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| fabbione | BenC: ping? | 02:02 |
|---|---|---|
| BenC | fabbione: yo | 02:02 |
| fabbione | BenC: hey man.. i think something on i386 kernels is broken badly | 02:03 |
| BenC | fabbione: Can you describe? | 02:03 |
| fabbione | trace -o /home/fabbione/foo.strace /bin/ls | 02:03 |
| fabbione | umovestr: Input/output error | 02:03 |
| fabbione | bin dev initrd lib64 mirrors proc sbin tmp vmlinuz | 02:03 |
| fabbione | boot etc initrd.img lost+found mnt raid srv usr | 02:03 |
| fabbione | cdrom home lib media opt root sys var | 02:03 |
| fabbione | make that a strace | 02:04 |
| fabbione | i get a lot of errors (also confirmed by different people on #u-devel) like that umovestr | 02:04 |
| fabbione | it seems to happen only i386 | 02:04 |
| BenC | is this the -12 kernel? | 02:04 |
| fabbione | if you strace something bigger you might see also other errors like ptrace: Input/Output error | 02:05 |
| fabbione | confirmed to be there from at least .20-9 | 02:05 |
| fabbione | but yes. i am specifically running .20-12 | 02:05 |
| BenC | hmm | 02:05 |
| BenC | cool, I have -6 and -7 on this box, let me check those | 02:11 |
| fabbione | ok | 02:12 |
| BenC | fabbione: Same on -7 | 02:19 |
| fabbione | ok | 02:19 |
| Keybuk | BenC: random question about the kernel, if you have time to answer it | 02:29 |
| BenC | Keybuk: Sure | 02:30 |
| Keybuk | disk write cache; does that get flushed on shutdown? | 02:30 |
| Keybuk | specifically for IDE | 02:30 |
| mjg59 | Yes | 02:30 |
| Keybuk | can you cite a reference in the source; I couldn't find out for definite where it happened | 02:31 |
| mjg59 | Unless you're seeing massive filesystem corruption, in which case the answer is probably no (but shouldb be yes) | 02:31 |
| Keybuk | I can see it happens when you reboot, but not halt or poweroff | 02:31 |
| Mithrandir | hm, maybe that's the reason why I've seen some ext3 corruption in the past. | 02:31 |
| mjg59 | Keybuk: Hm. In the poweroff case, I suspect that it's supposed to be done when the drive's powered down | 02:32 |
| Keybuk | but I can't see anything that even powers down the drive :p | 02:32 |
| mjg59 | Keybuk: Just to clarify - do you mean drivers/ide or libata? | 02:33 |
| BenC | fabbione: Same as far back as -6 | 02:33 |
| Keybuk | drivers/ide | 02:33 |
| Keybuk | reason for asking: | 02:34 |
| Keybuk | the sysvinit halt binary deliberately standbys IDE disks by iterating /proc/ide | 02:34 |
| Keybuk | and the manpage claims this is because the Linux kernel doesn't | 02:34 |
| mjg59 | Hm. It's conceivable. | 02:34 |
| Keybuk | this seems somewhat silly to me; and causes problems when you try and run halt on things like <hardware from Sony>s which don't have an IDE controller | 02:34 |
| mjg59 | (Go go stupid workarounds) | 02:34 |
| Keybuk | I could believe that the manpage is way out of date | 02:35 |
| Keybuk | or if not, and it's a simple patch, it'd seem sweeter to fix the kernel? | 02:35 |
| mjg59 | Yeah | 02:35 |
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| ivoks | mjg59: do we have any policy for | 02:50 |
| ivoks | mjg59: doh.. STOP_SERVICES in /etc/default/acpi-support | 02:50 |
| mjg59 | Yes. Don't add things to it. | 02:50 |
| ivoks | ok :) | 02:51 |
| kylem | Keybuk, are you complaining about what? sata/scsi? | 02:51 |
| mjg59 | kylem: drivers/ide | 02:51 |
| kylem | ah. | 02:52 |
| kylem | well. turn off your write cache. it's a bad idea anyway. | 02:52 |
| Keybuk | kylem: is it off by default? :p | 02:52 |
| kylem | it should be on most disks. | 02:52 |
| kylem | unless hdd folks have gotten really ballsy in the last couple years. | 02:53 |
| kylem | SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA | 02:54 |
| kylem | huh. poop. | 02:54 |
| Keybuk | The -h flag puts all harddisks in standby mode just before halt or | 02:54 |
