/srv/irclogs.ubuntu.com/2008/05/17/#ubuntu+1.txt

wd4lkoB-) - cool00:20
ArandAnybody knows if some hardy repos are down atm (can't reinstall compiz)?00:29
ArandHmm, seems the UK repos are down (some at least), Main works fine though.00:36
gnomefreakArand: please ask hardy questions in #ubuntu00:48
ArandCan't connect to there through mibbit, and my uni blocks IRC otherwise...00:51
PiciArand: Follow the directions when you are forwarded to #ubuntu-proxy-users and it will let you in.00:51
scythefwddoes anyone know anything about ubuntu mobile?  is it out in beta yet?00:54
BHSPitLappySounds like one weak uni00:58
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vhaarrI want to reboot my intrepid test laptop, but then I'll lose xchat on it04:33
vhaarrwish there was something I could do to update the xchat package04:33
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hdevalenceI'd like to make a request to have consistent timezones in 8.10. Right now on my 8.04 I have some as stuff like "America/Chicago" but some as stuff like "America/Kentucky/Monticello" and still others like "America/Argentina/Buenos_Aires"04:56
hdevalencepick one and go with it04:57
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l3onHi all, I've to add repos in a wiki page for an ufficial sources.list to get start with Intrepid11:14
l3onDo you know where I can find urls repos ?11:14
RAOFl3on: I'm not sure what you're asking, but the official Intrepid repositories are exactly the same as the official Hardy (and Gutsy, etc) repositories.11:18
l3onRAOF: yep, I'm wrong on ask... I would know if for intrepid there will be a commercial repo.11:19
RAOFYes, probably.11:19
RAOFBut not yet.11:19
l3onRAOF: ah ok...11:20
l3onthese are right -> http://wiki.ubuntu-it.org/Repository/SourcesList#intre11:20
l3on?11:20
l3onsorry, wrong link -> http://wiki.ubuntu-it.org/Repository/SourcesList#intrepid11:22
l3onbai.11:31
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nazgul!java-plugin13:45
ubottuFactoid java-plugin not found13:45
nazgul!java13:45
ubottuTo install a Java runtime/interpreter on Ubuntu, look at https://help.ubuntu.com/community/Java - For the Sun Java runtime install sun-java6-jre from the !Multiverse repository (in !Backports for !Edgy)13:45
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tnncwhere can i find the pre alpha to download16:18
rskthere's not iso images yet16:19
rskalso if you ask that question you really dont wanna try it now16:19
tnncwell i do i have an machine just for testing things so it would be ok16:20
tnncdo you know when they will have the iso for that pre alpha16:20
rskalpha 1 i guess16:24
tnncthanks16:31
crimsungeez, a bit chomping at the bit16:33
rsk?16:33
crimsunasking for dailies/pre alpha16:33
humboltoWhy has alsa dmix been disabled in Hardy?16:50
h3sp4wnpulseaudio is intended to be used (and it sounds terrible)16:52
hdevalencecan intrepid have consistent timezones?16:52
crimsunhumbolto: ...it hasn't.16:53
hdevalenceright now I have them as varied as Europe/London, America/Argentina/Buenos Aires, America/Kentucky/Monticello, etc... consistency would be nice16:54
rskalso this is not the hardy channel16:54
crimsunjust don't use pulseaudio, e.g., remove that package or disable the esd gconf session option16:54
humboltocrimsun: So why can I not play a youtube video when playing something in Rhythmbox? (fresh install)16:54
crimsunhumbolto: because of bug 192888.16:54
ubottuLaunchpad bug 192888 in pulseaudio "firefox crashes on flash contents when using libflashsupport" [High,In progress] https://launchpad.net/bugs/19288816:54
crimsunhumbolto: so, install libflashsupport, or just disable pulseaudio altogether.16:54
crimsunhumbolto: and, rsk is on point.  (These are #ubuntu questions.)16:55
humboltoFirefox does not crash!16:55
humboltoAnd what I am experiencing right now it the opposite. I can play flash, as I did that first, but Rhythmbox hangs.16:56
crimsunthat's all due to 192888.16:56
crimsunpa is configured to grab hw:, which bypasses dmix.16:56
humboltoNo libflashsupport installed. And 192888 states that firefox crashes, when libflashsupport is installed.16:56
crimsun(un)fortunately, pa also is configured to relinquish hw: after an idle period16:57
crimsunthe change to flashplugin-nonfree removed the dependency on libflashsupport, which means:16:57
humboltocrimsun: For what purpose is it configured to grab hardware?16:57
crimsunI'll explain that in a sec.16:57
