| BenC | later | 12:07 |
|---|---|---|
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| zul | hey | 12:31 |
| BenC | yo | 01:09 |
| zul | how is it going | 01:14 |
| zul | http://www.youtube.com/watch?v=y6vhTSwoSA8 | 01:16 |
| BenC | writing wiki pages isn't fun | 01:17 |
| zul | heh...im doing some grub stuff | 01:17 |
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| zul | yay..new grub works | 02:51 |
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| kimo | I am using 2.6.17-1.1, everything in official dapper kernel is fixed :) Problem, is waking from sus2ram => kernel oops. Should I report this ? where ? | 09:03 |
| crimsun_ | sure. [https://launchpad.net/distros/ubuntu/+source/linux-source-2.6.17/+filebug] | 09:05 |
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| kimo | Thanks, bug reported | 09:39 |
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| kimo | anyone knows the difference bet a process's nice value & its priority value (as shown in top for example)! | 01:02 |
| infinity | Priority is the kernel assigned priority, which relates to the niceness, but not always in an obvious 1:1 way. | 01:04 |
| kimo | thanks ... any relation, or totally random! | 01:05 |
| kimo | depends on load ? | 01:05 |
| Keybuk | PRI = Nice + -20 | 01:18 |
| Keybuk | iirc | 01:18 |
| fabbione | last i checked it was slightly different | 01:20 |
| kimo | if its that straightforward, then its redundant | 01:20 |
| fabbione | priority indicates the amount of CPU the process is allowed to get and it's calculated according to the amount of processes | 01:20 |
| fabbione | nice is a value that indicates how quickly a process can be deprioritized | 01:20 |
| fabbione | (or prioritized according to the POV) | 01:21 |
| fabbione | so a process can be high priority because it's really CPU consuming | 01:21 |
| fabbione | but it can be nice 20 and gets deprioritized very fast if other process with same or higher priority get in the game | 01:21 |
| fabbione | see for example stuff like setiathome | 01:21 |
| fabbione | they are very cpu intesive (high priority) but they get trashed on the floor if anything else needs CPU (high nice level) | 01:22 |
| kimo | this way, the priority, is an internal (scheduler) thing, right. The user shouldnt & doesnt want to see it, and cant change it, right ? | 01:23 |
| Keybuk | users never need to use top | 01:23 |
| kimo | admins I mean | 01:24 |
| fabbione | kimo: assume you have a 1 sec sample of time | 01:24 |
| fabbione | n one sec a lot of things happen in the CPU | 01:24 |
| fabbione | tons of processes are running | 01:24 |
| fabbione | they need to get scheduled and for only a very precise amount of time | 01:25 |
| fabbione | the priority is used to calculate that time | 01:25 |
| === kimo is thinking, priority is speed, nice is acceleration. Nice changes how 'fast' priority changes! | ||
| fabbione | right | 01:27 |
| kimo | cool ... thanks a lot for the verbose explanation | 01:28 |
| fabbione | kimo: please deposit 1.000 USD on my bank account | 01:29 |
| fabbione | ;) | 01:29 |
| kimo | :) | 01:31 |
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| zul | heylo | 01:35 |
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| hub | hi | 04:00 |
| hub | how can I get older kernel packages from the Dapper development cycle? | 04:00 |
| hub | I have a freeze in -23 that happen less often in -22, but used to never have problems with older kernel | 04:01 |
| hub | I want to track it down to a specific release | 04:01 |
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| jbailey_ | BenC: Hey, is this the patch from the guy who's stuff is in the -mm tree? | 04:09 |
| jbailey_ | (re: the lkh mail you sent me today) | 04:09 |
| jbailey_ | If yes, I was hoping to drag you aside and look at it in Paris sometime. =) | 04:09 |
| BenC | Not sure, but it looked like something you'd be interested in | 04:09 |
| BenC | ok, we can do that | 04:09 |
| jbailey_ | Or during the toolchain workshop or something. | 04:10 |
