/srv/irclogs.ubuntu.com/2011/02/26/#ubuntu-kernel.txt

=== jjohansen is now known as jj-afk
jj-afkback on later02:16
Ntemishi10:41
Ntemisam facing a usb problem and i cant find a solution10:41
Ntemismy usb that has the server os on it gets disconnected randomly10:42
Ntemisi can post a log if anyone here can share a thought or 210:42
Krunchpastbin10:44
Ntemisokey thanks10:45
Ntemishttp://pastebin.de/1554610:47
NtemisFeb 23 06:44:35 UBUNTUNAS kernel: [  512.191039] NFSD: starting 90-second grace period10:50
NtemisFeb 23 06:44:51 UBUNTUNAS kernel: [  528.790084] usb 4-1: USB disconnect, address 210:50
NtemisFeb 23 15:10:02 UBUNTUNAS kernel: [  131.011075] NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state recovery directory10:51
NtemisFeb 23 15:10:02 UBUNTUNAS kernel: [  131.012212] NFSD: starting 90-second grace period10:51
NtemisFeb 23 15:10:33 UBUNTUNAS kernel: [  162.375496] usb 4-1: input irq status -75  received10:51
NtemisFeb 23 15:10:34 UBUNTUNAS kernel: [  162.540077] usb 4-1: USB disconnect, address 210:51
NtemisFeb 20 16:25:46 UBUNTUNAS kernel: [  946.790077] usb 4-1: USB disconnect, address 210:58
Ntemisany ideas?11:01
Krunchlooking11:02
Ntemisthanks11:02
Ntemisif you need any other log please tell me11:02
Krunchthis is your keyboard being disconnected11:11
Krunchthe -75 error looks like the keyboard sending invalid usb message (EOVERFLOW)11:11
* Krunch double check 2.6.3711:12
Ntemiskeyboard was disconnected by me after i press enter11:15
Krunchok, so what is the actual problem?11:16
Ntemisgrub menu was not auto load the kernel so i had to connect keyboard so os would load11:16
Krunchwell, the logs show the keyboard disconnecting after linux has booted11:16
Ntemisi loose connection with the server randomly11:16
Krunchdo you have console access?11:16
Ntemisnope11:16
Ntemisnothing11:16
Ntemisno console no webgui access11:16
Krunchi mean do you normally have console access?11:17
Ntemisyes of course :)11:17
Krunchi mean like serial, ilo, drac,... (not ssh)11:17
Ntemisserial is disabled in bios11:17
Ntemisonly ssh11:17
Krunchdo you have root on another box on the same LAN?11:18
Ntemisdidnt understand this11:18
Ntemiswhat do you mean11:18
Krunchyour box is crahing or hanging, local logs are probably not reliable, there are ways around that to collect relevant, reliable data but it usually requires either console access or administrative access to a system on the same network11:20
Ntemisi have an openwrt router with 4 gbit lan and the server is connected to one of them11:20
Ntemisi have 3 pcs that can do that11:20
Krunchthat said, there are still some interesting things in these logs (the hung task backtraces)11:21
Krunchi see 13 reboots between the 20th at 07:54 and the 26th at 10:41, can you tell which ones if any were normal scheduled reboots and which ones were result of the problem?11:23
Ntemisis there anything i can do from ssh to collect more info for you?11:23
Ntemisno reboots at all11:23
Ntemisi force shutdown11:23
Krunchok11:24
Ntemiswith hardware button11:24
Ntemishmmm11:24
Krunchi don't think there is much more we can get when the system is running fine11:24
Ntemisok let me clear this out11:24
Ntemisi have installed kernels from the mainline to test the hanging11:24
Ntemisthe only kernel that holded was the 2.6.37.111:25
Ntemis2.6.37 was the most hangfull11:25
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Ntemis2.6.37.2 is so so11:25
Krunchyou never saw the problem with 2.6.37.1 ?11:25
Ntemisnope11:26
Ntemisrock solid but only for 3-4 days11:26
Ntemisafter those i installed 2.6.37.2 and removed 2.6.37.111:26
Ntemisi have a small space and i need the mb11:27
Ntemisos is only on a 4gb usb flash drive11:27
Krunchok, i would suggest to do the following11:28
Krunchsetup kdump11:28
Krunchenable hung_task_panic11:29
Krunchenable nmi watchdog11:29
Krunchnext time the problem happens, it is likely to cause a proper kernel panic and generate a vmcore (wherever you told kdump to put it)11:30
Krunchthe vmcore will contain more informations about the cause of the crash11:30
Krunchright now there is not enough to determine what's going on11:30
Ntemisok thanks11:30
Krunchalthough this is probably related: http://paste.debian.net/108901/11:30
Ntemisbrb11:30
Krunchbut that doesn't really tell us what is hanging11:31
Ntemiswife :)\11:31
Krunch(well, it's likely to be a storage problem but that can still be many things)11:33
Ntemisyou still here?12:03
Krunchyes12:05
Ntemisklutch do you thing if i disable ipv6 will improve anything12:09
NtemisKrunch: do you thing if i disable ipv6 will improve anything12:10
Krunchi don't see how this would change anything12:11
Krunchchanging filesystem might help12:11
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PhoenixSTFHello guys, how do I make m HDD slow its transmition speed?14:18
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PhoenixSTFapw, yout here m8?14:44
Ntemishi14:53
Ntemismy kernel log reports i  must run the e2fsck14:53
Ntemishow i do that?14:53
Ntemisit read the hdd's must me unmounted14:53
Ntemisis there a command to check the hdds after a reboot?14:54
charlie-tcaNtemis: either boot using recovery menu or a live cd15:06
Ntemis         VVVVBFGVG G GGHGGHHHJK;15:13
charlie-tcaNtemis: was that a stroke or a mistake?15:21
hallynthe 2.6.38 kernels seem to make my vaio laptop fan always race, whereas 2.6.37-12 is nice and quiet...15:44
Krunchdo you have the kernel logs at boot for each version?15:45
hallynhm, i think so15:48
hallynanything in particular i'd look for?15:49
hallynacpi msgs look the same15:50
hallynmaybe i just need to tweak /sys/bus/acpi/drivers myself?15:51
Krunchthat's the first thing i would have looked at but someone who actually knows something about acpi might find something by looking at other non obvious difference15:51
hallynthx.  i'll take another closer look later, and file a bug if it persists15:52
jj-afkhallyn: what is the load like18:46
jj-afkyes, I am think acpi drivers too but I was curious if there are apparent load changes as well18:47
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