/srv/irclogs.ubuntu.com/2008/05/06/#ubuntu-kernel.txt

pwnguinis there a reason bug #137686 isn't marked fix released?00:29
elmargolHibernation almost works here. It terminates everything and copies the ram to the sawp. The only problem is the laptop (dell inspiron 9400) does not power off. I have to hold the power key in order to do this. Resuming works perfect!11:18
elmargolIs there a way to fix this?11:18
aboganitjaalton: Hi Timo! Are you around?13:18
lagaelmargol: have you seen the freedesktop.org page about power management?13:19
tjaaltonabogani: hey, seems that I am ;)13:19
aboganitjaalton: Sorry to bother you about lrm... :-)13:20
aboganiIs there a chance to have nvidia closed drivers updated to 173.08 (actually marked by Nvidia as Beta) in 8.04.1 ?13:20
tjaaltonabogani: doubtful, but there should be a stable version soonish13:20
tjaaltonthat version has some pretty severe bugs13:21
abogani:-(13:21
lagaelmargol: http://people.freedesktop.org/~hughsient/quirk/quirk-suspend-index.html13:21
tjaaltonabogani: phoronix had something about it, let me check13:22
tjaaltonabogani: ok here it is: http://www.phoronix.com/scan.php?page=news_item&px=NjQzMA13:28
tjaalton2D slowdowns13:29
aboganigosh!13:30
tjaaltonhm, I really should update the lrm for intrepid13:31
mjg59laga: That's not usefully relevant in this case13:31
lagamjg59: it was worth a try. :)13:31
aboganitjaalton: Some -rt users report problem with nvidia stable version and GLX that stop to works! :-(13:32
tjaaltonabogani: yep..13:32
alex_jonihi abogani13:51
aboganialex_joni: Hi Alexandru13:52
alex_joniabogani: I talked to BenC about pushing -rtai stuff to ubuntu13:53
alex_joniand I don't think it's important enough (enough users) that it's worth the effort13:53
aboganialex_joni: Is it your opinion or the BenC one?13:55
alex_joniabogani: well.. I'm not sure if I can support it once it's pushed into ubuntu13:56
alex_joni(building/testing on each new release, etc)13:56
aboganiI understand well your doubts.13:58
alex_joniabogani: anyways, I have a repo for the -rtai stuff13:58
alex_joniso if you're interested, feel free to use it13:58
aboganiThanks! It is very good news! 13:59
aboganiURI?13:59
alex_joniabogani: http://www.linuxcnc.org/hardy/14:00
aboganiGreat!14:01
SEJeffalex_joni, Do you use rtai for robotics? How does the latency compare to a mainline kernel if you don't mind my asking?14:02
alex_joniSEJeff: we get about 10-20 usec latency on rtai14:02
SEJeffalex_joni, As opposed to?14:02
alex_jonithe -rt is still quite away from that afaik14:02
SEJeffYeah I've used Xenomai, but it is more about pretty code than low latency14:03
alex_joniXenomai shouldn't be much worse than rtai14:03
alex_jonibut it depends on the skin you use14:03
abogani~10 times more14:03
alex_joniabogani: you mean -rt .. right?14:04
aboganiYes. In any case with CPU Isolating (or called CPU Shielding) you can achieve very similar performance.14:05
SEJeffalex_joni, Well which personality do you suggest for best case low latency14:05
alex_joniSEJeff: I didn't try xenomai enough to say14:06
alex_jonibut the best latency I've ever seen was with RTAI on a SMP intel system14:06
aboganiI always use POSIX skin.14:06
alex_joniwith isolcpus, and RTAI only on one core14:06
alex_jonion one system it had something around 4-5 usec latency14:06
SEJeffalex_joni, latency for network or applications? Intel nics with e1000 have the lowest latency on the market14:06
alex_joniSEJeff: I'm only talking about realtime apps14:07
elmargollaga, thx for the link14:07
SEJeffalex_joni, Ah, I work at a stock trading company as a Linux guy. Lots of -rt interest14:07
alex_joniSEJeff: for that, -rt might be better14:08
SEJeffalex_joni, -rt is higher latency, but more deterministic than the normal kernel14:08
SEJeffOne of the reasons for the rtai / xenomai split is because rtai only cares about the lowest latency. It would be huge to have easier to use rtai kernels14:08
alex_joniSEJeff: might be a bit OT for #ubuntu-kernel.. shall we move to another channel?14:09
SEJeffalex_joni, Sure where?14:10
alex_joni#rt-and-stuff :)14:10
xhakercan someone help me with -server ?14:13
xhakeri can't get it to boot on a pentium M14:13
xhakerfound a bug filed already14:13
xhakerbug #22225314:14
xhakerbut there doesn't seem to be much attention14:14
xhakerrtg: ^14:15
xhakersubscribed ubuntu-kernel-server14:28
xhakersubscribed ubuntu-kernel-team also, u-k-s doesn't seem to be used for bugs :)14:35
rtgxhaker: does the -generic kernel boot?14:36
rtgI can't tell from the LP report what is being attempted, -server or -generic.14:37
xhakerrtg: it's server.. whatever ubuntu-server-i386.iso installs14:40
rtgxhaker: do you have one of the VIA C3 procs?14:41