| === BenC can't wait to leave for paris | ||
| jbailey_ | About 12 hours for me. | 04:11 |
| jbailey_ | The flight was much cheaper. | 04:11 |
| jbailey_ | But I thought it was tomorrow. I'm glad I looked at my tickets a couple days ago. | 04:11 |
| BenC | 2 more days for me | 04:16 |
| zul | dont get into too much trouble | 04:21 |
| zul | jbailey_: customs agents at trudeau might recieve a call about you on your way back though ;) | 04:22 |
| jbailey_ | Err. Why? | 04:22 |
| jbailey_ | What did you do? | 04:22 |
| jbailey_ | Oh | 04:23 |
| jbailey_ | misread. | 04:23 |
| jbailey_ | I know where you live. | 04:23 |
| zul | you know the city, not the street :) | 04:23 |
| jbailey_ | I just need a sufficiently high grade weapon. | 04:23 |
| zul | true | 04:23 |
| jbailey_ | ;) | 04:23 |
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| BenC | when I went to Montreal | 04:30 |
| BenC | my friend got flagged in Baltimore for random search | 04:30 |
| zul | last time i flew out of montreal there was a bomb scare on the airplane that i was on. | 04:31 |
| BenC | while he was being frisked by a large security person behind a glass wall, I leaned over and told the guard "He's got something hidden up his butt, might want to check it out" | 04:31 |
| BenC | the guard said "If he's got something up there, it's going to stay there" | 04:32 |
| BenC | my friend was not happy :) | 04:32 |
| zul | .hehe | 04:32 |
| hub | zul: customs agent in YUL are assholes | 04:36 |
| hub | zul: next time I'll ask what 272 means on the custom form | 04:37 |
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| zul | heh | 04:37 |
| hub | so no archive of the kernel packages anywhere? | 04:38 |
| zul | isnt there a morgue? | 04:40 |
| hub | you tell me | 04:40 |
| hub | I'm looking for older like 2.6.15-19 to track down a regression | 04:41 |
| hub | my laptop freeze on wake up, very often | 04:41 |
| Keybuk | hub: on Launchpad | 04:41 |
| hub | -22 seems better than -23 | 04:41 |
| Keybuk | go to the kernel source page, and it lists all the versions | 04:41 |
| Keybuk | pick one and it lets you download the binaries | 04:41 |
| hub | ok. now I need to locate them in Launchpad | 04:42 |
| Keybuk | linux-source-2.6.15 | 04:42 |
| === hub won't say anything about launchpad UI | ||
| BenC | https://launchpad.net/distros/ubuntu/+source/linux-source-2.6.15 | 04:43 |
| hub | BenC: yeah reached that | 04:43 |
| hub | thanks | 04:43 |
| Keybuk | now pick a version | 04:44 |
| hub | yep | 04:45 |
| Keybuk | oh, weird, the binaries are missing | 04:45 |
| Keybuk | iz lp bug | 04:45 |
| hub | Keybuk: no biggie, I'll debuild it | 04:45 |
| Keybuk | ah | 04:45 |
| Keybuk | no | 04:45 |
| Keybuk | you have to go to the build | 04:45 |
| Keybuk | https://launchpad.net/+builds/+build/189805 | 04:45 |
| Keybuk | and then pick a binary | 04:45 |
| BenC | hub: Only choice if lp doesn't have them is to get the GIT repo, and use the tags to build | 04:45 |
| infinity | Yeah, binaries are associated with a build, not with the source. | 04:46 |
| hub | BenC: I'll build from the debian package | 04:46 |
| infinity | Which actually does make sense, internally. Honest. | 04:46 |
| hub | BenC: I have some time anyway | 04:46 |
| BenC | hub: then you'll be downloading quite a few 80Meg tarballs if you don't get the right one the first time :) | 04:46 |
| hub | my problem is that I can't even get enough diagnostic for the bug to be usefull | 04:46 |
| BenC | plus if you do find the right one, still need to use git-bisect to find the exact commit | 04:47 |
| hub | BenC: I have no clue were it freeze | 04:47 |
| hub | BenC: I just want to put in the bug, version foo does not | 04:47 |
| hub | BenC: and stick to that for my laptop | 04:47 |
| BenC | hub: which is really useless | 04:47 |
| hub | freeze on wakeup is a waste of time | 04:47 |
| hub | BenC: then I'll just keep it for myself | 04:48 |
| hub | I have NO output anyway | 04:48 |
| BenC | so you don't want the bug fixed for everyone else, and for security updates? | 04:48 |