| Keybuk | poweroff. Right now this is only implemented for IDE drives. A side | 02:54 |
| Keybuk | effect of putting the drive in standby mode is that the write cache on | 02:54 |
| Keybuk | the disk is flushed. This is important for IDE drives, since the kernel | 02:54 |
| Keybuk | doesnt flush the write-cache itself before poweroff. | 02:54 |
| Keybuk | (is the sysvinit halt manpage reference) | 02:54 |
| kylem | anyway, if you're using libata-pata, the scsi layer will send a SYNC CACHES command which should end up in libata and be issues properly to the drive. | 02:54 |
| kylem | Keybuk, interesting. | 02:55 |
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| seb128 | hi | 04:22 |
| seb128 | I'm trying to rebuild a feisty kernel with the 8390.c from edgy following the instructions on https://wiki.ubuntu.com/KernelCustomBuild | 04:23 |
| seb128 | I've apt-get install linux-source, copied the tar.bz2 somewhere, untar-ed it, copied the .c and now I'm running "AUTOBUILD=1 fakeroot debian/rules binary-debs" which doesn't work | 04:23 |
| seb128 | "make: *** No rule to make target `binary-debs'. Stop." | 04:24 |
| seb128 | any idea of what I'm doing wrong? ;) | 04:24 |
| abogani | seb128: That procedure works only with original git sources.... | 04:31 |
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| seb128 | abogani: the wiki page is not clear then ;) | 04:32 |
| abogani | seb128: exactly :-) | 04:33 |
| seb128 | ok, using make-kpkg then ;) | 04:33 |
| seb128 | thank you | 04:33 |
| abogani | seb128: Nothing | 04:33 |
| Simira | does anyone know the bug number on "fan doesn't work after resume"? It's a kernel bug with hp laptops, that's reappeared. | 04:35 |
| BenC | Simira: It should be fixed in 2.6.20-12 kernels | 04:38 |
| Simira | BenC: I just tested on daily | 04:43 |
| Simira | BenC: and it doesn't work for me | 04:43 |
| BenC | Does it have -12 kernel? | 04:43 |
| Simira | yup | 04:43 |
| BenC | I included all the mentioned patch sets to fix that, so if something else is needed, someone with that hw will have to work out what it is | 04:44 |
| BenC | You've got about 3 weeks to do it :) | 04:44 |
| Simira | I'll test again. We're two testing this spesific model, so we should manage to work it out | 04:45 |
| BenC | Simira: If you need to find the bug, do an advanced search on linux-source-2.6.20 and include "Fix Released" bugs | 04:46 |
| Simira | BenC: I'll do that. Thanks | 04:46 |
| seb128 | anything else I can try about bug #87078? 2.6.20 doesn't build with the 8390.c from 2.6.17 | 04:49 |
| seb128 | and the "irqpoll" option makes the box freeze during desktop login | 04:49 |
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| abogani | seb128: If you use apt-get source linux-source-2.6.20 you can use "AUTOBUILD.... etc etc" as reported in the wiki page | 05:06 |
| seb128 | abogani: ok, thank you | 05:07 |
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| BenC | fabbione: FYI, I get the strace problem all the way back to -6 | 07:05 |
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| BenC | mjg59: ping | 08:01 |
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| mjg59 | BenC: Hi | 08:03 |
| BenC | mjg59: Hey, I want to enable the tifm_ms+memstick driver you sent me, but it's missing linux/memstick.h | 08:04 |
| mjg59 | BenC: Ok. I'll try to sort that. | 08:04 |
| BenC | mjg59: Thanks | 08:04 |
| fabbione | BenC: ok | 08:05 |
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| Lure | Simira: I am currently building kernel with additional patches that may fix fan & resume issues on hp laptops | 08:20 |
| Lure | Simira: will document in bug what I find | 08:20 |
| Lure | cd | 08:21 |
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| orangey | hey all! | 08:21 |
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| Lure | Simira: related bugs are 63123, 75398 & 74877 | 08:21 |