xhakerand yes, -generic worked14:41
xhakerrtg: pentium M14:41
rtgxhaker: ah, thats what I wanted.14:41
xhakerit seems specific to -server14:41
rtgxhaker: the big diff might be PAE. I'll be back in a bit....14:42
xhakerrtg: ok14:42
tjaaltonrtg: I'll do a bugfix lrm for hardy-proposed first, then try to get it to build against intrepid. is that ok?14:59
tjaalton(sorting out the libwfb mess & authatieventsd.sh)14:59
rtgtjaalton: thats fine. I'm not in a big hurry for Intrepid LRM since I'm kind of buried under SRUs at the moment.15:00
tjaaltonrtg: heh, same here15:00
xhakerrtg: CONFIG_X86_PAE=y on -server only15:55
rtgxhaker: yes15:55
xhakeris there any boot option to disable it so i can see if it boots?15:55
rtgxhaker: no, its a feature of the page table that is hardwired into the mm.15:56
rtgxhaker: what is it about the -server kernel that is attractive for the VIA C3 cpu?15:57
xhakerrtg: people are using the server ISO to setup their home servers.. mine runs pentium M but people buy via c3 cpus for the low Wattage15:57
xhakerwhat other way to setup a lean and mean home server than to install ubuntu-server flavour?15:58
rtgxhaker: you can get the same result using the alternate install and choose 'command line only'. It uses the desktop kernel, but does not install X/15:58
xhakermaybe true, but not what a user would expect16:00
xhakereven and admin16:00
rtgxhaker: it seems to me to be a matter of RTFM. In any event, the PAE setting for the kernel isn't going to change.16:01
xhakerrtg: allow me to disagree.. as a user setting up a x86 home server, the server ISO and server kernel seem to be the right choice16:03
JanCmaybe there should be a "home server" edition  ;)16:04
xhakerwhich cpus boot -server and which cpus don't? should the server ISO install -generic for those cpus? should there be a -server-pae kernel flavor?16:04
xhakerJanC: ^16:05
rtgxhaker: looks guys, this is open source. you are free to develop your own flavour. I've got enough on my plate managing the flavours we do support.16:06
xhakerrtg: hey man, i agree it's hard to support everything.16:07
xhakerrtg: but please direct me then to a document that explains what hardware does -server support16:08
sorenxhaker: You have to accept that it's rather ironic that people expect the same kernel images for the *really* big servers, and the tiny, tiny media boxes or whatever.16:09
soren...and then -generic for anything in between.16:09
sorenThat's hardly sensible.16:10
xhakersoren: i completely agree with you. that's not what i'm saying. i'm not a debian-installed guy, but couldn't it install -generic for the machines that won't even boot after install?16:11
xhakersoren: that would fix it.16:11
rtgxhaker: I'm not sure if there is a doc that describes the HW requirements of the -server flavour. However, it is codified in the kernel config, so you could certainly examine that.16:12
xhakers/installed/installer16:12
sorenxhaker: Probably, yeah.16:12
xhakerrtg: the features page states the -servel kernel is PAE enabled. so yeah, people that know their hardware is not compatible will stay away16:13
rtgsoren: it seems like this issue has come up before for folks attempting to run the lice CD on a 486 CPU.16:13
rtgs/lice/live/16:13
* soren eeks16:14
xhakerin the wiki ServerFaq page16:16
xhakerDo I have to choose the kernel for my system on my own?16:16
xhakerThe installer is capable of recognizing your cpu and install the "best" kernel for it. 16:16
xhakerhelp.ubuntu.com rather16:18
rtgxhaker: is the page about dapper server? https://help.ubuntu.com/community/ServerFaq16:18
xhakerwas linked from http://www.ubuntu.com/products/whatisubuntu/serveredition/documentation16:20
xhakerthe system requirement https://help.ubuntu.com/8.04/serverguide/C/preparing-to-install.html#system-requirements16:22
rtgxhaker: I don't see anything in there that allows you to choose a kernel.16:25
xhakerrtg: what?16:27
rtgxhaker: " The installer is capable of recognizing your cpu and install the "best" kernel for it." Isn't that what you were looking for?16:31
xhakerAfter seeing that on the dapper ServerFaq, i was searching for something to contradict that on the Hardy documentation16:32
xhakerdid not find any16:34
rtgxhaker: that looks like a feature that has been removed (at least on the server install). I haven't played with the i386 alternate install, but it closely resembles the Debian installer so the feature may still be there.16:37
xhakerit's just that i've just wasted 500mb+ of bandwidth, time: downloading, burning, installing. And now i have a non working system. And might have to download the alternate i386 install16:38
xhakerrtg: does the -server iso ship other images other than -server and -virtual?16:39
