/srv/irclogs.ubuntu.com/2012/03/09/#ubuntu-kernel.txt

jjohansenapw: problem fixed and it wasn't in the kernel00:17
tdmackeyI00:34
=== Guest16781 is now known as albrigha
apwjjohansen, excellent thanks for your help08:15
jjohansenapw: np, sorry for the problems, and wasting your time08:16
apwjjohansen, no need to appologise, there are always issues, and them seeing we can resolved them in a timely fashion is good08:16
jjohansenyeah I suppose, still feel bad when I caused the issue, but its not the only one this cycle, /me is on a roll08:18
apwheh, nothing compared to the upstream issues we have consumed08:19
apwat least someone is testing and finding them before release08:19
jjohansen:)08:21
apwjjohansen, was it luck that it was working for everyone else ?08:21
jjohansenapw: yes08:21
apwjjohansen, those are the best ones to find08:21
jjohansennon terminated string, so it just depended on whether the string was dumped into zeroed memory08:22
jjohansenthis is when the compiler was deciding what features the kernel supported08:23
jjohansenthe precise kernel has a new interface for that08:23
apwheh, and it should have been randome for everyone probabally, and yet 100% reproducible for him and not for anyone else in the company08:23
jjohansenso the old kernel path would always work, the new for most people08:23
apwhow wack is that08:23
jjohansenvery08:23
apwa good find, you know it would have worked perfectly until release week otherwise08:24
jjohansenhehe, yeah08:25
* smb cries08:31
apwsmb, that bad?  break your coffee maker?  run out of coffee ?08:31
smbSo some launcher icons having strange colours is because of my desktop background08:31
smband they change colour everytime you change your background08:32
apw!?! is this a bug or a feature?08:32
ubot2`apw: Error: I am only a bot, please don't think I'm intelligent :)08:32
smbapparently a feature08:32
jjohansensmb: oh I hate that, is it as bad as the spilled cool-aid on my desktop bug08:32
apwubot2 i didn't even consider you present08:32
smbjjohansen, Heh, I am not sure I know that08:33
smband apparently working scroll wheel for your terminals is a game of luck08:34
* ppisati -> reboot08:34
jjohansensmb: I'll see if I can't dig it up, but it was related to choosing colors based off your background08:34
smbjjohansen, Ah yeah, Paolo said they do that now as a feature. Maybe I get used to it08:35
smbJust that I had been wondering all the time why they changed the colors into that particular one08:36
smbok, missing scrollwheel for terminals seems to be fixed by todays updates... I had not closed the one from before08:37
jjohansenyeah, some time its a real mess, /me is particularly annoyed with the alt-tab switch where I can't tell which icon is being highlighted08:37
smbThat one gets me a lot of times08:37
smband the inconsistency of what moves between subselections of the same app08:38
smbwhen you drop in the by time its tab. when you get there by cursor up its cursor left/right08:39
smboh, actually that seems to have changed08:39
smbnow its only that going in there by cursor will give you round robin within that new selection while dropping in by time gets you out when you go past the last entry08:40
jjohansenyeah, /me is going to try the compiz switch again, its working again08:42
apwjjohansen, compiz switch ?08:46
jjohansenapw: compiz alt-tab switchers if you use ccsm you could still use them instead of the unity one at least until a few weeks ago when they where broken by a compiz update08:47
* jjohansen decided to give the unity one a good run but it hasn't grown on me at all08:48
apwahh ... jjohansen before you switch away from it, it also now has different settings, like switching within apps by default and stuff on the experimental tab08:48
jjohansenapw: yeah08:48
apwit also has whether its limited to the same viewport or not etc as tickies08:48
apwdepends what your issue is of course08:48
apwbut i was supprised at the slew of options it had grown08:49
jjohansenyep, still don't like it.  I have several gripes08:50
jjohansen  Its inconsistent, some time it pulls all an apps windows forward, some times it doesn't08:50
jjohansen  I can't tell which app I am switching too08:50
jjohansen  I loose spatial information on the window so I can be looking at the window I want but have to try picking it out of an icon, or wait for it to give a shrunken view of the window, which I still can't distiguish between when its between 3 or 4 terminals08:50
jjohansenthe spatial info loss is my biggest gripe, assuming that the bugs are worked out08:51
jjohansensigh, no the compiz application switcher is still buggy08:55