| orangey | Ben Collins has accepted a patch into the kernel that makes ide-acpi.c, however, it is not enabled in the kernel binaries | 08:21 |
| orangey | Lure: I'm the dude who submitted the unified patch.. | 08:22 |
| orangey | Lure: I saw your comments. | 08:22 |
| Lure | orangey: yep, one patch from your diff is missing, I have traced most fixes back in upstream git | 08:22 |
| orangey | re config for kernel: what config do I play with to patch? I want to enable IDEACPI | 08:22 |
| orangey | Lure: awesome. | 08:22 |
| orangey | Lure: you're talking about 37? | 08:23 |
| BenC | orangey: In feisty, it's enabled | 08:23 |
| BenC | at least it should be | 08:23 |
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| Lure | BenC: is it possible to build generic without lowlatency (building with flavour=generic)? | 08:24 |
| BenC | $ rgrep BLK_DEV_IDEACPI debian/config/debian/config/ia64/config:CONFIG_BLK_DEV_IDEACPI=y | 08:24 |
| BenC | debian/config/i386/config:CONFIG_BLK_DEV_IDEACPI=y | 08:24 |
| BenC | debian/config/amd64/config:CONFIG_BLK_DEV_IDEACPI=y | 08:24 |
| Lure | BenC: it is enabled | 08:24 |
| BenC | in dact, it is enabled | 08:24 |
| BenC | fact | 08:24 |
| BenC | Lure: rm -f debian/config/*/lowlatency | 08:24 |
| orangey | BenC: ah. ok. | 08:24 |
| Lure | BenC: thanks - will shorten my build by half ;-) | 08:24 |
| orangey | BenC: it seems I don't have the most recent source, then. one moment. | 08:25 |
| BenC | orangey: grep IDEACPI /boot/config-`uname -r` | 08:25 |
| orangey | BenC: yep. there! | 08:26 |
| BenC | orangey: Then you have nothing to worry about :) | 08:26 |
| orangey | BenC: my bad. In that case, there is some other reason I can't figure out for why my system will no longer resume with this kernel. | 08:26 |
| BenC | orangey: Please file a bug report on linux-source-2.6.20 with as much information as possible | 08:27 |
| orangey | BenC: will do as soon as I have info : ) | 08:27 |
| BenC | like what kernel version suspend/resume worked with, what type of resume (mem/disk), etc. | 08:27 |
| Lure | BenC: is there any way to override ABI check or do I need to bump ABI number on my local git clone? | 08:35 |
| orangey | hmm.. | 08:35 |
| orangey | It seems my conflicting problems have hit.. | 08:36 |
| BenC | Lure: debian/rules .... skipabi=true | 08:36 |
| BenC | Lure: See topic, all this info is under our wiki | 08:36 |
| Lure | BenC: thanks for help and sorry for bothering you | 08:37 |
| BenC | Lure: No problem at all, just figured there may be other things in the wiki that could help you | 08:37 |
| Lure | BenC: it helped a lot (actually I was lurking when you had online session), it is just a lot to digest ;-) | 08:38 |
| BenC | Lure: The stuff in KernelTeam/KnowledgeBase is probably most interesting for what you're doing | 08:39 |
| BenC | custom kernel build bits | 08:39 |
| orangey | alright.. time to reboot and retest. I think I have the issue figured out. | 08:39 |
| orangey | Thank you Ben. | 08:39 |
| orangey | Amazing work, btw. | 08:39 |
| orangey | It's my first interaction at all with kernel stuff or patching, and you have made it pleasant via your patience. | 08:40 |
| orangey | thank you. | 08:40 |
| orangey | see y'all : ) | 08:40 |
| BenC | orangey: Np | 08:40 |
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| BenC | crimsun: ping | 08:43 |
| === Lure reboots to test kernel | ||
| === ..[topic/#ubuntu-kernel:BenC] : Ubuntu kernel development discussion ONLY | Kernel Wiki: https://wiki.ubuntu.com/KernelTeam | 2.6.20-12.19 Uploaded - If you aren't using it, then you risk your bugs not getting fixed. | BUG STATUS (2.6.20): 359 Open, 0 Unconfirmed, 126 Unassigned | ||
| Nafallo | nice | 09:05 |
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| orangey | hey all. | 09:16 |
| orangey | back. | 09:16 |
