Re: [PATCH] Fix spurious hard lockup events while in debugger

2015-12-16 Thread Jeff Merkey
On 12/16/15, Jeff Merkey wrote: > On 12/14/15, Jeff Merkey wrote: >> The current touch_nmi_watchdog() function in /kernel/watchdog.c does >> not always catch all cases when a processor is spinning in the nmi >> handler inside either KGDB, KDB, or MDB, in particular, the case where >> a processor

Re: [PATCH] Fix spurious hard lockup events while in debugger

2015-12-16 Thread Don Zickus
On Wed, Dec 16, 2015 at 10:22:18AM -0700, Jeff Merkey wrote: > On 12/14/15, Jeff Merkey wrote: > > The current touch_nmi_watchdog() function in /kernel/watchdog.c does > > not always catch all cases when a processor is spinning in the nmi > > handler inside either KGDB, KDB, or MDB, in particular,

Re: [PATCH] Fix spurious hard lockup events while in debugger

2015-12-16 Thread Jeff Merkey
On 12/14/15, Jeff Merkey wrote: > The current touch_nmi_watchdog() function in /kernel/watchdog.c does > not always catch all cases when a processor is spinning in the nmi > handler inside either KGDB, KDB, or MDB, in particular, the case where > a processor is being held by a debugger inside an i

Re: [PATCH] Fix spurious hard lockup events while in debugger

2015-12-16 Thread Jeff Merkey
On 12/14/15, Jeff Merkey wrote: > The current touch_nmi_watchdog() function in /kernel/watchdog.c does > not always catch all cases when a processor is spinning in the nmi > handler inside either KGDB, KDB, or MDB, in particular, the case where > a processor is being held by a debugger inside an i