John Levon wrote: > On Thu, Sep 04, 2008 at 06:40:51PM +0800, Colin Yi wrote: > >> The Dom0 is snv_97 ,the Domu is a HVM s10_u5. >> I booted the domu which loaded the mdb module. >> >> -bash-3.00# modinfo |grep mdb >> 3 fffffffffbaa10a0 a04f0 - 0 kmdbmod () >> 176 fffffffff406a9f8 748 171 1 kmdb (kmdb driver 1.3) >> >> If the Domu hang(can't run he command line "mdb -K" by shell), >> how can I enter the kmdb module to debug the deadlock issue? > > There isn't any way AFAIK (the serial console trick doesn't work, I > believe). Of course you can still use the deadman timer if that's able > to run.
Is it possible to get Xen to fake up an NMI? I have a very vague recollection there's some magic setting you can apply somewhere (probably in the pcplusmp module) which gets kmdb to spring up if an NMI is received. -- Andrew _______________________________________________ xen-discuss mailing list [email protected]
