This patch implements a new feature where you can selectively pass
exceptions in advanced use cases.
This patch also provides the debugger the ability to be less invasive
with further controls on when to wait for a debugger to attach vs
letting the system free run and process exceptions that
If there are no objections I plan to apply the patches to i386 and
x86_64 to fix up the NMI watchdog problems.
Jason.
When using the local_apic nmi watchdog, the first time you break in
with KGDB the local_apic no longer sends any further NMI ticks to the
master KGDB cpu after KGDB returns the
Jason Wessel wrote:
I have optimized kgdb to not be in the critical path of the softlockup
detection and fixed it to be more robust on the continue. I was
seeing problems from time to time with the latest kernels when using
both the softlockup and the nmi watch dog.
I plan to replace the