apwjjohansen, i do find working out which one is highlighted difficult for some reason09:14
jjohansenapw: it used to be a little easier, but they changed the highlighting color and now I find it really hard09:15
=== amitk is now known as amitk-afk
diwicapw, the sound card name of your snowball mic?10:08
apwdiwic, hi10:13
apwdiwic, how do i find that out10:14
diwicapw, so I got upstream's blessing for my solution to blacklist USB devices which don't have digital in/out, just need the card names to put in the blacklist10:14
diwicapw, pastebin /proc/asound/cards10:14
diwicwith the mic connected10:14
apw 1 [Snowball       ]: USB-Audio - Blue Snowball10:15
apw                      BLUE MICROPHONE Blue Snowball at usb-0000:00:1d.7-4.5.4, full speed10:15
diwicthanks!10:15
apwthat is showing two entries, one is 'iec958-stereo-input' the other 'Microphone'10:15
apwthough for all i know it really does have stereo support10:16
apwit was expensive enoug10:16
apwh10:16
diwicthe normal "microphone" input should enable stereo recording by default.10:16
apwahh ok, then yeah i don't need two :)10:17
apwwhy do we get two?10:17
apwoh interesting they are linked, the mute on one mutes both anyhow10:17
diwicthe iec958 shouldn't be there.10:18
diwicit's a bug.10:18
apwgood enough10:18
diwicapw, feel free to read bug 940145 if you're interested in more details.10:19
ubot2`Launchpad bug 940145 in pulseaudio "USB analog only devices sometimes show up with digital profile as well" [Undecided,In progress] https://launchpad.net/bugs/94014510:19
=== amitk-afk is now known as amitk
* apw prepares to shift location ...13:24
* ogasawara back in 2015:04
* apw returns15:14
ckingapw -> pop stack into kent15:20
* apw smells coffee ... yumm15:20
tgardnerapw, that didn't take long.15:20
apwapparently 1:45 which is a lot really15:21
ckingapw, M25/M20 slow then?15:25
apwcking, no it was a pretty steady run, no expalnation other than faffing15:25
apwogasawara, closed a couple of WIs for the hyper-v stuff ...15:35
ogasawaraapw: sweet, thanks15:36
ogasawaraapw, tgardner: will likely upload 3.2.0-18.29 later today, gcc was uploaded yesterday so am going to wait for it to finish up its builds15:38
apwogasawara, sounds good15:39
tgardnerogasawara, I updated tangerine/gomeisa chroots this AM with new gcc and binutils15:39
ogasawaratgardner: cool, thanks.  yah, the only build still going is powerpc15:39
apwogasawara, any idea how long it takes on powerpc normally ?15:49
=== JanC_ is now known as JanC
ogasawaraapw: previous build was ~9hrs15:49
apwogasawara, so another 5 then15:49
apwogasawara, if you want me to upload it in the morning, drop me a note15:50
ogasawaraapw: no worries, I'm hoping it'll just be finishing up before I usually bail.  If not, I'll check it this evening and upload.15:50
apwif not, you know where i am :)15:51
smbapw, ... in the basement right hand side room?16:12
tgardnerapw, there is a hyperv patch that you should cherry-pick after David Miller's latest pull request is honored; '10) hyperv network driver uses the wrong driver name string, fix from Haiyang Zhang.'16:35
apwtgardner, ack16:36
tgardnerapw, its real subject line is "net/hyperv: Use the built-in macro KBUILD_MODNAME for this driver"16:36
tgardnerapw, huh, its already committed: d31b20fcc89efa8c5d3f5ea2720e08a286b69a3616:42
apwtgardner, yay thanks ... will pull it over16:42
apwtgardner, that must have been recent ... as tis not in my pull from this morning16:43
tgardnerapw, no, I think it was in the last few minutes16:43
apwtgardner, and there it is ... will get it now16:43
ckingyawn16:47
apwtgardner, ok pushed16:55
tgardnerapw, ack16:55
* apw reboots to test a kernel17:14
* tgardner has an appt, back in awhile.17:37
=== tgardner is now known as tgardner-afk
akgranerapw ping?18:02
apwakgraner, hi18:04
akgranerapw - guess what is happening again - I'm getting heat issues but I don't know if it's chromium or something else18:04
akgranermy machine has hit 90+ C temps 5 times in less than 5 hours18:05
akgranerand shuts down hard18:05
apwakgraner, same old machine that did it before ?18:05
apwakgraner, this issue went away for the longest time didn't it18:06
akgranerdifferent machine18:06
akgranerthinkpad now18:06
apwakgraner, i assume it is on precise now?18:06
akgranerthe dell finally died a heat ridden death18:06
akgranerapw, yep upgraded today18:06
apwakgraner, and it was fine on oneiric ?18:07
akgraneryep18:07
akgranerjust started today18:07
apwok so then ... we need to get a bug filed for this18:07
bjfakgraner: is this after a few suspend/resumes or from cold boot and after some time running ?18:08
