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| TJ- | What's the recommended process to bisect on a rebased branch? I'm trying to track down a regression in PCI code between v3.15 and v3.16-rc6 on mainline, using the ubuntu-utopic branch which rebased from 3.15 to 3.16. The problem is the rebase causes a divergence back 578 commits to the common ancestor so bisect can't do anything | 08:15 |
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| apw | TJ-, we tend to acertain if the issue is present / not present in the corresponding mainline kernels at the same base level | 08:27 |
| apw | if it is you can the bisect in th emainline which has no rebases | 08:27 |
| apw | if ti doesn't exist then it is a matter of bisecting between the mainline base and the ubuntu tip | 08:27 |
| TJ- | apw: I already know that, it came in with the PCI change added to v3.16; I was hoping to use the Ubuntu branch to do the bisect on rather than mainline | 08:28 |
| TJ- | apw: the reason being I can use the Ubuntu packaging tools to distribute/install the test versions | 08:29 |
| apw | well as you know procedurally that doesn't work, which is why indeed we make the mainlnie ones using the ubuntu tooling | 08:30 |
| apw | and when bisecting you can do the same, the proceedure is essentially to "git checkout ubuntu/master-next debian debian.master" over the top of your bisect point, update the configs and then build | 08:30 |
| TJ- | apw: Yes... I might try using the mainline repos as the base instead but when I tried that a few hours ago I got lost somehow with no debian/ debian.master after the bisect since those had to be applied from the packaging patches | 08:31 |
| TJ- | Ahhhhh.... I'll play around with that approach | 08:32 |
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| MCSH | Hi, I'm getting Kernel Panic (Fatal Exception In Interrupt) about 30 seconds after I boot 15.04, can anyone help me? | 14:42 |
| rbasak | smb: http://dep.debian.net/deps/dep5/ | 14:54 |
| rbasak | smb: lib/librte_net/rte_ip.h | 14:54 |
| rbasak | smb: https://lintian.debian.org/tags/package-name-doesnt-match-sonames.html | 15:00 |
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| gQuigs | is there any automatic building of Ubuntu's trusty master-next? http://kernel.ubuntu.com/git/ubuntu/ubuntu-trusty.git/?h=master-next | 16:24 |
| apw | gQuigs, it is uploaded into a PPA about every 24 hours if changed | 16:32 |
| gQuigs | apw: oh, cool.. I just haven't been able to find the PPA | 16:33 |
| gQuigs | where is it? | 16:34 |
| apw | ppa:ubuntu-kernel-test/ubuntu/stable perhaps | 16:34 |
| apw | www.lauchpad.net/~ubuntu-kernel-test | 16:34 |
| gQuigs | apw: that's it, thanks! | 16:36 |
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| swair | i'm compiling kernel 3.16 gcc versions are 5 and 4.8, i've set CC=/usr/bin/gcc-4.8 still i get this error: fatal error: linux/compiler-gcc5.h: No such file or directory. any ideas? | 20:52 |
| apw | swair, you'd have to be more specific as to how you are compiling, as that file definatly exists in v3.16 | 21:02 |
| swair | apw: its not in the 3.16 tree. It was added in 3.18. | 21:03 |
| apw | swair, ok it came in via stable v3.16.7 ... so sort of in 3.16 | 21:04 |
| apw | it is therefore in ubuntu 3.16 based kernels | 21:05 |
| swair | ok., though i got the tar from kernel.org/pub/linux/kernel/v3.x/linux-3.16.tar.gz. it wasn't there. | 21:05 |
| apw | swair, but regardless, if we don't know how you are incanting at it, we are not going to be able to hel | 21:06 |
| apw | help | 21:06 |
| swair | apw: i had gcc5 installed. so i installed gcc4.8 as /usr/bin/gcc-4.8. Set CC to as that and just make | 21:07 |
| apw | it might help most if you pastbin a transcript of your how you did that | 21:07 |
| apw | and the errors etc it produces | 21:08 |
| apw | as CC=x is one thing, export CC=x is another, and likely make CC=x is a third | 21:08 |
| swair | i did: export CC=/usr/bin/gcc-4.8 | 21:08 |
| swair | well, right now i fixed the issue by just copying compiler-gcc5.h from the 3.18 tree. | 21:09 |
| swair | and it worked | 21:09 |
| apw | swair, yep, what bit actually failed? as the kernel uses two compilers the host and target compilers, and CC only overrides one | 21:10 |
| swair | should i have set HOSTCC as well? | 21:10 |
| apw | maybe, but i keep saying tell me what error you got, and maybe we can tell | 21:11 |
| swair | sorry, just a sec. | 21:11 |
| apw | or we could ask and answer questions for 40 minutes, oh no i won't be here to do that | 21:11 |
| swair | apw: http://pastebin.com/ifu80YdW | 21:13 |
| apw | yeah thats HOSTCC ... set that too | 21:13 |
| swair | yeah. so why two different compilers? hostcc and cc? | 21:14 |
| apw | it is building host tooling to build bits of the build | 21:14 |
| apw | the hostcc is building things to run on the building machine to make bits of the build | 21:14 |
| apw | the cc is building bits for the machine which run it | 21:14 |
| swair | ahh ok. thanks for the help! | 21:14 |
| apw | when doing a cross-compile they are not the same | 21:14 |
| swair | ok | 21:15 |
| awreece | is there an easy way to see the socket options on one of my processes? | 22:24 |
| awreece | i've looked around a while and can't see anything obvious | 22:24 |
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