Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Lars Ellenberg escreveu: > / 2007-02-15 08:50:06 +0100 > \ Martin Bene: > >> Hi Lars, >> >> >>>> I've seen the above bug several times, most recently after hard >>>> resetting a node that was primary for one of the devices. >>>> >>> as this happened in the dispatcher of the connector, I >>> suspect that the kernel configuration you built the drbd module >>> >> against >> >>> does not match your running kernel. >>> >> Ok, recompiling , installing & booting kernel/modules/drbd to be 100% >> sure everything matches. >> >> >>> or maybe there is also the CONNECTOR missing from your kernel, >>> and for some reason our detection magic did not prevent to >>> build the "built-in-backport", with non-matching netlink-ABI. >>> >> Nope, I can definitely exclude that possibility: >> >> # zcat /proc/config.gz |grep CONN >> CONFIG_CONNECTOR=y >> >> Let's see if I can still get the same error or if it's gone away; >> >> Nope, kernel/modules/drbd recompile + install didn't change a thing, >> same error still. Next test: go back to 8.0.0 release (2713) instead of >> currenct svn (2747M)... >> >> Nope, also no change, still crashes. >> >> Circumstances may be somewhat unusual: >> >> * start drbd on both nodes. Status connected, both devices on both nodes >> are secondary. >> * start heartbeat on just one node. >> >> Result: Heartbeat powers off node and switches drbd0 secondary => >> primary right next, resulting in kernel bug. BTW, doesn't happen >> allways. >> This issue happened to me once. I'm using vanilla linux 2.6.20 and drdb current from SVN, heartbeat 2.0.8. > > interessting. > we may have an interessting race condition here :) > > > >> Strange - this error happens pretty consistently when running via >> heartbeat, I haven't been ablt to reproduce outside heartbeat though. >> >> Any further hints what'S going on are greatly apreciated :-) >> > > does going back to kernel 2.6.19.3 or 2.6.16.something help? > > -- Jeronimo Zucco LPIC-1 Linux Professional Institute Certified Núcleo de Processamento de Dados Universidade de Caxias do Sul http://jczucco.blogspot.com