apwand your first debugging task is to boot back into your oneiric kernel18:08
akgranerIt's docked 18:08
apwand confirm it is ok in that combination, if so then we need to try the kernels in between18:08
apwto see where it is coming from18:08
akgranerI have have dual monitors as well - so first I lose a monitor then the heat pegs then it dies18:08
akgranerapw, ok - let me put it through the paces again   and see if I can reproduce on purpose18:12
akgranerthe drop back the oneiric kernel and go from there18:12
apwakgraner, sounds good ...18:12
apwakgraner, bjf had a question, which might imply he has an idea what the issue is ^^18:13
akgranerthanks - just thought I'd give you a heads up18:13
apwakgraner, and what thinkpad model is it18:13
akgranerbjf - after it's been running - longest time was a little over an houe18:13
apwakgraner, i think he is asking is it from cold boot, use, break18:14
apwakgraner, or is it cold boot, s/r a few times, use, break18:14
akgranerbjf T41018:14
akgranerno s/r18:14
akgranerhappen once from cold boot, the rest of the times during use18:15
apwakgraner, when you have a bug filed, get the number to jsalisbury so he can do a bisect once you confirm that O is good and P is bad with the same userspace18:16
bjfakgraner: i ask because i have a x301 and after some number of suspend/resumes it seems to forget to regulate the fans18:17
akgranerapw - will do18:17
bjfakgraner: i can "fix" it by just rebooting or I have a small script which i can manually adjust the fans18:18
akgranerbjf - ahh ok...I'll pay closer attention and verify its not the fans  if it is I'll let ya know :-)18:20
ckingbjf, i'm looking at thinkpad fan controls at the moment, I'm doing some precise measurements with specific loads and comparing kernels etc18:25
ckingbjf, can you send me that script too?18:26
bjfcking, sent18:27
ckingta!18:27
akgranerapw - so I just killed deja dupe and that looks like it was part of the issue18:30
ckingbjf, so the default "auto" seems not be OK for a load of users, I'm seeing how auto performs compared to different level settings18:30
apwakgraner, the machine should not overheat under load really, something is wrong18:32
ckingakgraner, how old is the machine? My lenovo kept on rebooting because of thermal issues because the fan outlet was full of fluff18:32
akgranercking, I know - b/c of your post that's the first thing I check now :-)18:34
ckingfluff 'n' fans don't mix18:34
ckingits tempting to set the fan level to "full-speed" and see how hot it gets18:35
akgranerapw - 2 years old18:35
akgranerapw - Its an arrendale chipset18:36
apwheh, !quality18:36
* cking shudders18:39
akgranercking, I hope it's because you a cold :-)18:40
=== tgardner-afk is now known as tgardner
akgranerok - I'll get this filed and let you all know more soon thanks!18:40
akgranerapw - if would help and save time for all of us - I can share my screen and open a term for  you to have a look18:42
akgraneryou'll just have to tell me what you want to see etc18:43
apwakgraner, i think what needs doing is something that'll take longish testing, so it'll make more sense for you to do it18:45
akgranerno worries 18:45
akgraneryou know I don't mind :-)18:45
ckingakgraner, have you got a bug number I can put some comments into for this issue?18:49
akgranerI will in a minute :-)18:50
ckingcool18:50
akgranerhttps://bugs.launchpad.net/ubuntu/+source/linux/+bug/95104919:02
ubot2`Launchpad bug 951049 in linux "Lenovo T410 is overheating and shutting down" [Undecided,New]19:02
akgranercking, apw- I wasn't sure what all to say  - let me know if I need to add anything else right now19:03
=== tgardner is now known as tgardner-lunch
ckingI will put some comments.. /me needs to reboot first19:09
Sarvattpopey: do you  have that viewsonic monitor handy, and would you be willing to try some magic to possibly fix it? :)19:13
ckingakgraner, I've updated the bug with something to try for the next 24 or so hours. 19:15
akgranerok will do :-) thank you!19:15
=== tgardner-lunch is now known as tgardner
GrueMastersconklin: Got a sec?  I was thinking about our power test measurement, and looking at http://www.amazon.com/Electronic-Specialties-695P-Current-Multimeter/dp/B000I17RAM/ref=sr_1_18?ie=UTF8&qid=1331320671&sr=8-18 as a possible better solution to tapping inline.19:30
GrueMasterWanted to know your thoughts.19:31
sconklinGrueMaster: my first impressions are 1) 10 mA resolution really isn't good enough. and 2) you'd have to either still get down to a single supply line or be able to clip it over all the wires for a given voltage.19:39
