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[16:32] <penguin42> anyone understand lib[open]blas/atlas?   I've got a couple of bugs that are referring to crashes on newer AMD chips, it looks like they removed 3DNow instructions on some of them
[17:11] <hggdh> penguin42: I am trying to find out what to do with steam bugs
[17:13] <penguin42> thanks
[17:14] <penguin42> I expected some cracks from chemists; steam and tar....
[18:40] <ecolitan> hello, I'm trying to learn to triage, does someone have time to help with a specific bug i'm looking at first?
[18:40] <penguin42> sure - which bug
[18:40] <ecolitan> 414422
[18:40] <ecolitan> because it looked easy :)
[18:41] <penguin42> now if you say   bug 414422
[18:41] <ubot2> Launchpad bug 414422 in sudo (Ubuntu) "sudo: unable to execute /bin/mv: Argument list too long" [Undecided,New] https://launchpad.net/bugs/414422
[18:41] <penguin42> the bot does good things!
[18:41] <ecolitan> bug 414422
[18:41] <ecolitan> bot doesnt answer for me
[18:42] <penguin42> huh, bad bot
[18:42] <ecolitan> so according to the flowchart, first thing is to decide if it's really a bug
[18:42] <penguin42> yeh, and I'm not sure it is
[18:42] <ecolitan> me neither
[18:42] <ecolitan> i cant reproduce in bash or sh
[18:43] <ecolitan> and suspect the cause was something with shell escapes
[18:43] <penguin42> well it is also 4 years old; I think there used to be fixed limits on argument length - I thought Linux was always quite generous/dynamic on them though
[18:43] <penguin42> ecolitan: Just because you can't repeat it doesn't mean that it doesn't happen for the originator
[18:44] <ecolitan> ok
[18:45] <ecolitan> so with a 4 year old bug thats probably very environment specific, is it worth asking follow up questions?
[18:45] <penguin42> ecolitan: Ah, try this   sudo -s /bin/echo `seq -f "/a long tomb of data goes here %g" 1 10000`
[18:46] <ecolitan> ahhhh
[18:46] <penguin42> doesn't happen without the sudo
[18:47] <penguin42> which I'll admit to being surprised by
[18:49] <penguin42> but is it a bug or just a limit, most Unix's have much stricter limits on arg limits
[18:49] <ecolitan> 3572 was the limit of args
[18:50] <ecolitan> hmmm
[18:50] <penguin42> 3573 here :-)
[18:50] <ecolitan> if I make the string smaller, i can have more args
[18:51] <penguin42> yeh I think it's a total length thing
[18:51] <penguin42> I can get it to fail without the sudo if I turn the length up to be fair
[18:51] <penguin42> ecolitan: I'd say not-a-bug
[18:51] <ecolitan> even if the behaviour is not in sudo documentation?
[18:51] <penguin42> this fails without the sudo - so the arg list does have limits /bin/echo `seq -f "/a long tomb of data goes here %g" 1 90000`
[18:52] <penguin42> it's just normal shell/process arg limits I think
[18:53] <ecolitan> ok so according to the chart, neither a bug nor a support question, mark as invalid
[18:54] <penguin42> I think so; you could point to use of xargs or find to do the job without running into the length limit
[18:57] <ecolitan> so no importance is set for invalidated bugs
[18:57] <penguin42> correct
[19:00] <penguin42> bbl - food calls
[19:00] <ecolitan> thank you
[19:00] <ecolitan> hopefully will participate thursday
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[20:15] <hggdh_> penguin42: Steam bugs should be reported on Steam's BTS -- see https://wiki.ubuntu.com/Valve#Problems.3F
[20:17] <penguin42> hmm - I don't actually run steam myself and don't know much about it, other than those two bugs - I could create an account and report it on there but wouldn't be able to answer much in the way of questions
[20:18] <penguin42> hggdh_: So I'm thinking I delete the core files from those two bugs and then mark them public, dupe them and then report to valve?
[20:21] <penguin42> ah looks like it was fixed a few days ago
[20:25] <penguin42> right, done
[20:26] <penguin42> hggdh_: Thanks
[20:28] <hggdh_> penguin42: yea, I would say remove the coredump, open it up, and close invalid with a reference to Valve's BTS
[20:28] <penguin42> already done :-)
[20:29] <hggdh_> penguin42: I also had this response: the crashes were from their bundled libraries not ubuntu ones so launchpad doesn't make sense, for that bug you want to launch steam with STEAM_RUNTIME=0 steam then go to file->update and it should be working after the update
[20:30] <hggdh_> (the first part we already knew, the second is interesting (given that I never ran steam before)
[20:30] <penguin42> yeh makes sense; an interesting question I guess is whether something like tar should run with other libc as long as it was a sanely built one
[20:32] <hggdh_> penguin42: frankly, common (like "core") utilities should use the system. Otherwise we end up with another distro over the distro
[20:32] <penguin42> hggdh_: Yeh, I think it should be possible for something in the bug system to flag when another libc is in procmaps
[20:34] <hggdh_> we would have to hack apport for that. I wonder if it is worth the trouble
[20:35] <penguin42> yeh it's probably rare
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