| hallyn | smb: just fyi, bug 776936 has me worried bc it seems random, i have no idea of the cause, and we don't much test on i386... | 00:01 |
|---|---|---|
| ubot2 | Launchpad bug 776936 in qemu-kvm "Running KVM guest causes kernel panic on host" [Critical,New] https://launchpad.net/bugs/776936 | 00:02 |
| jjohansen | hallyn: ugh, that is not good | 00:56 |
| hallyn | jjohansen: yup. i'll get a simple setup to reproduce in the morning, but i won't have his host storage or network setup. so we'll see just how easy it is to trigger | 01:19 |
| jjohansen | hallyn: easy to reproduce would be good, I'll see if can't get to poking at it tonight/tomorrow | 01:28 |
| hallyn | jjohansen: cool, thanks much | 01:58 |
| psusi | can someone explain to me why /sys/bus/usb makes no sense? lsusb shows my keyboard is bus 2, device 3, but /sys/bus/usb/devices has nothing starting with a 2 and having a 3 in it... how are you supposed to find that node? | 03:02 |
| mjg59 | psusi: lsusb is giving the kernel representation, while /sys/bus/usb is the bus representation | 03:07 |
| mjg59 | If you unplug and replug you'll typically get a different device number | 03:07 |
| psusi | mjg59, why have two representations? how are you supposed to find the sysfs node for a given device, like the keyboard, so you can enable it to wake the system? | 03:08 |
| mjg59 | If you're looking for the keyboard then start from the keyboard, not from USB | 03:09 |
| psusi | and if you get a different device number, wouldn't it move to a new sysfs node? | 03:10 |
| mjg59 | No, because the toplogy is the same | 03:10 |
| mjg59 | Walk /sys/class/input, find keyboard, go to the USB node from there | 03:11 |
| psusi | I'm confused... device number = bus number and an ordinal assigned as devices are detected, no? | 03:11 |
| mjg59 | Yes, which is completely unimportant when it comes to the bus topology | 03:11 |
| mjg59 | A physical port always has the same number | 03:11 |
| mjg59 | The only time you actually care about that port number is when you're using a USB debug cable, because only one port per controller can drive one | 03:12 |
| mjg59 | Otherwise, the relationship is uninteresting | 03:12 |
| psusi | ohh... wait... so lsusb gives an ordinal assigned in order of detection relative to a bus, but /sys/bus/usb/devices lists them by hub-port? | 03:12 |
| mjg59 | Oh, I guess that's not strictly true. You might care for multihead as well. | 03:12 |
| mjg59 | Yes | 03:12 |
| mjg59 | I've no idea why lsusb behaves the way it does. It's really not useful. | 03:13 |
| psusi | I was just going to say that | 03:13 |
| mjg59 | But thankfully it's generally not something that you have to care about, because you're more interested in the device and not its usb path | 03:13 |
| mjg59 | (And you can get from device -> USB) | 03:14 |
| psusi | there isn't a good way ( i.e. user friendly command or gui utility ) to enable devices to wake is there? I was going to explain to this guy how to go flip on the wakeup setting in the sysfs node then ran into trouble with locating the usb stuff since I don't see anything in class/input other than events for buttons | 03:14 |
| mjg59 | No, there's nothing at present | 03:15 |
| psusi | didn't think so... | 03:15 |
| mjg59 | If you know it's usb then you can go /sys/bus/usb/drivers/usbhid/whatever/lala/power/wake | 03:16 |
| psusi | yea... was just doing that... but got 3 usbhid devices now... remind me to kick lsusb for using a useless nomenclature | 03:17 |
| cshong | I would like to ask questions about bug 662288 ( https://bugs.launchpad.net/ubuntu/+source/linux/+bug/662288 ). What does it mean by "fix committed"? | 05:40 |
| ubot2 | Launchpad bug 662288 in linux "rt3090: freeze on module rt2800pci unload" [Undecided,Fix committed] | 05:40 |
| ubot2 | Launchpad bug 662288 in linux "rt3090: freeze on module rt2800pci unload" [Undecided,Fix committed] https://launchpad.net/bugs/662288 | 05:40 |
| cshong | I would like to ask questions about bug 662288 | 05:41 |
| ubot2 | Launchpad bug 662288 in linux "rt3090: freeze on module rt2800pci unload" [Undecided,Fix committed] https://launchpad.net/bugs/662288 | 05:41 |
| cshong | What does it mean by "fix committed" in a bug? | 05:42 |
| === _LibertyZero is now known as LibertyZero | ||
| === Guest832 is now known as lag | ||
| === lag is now known as Guest57644 | ||
| cking | apw, have all the kernel blueprints been renamed again? | 08:30 |
