Colin Yi wrote: > > Hi, > We found a hard hang on a HP x86 system installed snv_130. firstly I > add "set snooping=1" to /etc/system > to try to get a core dump file. but it doesn't work, the system hang > more than one hour and can't enter > kmdb mode (the deadman timer is the default value). secondly I add?set > pcpslump:apic_panic_on_nmi=1? to > /etc/system, and send an NMI to OS from HP utility, The system enters > the kmdb mode this time, But the keyboard > freeze and I am not able to perform any operations in kmdb. > > Does anyone know any other way to debug this hard hang? >
Have you tied using kmdb via the tip line? Sometimes using tip line is helpful.
