On Wed, Jul 01, 2009 at 01:49:51PM -0700, William Ahern wrote: <snip> > Once the freeze occurs, one of the VBox processes stays pegged at 100% CPU, > cycling through the event loop (forgot to copy the GDB trace, but basically > the backtrace shows endless calls from what looks like the core (QT?) event > loop up to mach_msg_trap()). >
FWIW, here's a GDB trace of a frozen VM. Well, more specifically the VirtualBoxVM process (pegged at 100% CPU): william:% sudo gdb -p 18610 GNU gdb 6.3.50-20050815 (Apple version gdb-962) (Sat Jul 26 08:14:40 UTC 2008) Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-apple-darwin". /Users/william/Library/VirtualBox/Machines/Barracuda0/Logs/18610: No such file or directory. Attaching to process 18610. Reading symbols for shared libraries . done Reading symbols for shared libraries .................................................................................................................... done 0x957e1286 in mach_msg_trap () (gdb) bt #0 0x957e1286 in mach_msg_trap () #1 0x957e8a7c in mach_msg () #2 0x9402904e in CFRunLoopRunSpecific () #3 0x94029c78 in CFRunLoopRunInMode () #4 0x01658a00 in QEventDispatcherMac::processEvents () #5 0x014a42a1 in QEventLoop::processEvents () #6 0x014a436d in QEventLoop::exec () #7 0x014a8301 in QCoreApplication::exec () #8 0x01002cf7 in TrustedMain () #9 0x0000375c in SUPR3HardenedMain () #10 0x00002bf1 in main () (gdb) _______________________________________________ vbox-users mailing list [email protected] http://vbox.innotek.de/mailman/listinfo/vbox-users