crimsunthe change to flashplugin-nonfree removed the dependency on libflashsupport, which means:16:58
crimsun1) hw: is nondeterministically available to native ALSA apps16:58
crimsunwell, that's pretty much the major issue16:58
crimsunso, if you're playing music in RB, you can't hear a Flash movie16:59
crimsunlikewise, if you play a Flash movie (the plugin grabs dmix vice hw:), RB won't be audible - in fact, RB won't even attempt to play16:59
humboltook, the quick fix would be to make pa not grab the hw so dmix is still active.16:59
humboltoCan I tweak that or is that mandatory by pa?17:00
crimsunthat's precisely what I proposed, but it's definitely suboptimal.17:00
crimsunsee the bzr branch in the comments17:00
crimsunthe proper fix for 8.04.1 would be to enable nspluginwrapper on i386 and to readd the libflashsupport dependency to flashplugin-nonfree17:00
humboltoFlash is just one app that might not comply. What about the rest?17:01
crimsunhumbolto: "the rest" is limited to non-Free ones, fortunately.17:02
crimsunthere's always pasuspender17:02
crimsunaka, pasuspender -- audacity17:02
humboltolike aoss for alsa?17:02
crimsunyou would use padsp instead of aoss.17:02
humboltoBy the way, there seems to be another problem hidden somewhere!17:03
humboltoMight have something to do with sampling frequencies.17:03
crimsunyou'd have to be more specific17:03
crimsun(I can think of a couple symptoms that are not necessarily related to sampling freq)17:03
humboltoMy brother has some drum loop of two heartbeats overlapping from time to time. Nice story, he says he remembers hearing his heartbeat and our mothers overlap before he was born.17:04
humboltoNow he has this loop on his website and he says it is not played in the right speed on my linux machine.17:04
humboltoSo I figured there might be some problem with sampling frequency conversion somewhere.17:05
crimsunquite possible, though the symptom has multiple problem layers17:05
humboltoI have to track down this a little further before I can file a bug report.17:06
crimsunfirst, how is the sound provided?17:06
crimsunsound clip*17:06
crimsunstraight wav?  via Flash applet?17:06
crimsuni.e., save yourself some time by providing these stack details up front, since I'm likely to be triaging the bug17:06
humboltoBut if this really is Linux's fault, as you seem to be more deeply involved with ubuntu's audio arch, would you want me to notify you of the bug report?17:07
crimsunsure17:07
crimsunI don't believe it will be linux's default (as in the kernel's fault)17:08
humboltoshit, I have been disconnected17:09
humboltocrimsun: what was the last line you received?17:09
crimsun12:08      crimsun > I don't believe it will be linux's default (as in the kernel's fault)17:10
crimsun12:08 = humbolto [n=elias@213-147-185-150.adsl.ycn.com] quit (Remote closed the connection)17:10
humboltocrimsun: Ok, seems you received everything.17:10
humboltocrimsun: Well more likely pulse's or alsa's fault.17:11
humboltocrimsun: Are you involved more deeply with the audio arch?17:11
crimsunhumbolto: unfortunately, yes.17:12
crimsunhumbolto: and it's rather unlikely to be alsa's fault, but I certainly won't rule it out currently17:12
humboltocrimsun: Didn't alsa (dmix) default to 48khz? Now I see pulse using 44.1 (if what is commented out in the config is the default ; default-sample-rate = 44100)17:13
humboltoso is libflashsupport save now? it is not marked as supported by ubuntu in synaptic!17:14
crimsunhumbolto: no, dmix does not necessarily default to 48KHz17:16
crimsunhumbolto: (it depends on whether you're referring to alsa-lib <= 1.0.16 or > 1.0.16)17:17
humboltoGutsy17:17
crimsunhumbolto: I don't understand your question regarding libflashsupport being "save"17:17
humboltoNo, actually last time i looked was feisty17:18
jbroomei think save == safe17:18
humboltoIt used to crash17:18
crimsunhumbolto: libflashsupport is in universe, so it is correctly not supported by Canonical.17:18
crimsunhumbolto: the crashing issues are known, but they need to be resolved on Adobe's end17:18
humboltoBut if it is not supported and therefore not installed by default, Hardy is shipped as a broken system!17:19
crimsunhumbolto: it would be broken even if it were shipped by default.17:19
humboltoAs everybody will definetely run into the two problematic scenarios I described above.17:20
crimsunI understand with Alexander's intent, which was to prevent FF from being so crash-happy17:20