rtgxhaker: not to my knowledge, but I'm not an expert on the installer stuff.16:40
xhakerhttps://bugs.edge.launchpad.net/ubuntu/+source/linux-source-2.6.22/+bug/151942 marked invalid, not reassigned16:44
xhakerwikipedia to the rescue: PAE is provided by Intel Pentium Pro and above CPUs (including all later Pentium-series processors except the 400 MHz bus versions of the Pentium M), as well as by some compatible processors such as Athlon and later models from AMD.16:49
xhakeri was affraid celerons would be bit by this too, but it seems they're not16:50
xhakerlet me go try install generic on my server then16:54
xhaker:D16:54
=== asac_ is now known as asac
smbHi all, this would be the time of the kernel-team irc meeting, sort of... But currently most of us somhow busy. So maybe just a reminder to put stuff that should be thought of for intrepid onto the wiki.17:06
amitk_link to wiki for listing UDS topics: https://wiki.ubuntu.com/KernelTeam/UDS/May200817:07
smbOtherwise, are there any questions?17:07
smbAnyways, we hang around here, in any case. So, back to work it is. ;-)17:09
noelferreiramy keyboard keys sometimes get stuck and other times don't work. Anyone knows about this huge bug : http://pastebin.com/m78e61aa419:24
noelferreiramy keyboard keys sometimes get stuck and other times don't work. Anyone knows about this huge bug : http://pastebin.com/m78e61aa419:32
laganoelferreira: don't repeat yourself like that, it won't help :)19:33
lagatry reporting your bug in laucnhad19:33
lagaand talk to people in #ubuntu-bugs maybe19:33
lagaif nobody answers in here19:33
noelferreirathanks19:34
=== gnomefre1k is now known as gnomefreak
psufanhi we are running ubuntu-server 6.06 lts on some blades hosting vm's and I need to patch against the 2.6.15 nfs crash and burn bug20:28
psufanwhat are the standard steps to get the source with buntu's existing config options20:28
psufanis it still the old patch --verbose < file.patch thing and 20:29
alex_jonipsufan: apt-get source linux-image-generic20:29
psufanhow do I compile etc so I can put the image on the other 9 blades20:29
alex_jonithen look in debian/ for ubuntu patches20:29
alex_joniand put your patch there20:29
psufanno way just to get the ubuntu sources20:29
alex_jonithe config is also there20:29
psufanwith the existing .config20:29
alex_jonimaybe apt-get install linux-source-'uname -r'20:29
psufanhmm20:30
psufanyeah that might be it20:30
psufanquestion20:32
psufanif this http://www.howtoforge.com/kernel_compilation_ubuntu20:33
psufanis the right way to do it20:33
psufanhow do I ensure it's what is in the existig 2.6.15-57 package20:33
psufanI wish you guys would have just patched this in 6.0620:33
psufan:/20:34
psufanerr sorry 6.1020:38
psufanwhat is this git stuff20:39
rtgpsufan: start here: https://wiki.ubuntu.com/KernelMaintenance20:39
psufanyeah yeah I saw the standard party line "blah blah we don't blah"20:40
psufanoh my bad20:40
psufannot the same thing this time :)20:40
noelferreirathanks20:40
noelferreiramy keyboard keys sometimes get stuck and other times don't work. Anyone knows about this huge bug : http://pastebin.com/m78e61aa420:41
psufanwow this is confusing as hell and I remeber hacking a 1.1.x kernel to run on 1.6 meg of ram20:41
psufanugh all I want to do is apply a nfs fix to the existing 2.6.15-51 source20:42
rtgpsufan: your can do it in 3 easy steps: get the source first using 'git clone git://kernel.ubuntu.com/ubuntu/ubuntu-dapper.git  ubuntu-dapper'20:45
rtginstall the build tools 'sudo apt-get install linux-kernel-devel devscripts fakeroot libncurses5-dev'20:46
rtgdo the build: 'cd ubuntu-dapper; debuild -b'20:46
psufanoh shit20:49
psufanlooks like when that pxe boot vm that setup a automated install of ubuntu 6 it screw some stuff up20:49
psufanapt-get is getting stuff from dapper when it's edgy20:49
psufanugh20:49
psufannm20:50
psufanwe are using 6.06lts sevrer20:50
psufandamn you people and you stupid names20:50
psufanjust give me freaking version 1 etc20:50
=== gnomefre1k is now known as gnomefreak
pwnguinpsufan: you can always try debian stable. that never changes on ya ;)21:03
psufanna it's set in stone now I can't change it21:17
noelferreiramy keyboard keys sometimes get stuck and other times don't work. Anyone knows about this huge bug : http://pastebin.com/m78e61aa421:22
noelferreiramy keyboard keys sometimes get stuck and other times don't work. Anyone knows about this huge bug : http://pastebin.com/m78e61aa422:01
blueyedCan somebody please look at bug 217504, which has a simple fix.22:17
blueyed?22:17
blueyedhttps://bugs.edge.launchpad.net/ubuntu/+source/linux/+bug/21750422:17

Generated by irclog2html.py 2.7 by Marius Gedminas - find it at mg.pov.lt!