Re: Capturing ddb output when "boot reboot" fails

2018-04-18 Thread Rodney Polkinghorne
Thanks Stuart. > Try "call cpu_reset". That made the machine reboot cleanly. Afterwards, dmesg and dmesg.boot had captured both the 6.3 boot and the 6.3 reboot, but the ddb session in between was missing. Is there a ddb command that flushes the session log to the message buffer? > Or take phot

Re: Capturing ddb output when "boot reboot" fails

2018-04-17 Thread Stuart Henderson
On 2018-04-17, Rodney Polkinghorne wrote: > Dear list > > My old Dell laptop ran stably under 6.1. After I upgraded to 6.2, > the kernel started to crash with "page fault trap, code=0" every > time I started the X server. Every other time, this left the file > system in a state that fsck could n

Capturing ddb output when "boot reboot" fails

2018-04-17 Thread Rodney Polkinghorne
Dear list My old Dell laptop ran stably under 6.1. After I upgraded to 6.2, the kernel started to crash with "page fault trap, code=0" every time I started the X server. Every other time, this left the file system in a state that fsck could not repair. I don't have a spare laptop for debugging,