| mattfly | hello | 00:31 |
|---|---|---|
| mattfly | https://bugs.launchpad.net/ubuntu/+source/uswsusp/+bug/1770491 | 00:31 |
| ubottu | Launchpad bug 1770491 in uswsusp (Ubuntu) "Hibernation doesnt work after installing nvidia-384(s2disk hangs)" [Undecided,New] | 00:31 |
| mattfly | installing nvidia drivers = no more hibernation to me (aka s2disk hangs while trying to hibernate) | 00:31 |
| mattfly | does it have something to do with meltdown patches? | 00:31 |
| mattfly | s/does it/can it/ | 00:34 |
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| === JanC_ is now known as JanC | ||
| tarzeau | i'm not sure, if i'm right here: we run ubuntu for linux workstations, and we manage them centrally, users has no installed: network-manager, nor gnome-software store, nor aptdeamon gui update manager | 09:52 |
| tarzeau | yet we want them be able to set background image, i.e have gnome-control-center installed (which has depends on the three things mentioned above) | 09:53 |
| tarzeau | what worked for us is: rebuild gnome-control-center with the depends ripped away. i'm not sure if that'd be useful for others too | 09:53 |
| tarzeau | in numbers: 33 bionic, 142 xenial machines (and another 10 trusty) | 09:54 |
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| jpleau | tarzeau: nice to know it works, I was wondering doing that myself for my own machine (disabling dependencies I will never use like network-manager and friends so I can uninstall them) | 15:36 |
| ScottE | I came across an interesting gcc regression that can result in corrupt pointers when code is compiled with -O2. Reproducable on xenial and bionic (and likely other versions). Simple testcase attached here: https://bugs.launchpad.net/ubuntu/+source/gcc-7/+bug/1770676 | 15:56 |
| ubottu | Launchpad bug 1770676 in gcc-7 (Ubuntu) "gcc optimizer bug" [Undecided,New] | 15:56 |
| rbasak | ScottE: interesting. Though that could be an issue in libc rather than gcc. | 16:01 |
| rbasak | (depending on how it's defined) | 16:03 |
| ScottE | It could be, except that it only occurs when compiling the testcase with -O2 - libc would be the same in either case? Hard to say though, sometimes these sort of issues happen in a different place than where the symptom is. | 16:03 |
| rbasak | libc could be depending on undefined behaviour. | 16:03 |
| rbasak | I'm not familiar enough with the many levels of indirection libc function definitions go through to be able to tell quickly. | 16:04 |
| ScottE | It could be, although on xenial, if I reproduce the original issue I was chasing (with cronolog), it doesn't surface with the cronolog binary in xenial until I recompile cronolog. Still not definitive, though... | 16:04 |
| ScottE | I'll add the cronolog testcase to that bug, too - it's easy to reproduce there too | 16:05 |
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| jbicha | doko: could you merge ilmbase? it's needed by openexr | 18:41 |
| jbicha | doko: maybe a compromise with Debian would be to only use a symbols file for amd64 where it's more easily maintained? | 18:41 |
| doko | jbicha: ilmbase belongs to the desktop team. and no, dropping the symbols file would invalidate the constraints for being in main | 18:59 |
| jbicha | doko: could Foundations please take ilmbase? it's only in main because of imagemagick (via openexr) which is Foundations | 19:03 |
| jbicha | I didn't say drop the symbols file, I said only use it on amd64. Wouldn't that be sufficient to tell if there was an API break? | 19:04 |
| jbicha | I imagine there's several C++ libraries in main that don't use symbols files | 19:04 |
| jbicha | symbols files aren't mentioned as a strict requirement at https://wiki.ubuntu.com/UbuntuMainInclusionRequirements | 19:13 |
| jbicha | so how about I just sync ilmbase now to fix openexr and you can deal with symbols files later if it's important enough to you? | 19:14 |
| doko | jbicha: absolutely no. please properly merge | 20:07 |
| doko | jbicha: "I imagine there's several C++ libraries in main": sorry, I don't think your imaginations are relevant for main inclusion. and I hate your exaggerations and unprecise statements, like "hundreds of runtime failures for missing dependencies". this is a technical channel, not an advocating channel | 20:09 |
| jbicha | it sounds like you're referring to Debian bug 893755 now. I think it was a correct statement at the time since your change broke glib for instance | 20:59 |
| ubottu | Debian bug 893755 in src:python3.6 "python3.6: Dropped python3-distutils dependency makes hundreds of packages FTBFS" [Serious,Open] http://bugs.debian.org/893755 | 20:59 |
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