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2012-08-22 06:37 <viric> hm my pc still hangs from time to time. specially after suspend
2012-08-22 06:37 <viric> Any kernel dev has any idea of what can I do? sysrq doesn't work at all, when it hangs.
2012-08-22 06:37 <viric> I tried both softlockup and hardlockup catching mechanisms
2012-08-22 06:37 <viric> (that's x86, I tried the nmi watchdog)
2012-08-22 06:38 <viric> They work well (NMI counter increasing). I use idle=poll, so all counters get a steady rythm.
2012-08-22 06:39 <viric> If it were a 'panic', I use the crashkernel option. That'd launch another kernel.
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2012-08-22 07:53 <viric> ah no wonder. it's failing. damn kexectools
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2012-08-22 08:18 <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 :-)
2012-08-22 08:18 <viric> hehe
2012-08-22 08:19 <viric> I wrote to the kexectools mailing list.
2012-08-22 08:19 <wolfspraul> I'll move on to perf or valgring, the funny (c) 1992 fsf that comes with gprof is also not entirely convincing :-)
2012-08-22 08:19 <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 :)
2012-08-22 08:20 <viric> wolfspraul: I always went to oprofile/perf/callgrind. I never used gprof much
2012-08-22 08:20 <wolfspraul> yep
2012-08-22 08:21 <viric> And those in the field of embedded linux programming, often neglect applying the same principles to workstation linux debugging
2012-08-22 08:21 <viric> (at least, in my picture of those :)
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2012-08-22 08:35 <wpwrak> i kinda doubt that hang was gprof's fault :)
2012-08-22 08:35 <wolfspraul> oh I squarely blame gprof, just for the heck of it :-)
2012-08-22 08:35 <wolfspraul> now using perf... looks much better
2012-08-22 08:47 <viric> yes, gprof shuouldn't hang anything
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2012-08-22 09:01 <whitequark> viric: dtrace?
2012-08-22 09:01 <whitequark> it has been ported to linux
2012-08-22 09:07 <viric> is it in mainline?
2012-08-22 09:07 <viric> that only allows setting probes like ftrace, no?
2012-08-22 09:07 <viric> or systemtap in general
2012-08-22 09:07 <viric> I'll see how far I go with netconsole, meanwhile kexectools fail.
2012-08-22 09:08 <viric> s/meanwhile/while/
2012-08-22 09:08 <qi-bot> viric meant: "I'll see how far I go with netconsole, while kexectools fail."
2012-08-22 09:08 <viric> because of course I even don't know if the kernel is aware of the crash.
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2012-08-22 10:25 <LunaVorax> hi!
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2012-08-22 14:02 <kristianpaul> wpwrak, hi !
2012-08-22 14:02 <kristianpaul> I want introduce a friend to boom
2012-08-22 14:03 <kristianpaul> besides your fisl presentation there is a project website or such?
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2012-08-22 14:34 <wpwrak> no, not yet. boom still is work-in-progress.
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2012-08-22 14:35 <wpwrak> of course, the best source for information is the source ;-) there are also some examples in the regression tests
2012-08-22 14:36 <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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2012-08-22 15:26 <roh> 
2012-08-22 15:27 <DocScrutinizer05> wpwrak: you might be interested in http://www.ti.com/lit/an/sprabb3/sprabb3.pdf
2012-08-22 15:28 <DocScrutinizer05> (about PCB design)
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2012-08-22 16:53 <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
2012-08-22 16:53 <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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2012-08-22 19:34 <qi-bot> [commit] Werner Almesberger: modules/: add E-SWITCH series 320 tact switch (master) http://qi-hw.com/p/kicad-libs/92b9391
2012-08-22 19:35 <wpwrak> DocScrutinizer05: (VIP) hmm ... possible. but i forgot the context :)
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2012-08-22 21:56 <DocScrutinizer05> context: PCB layout
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2012-08-22 22:04 <wpwrak> yeah, that much is clear ;-)
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2012-08-22 22:47 <DocScrutinizer05> thought as much
2012-08-22 22:48 <DocScrutinizer05> however infobot down is an issue right now to me
2012-08-22 22:49 <DocScrutinizer05> IRC allone should make my living
2012-08-22 23:06 <wpwrak> living off IRC ;-)
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