/srv/irclogs.ubuntu.com/2014/04/08/#ubuntu-kernel.txt

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ppisaticreepy: http://heartbleed.com/07:12
eolienHi everyone, i come from ubuntu-fr with a pb that we didnt resolve yet07:53
eolienon my dell 7010, with xubuntu 12.04.3 64 bits, reboot blocks07:54
eolieni have 30 computers, same problem07:54
eolieni had the same problem before, with 32 bits image, but i found a solution07:54
eolieni had to add "acpi=force reboot=bios" options in /etc/default/grub07:54
eolienbut it doesn't work on 64bits image07:55
eolieni tried every "reboot" parameter without success07:55
eolien(see http://linux.koolsolutions.com/2009/08/04/howto-fix-linux-hangfreeze-during-reboots-and-restarts/)07:55
eolienhas anyone have an idea ?07:55
apweolien, not anything i have heard of, is there a bug filed for this specifici issue on 64bit07:56
eoliendidn't find it07:57
eolieni'm searching for07:57
apwthen i would suggest filing one againt the apckage "linux"07:58
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eoliensorry, dont know how to do it07:58
eoliencan you help me ?07:58
eolieni need to do it on launchpad ?07:59
apwrun "ubuntu-bug linux" in a terminal window07:59
eoliendone08:07
eolienthx08:07
apweolien, might be worth letting us know the number here, as we get a heck of a lot of bugs08:30
eolien130424608:35
apwbug #130424608:35
ubot2Launchpad bug 1304246 in linux (Ubuntu) "Reboot hangs with Dell computers on 64 bits" [Undecided,Confirmed] https://launchpad.net/bugs/130424608:35
apweolien, i am confused, the data in this bug implies this is running on KVM or similar ?08:44
apwbios.vendor: Bochs08:44
apwppisati, seen lp #1303657 ?08:50
ubot2Launchpad bug 1303657 in linux (Ubuntu) "Cannot boot trusty kernel on qemu-system-arm" [High,Confirmed] https://launchpad.net/bugs/130365708:50
ppisatiapw: watches08:52
ppisatiu-boot08:53
ppisatiuhm08:53
apwppisati, if you are able to boot an image with qemu we are good regardless i am sure08:57
apwppisati, if that is osmething we are able to do normally :)08:57
ppisatiapw: yes we normally do08:57
ppisatiapw: testing now08:57
apwppisati, thanks indeed09:11
infinityppisati: If I had to guess, I'd assume it's because of the mandatory fdt requirement in 3.13, and he's neither appending an fdt to his kernel, nor loading a (correct) one from u-boot.09:18
ppisatiinfinity: we were appending fdt since 3.11 iirc09:19
infinityppisati: It wasn't required in 3.1109:19
ppisatiinfinity: and if he used flash-kernel (as it seems since it's using a flash-partition), thr fdt should be there09:20
infinityppisati: Anyhow, when he's booting raw, I guarantee he's not appending one (he certainly doesn't mention it), and I suspect there isn't one in play when he's booting with u-boot.09:20
ppisatiwait09:21
infinityppisati: Does flash-kernel actually deal with qemu machines properly?09:21
ppisatihe is using it09:21
ppisatifatload mmc 0:1 0x62008000 board.dtb09:21
infinityppisati: That doesn't mean it's the *right* one.09:21
ppisatiinfinity: neither it says it's the correct kernel, one has to trust the bug reporter and hope that he updated kernel/initrd/dtb in accordance09:21
infinityppisati: Well, I see exactly zero entries in flash-kernel that match his cpuingo.09:22
infinitycpuinfo, even.09:22
infinitySo, how would the right dtb ever get there? :P09:22
ppisatiinfinity: forget about the attached dtb, he is explicitly passing one09:23
infinityppisati: Yes.  And?09:23
infinityppisati: Where is that coming from?09:23
ppisatiinfinity: i don't know i'm not the bug reporter09:23
infinity:P09:24
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rtgapw, have you noticed bug #1301496 ?12:29
ubot2Launchpad bug 1301496 in linux (Ubuntu) "kernel crash: Unable to handle kernel paging request for data" [High,Confirmed] https://launchpad.net/bugs/130149612:29
apwrtg, looking12:36
apwrtg, yeah i have seen this one ... i think the logical change is to do the same test on 4K kernel, as it seems pretty reproducible12:39
rtgapw, guest or host  or both ?12:40
apwfor me, guest, the host we do not supply the kernels there12:41
apwrtg, i've added a note, and i'll go and look at dpkg as well12:41
