Re: NMI watchdog functionality on Freebsd

2013-01-24 Thread John Baldwin
On Wednesday, January 23, 2013 11:57:33 am Ian Lepore wrote: > On Wed, 2013-01-23 at 08:47 -0800, Matthew Jacob wrote: > > On 1/23/2013 7:25 AM, John Baldwin wrote: > > > On Tuesday, January 22, 2013 5:40:55 pm Sushanth Rai wrote: > > >> Hi, > > >> > > >> Does freebsd have some functionality simila

Re: NMI watchdog functionality on Freebsd

2013-01-23 Thread Ed Maste
On 23 January 2013 11:57, Ian Lepore wrote: > > But adding a real hardware watchdog that fires on a slightly longer > timeout than the NMI watchdog gives you the best of everything: you get > information if it's possible to produce it, and you get a real hardware > reset shortly thereafter if prod

Re: NMI watchdog functionality on Freebsd

2013-01-23 Thread Ian Lepore
On Wed, 2013-01-23 at 08:47 -0800, Matthew Jacob wrote: > On 1/23/2013 7:25 AM, John Baldwin wrote: > > On Tuesday, January 22, 2013 5:40:55 pm Sushanth Rai wrote: > >> Hi, > >> > >> Does freebsd have some functionality similar to Linux's NMI watchdog ? I'm > > aware of ichwd driver, but that depe

Re: NMI watchdog functionality on Freebsd

2013-01-23 Thread Matthew Jacob
On 1/23/2013 7:25 AM, John Baldwin wrote: On Tuesday, January 22, 2013 5:40:55 pm Sushanth Rai wrote: Hi, Does freebsd have some functionality similar to Linux's NMI watchdog ? I'm aware of ichwd driver, but that depends to WDT to be available in the hardware. Even when it is available, BIOS

Re: NMI watchdog functionality on Freebsd

2013-01-23 Thread John Baldwin
On Tuesday, January 22, 2013 5:40:55 pm Sushanth Rai wrote: > Hi, > > Does freebsd have some functionality similar to Linux's NMI watchdog ? I'm aware of ichwd driver, but that depends to WDT to be available in the hardware. Even when it is available, BIOS needs to support a mechanism to trigg

NMI watchdog functionality on Freebsd

2013-01-22 Thread Sushanth Rai
Hi, Does freebsd have some functionality similar to Linux's NMI watchdog ? I'm aware of ichwd driver, but that depends to WDT to be available in the hardware. Even when it is available, BIOS needs to support a mechanism to trigger a OS level recovery to get any useful information when system i