On 2011-06-23 11:05, lidong chen wrote: > Hi all, > > I didn't understand why need block all signal except SIGBUS SIGIPI for > vcpu thread?
For simplicity reasons: All other expected signals are handled by the io-thread or other helper threads. Those must never be processed by the vcpus. So we block everything except the required ones. > is it safe to register another signal handler? > if somebody know the reason, please tell me. > > and is it worth to do this? Better configure your host to create a core dump of the dying process. That contains more information than you could ever collect ad-hoc by patching qemu itself. Jan
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