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| 06:37.06 | viric | hm my pc still hangs from time to time. specially after suspend |
| 06:37.18 | viric | Any kernel dev has any idea of what can I do? sysrq doesn't work at all, when it hangs. |
| 06:37.33 | viric | I tried both softlockup and hardlockup catching mechanisms |
| 06:37.46 | viric | (that's x86, I tried the nmi watchdog) |
| 06:38.17 | viric | They work well (NMI counter increasing). I use idle=poll, so all counters get a steady rythm. |
| 06:39.17 | viric | If it were a 'panic', I use the crashkernel option. That'd launch another kernel. |
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| 07:53.58 | viric | ah no wonder. it's failing. damn kexectools |
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| 08:18.37 | wolfspraul | viric: we are all in some weird trouble. I just ran gprof which promply hung my entire machine after several weeks of uptime... nice :-) |
| 08:18.54 | viric | hehe |
| 08:19.00 | viric | I wrote to the kexectools mailing list. |
| 08:19.07 | wolfspraul | I'll move on to perf or valgring, the funny (c) 1992 fsf that comes with gprof is also not entirely convincing :-) |
| 08:19.32 | viric | I know that kernel developers *know* how to get useful information of crashing situations... but that's not 'common knowledge' about gnu/linux users :) |
| 08:20.03 | viric | wolfspraul: I always went to oprofile/perf/callgrind. I never used gprof much |
| 08:20.17 | wolfspraul | yep |
| 08:21.09 | viric | And those in the field of embedded linux programming, often neglect applying the same principles to workstation linux debugging |
| 08:21.25 | viric | (at least, in my picture of those :) |
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| 08:35.21 | wpwrak | i kinda doubt that hang was gprof's fault :) |
| 08:35.44 | wolfspraul | oh I squarely blame gprof, just for the heck of it :-) |
| 08:35.53 | wolfspraul | now using perf... looks much better |
| 08:47.16 | viric | yes, gprof shuouldn't hang anything |
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| 09:01.37 | whitequark | viric: dtrace? |
| 09:01.43 | whitequark | it has been ported to linux |
| 09:07.12 | viric | is it in mainline? |
| 09:07.21 | viric | that only allows setting probes like ftrace, no? |
| 09:07.27 | viric | or systemtap in general |
| 09:07.37 | viric | I'll see how far I go with netconsole, meanwhile kexectools fail. |
| 09:08.00 | viric | s/meanwhile/while/ |
| 09:08.01 | qi-bot | viric meant: "I'll see how far I go with netconsole, while kexectools fail." |
| 09:08.19 | viric | because of course I even don't know if the kernel is aware of the crash. |
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| 10:25.15 | LunaVorax | hi! |
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| 14:02.27 | kristianpaul | wpwrak, hi ! |
| 14:02.39 | kristianpaul | I want introduce a friend to boom |
| 14:03.06 | kristianpaul | besides your fisl presentation there is a project website or such? |
| 14:34.29 | wpwrak | no, not yet. boom still is work-in-progress. |
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| 14:35.57 | wpwrak | of course, the best source for information is the source ;-) there are also some examples in the regression tests |
| 14:36.24 | wpwrak | but as i said, it's not finished yet. i.e., it can't generate a "shopping list" for now |
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| 15:26.17 | roh | <PROTECTED> |
| 15:27.46 | DocScrutinizer05 | wpwrak: you might be interested in http://www.ti.com/lit/an/sprabb3/sprabb3.pdf |
| 15:28.13 | DocScrutinizer05 | (about PCB design) |
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| 16:53.30 | qi-bot | [commit] Werner Almesberger: poly2d/: try to work around spurious aborts in CGAL::create_interior_skeleton_and_offset_polygons_with_holes_2 (master) http://qi-hw.com/p/cae-tools/53fe709 |
| 16:53.31 | qi-bot | [commit] Werner Almesberger: cameo/fped2d2z.pl: new option -t Zmax to set the height of the workpiece (master) http://qi-hw.com/p/cae-tools/c73509d |
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