crimsuns/with//17:20
humboltoHow to disable hardware grabbing of pulse. How to keep dmix working?17:20
humboltoOr why exactly is leaving dmix enabled a bad idea?17:20
humboltoI am sure there was some reasoning prior to that decision. Can I read up on it somewhere?17:21
humboltoIRC meeing log, ...17:21
crimsunhumbolto: yes, it's on the pulseaudio user mailing list17:21
crimsunI don't have a URL handy17:21
humboltoSummary?17:22
crimsunessentially: 1) higher latency; 2) awful resampling algorithm17:22
humboltogood enough an explanation for me.17:23
crimsunI don't really think (1) is that much of a problem unless you're using PA and dmix on a 300 MHz machine17:23
crimsun(at least that's the baseline of my tests)17:23
crimsun(2) is quite understandable17:23
humboltoHow to reenable dmix?17:23
crimsunalsa-lib defaults to linear resampling; PA provides algorithms from speex17:23
crimsunyou'll need to see my bzr branch changes17:24
humboltoAudio arch was always a bit of a headache in linux, wasn't it?! Hope pa will finally resolve this.17:24
crimsunheh, the stack goes much deeper than PA17:25
crimsunand even OSSv4 vice ALSA17:25
crimsunit's a problem from the hardware itself upward17:25
crimsunhumbolto: cf. http://bazaar.launchpad.net/~ubuntu-core-dev/pulseaudio/hardy/annotate/crimsun%40ubuntu.com-20080424222750-jpm40x8ljxzbduod?file_id=0052use_alsa_dmix_ds-20080420175647-jra1ekhbq4xbialk-117:25
h3sp4wnPulseaudio seems to use alot more cpu17:26
crimsunh3sp4wn: it definitely does.17:26
humboltocrimsun: The link you pasted shows how to edit the source to get it working with dmix. Now it seems I can easily apply the dmix section to /etc/pulse/daemon.conf, but how to prevent the unloading on idle? Is there an unload directive as well?17:36
crimsunhumbolto: why prevent unloading?17:38
crimsunhumbolto: (and it would be /etc/pulse/default.pa)17:38
humboltoBecause I get a click every time it needs to load something (don't know what exactly) again.17:39
crimsunthat's an alsa-driver issue; we're obviously missing twiddling a register17:40
humboltoAll in all, without any bad feelings I have to state, that I  had better realtime audio performance on some 300mhz 2.4-ck machine than I have nowadays on my 1.8 ghz hardy.17:40
crimsunjust comment out the module-suspend-on-idle line17:40
humboltook17:40
h3sp4wnI get another 20/30 frames a second with ut2004 using oss4 instead of pulse17:42
crimsunthere's a lot of optimisation remaining for pulse, true17:42
humboltoand even more for linux kernel io scheduling!17:43
crimsunwell, yes, but there's no perfect scheduler17:44
crimsun[that fits all workloads]17:44
humboltoAs said, I had a 300mhz 2.4-ck box, which played perfectly under any load I put at it, but hardy stutters as soon as I start copying some files.17:44
crimsunare you using -17- from hardy-proposed?17:45
crimsun(I use -17-server for a couple reasons)17:45
humboltocrimsun: what reasons? still on -generic17:45
crimsun16-generic or -17-generic?17:46
humbolto1617:46
crimsuneh, yeah, that's the kernel config issue.17:46
crimsunyou need to dist-upgrade to -17-generic in hardy-proposed17:47
humboltowhat kind of issue17:47
crimsunanyhow, I need the deterministic timers in -server17:47
crimsunhumbolto: bug 18822617:47
ubottuLaunchpad bug 188226 in linux "Kernel should use CONFIG_FAIR_CGROUP_SCHED" [Low,Fix committed] https://launchpad.net/bugs/18822617:47
humbolto188226, all clear. But what are deterministic timers?17:50
crimsunhumbolto: -generic uses dyntick17:51
crimsun(you can search lwn.net or kerneltrap.org if you need a good explanation of it)17:51
h3sp4wnIs there anyone in here running Cadence stuff on Ubuntu (I am using a centos 3 xen at the moment)17:51
humboltodyntick I remember.17:51
humboltowhat is the reason for not daemonizing pa? LTSP?17:58
h3sp4wnThe stuff 4front are doing for the sunray thin clients sounds interesting.18:03
h3sp4wncannot imagine pulse is usable sensibly for a large number of clients18:04
humboltoWhat exactly are they doing?18:06
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h3sp4wnThey want a version of oss that can scale to 100k clients http://mail.opensolaris.org/pipermail/opensolaris-arc/2008-January/005880.html18:09
h3sp4wnand run over the network18:10
humboltoreading18:11
humboltoh3sp4wn: sounds somewhat interesting. But I believe using the uid for path determination is a design flaw. What if you connect with the same uid form more than one location at a time. that should be supported too.18:15
