On 10/19/2013 11:01 PM, Mark Knecht wrote: > Hello all, > I'm having a bit of an issue here with a machine that's completely > hanging and unresponsive. No magic sys request keys, keyboard and > mouse are dead, cannot shell in or even ping from another machine on > the network. For all intents and purposes it's a dead as one of > Dexter's targets. I believe the problem is virtualbox-4.3 related. I > didn't see it with vb-4.2.18 or any earlier version. However there > were 3.10.16 & 17 updates, along with whatever else Gentoo has > provided in the last week or two so there's a chance it could be > anything, including hardware. > > Anyway, I've dropped back to gentoo-sources-3.10.15 which never > exhibited a problem, along with vb-4.2.18. I'm running memtest86 and > looking for anything it might spot. My RAID6 appears to have no > problems through any of these hangs, or at least a scrub of the RAID > doesn't show it. > > There's nothing in /var/log/messages or Xorg.0.log that I see. > > My question, after this long setup, is what can I do, if anything, > to capture and other info about what's really causing the problem? > > I'm currently just doing obvious regression stuff. Installing old > versions, running for awhile, etc., trying to figure out if it's a > single package. Not real effective but maybe it's all I can do with > this sort of problem? > > Thanks in advance, > Mark > http://forums.gentoo.org/viewtopic-p-3682124.html
check out netconsole -- it's fiddly to setup but essentially in the dying breath it send dmesg entries over the network (LAN only) it is really "last breath of death" - you need to add ip and mac address and have netcat listening on the other end.
