/srv/irclogs.ubuntu.com/2013/11/05/#ubuntu-kernel.txt

marruslbjf, np.  thank you!00:00
elpisI want to ask question how to grep in order to get only the essid and signal level when i issue the iwlist command. 03:24
elpisI want to ask question how to grep in order to get only the essid and signal level when i issue the iwlist command. 03:27
elpishello there can someone help me how to use grep in this problem given . http://pastebin.com/c01UX1B8 05:18
Eimanniwlist wlan0 scan|egrep 'ESSID|Signal'|sed -e 's/.*"\(.*\)"[^"]*$/\1/' -e 's/.*=\(.*\)*$/\1/' -e 's/ dBm//'05:37
FreezingColdHow does Debian and Ubuntu's kernel differ?05:39
elpisEimann: thank you so much you are really great you save my day. BTW do you have any good tutorials on how you do it ?06:16
EimannI used http://regex101.com/06:17
elpisEimann: thank you so much06:19
ppisatimoin08:11
ckingyawn08:55
* apw yawns hard09:11
apwsmb is in network hell ... 09:11
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qenghoHi all.  I have a thinkpad with a hard crash that leaves no log file and blinking caps-lock and I want to file a bug report in LP. I can reproduce easily. Is there a good way to capture the crash log? I think my photo of the console is terrible.17:12
antarusdoes sysrq work?17:12
qenghoHrm. Thinkpad funniness. I think I tried right-alt, SysRq, S-U-B and Fn + right-alt, SysRq, S-U-B and had to push the power button.  I can try it again.17:14
qenghoantarus: If it does, what should I do?17:14
qengho(I have only this target machine here, so IRC debugging is iffy.)17:15
qenghoIRC client on my phone. Rock. Okay, I can do that.17:17
qenghoantarus: Okay, now what?17:17
qenghodang. hang and reboot that time.17:19
psusiisn't it time for the kernel meeting?17:19
ckingpsusi, it was cancelled 17:28
apwpsusi, we don't typically do them between release and UDS17:29
apwpsusi, if you have something you want to bring up you are more likley to get a response here though as you would there17:29
apwqengho, if sysrq doesn't get you anything better, then filing a bug with the photo however bad it is is the right thing17:30
apwwith little to go on we would then recommend you start looking for an older kernel which was ok17:30
apwas i assume this is a new issue to you17:31
psusihrm... ok, I've just been wanting to float the idea of CONFIG_EXT[23]=n17:38
apw=n ok17:38
psusiwith them disabled, the ext4 driver will take over and do a better job than the old code, and give a smaller kernel ;)17:38
apwso ... the right thing to do is probabally to add that to the vuds kernel session17:39
psusiok17:39
apwas that is quite a big scarey sounding challenge, and we will want to get someone to do some real testing to confirm it works ok17:39
apwpsusi, you would be free to come to the session and discuss or just put it on the adgenda, as i am happy to bring it up17:40
psusiwill do17:40
apwhttps://blueprints.launchpad.net/ubuntu/+spec/core-1311-kernel17:40
psusias an added benefit, the ext4 driver allows online resize on ext2 filesystems, which the ext2 driver can't handle17:40
apwthat is the one it needs to be associated with17:40
apwpsusi, heh ... don't frighten me17:40
psusihehe17:41
psusiI've been trying to get gparted to handle online resize and in testing noticed that I had built my kernel with the ext2/3 drivers disabled so it worked, but on a stock kernel ext2 can't do the resize online17:41
apwpsusi, include that nugget17:42
psusiso I shuold report a bug and link it to that bp?17:43
apwhmmmm, i guess that might make sense if you can be bothered17:44
bjfarges, are you able to verify bug 1208740?18:00
ubot2Launchpad bug 1208740 in linux (Ubuntu Raring) "Large pastes into readline enabled programs causes breakage from kernels v2.6.31 onwards" [Medium,Fix committed] https://launchpad.net/bugs/120874018:00
antarusbjf: that is my teams bug18:04
bjfantarus, cool, can you verify ?18:04
antarusbjf: I can have marga verify18:04
antaruswon't be until tomorrow pobably18:04
bjfantarus, ok, it has been waiting for verification for over a week18:05
antarusI sent her a note18:08
bjfantarus, thanks much18:08
antarusno worries, we are trying to be better about this sort of thing ;)18:14
antarusmostly we just need a launchpad bot that syncs launchpad with our internal bugtracker18:14
antarusbecause we mostly ignore launchpad ;p18:14
bjfantarus, i can relate to that18:14
argesbjf: looking18:20
argesbjf: i'll do this today18:20
bjfarges, thanks18:21
xnoxapw: i think debian starting building with  CONFIG_EXT[23]=n, i'll check.18:22
apwxnox, thanks18:22
nhmI've got 13.04 and am trying to use the dwarf support in perf (ie "-g dwarf").  It appears that this isn't enabled in the 3.11.0-12-generic version of perf I have.  Was NO_LIBUNWIND set when that version of perf was built?18:44
nhmor maybe the build machine didn't have libunwind?18:45
apwlikely the latter18:48
apwnhm, could you file a bug and put some details in it, and ping me the number, file it against linux18:48
nhmapw: sure, will do18:52
nhmapw: I'm afraid I' don't file launchpad bugs very often, so hopefully I did this right: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/124828919:13
ubot2Launchpad bug 1248289 in linux (Ubuntu) "Missing libunwind support in perf" [Undecided,New]19:13
bjfnhm, looks good19:14
qenghoapw: not necessarily new bug. It's new hardware.19:22
qenghoreferring to mine of 2 hours ago.  Just submitting now. 19:23
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