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| orangey | Alright. I think I have a good idea of the problem. For whatever reason, it is ata_piix that stops my NC4200 from booting. It was noted that it had to be disabled for suspend / resume to work, however that leaves me victim of the ALERT! no /dev/by-uuid-whatever problem, where I can't boot.. | 09:18 |
| orangey | now.. | 09:18 |
| orangey | any ideas how I could try to track down the problem more than that? | 09:18 |
| orangey | or must this work be done via bug tracking? | 09:19 |
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| orangey_ | bah.. Just got disconnected, so repasting the message: | 09:23 |
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| orangey_ | Alright. I think I have a good idea of the problem. For whatever reason, it is ata_piix that stops my NC4200 from booting. It was noted that it had to be disabled for suspend / resume to work, however that leaves me victim of the ALERT! no /dev/by-uuid-whatever problem, where I can't boot.. now.. any ideas how I could try to track down the problem more than that? or must this work be done via bug tracking? | 09:23 |
| orangey_ | rather, ata_piix stops the NC4200 from Resuming after suspend. | 09:23 |
| crimsun | BenC: pong | 09:46 |
| BenC | crimsun: Hey, just FYI, I'm assigning all sound/audio related bug to the ubuntu-audio group | 09:47 |
| BenC | crimsun: In case you go wondering around for audio bugs filed on linux-source-2.6.20 :) | 09:47 |
| crimsun | BenC: yep, according to the triaging practices | 09:47 |
| BenC | crimsun: Ah, I forgot that I told you this already | 09:48 |
| BenC | I'm burned out from bugs today, brain is failing me right now | 09:48 |
| crimsun | heh, I hear ya | 09:49 |
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| Simira | Lure, BenC: we are two people who have tested the daily(-12) kernel twice, and the fans don't work. :( | 10:11 |
| Lure | Simira: right, I am testing some more patches from upstream - first try did not help :-( | 10:11 |
| BenC | Simira: If you can build kernels, then perhaps start looking into the patches geared that the type of laptop | 10:11 |
| Simira | BenC: not really, but I might be able to get some competent guidance | 10:12 |
| Mithrandir | BenC: I could try git-bisecting on it. | 10:12 |
| Mithrandir | (Simira is my wife) | 10:13 |
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| BenC | Mithrandir: I'm not sure there's a case of it ever working to bisect against, other than edgy...or do you have a known working feisty kernel? | 10:28 |
| Mithrandir | BenC: -9 apparently worked. | 10:29 |
| BenC | Ok, then a bisect would be greatly appreciated | 10:29 |
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| Whoopie | I have problems with running latest kernel in a vmware with the virtual cd-rom. As I can't see any obvious messages in dmesg, I disabled the cd-rom and now it works. Seems to be related to ata driver. Did anybody see the same behaviour? | 11:11 |
| crimsun | there are certain known regressions from -10.17 and -11.18 | 11:12 |
| crimsun | without additional information, it's all hand-waving | 11:12 |
| Whoopie | crimsun: but it worked with -11 | 11:14 |
| Whoopie | crimsun: I know that one need more information. i just thought I give it a try. ;) | 11:15 |
| === ..[topic/#ubuntu-kernel:BenC] : Ubuntu kernel development discussion ONLY | Kernel Wiki: https://wiki.ubuntu.com/KernelTeam | 2.6.20-12.19 Uploaded - If you aren't using it, then you risk your bugs not getting fixed. | BUG STATUS (2.6.20): 343 Open, 1 Unconfirmed, 64 Unassigned | ||
| kylem | Benbot4000 | 11:22 |
| ivoks | crimsun: if you need any help with muting not working, i'm here :) | 11:23 |
| crimsun | ivoks: I'm working through an alsa issue atm | 11:24 |
| ivoks | that's why i say; i'm here to help as much as i can | 11:25 |
| crimsun | I'm a poor multitasker; patience, please. | 11:25 |
| ivoks | :) | 11:26 |
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