Oliver Yang Wrote: > 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.
Doesn't work. Thanks, Colin
