/srv/irclogs.ubuntu.com/2011/09/14/#ubuntu-kernel.txt

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asacwe have problems getting http://www.kernel.org/pub/linux/kernel/people/mcgrof/firmware/ath6k.tar.gz :) ... wonder if we have that in any ubuntu firmware package in archive?07:44
asacfound it in linux-firmware (obviously) ... thanks07:51
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apwTrying 2a01:450:10:1::10...09:46
Kanohi, since 2 weeks no updates to mainline kernel. why cant somebody change the git repo?10:04
apwKano, hadn't considered it, we have enough problems due to that breakin as it is10:08
Kanocouldnt be a huge change in your script i think10:08
Kanoalso i forgot how to update the kernel config with your package, something with update-config or so?10:09
apwprobabally not even a change there, probabally only need to change the remote url10:09
apwfakeroot debian/rules updateconfigs10:09
Kanoah10:09
Kanoi did a grep in the rules and did not find it10:10
Kanoalso i had to remove the dpkg >... depend, why is that there?10:10
Kanohmm, maybe fix your target10:11
Kanodebian/scripts/misc/kernelconfig: line 130: /root/kernel/linux-3.0.0/debian/scripts/misc/splitconfig.pl: Permission denied10:11
Kanoin your release package10:11
apwthats a 'problem' introduced by the orig+patch format for debian10:12
apwthose are not really intended for use against the package but in the git repo10:12
apwwhere the permissions are honoured10:12
Kanochmod 755 there10:12
Kanosame for config-check10:12
apwyep, you simply cannot represent that in the package10:13
Kanobut you can add that in the rules10:13
apwpatch does not carry executable information at all, and can not do so10:13
Kanothats not impossible10:13
apwyeah, but we never use it that way ever, its not our process model, so we'd never notice10:14
apwthe normal debian way is not chmod, but to change it to like $(PERL) script or $(SHELL) script10:14
Kanowell then use that10:15
apwor i could spend my time fixing cves10:15
apwits a priority thing, its not a priority as noone working they way we intend would ever hit it10:15
apwand they will hit the cves10:15
apwbut we'd happily accept a patch if someone figured out all the places it is needed10:16
Kanowhat was the reason to add dpkg >..?10:16
Kanonot mentioned in changelog10:17
apwin which release10:17
Kanooneric10:18
apw    UBUNTU: [Config] Make linux-libc-dev coinstallable under multiarch10:18
Kanook, i dont build that, can ignore that10:19
Kanoit build still too much, like tools/source/doc with emtpy packages10:20
apwyep, we only turn those off for debugging builds, and its simpler to handle the empty packages than add a bunch of handling to the control file generation to turn them off10:20
Kanoi would prefer when they would not build at all when i disable em10:21
Kanoi dont see those in mainline too10:21
apwright in mainline i use the uber-complex 'rm' command to remove them before syncing them out10:22
Kanowell if you have got free time maybe consider em not to build10:23
apwi have considered it, i have even got patches to do it, and it makes the rules vile and complex10:23
apwfor something we never use10:23
apwand afterall they are our packages to build our kernel not all things to all men10:24
Kanowell they would be more usefull10:24
Kanoi always try to write scripts as generic as possible10:25
ckinggeneric for whom?10:25
apwso do we but at some point one has to trade genericity for maintainability10:26
apwwe have to maintain them for years against old kernels and that is not free10:26
Kanowell i just want to script all changes i need against your packages10:27
apwso what you are saying is, its too much effort for you to fix the packaging, but you think we should10:28
Kanowell you know the packageing10:28
apwindeed, so which is more important for your kernel10:29
apwhaving pretty packaging that allows a derivative to build easily, or having CVEs fixed in your kernle10:29
apwas right now, that is what you are stopping me doing10:29
Kanowell i mainly use that for live mode, i need mainline builds...10:29
Kanofor the hd installs10:29
Kanoi write a tiny script for every kernel update, but there is no update10:31
Kanodaily is of course always the same script10:31
apwyep the entire kernel.org infrastucture being compromised has been a huge problem10:32
apwnot least because it has _prioritised_ security fixes above _ALL_ELSE_10:32
apwnow i wonder why that would be10:32
Kanoyou mean for the older kernels?10:35
Kanothe latest is on github, that should be no problem to build rc6/daily10:36
apwyep, indeed and i'll put it on my todo list10:43
Kanois armel somehow differently handled? not that i would use it but10:57
Kanohttp://paste.debian.net/129942/10:59
apwno its not handled differently11:01
Kanowhy is there no 1000 hz for it then11:02
apwperhaps because it can't do 1000Hz ?11:03
Kanomaybe11:03
cking1000Hz for arm is a bit excessive isn't it?11:03