| jjohansen | cking: I can still accesses them through the wiki | 08:46 |
| jjohansen | cking: https://launchpad.net/ubuntu/+spec/other-kernel-o-misc | 08:46 |
| jjohansen | not sure if that has been renamed or not | 08:46 |
| cking | jjohansen, thanks - they now seem to have an other- prefix | 08:46 |
| jjohansen | ah | 08:47 |
| * cking tweaks his URLs | 08:47 | |
| cking | this happens every time, I sort out a list and then the names change | 08:47 |
| cking | grrr, "Hide talks that aren't for me" *still* does not work | 08:51 |
| jjohansen | cking: has it ever worked? I know every time I have tried it at uds something has gone wrong | 09:09 |
| cking | jjohansen, I'm just hacking a bash script to get the ical data and format it into some plain text that tells me where I should be :-) | 09:11 |
| jjohansen | hehe, nice | 09:11 |
| jjohansen | cking: http://arstechnica.com/business/news/2011/05/intel-re-invents-the-microchip.ars | 09:14 |
| jjohansen | cking: that is a fairly nice explanation of the trigate transitor | 09:14 |
| cking | I was trying to imagine what they were describing from other articles - so thanks - that does have some useful images to show what's going on | 09:15 |
| cking | nice explanation of the physics too | 09:17 |
| smb | morning. Just wondered why it is so peacefully quiet, then remembered I forgot to log in... :-P | 09:28 |
| ntr0py | Can someone tell me if the linux sata driver for JMicron JMB362 PCIe to SATA bridge chip would support SATA TRIM commands for use with SSD's? | 09:29 |
| === fairuz is now known as fairuz-lunch | ||
| === fairuz-lunch is now known as fairuz | ||
| === Guest57644 is now known as lag | ||
| === jjohansen is now known as jj-afk | ||
| ppisati | why thunderbird keeps reformatting my email? grrr... | 14:44 |
| soren | ppisati: There's a config option for that. | 14:45 |
| soren | ppisati: Hang on. | 14:45 |
| soren | ppisati: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/email-clients.txt;h=a0b58e29f91171cf8616fd2aaa93cc856c985dd9;hb=HEAD | 14:46 |
| soren | ppisati: Without those tweaks Thunderbird is dreadful for patches. | 14:47 |
| ppisati | soren: thanks, i'll take a look | 14:49 |
| soren | I have a laptop that I installed afresh with Natty. I'm getting stuff like this: [ 3963.082105] EXT4-fs error (device sda5): htree_dirblock_to_tree:586: inode #14162517: block 56631703: comm update-mime-dat: bad entry in directory: rec_len is smaller than minimal - offset=0(4096), inode=4227858432, rec_len=0, name_len=0 | 15:27 |
| soren | Does this sound familiar at all? | 15:29 |
| smb | does not ring a bell for me at least... | 15:30 |
| soren | It did exhibit from odd behaviour yesterday. apt crashing rather randomly, and reinstalling apt fixed it. That does suggest some sort of either filesystem, harddrive or memory error. | 15:31 |
| soren | Erk.. fsck is *not* happy. | 15:32 |
| smb | Yeah, unfortunately all of it might be possible. John, just had a case of odd behavior that turned out to be his ssd going away | 15:32 |
| soren | This is a branch new laptop. Old-school hdd. | 15:33 |
| soren | s/branch/brand/ | 15:33 |
| soren | I actually saw that I had mistyped "brand" as "branch", deleted it, and wrote it again. | 15:33 |
| smb | heh | 15:33 |
| smb | at least consistent | 15:34 |
| soren | \o/ | 15:34 |
| smb | found something? | 15:35 |
| * ppisati starts packing stuff... | 15:37 | |
| * JFo is so tired of packing | 15:41 | |
| * smb is mostly done with it | 15:42 | |
| JFo | same here, just painful this time. I am bringing a bunch of stuff that I would normally not have to | 15:42 |
| soren | smb: No, just happy about being consistent. | 15:44 |
| smb | That can be stressful. Well, somehow it feels a bit like it went too smoothly. Either I forgot half of it, or I just get more relaxed | 15:44 |
| smb | soren, Ah. :) So I guess I would start with memcheck... (though this had been not so successful with the supermicro boards I tried it recently) | 15:45 |
| soren | smb: Just finished that. No problems at all. | 15:46 |
| smb | hmm ok. | 15:46 |
| soren | smb: To be honest, I didn't let it finish. | 15:46 |
| smb | Well, wasn't the default to never finish? | 15:47 |
| soren | smb: ...but it had run a bunch of its tests across all the memory, and the odd behaviour this box was exhibiting was rather consistent, so I sort of assumed it would fail pretty quickly if that was really the problem. | 15:47 |
| soren | smb: Right, yes, but I didn't let it run its entire test suite. That takes hours. | 15:47 |