sconklinGrueMaster: but it should just plug into what we have, and for the price, if 10 mA is good enough resolution for you it might be worth a try19:39
akgranercking, neat  - poof magic  - now I hear the fans 19:40
GrueMasterClipping over the wires is easier than splicing in between.  That was my thought at least.19:40
ckingakgraner, that's good - lets see if it overheats with them on full tilt19:40
akgranercking, I'll let ya know19:42
ckingpop the details in the bug and we can work on finding out where it's going wrong19:42
ckingta!19:42
* cking calls it a day19:42
tgardnersforshee, re: bug #950320 - you should put the workaround to enable passive DFS channels in the bug.20:15
ubot2`Launchpad bug 950320 in linux "[MacBook Air 4,1] Wireless scan fails to see APs on DFS channels" [Medium,Confirmed] https://launchpad.net/bugs/95032020:15
sforsheetgardner, it's there in the bug description20:16
tgardnersforshee, ah, its just damn hard to see.20:17
sforsheeI guess I could add ***WORKAROUND*** to make it easier to find ;)20:17
sforsheetgardner, I made it a little easier to find20:20
tgardnersforshee, yeah, that works20:21
sforsheetgardner, sounds like broadcom is going to fix that problem by adding the custom domain to brcmsmac, but I don't know when we can expect it20:22
tgardnersforshee, likely 3.4 timeframe20:24
sforsheeif we're lucky20:24
sforsheethe merge window will be pretty soon now20:24
tgardnersforshee, perhaps you could accelerate the process by sending a patch to Linville as a bug fix.20:24
tgardnersforshee, and Cc stable20:25
sforsheetgardner, a patch to do what? add the custom domain?20:25
sforsheeI don't think I actually know what's valid for this broadcom-custom regulatory domain20:26
sforsheealthough likely it's the same as the world domain but with passive scanning on the DFS channels20:26
tgardnersforshee, is there a domain the allows passive scanning on DFS channels ?20:27
sforsheetgardner, US does for sure20:27
sforsheeI guess I could detect X0 and override it with US and see what they think of that20:27
tgardnerseems like a hack. does the X0 come from EEPROM or something ?20:28
sforsheetgardner, yes, from eeprom20:28
sforsheeit's definitely a hack, although it sounds like they already do something similar20:28
tgardnersforshee, I thought you said X0 is bogus, right? Is that what causes mac80211 to use the world domain ?20:29
sforsheetgardner, yes. X0 is something broadcom made up. Since CRDA doesn't know about it it results in using the default, i.e. the world domain20:30
tgardnersforshee, well then, perhaps defaulting to a US domain isn't such a hack.20:30
sforsheetgardner, it's still a hack, but not an unreasonable one20:31
sforsheeit might not be that hard to do the custom domain though, I'll look into it20:31
ohsixisn't the world one the subset of all the regulatory domains20:31
ohsixit's easy, i've done it before20:31
sforsheewhen I send the patch I suppose broadcom can correct what I get wrong20:31
ohsixyou add it to crda, regen; sign it yourself and it's automatically used if put in the right place20:31
sforsheeohsix, yes, but we want it to work by default20:32
sforsheethe one the kernel uses is hard-coded in the wireless core code20:32
ohsixright, so ubuntu would sign it instead of having the linux-wireless guys key on it :]20:32
ohsixreally? i thought that went away a long time ago, or are you referring just to the broadcom driver?20:32
sforsheenope, look at net/wireless/reg.c20:32
sforsheeworld_regdom specifically20:33
ohsixhm, i see20:33
ohsixoh, world is in there; the rest are in crda20:34
sforsheeohsix, there's a reasonable explanation for the DFS channels being disabled by default. See http://www.spinics.net/lists/linux-wireless/msg86540.html20:34
ohsixDFS is the radar thing isn't it? afaik it was almost always off; so i can't really provide any input, i thought having added my own regdom to crda was useful :]20:36
sforsheeyes, it's related to ceasing transmission when radar is detected on the channel20:37
* apw gives it up20:38
* tgardner is about ready to give it up20:38
sforsheequitters20:39
* apw sends sforshee 10 machines to debug, by monday20:40
sforsheeapw, par for the course ;)20:40
apw:)20:40
apwhave a good 'en20:40
sforsheeyou too20:41
Sarvattsforshee: awesome, thanks for the workaround! was wondering why i could never get on the 5ghz band on this thing20:51
sforsheeSarvatt, I just noticed it earlier this week after I set up my new router and couldn't see my 5 GHz AP20:55
=== yofel_ is now known as yofel

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