On Thu, Mar 16, 2017 at 03:24:41PM -0400, Gabriel L. Somlo wrote: > On Thu, Mar 16, 2017 at 08:29:32PM +0200, Michael S. Tsirkin wrote: > > Let's take a step back and try to figure out how is > > mwait called. How about dumping code of VCPUs > > around mwait? gdb disa command will do this. > > Started guest with '-s', tried to attach from gdb with > "target remote localhost:1234", got > "remote 'g' packet reply is too long: <lengthy string of numbers>" Try set arch x86-64:x86-64 > Tried typing 'cont' in the qemu monitor, got os x to crash: > > panic (cpu 1 caller 0xffffff7f813ff488): pmLock: waited too long, held > by 0xffffff7f813eff65 > > Hmm, maybe that's where it keeps its monitor/mwait idle loop. > Restarted the guest, tried this from monitor: > > dump-guest-memory foobar 0xffffff7f813e0000 0x20000 > > Got "'dump-guest-memory' has failed: integer is for 32-bit values" > > Hmmm... I have no idea what I'm doing anymore at this point... :) > > --G I think 0xffffff7f813ff488 is a PC. -- MST
