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raffaele_ok16:47
raffaele_Amaranth, i have installed the nouveau drivers.16:47
raffaele_The result: kernel panick with all my kernels16:48
raffaele_I am using the ubuntu 10.10 live cd16:48
Amaranthhrm16:48
Amaranthkernel panic even when you boot in recovery mode?16:49
raffaele_yes16:49
raffaele_my lucky is that i have all my few files on Ubuntu one16:49
raffaele_xD16:49
Amaranthweird, how did you even boot the first time?16:49
raffaele_normally16:50
AmaranthWe run you on nouveau KMS at first boot (and afaik the 10.10 live cd does too) and installing that extra package would only affect things once you get in to X16:50
raffaele_now i install maverick, I-ll update16:51
coz_raffaele_,  and all you get is desktop image and cursor ...yes?16:51
Amaranthyou can chroot in to your installed system and remove the package or just edit your xorg.conf to use the vesa driver and edit /etc/modprobe.d/blacklist.conf to blacklist nouveaufb16:51
Amaranthraffaele_: no need to reinstall for such a thing16:52
raffaele_ok16:52
raffaele_ok16:52
raffaele_say me the commands to do on the live cd16:53
raffaele_I have the root file system on sda516:53
Amaranthraffaele_: just edit /etc/modprobe.d/blacklist.conf and add a 'blacklist nouveaufb' line16:53
Amaranthraffaele_: then boot in recovery mode and install the nvidia driver again16:54
raffaele_again? xD16:56
raffaele_so how we do to fix this bug?16:56
Amaranthraffaele_: I dunno, the nouveau guys are still pretty much against getting bug reports16:59
AmaranthIf you can get a decent amount of info on the nouveau kernel panic that may be fixable16:59
Amaranthraffaele_: For unity crashing with nvidia we fall back on "have the unity/nux developers see if something in that last nux function could crash"16:59
AmaranthIf not perhaps running under valgrind will give more info, otherwise it's likely a driver bug and the best solution is to blacklist your card from even trying to run compiz/unity17:00
raffaele_I now how to run it under valgrind17:00
raffaele_I had already doed this17:00
raffaele_but I don't now how save the backtrace17:01
raffaele_because17:01
raffaele_the backtrace have A LOT of log lines17:01
Amaranthraffaele_: yeah, you have to pipe the output to a file17:01
Amaranthraffaele_: valgrind compiz --replace ccp 2> valgrindlog17:02
coz_ok be back in about an hour or so17:02
Amaranththat should do it, iirc17:02
raffaele_ok17:02
raffaele_now I reboot and i install the nvidia drivers17:02
raffaele_bye17:02
raffaele_quit17:03
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raffaele_@Amaranth: I'm again here. How do I use valgrind to have a backtrace of compiz?19:30
Amaranthraffaele_: valgrind compiz --replace ccp 2> valgrindlog19:31
Amaranthraffaele_: I think that should do it19:31
raffaele_ok19:31
raffaele_Should I install the debug symbols for compiz, nux, ....?19:32
Amaranthraffaele_: both, and unity19:40
raffaele_ok19:40
Amaranthit's going to be full of junk from the nvidia driver but hopefully something useful will be in there too, just attach it to the bug19:41
raffaele_ok now i execute valgrind19:44
Amaranthit's going to be slow and appear to freeze for a long time19:45
raffaele__ok20:05
raffaele__I've the output20:05
raffaele__I've got the output20:05
Amaranthraffaele__: attach it to the bug and the unity guys should look at it eventually20:06
nmarquesanyone can gimme some pointers... running against some undefined references while building nux, ex: gluErrorString20:06
Amaranthraffaele__: I'll take a look as well to see if anything obvious jumps out otherwise I think they're on holiday for the rest of the year20:06
raffaele__http://launchpadlibrarian.net/61089423/valgrindlog20:07
raffaele__this is the log20:08
raffaele__298 errors?20:08
Amaranthraffaele__: Yeah... wow20:09
raffaele__The bug squad will have a lot of work20:09
raffaele__xD20:09
Amaranthraffaele__: Some of those are likely false positives but that does seem to be a nux bug20:09