| hub | my problem is that dapper final is less stable that developement | 04:48 |
| BenC | I'm not asking for output | 04:48 |
| BenC | you can use git to find the exact commit that causes the problem | 04:48 |
| BenC | if you are willing to take the time to rebuild a kernel that works for you, it would be nice to take a little more to actually find the problem | 04:49 |
| hub | I have never used git | 04:49 |
| hub | BenC: I'll see what I can do on my copious spare time | 04:49 |
| BenC | hub: if you're willing to do the testing, I'm willing to help you through git | 04:50 |
| BenC | URL in topic shows how to obtain the source | 04:50 |
| hub | BenC: ok | 04:51 |
| hub | the thing is that this is my only machine | 04:52 |
| hub | the otherone does not have a keyboard | 04:52 |
| hub | and I'd rather not use it to build kernel | 04:52 |
| BenC | doing something like "git-checkout 2.6.15-22.33" will get you the source for that version | 04:52 |
| hub | .34 freeze sometime, but less that 23.39 | 04:53 |
| hub | 2.6.15-19.29 did not | 04:53 |
| hub | because that one was actually installed but has been purged since | 04:53 |
| hub | I'll start from there, | 04:53 |
| hub | BenC: ubuntu-dapper.git I should get? | 04:56 |
| hub | BenC: the bug is that one https://launchpad.net/distros/ubuntu/+source/linux-source-2.6.15/+bug/49078 | 04:58 |
| BenC | yeah, dapper.git is what you want | 04:59 |
| hub | currently cloning | 05:00 |
| === hub knew bk at one point | ||
| BenC | it's very similar to bk | 05:01 |
| mkrufky | except git is open source | 05:02 |
| hub | mkrufky: yeah. that is something that was bugging me | 05:03 |
| hub | mkrufky: but the only reason I used it is because I did doing kernel development at that time, for a short living | 05:04 |
| mkrufky | bk was good while it was used -- i'm not knocking it ;-) | 05:05 |
| hub | mkrufky: the worse was that $BOSS didn't trust people so we had to send hime patches | 05:07 |
| mkrufky | huh? | 05:08 |
| hub | yeah we had our own bk tree | 05:08 |
| mkrufky | oh ok | 05:08 |
| hub | and all the change had to go thru $BOSS | 05:08 |
| hub | who didn't care about upstream | 05:08 |
| hub | unless it was to pull the changes | 05:08 |
| mkrufky | who is "we" ? | 05:09 |
| hub | mkrufky: me and other coworker at that time | 05:10 |
| hub | mkrufky: working on a ADSL settop box for the #2 ISP in France | 05:10 |
| hub | but this is getting off-topic | 05:11 |
| hub | does building the kernel use ccache? | 05:12 |
| hub | if available? | 05:12 |
| zul | yes you can use ccache | 05:13 |
| === BenC would be useless without ccache for kernel builds | ||
| fabbione | BenC: no just a tad slower ;) | 05:16 |
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| hub | BenC: I did a git clone, and if I do a 'git-checkout 2.6.15-19.29', it says | 06:09 |
| hub | git checkout: you need to specify a new branch name | 06:09 |
| BenC | git-branch 2.6.15-19.29 2.6.15-19.29 | 06:10 |
| BenC | try that | 06:10 |
| BenC | if that doesn't work, cat .git/refs/tags/2.6.15-19.29 | 06:11 |
| BenC | and do git-branch 2.6.15-19.29 <sha from cat> | 06:11 |
| hub | git-branch did work | 06:12 |
| hub | or at least didn't complain | 06:12 |
| BenC | ok, from there you can git-checkout 2.6.15-19.29 | 06:13 |
| hub | in progress | 06:13 |
| hub | done | 06:14 |
| BenC | are you using 386, 686, k7? | 06:15 |
| BenC | sudo apt-get build-dep linux-source-2.6.15 | 06:15 |
| BenC | then do: | 06:15 |
| BenC | fakeroot debian/rules binary-debs flavours=686 | 06:15 |
| BenC | change 686 to which ever you are using | 06:16 |
| hub | Pentium M | 06:16 |
| hub | so likely to be 686 | 06:16 |
| hub | actually it is -386 | 06:16 |
| hub | 2.6.15-22-386 | 06:16 |
| hub | should have I installed a -686 kernel? | 06:20 |
| zul | BenC: the one kail is talking about is 0.54 | 06:20 |
| BenC | hub: no, doesn't matter | 06:22 |
| hub | ok | 06:22 |
| BenC | -386 should work everywhere, while -686 is a little optimized (and has SMP) | 06:22 |
