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zul | BenC: http://ozlabs.org/~rusty/paravirt/ | 12:36 |
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zul | ill have a look but it looks like it touches alot of stock files as well | 12:38 |
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crimsun | missing 'h' in chuck's patch (last hunk) for ATI RS690 HDMI | 02:23 |
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radone | greetings. I am trying to compile project and I got: /lib/modules/2.6.15-27-386/build: No such file or directory | 10:46 |
radone | linux sources are already installed, but how can I create build directory? | 10:46 |
crimsun | you need linux-headers-$(uname -r), not linux-source-2.6.15 | 10:47 |
radone | crimsun: installed, but without any effect - /lib/modules/2.6.15-27-386/ exists, but sub-directory build/ not :-( | 10:54 |
crimsun | well, what's uname -r ? | 10:55 |
radone | uname -r: 2.6.15-27-386 | 10:56 |
crimsun | and what's the dir listing of /usr/src/ ? | 10:56 |
crimsun | we should migrate to #ubuntu, btw | 10:56 |
radone | linux-headers-2.6.15-27 is included in /usr/src/ | 10:58 |
crimsun | bingo, you're missing linux-headers-2.6.15-27-386 | 10:58 |
radone | crimsun: thanks for help. I have overlooked this :) | 10:59 |
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user__ | where is the diff.gz of 2.6.19-5.7? there is no 2.6.19-5 on packages.ubuntu | 11:13 |
crimsun | that's because you misread. | 11:14 |
crimsun | there is no diff.gz, because it's native. | 11:14 |
crimsun | 929c6c7855932231f20b8148235b1d17 59289186 devel optional linux-source-2.6.19_2.6.19-5.7.tar.gz | 11:14 |
crimsun | https://lists.ubuntu.com/archives/feisty-changes/2006-November/000206.html | 11:14 |
user__ | why is there no 2.6.18? | 11:14 |
crimsun | because .19 is the target | 11:15 |
user__ | crimsun, is 2.6.17 using readahead patches? | 12:18 |
user__ | and where can one obtain the brokenout? of the patchset? | 12:19 |
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user__ | oot@vulaogdx:/usr/src/linux# fakeroot make-kpkg --initrd | 12:48 |
user__ | exec debian/rules DEBIAN_REVISION=2.6.18-allesineenpc-1-10.00.Custom INITRD=YES | 12:48 |
user__ | is not working | 12:48 |
user__ | where did it go wrong? | 12:48 |
user__ | running edgy | 12:49 |
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makx | user__ try to specifiy a target also you don't need to be root to build your kernel | 01:39 |
makx | user__ also use your home to build something aka ~/src | 01:40 |
user__ | can I do a request? could ubuntu distribute ck kerenels? | 01:40 |
makx | the ck patchset is useless | 01:40 |
makx | mainline is much better | 01:40 |
user__ | howcome? | 01:40 |
makx | if you want hard rt you need to use -rt | 01:40 |
user__ | what makes it useless? | 01:40 |
makx | the O1 scheduler | 01:41 |
makx | on 2.4 the -ck patchset was very interesting | 01:41 |
user__ | is there a -rt(realtime??) patchset? | 01:41 |
makx | also requests on irc are lost in the noise so not very effictive :-P | 01:42 |
makx | yes ingo takes care of the -rt effort | 01:42 |
makx | anyway need to work now | 01:42 |
user__ | ok last question,what patches also need to be in for good performance? | 01:42 |
user__ | latency .. | 01:42 |
makx | depends on your hardware | 01:44 |
user__ | can I combine rt with hz patch or other patches from ck? like the hz default patch or the swap prefetch swappiness? | 01:46 |
user__ | would it benefit ? | 01:46 |
makx | rt has dynticks much cooler | 01:46 |
user__ | so none of the patches in ck would benefit if one would ues -rt | 01:48 |
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kylem | Keybuk, ping. what kernel version were you seeing the waitid problems? | 06:25 |
Keybuk | kylem: 2.6.17 | 06:27 |
kylem | k | 06:27 |
Keybuk | the code looks identical in 2.6.19 | 06:28 |
Keybuk | set_fs(KERNEL_DS); | 06:28 |
Keybuk | ret = sys_waitid(which, pid, (siginfo_t __user *)&info, options, | 06:28 |
Keybuk | uru ? (struct rusage __user *)&ru : NULL); | 06:28 |
Keybuk | set_fs(old_fs); | 06:28 |
Keybuk | if ((ret < 0) || (info.si_signo == 0)) | 06:28 |
Keybuk | return ret; | 06:28 |
Keybuk | note that if ret < 0 or no signal received, it just returns | 06:28 |
Keybuk | without ever calling copy_siginto_to_user32 | 06:28 |
Keybuk | oh, hmm, there's a memset above now | 06:28 |
Keybuk | ah | 06:29 |
Keybuk | no | 06:29 |
Keybuk | that memset is for the 64-bit sigingo | 06:29 |
kylem | right. | 06:29 |
Keybuk | uinfo is never cleared, and can be returned as passed | 06:29 |
kylem | er, shouldn't there have been a copy_siginfo_from_user? | 06:29 |
Keybuk | no, the struct is not used | 06:30 |
Keybuk | ie. it's only to return data | 06:30 |
Keybuk | not to pass in | 06:30 |
kylem | ahh. righto. | 06:30 |
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Keybuk | (note that do_wait deliberately clears the struct when returning certain conditions | 06:33 |
Keybuk | so that sys_waitid gets a cleared struct | 06:33 |
Keybuk | but because compat_sys_waitid exits early, it never copies the cleared struct into the wider one) | 06:34 |
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