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[Xen-devel] why xenstore-* hangs if xenstored is not started



 Running xenstore-* when xenstored is not started, it will hang and
cannot accept any signal, e.g. SIGINT.
 I seems that the process is blocked at accessing '/proc/xen/xenbus'.

 # mount -t xenfs xenfs /proc/xen/
 # xenstore-ls

 call trace:
 do_ls() -> xs_directory() -> xs_talkv() -> xs_write_all() -> write()

 BLOCK is no problem but why process cannot accept signal, Any opinion?


 If start xenstored in other console, xenstore-ls executes and then
receive the signal, seems the signal is pended...

-- 
Regards
Yu Zhiguo



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