| hub | I'll test with -386 to not add variety to the testing conditions | 06:23 |
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| KaiL | fabbione, so you want the bug # here again? ;) | 06:28 |
| KaiL | bug 49870 | 06:28 |
| KaiL | ok, no bot | 06:29 |
| fabbione | KaiL: why? i am not a kernel maintainer so i am not going to fix anyway :) | 06:29 |
| KaiL | https://launchpad.net/distros/ubuntu/+source/linux-source-2.6.15/+bug/49870 | 06:29 |
| === fabbione wins over and over | ||
| KaiL | I thought, you are? only for edgy? | 06:29 |
| fabbione | nope | 06:29 |
| fabbione | i was.. for breezy | 06:29 |
| KaiL | ah! | 06:29 |
| fabbione | partially breezy sorry | 06:29 |
| fabbione | mostly hoary | 06:29 |
| zul | btw 0.53 apparently fixes this from nvidia | 06:30 |
| KaiL | there's also a 0.54, maybe also bugfix only? | 06:30 |
| KaiL | *0.54: 21 Mar 2006: Fix spin locks for multi irqs and cleanup. | 06:31 |
| KaiL | uhm, yes... | 06:31 |
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| zul | BenC: ill put it my tree.. | 06:31 |
| === ..[topic/#ubuntu-kernel:BenC] : Ubuntu kernel development discussion ONLY | Kernel GIT tree info (updated): https://wiki.ubuntu.com/KernelGitGuide | 2.6.17-1.1 uploaded, please use responsibly | Daily kernel builds (for debug and testing purposes only) http://people.ubuntu.com/~bcollins/kernels-daily/ | Kernel Wiki: https://wiki.ubuntu.com/CategoryKernel | ||
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| zul | hmmm...whats wrong with this bug? #49789 | 09:17 |
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| bluefoxicy | BenC: side note, do you know anyone particularly good with linux kernel mm/ internals? Particularly the swap code | 09:36 |
| BenC | not off hand | 09:36 |
| bluefoxicy | ah damn. Oh well, maybe when I get most of this thing coded I can coerce someone into doing that part. | 09:37 |
| cjb | bluefoxicy: #kernelnewbies on oftc? | 09:38 |
| bluefoxicy | cjb: they bounce me source fil eto source file but the functions are non-intuitive. :) | 09:39 |
| bluefoxicy | cjb: I'm trying to break up the swap code and make a point where the kernel thinks a page has been swapped out but it hasn't yet been sent to the actual swap medium yet (i.e. disk) | 09:39 |
| bluefoxicy | which of course has code that just shoves it into the swap medium | 09:39 |
| bluefoxicy | I have something interesting to do inbetween though. | 09:40 |
| bluefoxicy | (I'll break suspend to disk probably but that'll be a one line fix) | 09:40 |
| cjb | Well, how does, say, the encrypted swap support do it? | 09:41 |
| bluefoxicy | encrypted swap? I dunno. | 09:41 |
| bluefoxicy | I'm not doing anything to the swap file though. | 09:42 |
| cjb | Okay; thought it might be using the hooks you're after. | 09:42 |
| cjb | Since you want take page -> ? -> store page on disk, and "encrypt page" is one such action. :) | 09:43 |
| bluefoxicy | cjb: http://bluefox.kicks-ass.org/mediawiki-1.5.5/index.php/Project_Zone/Design | 09:43 |
| bluefoxicy | cjb: That's what I'm doing :) | 09:44 |
| WebMaven | BenC: Hi Ben! | 09:47 |
| WebMaven | BenC: I just upgraded the laptop, and the fix works! Thanks! | 09:47 |
| WebMaven | Yay! | 09:47 |
| BenC | cool | 09:47 |
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| BenC | sweet, -25 is fixing bug after bug | 10:10 |
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| zul | heylo | 11:27 |
| zul | BenC: ping | 11:29 |
| zul | can you have a look at http://zulinux.homeinux.net/ubuntu/kernel/vmware-player | 11:30 |
| KaiL_ | connection refused ;) | 11:41 |
| zul | oops | 11:41 |
| zul | can you have a look at http://zulinux.homelinux.net/ubuntu/kernel/vmware-player | 11:41 |
| KaiL_ | hmm, would it be possible to write a (userspace?) tool, which sends everything accessing /dev/dsp to esddsp or aoss..? | 11:41 |
| KaiL_ | that should finally end the oss-Hell | 11:42 |
| KaiL_ | ..wrong channel? ;) | 11:47 |
| zul | BenC: compiles and works for me | 11:50 |
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