| TJ- | Would we expect a system hang when iwl4965 (iwlegacy/4965-mac.c) reports 'BUG_ON idx doesn't match seq control'. I couldn't fully track the IL_ERR macro (dev_err) back to its final expansion | 10:00 |
|---|---|---|
| TJ- | This is with 15.10 amd64 low-latency kernel. May have happened a couple of times in the last 24 hours but this is the first time the log has shown anything | 10:02 |
| apw | TJ-, any bug_on can be fatal or not depending on circumstances, but i' dmore commonly expect you to lose wireless | 10:16 |
| apw | TJ-, anyhow you hsould file a bug with the backtrace | 10:17 |
| TJ- | apw: Not possible. System hung. If that is the cause of all the hangs I've seen - this is the only logged clue currently. Always happens when the system has been left idle with no-one using it | 10:18 |
| apw | then that might be power management perhaps ? | 10:18 |
| apw | might be worth seeing if there is a way to turn that off as a test | 10:18 |
| apw | TJ-, and which kernel are you running | 10:18 |
| TJ- | I somehow think it is unrelated, I've been using a build of 4.1 with PCI IOMEM fixes in for a long time on 14.04, and not been hit. I think this is something unique to the Ubuntu 4.1 build. | 10:19 |
| TJ- | apw: amd64 4.1.0-3-lowlatency | 10:19 |
| TJ- | There's no ASPM enabled | 10:20 |
| apw | TJ-, so wily, has the 4.2 migrated yet ? | 10:20 |
| TJ- | I've not see it yet. Not been able to use the mainline 4.2 without manually fixing the workqueue GPL symbol, due to requiring nvidia | 10:26 |
| TJ- | I've been having to carry fixes for PCI IOMEM since 3.15 which *should* finally reach mainline in 4.3, so it gets quite involved trying to chase down these issues :) | 10:27 |
| apw | TJ-, its in -proposed | 10:28 |
| TJ- | OK, I'll enable it and see how it goes. I hate it when there are 0 clues | 10:28 |
| rtg | arges, what ever happened with bug #1370352 in trusty ? | 13:37 |
| ubot5 | bug 1370352 in intel-microcode (Ubuntu Trusty) "[Feature] Intel new CPU microcode 20140913 " [Undecided,In progress] https://launchpad.net/bugs/1370352 | 13:37 |
| arges | rtg: looking | 13:45 |
| arges | rtg: the bug in the last comment should have been bug 1398975 | 13:48 |
| ubot5 | bug 1398975 in glibc (Ubuntu Utopic) "hardware-assisted lock elision hazardous on x86" [Medium,Fix released] https://launchpad.net/bugs/1398975 | 13:48 |
| rtg | arges, yeah, it was circular | 13:49 |
| cmagina | I am porting an upstream driver to arm64 and it requires a kernel config update so i ran the updateconfigs target. It made changes to the common config but the new driver is only needed for a specific arch. should i move these changes to that arch's config or leave it how updateconfigs left it? | 14:24 |
| cmagina | back porting an upstream arm64 driver | 14:24 |
| * cmagina needs stronger coffee | 14:25 | |
| rtg | cmagina, if the config option is unique to arm64 then it will appear in common since it is the only instance | 14:29 |
| cmagina | rtg: ah, ok, so just leave it since updateconfigs did the right thing | 14:30 |
| rtg | yup | 14:30 |
| cmagina | thanks | 14:30 |
| MikeCamel | Hi, folks - anyone having any joy with 4.2? No problems compiling, but it hangs at initramfs boot. Using config files pretty much unchanged from 4.1... | 15:10 |
| apw | MikeCamel, boots ok for me here | 15:13 |
| apw | cat /proc/version_signature | 15:14 |
| apw | Ubuntu 4.2.0-5.5~masternext201508181139-generic 4.2.0-rc7 | 15:14 |
| apw | running a slightly older one than the -7.7 in -proposed, but it boots for sure | 15:14 |
| rtg | apw, tsk, tsk. you should be booting -7.7 | 15:14 |
| apw | rtg, i am supprised to find i am not | 15:15 |
| rtg | apt-add-repository ? | 15:15 |
| MikeCamel | I've just been taking the .xz from kernel.org, and compiling my own. Old style, but it's what I'm used to. | 15:16 |
| MikeCamel | I'm taking debs from ~kernel-ppa: I'll see if those boot. If they do, I'll try the .config from /boot there, and use that as the starting point. | 15:17 |
| apw | rtg, oh how it gets on isn't the issue, lack of care is | 15:19 |
| apw | MikeCamel, sound plan | 15:19 |
| MikeCamel | been compiling kernels since ~'96. Recently got back into it. :-) | 15:20 |
| MikeCamel | These days it's just for fun. In those days, you _had_ to, if you wanted your new h/w to work. | 15:21 |
| MikeCamel | right. biab. reboot time. | 15:22 |
| MikeCamel | well, that booted, at least. no wifi, but it booted. | 15:25 |
| MikeCamel | wonder what the diff was. Time to do some playing... | 15:25 |
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