h3sp4wnI am only bothered about listening to one thing at once 99% of the time18:21
crimsunhumbolto: I don't see how your test case hasn't already been accounted for18:22
crimsuns/test/use/18:22
humboltoh3sp4wn: It is not so much about listening to music. But imagine having more than one Thinclient terminal for different tasks and you have simple accustic email notification on the one while you want to watch a flash video on the other.18:23
humboltocrimsun: It has been in pulse!18:23
humboltocrimsun: not so much in the oss4 sunray document pasted by h3sp4wn.18:24
humboltoI still have this one to many clicks in pulse even after enabling the system daemon and realtime support. Have to check if it works differently with the -17 kernel18:25
humboltodon't have this with direct alsa access. (tested from the gnome sound config dialog)18:26
crimsunhumbolto: enabling RT access doesn't directly affect the symptom18:31
crimsunhumbolto: because it doesn't directly affect the _scheduling_ grouping18:31
crimsunit's a subtle difference, and many people don't realise it18:32
humboltocrimsun: I know. Will try in a sec with -1718:32
humboltocrimsun: I do, read the bug report.18:32
crimsunwhich bug report?18:32
humboltocrimsun: The one you pointed me to. I did read it.18:33
crimsunwhich of the two?18:33
humboltocrimsun: bug 188226 has a very good bug description18:34
ubottuLaunchpad bug 188226 in linux "Kernel should use CONFIG_FAIR_CGROUP_SCHED" [Low,Fix committed] https://launchpad.net/bugs/18822618:34
humboltocrimsun: while I am not completely sure if this actually has an effect on my system. We will see.18:35
crimsunit will18:37
humboltoget back to you in a minute on this18:37
humboltocrimsun: sorry that I have to report, -17-generic does not change a thing. minimal if at all.18:44
humboltocrimsun: the 440hz sample starts to play with a click (that is normal on my soundcard). then plays for about 200ms, then there is the next click. and one when I stop the sample (that again is the same with direct alsa)18:45
crimsunhumbolto: 1. make sure the user does /not/ have RT privileges18:48
crimsunhumbolto: 2. confirm by looking at /proc/version_signature that you're using -17-generic18:49
crimsunhumbolto: 3. what changes to default.pa have you made?18:49
humboltouname -r 2.6.24-17-generic18:49
crimsunhumbolto: ideally, I need this test done on a stock default.pa18:50
humboltocrimsun: Set everything back to default.18:51
humboltocrimsun: same same18:51
humboltoI try to record the sound18:51
humboltoExcept for the unloading part, this one I disabled18:52
crimsunno, please use the stock default.pa18:52
humboltoDoes not make no difference. but I will18:52
crimsunit does make a functional difference, and we need to eliminate all those.18:53
crimsunit may not make a symptomatic difference, but that's irrelevant here.18:53
humboltook18:53
humboltohttp://pastebin.org/3663518:56
crimsunright, and the sound clip?18:57
humboltoone moment18:57
crimsun(meaning of your recording the sound)18:58
humboltowhat is a pulse supported audio recording software? since pulse grabs all input as well, gnome-sound-recorder does not seem to work18:59
crimsunparec19:00
humboltook, seems to work now, just did not like wav19:00
crimsunI will be back in several hours; just leave me a URL with the clip19:00
humboltocrimsun: http://www.file-upload.net/download-856883/pulse.flac.html19:40
humboltocrimsun: http://www.file-upload.net/download-856883/pulse.flac.html19:40
humboltocrimsun: http://www.file-upload.net/download-856880/alsa.flac.html19:40
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hwildemy usb hub is missing.  how can I restart the usb subsystem and force it to redetect the hardware ?20:38
hacxhello, does anybody know some alternative to app "plan" or "tomboy", somewhere where i can manage tasks, in calendar,when to do what?20:53
Luckrider_http://ars.userfriendly.org/cartoons/?id=2007121621:23
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BadChoicehy21:29
BadChoicedoes anyone know how to bind space key in nautilus to launch my own script?21:29
mib_8pulpbmxhi room :-)22:13
mib_8pulpbmxi was wondering if anyone on here could be really kind and provide me with some guidance on how to use irc, i am a dyslexic linux newbie :-)22:15
rskyou're using it right now \o/22:17

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