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| cjwatson_ | brendan__: that's what evand's working on for gutsy. It's not possible in feisty. | 12:12 |
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| cjwatson_ | (sorry if Evan already answered you and I missed due to local network trouble) | 12:13 |
| cjwatson | brendan__: (well, obviously anything's possible by editing the source, but it would take a fair bit of work.) | 12:13 |
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| CIA-19 | ubiquity: cjwatson * r2162 ubiquity/debian/changelog: should be UNRELEASED | 01:24 |
| CIA-19 | ubiquity: cjwatson * r2163 ubiquity/ (debian/changelog ubiquity/components/partman.py): * Fix crash related to partitions without a method set (LP: #110269). | 01:31 |
| CIA-19 | ubiquity: cjwatson * r2164 ubiquity/ (debian/changelog ubiquity/components/partman.py): revert r2163, wrong approach | 01:34 |
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| cjwatson | evand: ahh! look at https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/123364/comments/5 | 04:27 |
| cjwatson | evand: evidently something was closing ubiquity's stderr | 04:27 |
| === evand 's eyes widen | ||
| evand | gksudo? | 04:29 |
| cjwatson | the only changes in gksu from feisty to gutsy were translations | 04:30 |
| evand | ah, then no | 04:30 |
| === cjwatson checks libgksu | ||
| cjwatson | + - now uses a less dumb way of relaying child's stdout/stderr, | 04:31 |
| cjwatson | + thus not requiring so many wakeups (Closes: #425679) | 04:31 |
| === cjwatson wonders ... | ||
| === evand resumes the failing VM | ||
| cjwatson | I'm wondering if it's something like gksu crashing or otherwise closing stderr if the child doesn't emit anything to stderr within a certain amount of time | 04:36 |
| cjwatson | that might explain why it takes a while to crash | 04:36 |
| cjwatson | evand: if you can reproduce it, my recommendation is to find the gksudo process after launching ubiquity, and run 'strace -f -o gksudo.trace -s 1024 -p <pid>' on it | 04:45 |
| cjwatson | evand: and then stick gksudo.trace somewhere | 04:45 |
| evand | cjwatson: will do | 04:46 |
| cjwatson | evand: also dpkg -l libgksu2-0 in the failing VM | 04:47 |
| cjwatson | 2.0.5-1ubuntu2 seems to have been an attempt to fix this, maybe | 04:47 |
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| evand | 2.0.5-1ubuntu2 is installed and it still occurs. | 04:52 |
| cjwatson | try reverting to 2.0.5-1ubuntu1? | 04:52 |
| evand | will do | 04:52 |
| cjwatson | http://launchpadlibrarian.net/8081627/libgksu2-0_2.0.5-1ubuntu1_i386.deb | 04:53 |
| Elwell | hey folks, is it possible to somehow call "sudo nvidia-glx-config enable" at install time (pxe/preseed)? | 04:53 |
| Elwell | d-i preseed/late_command string ? | 04:53 |
| cjwatson | d-i preseed/late_command string chroot /target nvidia-glx-config enable | 04:55 |
| cjwatson | assuming it doesn't need X to be running | 04:55 |
| cjwatson | you don't need sudo, you're root at that point | 04:55 |
| Elwell | nah - it's console cmd ta | 04:55 |
| === Elwell wonders if he can be bothered to reboot / reinstall to test seeing as the LVM takes 3 mins/par | ||
| Elwell | to timeout :-( | 04:56 |
| cjwatson | evand: first reported on the 27th some days after 2.0.5-1ubuntu2 was uploaded, so it's possible | 04:56 |
| evand | wow, it does not like that version one bit | 05:06 |
| cjwatson | ? | 05:06 |
| evand | oh whoops, it seems like I need to revert some dependencies as well | 05:07 |
| cjwatson | I'm trying to figure out what mvo's patch was designed to achieve. I think I've found one bug in it that might be relevant but I always need more coffee to deal with code involving waitpid. | 05:07 |
| evand | heh | 05:08 |
| superm1 | evand, i wanted to give you a friendly reminder re merge my branch from a few days ago | 05:20 |
| evand | oh wow, sorry about that | 05:20 |
| evand | that completely slipped my mind | 05:20 |
| evand | I'll take care of that as soon as I'm done battling gksu | 05:20 |
| === superm1 throws an extra sword in the ring on evand's side to give evand the advantage :) | ||
| evand | heh | 05:22 |
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| evand | So reverting to that version of libgksu causes gksudo to die in the background which in turn causes ubiquity to bail out after the first page. If I run it with strace it complains about needing to be suid root, but /usr/bin/sudo is already suid root. | 06:17 |
| evand | fwiw, http://evalicious.com/ubiquity.trace | 06:17 |
| evand | I should've read the changelog | 07:35 |
| evand | woo! | 07:54 |
| evand | so it's an issue between libgksu2 2.0.3-3ubuntu5 and libgksu2 2.0.5-1ubuntu2 | 07:55 |
| evand | but it's definitely in libgksu2 (at least for the bug I'm seeing) | 07:56 |
| evand | I'll continue to poke around and see if I can come up with a patch | 07:56 |
| superm1 | evand, what is the issue with gksudo? | 07:58 |
| evand | superm1: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/122645 | 07:59 |
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| cjwatson_ | evand: yeah, stracing a set-id program causes it to become non-set-id | 09:48 |
| cjwatson_ | evand: you need to trace as root, but then that might cause gksudo to behave differently, so it gets tricky | 09:48 |
| cjwatson | you can work around that by temporarily creating a setuid-root copy of strace | 09:49 |
| evand | ahhhh | 09:49 |
| cjwatson | the kernel functionality used to implement strace ("ptrace") is able to modify the program as well as inspecting it, so the ability to ptrace set-id programs as non-root would be an obvious security hole | 09:53 |
| evand | ah | 09:53 |
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