apwslangasek, this dpkg thing, is dpkg the only thing affected or are other things unhappy ?12:57
tseliotapw, cking: are you familiar with "dpm_run_callback(): pnp_bus_resume+0x0/0xa0 returns -19". I think it's what's preventing the system from resuming correctly in LP: #130056812:58
apwtseliot, not familiar no12:59
apwbug #130056812:59
apwou13:00
ckingme neither, wonder why it is returning No such device13:00
rtgdead bot13:00
apwoi ubotu where are you13:00
apwand could someone fix the "diable touchpad while typing" so oh i don't know, it disables the touchpad when typing13:00
rtgapw, just quit dragging those huge thumbs around13:01
apwyou've seen my thumbs, i'd need like helium balloons attached to each13:01
tseliothttps://bugs.launchpad.net/kittyhawk/+bug/130056813:01
ubot2tseliot: Error: launchpad bug 1300568 not found13:01
tseliotapw, cking ^13:02
tseliotBTW the disable touchpad when typing sounds like a problem with palm detection in the driver13:03
ckingisn't that PNP device a keyboard?13:04
apwcking, it is the id for the i8042, i wonder if it even has one13:05
ckingmaybe it popped offline, EC error etc13:05
apwor maybe it just has none at all, i didn't think most new kit did13:06
ckingi8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] at 0x60,0x64 irq 1,1213:07
ckingin the kern log at boot13:07
apwoh just the keyboard at that13:07
ckingi wonder if i8042.nopnp may show different behaviour13:09
tseliotI can ask the engineer to try that13:12
apwcking, yeah ...13:12
ckingmaybe the bios folk in HWE will have some ideas too13:12
ckingwrt EC foobars13:12
apwyeah13:14
apwcking, seems there is a quirk table for that option if it is that13:15
ckingyup, but if this is a EC bug in new kit I guess we can get it fixed in the firmware before worrying about that13:16
apwyep that13:16
tseliotin the firmware?13:18
ckingin the EC firmware 13:22
tseliotok13:27
bjfrtg, did you get anywhere bisecting your kernel for the nvidia issue?13:27
rtgbjf, I power cycled the jumbotron and then it started working13:27
bjfhuh13:27
rtgsame kernel, now no problems13:28
bjfthat's special13:28
rtgwith I'd have thought of that 3 1/2 hours earlier13:28
apwit has a life of its own13:29
bjfrtg, makes no sense to me but .. i was unable to get anything but low-res and only 1 monitor recognized. i shutdown the system and power-cycled the monitors and now the system recogizes them both and i'm back to hi-res13:35
rtgbjf, I guess these monitors have buggy firmware too13:36
bjfrtg, i've never had this problem until this new HEDT13:37
apwbjf, do you have the same monitors as tim ?13:39
bjfapw, no13:39
bjfapw, mine is a 27" dell13:39
apwi don't think i want to work out how that can be that you both are affected by the same issue on the same day with different h/w13:39
rtgbjf, nor have I, which is why it took me so long to try a simple power cycle.13:39
bjfapw, but we both are using an intel HEDT with the same nvidia card (i believe)13:40
apwyeah, but the issue was that the machine somehow made the monitors cry, but only once, it makes my head hurt13:42
rtgbjf, this wasn't happening on an HEDT. Its a generic Gigabyte MB with a GeForce GTX650 display adapter.13:50
apwwierd13:50
bjfrtg, ok, that's even more odd13:50
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jsalisbury**15:09
jsalisbury** Ubuntu Kernel Team Meeting - Today @ 17:00 UTC - #ubuntu-meeting15:09
jsalisbury**15:09
slangasekapw: I imagine other things are unhappy, but it's really easy to notice with dpkg because one bit flip per page causes a segfault on startup15:14
apwslangasek, ok, yeah i vaguely wondered if the zero page could have stopped being all zero, and if we could detect that elsewhere15:16
apwslangasek, as the dpkg init there is pretty simple and it finds the "static variable" non-zero15:17
apwslangasek, i guess i would like to see one of these in the flesh when it is unhappy15:20
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=== jsalisbury changed the topic of #ubuntu-kernel to: Home: https://wiki.ubuntu.com/Kernel/ || Ubuntu Kernel Team Meeting - Tues April 15th, 2014 - 17:00 UTC || If you have a question just ask, and do wait around for an answer!
=== tinoco is now known as tinoco-away

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