On Sun, 9 May 2010, Yuri Pankov wrote: > On Sat, May 08, 2010 at 09:59:23PM -0500, Brandon Gooch wrote: >> Since at early April, I've been trying to figure out why my laptop >> locks up overnight (something about the CPUs going into C3). I can >> nearly always get it to coredump, but the vmcore files I generate are >> unusable... My cores are not *completely* unuseable -- I can (e.g.) walk the process tree starting at allproc, and things look sane, but kgdb's 'proc' command claims that all PIDs are invalid, and doesn't give me backtraces. >> >> -Brandon > > Just another "me too". May be we have something common in our setup? > (I'm dumping to /dev/gpt/swap 8Gb GPT partition, using ahci(4) on a ATI > IXP700 AHCI SATA controller). > > Another issue - dump is written extremely slow (1.5Gb in ~5 minutes). I am more inclined to believe that this is a kgdb bug than a problem with the dump itself, but I am running on atapci0: AHCI v1.20 (Intel ICH9 family). (Old-ish) dmesg and pciconf may be found in http://stuff.mit.edu/afs/sipb.mit.edu/user/kaduk/freebsd/glossolalia/ -BenReceived on Sun May 09 2010 - 17:29:33 UTC
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