apw1000HZ == 10% powerformance cost too11:03
Kanowhat bootloader is used on arm?11:09
apwdepends on the board they are all different pretty much11:12
Kanothe wireless-cdra package is weird, it has got no depends but12:16
Kanocrda: error while loading shared libraries: libnl-genl.so.3: cannot open shared object file: No such file or directory12:16
apwsounds like a bug to me12:16
AnAntHello12:19
AnAntI am developing a kernel module under Ubuntu, sometimes this module causes the PC to freeze, is there a way to get dmesg (or whatever debug info) output over the network ?12:20
apwAnAnt, netconsole might do it, depending how hard it freezes12:20
AnAntapw: how about serial port (note, the PC does not have a serial port, but I can use a USB/serial converter)12:22
apwusb serial can work sometimes, again depending on how hard the kernel is crashing12:22
tgardnerapw, need to bounce gomeisa for kernel update12:58
apwtgardner, ACK now is as good a time as any13:00
AnAntapw: thanks13:02
apwtgardner, let me know when its done i have some builds pending13:02
tgardnerapw, its bouncing, should be back up in 90 seconds or so13:02
AnAntapw: how to do it on serial ?13:03
apwAnAnt, usb serial? 13:03
AnAntapw: yes13:03
apwjust add console=ttyUSBN I think13:03
AnAntok, thanks13:04
AnAntapw: so I can only set the serial console during boot?13:05
apwi believe so ... never heard of any way to add them13:05
AnAntapw: ok, thanks a lot13:07
* ogasawara back in 2013:30
ckingapw, git://kernel.ubuntu.com/cking/pmdebug.git --> systemtap/s3.stp  led_flash()13:33
ppisatiherton: lucid was respinned, and the reverted patchset was only the i915, right? i'll invalidate all the derivative arm lucid bug trackers13:41
hertonppisati: yep13:42
apw$ ps -ef | grep gcc | wc -l14:10
apw28214:10
apw$ ps -ef | grep cc1 | wc -l14:10
apw4114:10
hallynso is there a non-kernel.org mirror of Linus' tree right now?14:29
apwhallyn, yes14:29
hallynNeed to base some patches on it to send upstream...14:29
apwgit://github.com/torvalds/linux14:30
hallynapw: great, thanks14:30
ogasawaraubuntu-oneiric$ git push origin :Ubuntu-P-sync14:49
ogasawararemote: *** Deleting a tag is not allowed in this repository14:49
ogasawararemote: error: hook declined to update refs/tags/Ubuntu-P-sync14:49
ogasawaraTo git+ssh://zinc.canonical.com/srv/kernel.ubuntu.com/git/ubuntu/ubuntu-oneiric.git14:49
ogasawara ! [remote rejected] Ubuntu-P-sync (hook declined)14:49
ubot2`ogasawara: Error: I am only a bot, please don't think I'm intelligent :)14:49
ogasawaraerror: failed to push some refs to 'git+ssh://zinc.canonical.com/srv/kernel.ubuntu.com/git/ubuntu/ubuntu-oneiric.git'14:49
ogasawaraapw: ^^ I assume that's due to the new restrictions in our repo?14:50
apwogasawara, yeah, hmmm, thats neither a signed tag, nor is updating them allowed ... hmmm ... push it as a branch for now perhaps14:53
ogasawaraapw: ack14:53
apwwe can likely just add an exception for that tag namespace14:54
apw:q14:56
* apw punches unity in the face repeatedly ... _do_not_paste_my_output_in_the_wrong_window_that_might_be_my_password_14:57
_ruben:q is your password? good to know :)14:58
ogasawaraheh14:58
apwheh luckily not, but it might be safest if it was14:58
_ruben;)14:58
apw"smb, what time is it there?" would make a good password14:58
hallynhm, laptop isn't even that hot, but just shut itself down...15:09
hallynnothing in syslog15:09
apwhallyn, how quickly15:18
apwand its not suspended is it?15:19
hallynno, it just acted as though i'd hit the power button15:19
apwwe seem to have a new suspend on idle on AC15:19
hallynit also wasn't idle, i was in the middle of typing :)15:19
apwso ... like you pressed it (full shutdown messages) or like you held it15:19
hallynlike i held it15:19
hallynno shutdown msg15:19
hallynnothing in syslog at all for several mins before booting up15:20
apwhallyn, running what release, which kernel15:20
hallynoneiric, uptodate15:20
apwnot see that, no15:20
hallynthermal0/temp is showing 84000 - whatever that means15:20
apwcould be anything, likely as not 84c15:20
apwbut hte units are not easy to determine at times15:21
hallynI've had this happen once or twice before, but when it was much hotter, and I do believe that file was around  100 when i rebooted15:21
apw105 is a common 'i am turning of NOW' value15:21
hallyni think i once deduced it actually did correspond to degrees celsius, don't recall how/why15:21
apwindeed they are often listed in /proc/<somewhere>15:21
apwcking, where is the thermal trip stuff hidden in proc ?15:22
ckingapw - i'm on a call at the mo15:22
hallynserge@sergelap:/sys/devices/virtual/thermal/thermal_zone0$ cat trip_point_0_temp 15:22
hallyn9800015:22
apwahh there you go then, but if you are at 84c that in of itself is worrying15:22
apware you fanning?15:22
hallynI'm down to 70 now15:22
hallynyeah, fan is always goin gon this thing15:23
apwthinkpad ?15:23
hallynvaio f1115:23
apwwhat is your machine doing that 70c is a sane temp ?15:23