raffaele__Now ?20:11
raffaele__Now what should be done?20:18
raffaele__@Amaranth: Now what should be done?20:37
Amaranthraffaele__: Now we wait20:41
raffaele__???20:41
Amaranthraffaele__: The DX team is not available right now20:41
AmaranthAnd even if I could figure out a solution I couldn't get it accepted into unity or nux20:41
raffaele__DX team is the bug squad?20:42
AmaranthNo, they're the team that works on unity20:42
raffaele__ah20:42
Amaranthraffaele__: I've marked it as triaged though20:43
raffaele__We can also say that it is related to nux20:44
Amaranthraffaele__: I imagine they'll see that20:45
raffaele__ok20:45
AmaranthI dunno if they like having everything under the unity package or split out in to the components20:45
AmaranthI know for compiz I like having all the bugs filed against the main compiz package20:45
raffaele__is a segmentation fault system, can we give a greater importance?20:52
raffaele__It is a segmentation fault system, can we give a greater importance?20:52
raffaele__It is a segmentation fault, can we give a greater importance?20:53
raffaele__@Amaranth: Ok, thank you for helping me with this bug. Now I wait for the DX team.20:58
Amaranthraffaele__: Sorry, I don't want to touch the importance20:58
AmaranthWell, actually, I could bump it to medium, that's the default for crashes20:59
raffaele__ok20:59
raffaele__thank you again. ;)20:59
lamalexAmaranth, we usually link againt unity and the component21:04
RAOFnmarques: I didn't see anyone else answer your question; if you're still waiting - that looks like a failure to link against libGLU, which would be a build system bug.21:37
nmarquesRAOF, another question, Iv'e noticed nux on natty requires a git version of mesa... would this trigger such behavior ?21:47
RAOFnmarques: No.  Does nux actually require a git version of mesa?21:48
lamalexnux requires whatever mesa is in natty21:48
RAOFWhich is (now) 7.9, but was 7.9 minus a couple of commits.21:49
nmarquesRAOF, I'll take a look deeper into this. Btw it's being built on openSUSE since I'm trying to package Unity for it21:56
RAOFOk.  Unity shouldn't require any particular version of mesa (but newer is likely to be better ☺).  For nux I suspect you're being hit by transitive linking problems; nux doesn't itself link to libGLU, but it links to libglew which links to libGLU.21:58
nmarquesRAOF, Mesa is 7.9 upstream as well from my side21:59
RAOFIt's the obvious version to have at this point, yeah.21:59
nmarquesRAOF, ;)22:01
nmarquesRAOF, that's a direction... I'm going to check deeper the glew and glewmx packages22:02
htorquelamalex: hi, you marked bug 693550 as dupe, but the other bug's status is "fix released" - should this be reopened then?22:38
ubot5Launchpad bug 693550 in unity (Ubuntu) "Unity panel and launcher show up on unlock screen (dup-of: 677705)" [Undecided,New] https://launchpad.net/bugs/69355022:38
ubot5Launchpad bug 677705 in unity (Ubuntu) "Unity appears on top of gnome-screensaver " [High,Fix released] https://launchpad.net/bugs/67770522:38
nmarquesRAOF: Makefile hack for -lGLU kinda fixed it... there's no need to submit this kind of irrelevant patch, right ?22:40
RAOFnmarques: Depends on whether it's correct or not :).  I'm reasonably sure nux doesn't use glu symbols itself, but if it does then that's a real buildsystem bug.22:41
lamalexhtorque, I'm not sure yet, It still looks fixed to me- I think something is possibly out of date on the reporters machine22:42
nmarquesRAOF, it's for examples and gputests... I choosed not to disable them :)22:42
nmarquesRAOF, the rest works fine mate :)22:42
RAOFnmarques: Could you check if they use glu symbols directly, and file a bug if they do?22:43
htorquelamalex, what could be out of date - i'm the reporter :)22:43
lamalexha oh22:43
nmarquesRAOF, I'll take a look, there's a couple of things I need to polish here first... so far everything is a bit ugly on my side22:43
lamalexhtorque, unity, nux, gnome-screensaver?22:43

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