| smb | yeah I know. :) | 15:48 |
| soren | smb: I'll restart it and let i finish overnight or something. | 15:48 |
| === yofel_ is now known as yofel | ||
| smb | soren, Yeah, other posiible way would be to use a usb drive for a test installation. That would probably give you a hint whether its somewher rather memory or controller/hdd | 15:50 |
| soren | smb: Good idea. | 15:51 |
| soren | smb: Dreadful timing, though. It's my wife's new laptop and I'm heading to UDS on Sunday. I doubt I'll have it production ready by then. | 15:52 |
| soren | I would *hate* to have to wait for a week before I could get to use my new laptop. | 15:53 |
| smb | soren, Those things know and resist... | 15:53 |
| soren | It's taken me years to convince her to upgrade her laptop and now this. Darn it. | 15:54 |
| soren | Years! | 15:54 |
| * smb hopes it is not a Toshiba... | 15:54 | |
| smb | Its as bad as saying po...bo... ;-P | 15:55 |
| soren | It's a Thinkpad. That's how we roll in this house :) | 15:56 |
| soren | X120e. It's a nice little box. | 15:56 |
| * sforshee goes to finish packing | 16:00 | |
| JFo | ok, I am off to head to a few errands on the way to the airport. see you guys there. | 16:37 |
| smb | Safe trip | 16:38 |
| JFo | same to you smb :-) | 16:38 |
| smb | Ta :) | 16:38 |
| ayan | soren: i just ordered an x120e for my wife. it should be here on the 11th. | 16:54 |
| * smb wraps up. see who is there at uds | 17:11 | |
| === jj-afk is now known as jjohansen | ||
| cking | smb, seeya at UDS | 17:54 |
| * cking considers packing too | 17:55 | |
| Azelphur | Hi, I'm trying to generate info for a bug report on my tablet pc. When I (un)plug the power cable, the kernel panics. I've been following the guide at https://wiki.ubuntu.com/Kernel/Netconsole however when I try to modprobe netconsole, I get "FATAL: Error inserting netconsole (/lib/modules/2.6.38-8-generic/kernel/drivers/net/netconsole.ko): Unknown error 524" | 18:19 |
| Azelphur | Anyone wanna help me with that so I can get a bug report up? :) | 18:20 |
| jjohansen | Azelphur: never seen that before, anyhting more in dmesg? | 18:47 |
| Azelphur | jjohansen: [ 2407.111082] netconsole: eth0 doesn't support polling, aborting. | 18:48 |
| Azelphur | :( | 18:48 |
| jjohansen | Azelphur: :( indeed | 18:49 |
| Azelphur | my wifi is the same | 18:49 |
| Azelphur | so no usb to ethernet, no wifi, that rules netconsole out I guess? | 18:49 |
| simonbcn | hi, I've compiled the git kernel 2.6.38-9.43 for Lucid. | 18:51 |
| simonbcn | Should I upgrade the linux-libc-dev package to ensure conformity with the kernel installed? | 18:51 |
| simonbcn | In case afirmative, how can I do this? | 18:52 |
| jjohansen | simonbcn: shouldn't be needed, the kernel tries very hard to keep the abi stable | 18:52 |
| simonbcn | jjohansen, but this package is directly relationed with the kernel source, no? | 18:55 |
| simonbcn | and it's used to compile other programs, no? | 18:55 |
| simonbcn | Does this cause problems when compiling other programs? | 18:56 |
| simonbcn | (Sorry for my bad english) | 18:56 |
| jjohansen | simonbcn: not exactly, it pulls from some kernel headers but what it uses is stable | 18:56 |
| jjohansen | simonbcn: nope, no problems | 18:56 |
| jjohansen | generally it just doesn't use new features that have been exported by the kernel | 18:57 |
| simonbcn | ok, then it's right if I have the linux-libc-dev from Ubuntu Lucid (2.6.32) but I use the kernel 2.6.38, | 18:57 |
| jjohansen | yep | 18:57 |
| simonbcn | ok, thanks. | 18:57 |
| simonbcn | Other doubt, this is about compilation parameters | 18:57 |
| simonbcn | oh, I forgot to ask: How do you generate the package linux-libc-dev in git kernel? | 18:58 |
| simonbcn | Another doubt: I compile the kernel with: "AUTOBUILD=1 NOEXTRAS=1 no_dumpfile=true skipabi=true skipmodule=true do_doc_package=false full_build=false do_tools=false fakeroot debian/rules binary-indep" | 19:01 |
| simonbcn | but it generates the doc and tools package. What is the utility the "do_doc_package" and "do_tools" then? | 19:01 |
| Azelphur | jjohansen happen to know any other ways of getting the kernel panic copied out? | 19:13 |
| jjohansen | Azelphur: usb serial console | 19:14 |
| jjohansen | maybe crash kernel but I haven't had luck with that | 19:14 |
| Azelphur | hmm | 19:14 |
| soren | ayan: It's a very impressive piece of machinery. | 20:35 |
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