hallynI had shut down u1 some time before, so i was just doing a libvirt build, running kvm, and playing a song...15:23
apwit'd want to be compileing on something15:23
apwso you are kicking the crap out of it, so perhaps 70 is expectable15:24
hallynwell, it's an 8-core 8G laptop, I don't take it easy on it15:24
hallynno serioualy this thing easily hits 9015:24
hallynbut i dont' think it had hit 9815:24
apwthat sounds like pretty poor thermal control.  an 8 core thingy in a laptop, mental15:24
hallynall right, i guess i'll keep a little display up with the temp values15:24
apwyeah good plan try and keep some history15:24
hallynheh, i had to quickly choose something when i joined canonical.  i'd have preferred a good desktop and a netbook.  but this thing mostly serves me well15:25
hallynall right, i'll ping back if it does it again without hitting 9815:25
hallynthanks15:25
apwhallyn, made the same mistake myself15:29
hallynI guess in about 1.5 years I'll start looking for a kick-ass desktop :)15:30
hallyn(this is one of those times i'm happy to be using wmii so i can just change my status shellscript :)16:10
hallynhanging steady at 67 right now16:10
tgardnerapw, dpkg-buildpackage is just a script. AFAICT it simply adds -jX to MAKEFLAGS before running debian/rules. 16:28
apwhmmmm16:28
tgardnerI haven't quite been able to simulate it by hand yet16:28
tgardnerppisati, do you want the ti-omap4 kernels uplaoded with the DMA/SMP performance fix ?16:50
tgardnerapw, ogasawara: pushed 'UBUNTU: [Config] Fix binary-% build target' to oneiric master-next16:53
ogasawaratgardner: ack16:53
apwtgardner, nice16:54
tgardnerI'll figure out the AMKEFLAGS business and build it into debian/rules somehow16:54
tgardnerMAKEFLAGS*16:54
hallynapw: say do you know of a way to set the trip_point? file isn't writeable...  and a simple sbuild of libvirt-bin quickly brought temps to 92 (trip point being 98)17:12
apwhallyn, normally they are bios set and bios enforced, they are exposed to allow the OS to help in heat managment i expect17:13
tgardnerhallyn, trip points are typically the domain of BIOS/SMI AFAIK17:13
hallyndrat17:13
apwi really don't think you should be hitting anywhere near it if the bios was managing fans correctly17:13
hallynat least 94 seems to be another, 'passive' trip point.  I guess I should go read up.  must be some discussion online17:13
apwit must burn your hands if you go anywhere near the case17:13
hallynit gets warm, but not that bad.  17:14
hallynmaybe one of those fancy powered laptop stands would help :)17:14
apwi am suspicious that there are a number of bioss out there which do not handle the fans, but they ship windows drivers to override the fans to make things work17:15
hallynoh!  actually, i guess sony had a bios update about this.17:15
hallynbut the damned thing isn't usable in linux or even in windows 200817:15
hallynnow, this time after it hit 94 it started going down.  so maybe the 'passive' trip poitn didn't trip last time, and so it kept climbing?17:16
hallynmaybe i should drop by the sony store17:17
tgardnerhallyn, maybe you should be using tangerine17:18
hallyntgardner: i was just compiling libvirt...17:18
hallynthat would feel like abusing resources17:19
tgardnerhallyn, well, it beats having your laptop sizzle17:19
hallyntrue17:19
bjfhallyn, i use http://pastebin.ubuntu.com/689370/ to jam the fans on for my thinkpad, don't know what you'd need to change for it to work for you17:19
hallynbjf: yeah, i might have to bypass the kernel's trip point and have my own little daemon bump up the fan.  good idea.17:20
tgardnerits gotta have support in the platform driver17:20
hallynyeah and i don't see a fan control under /sys/module/sony_laptop17:23
* tgardner --> lunch17:36
apwbjf, did you get the magic for bootchart ?  as i have just seen one with the lines which was generated this week17:55
bjfapw, yes been working on it all a.m. :-)17:55
apwbjf, can you make sure you also turn on initcall_debug on the test boots and grab the dmesg as well17:59
bjfapw, ack18:00
jjohansenrebooting18:04
htorqueogasawara: hi! bug 834725 → looks like this is not a bug in linux after all, right?18:06
ubot2`Launchpad bug 834725 in linux "Powertop fails to report number of wakeups/events" [Undecided,Confirmed] https://launchpad.net/bugs/83472518:06
ogasawarahtorque: was just about to comment there.  indeed, I do not believe this to be a kernel issue.  so I was going to close out the linux task.18:06
htorquegood, thanks :)18:07
* jjohansen -> lunch18:37
smosersmb, do you happen to be around ?19:25
smoserhttp://groups.google.com/group/ec2ubuntu/browse_frm/thread/57ff20c6370f7bb919:25
smoserwe should have someone look at that.19:26
* ogasawara bails a little early for an appointment, back on later.20:30
=== jjohansen is now known as jj-afk
jj-afkback on later21:26
=== kentb is now known as kentb-afk
openflywell that sucks22:54

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