[issue713] shutdown freeze and forced unmounts
pavalos at theshell.com
Tue Jul 10 16:20:21 PDT 2007
On Tue, Jul 10, 2007 at 03:43:31PM -0700, Matthew Dillon wrote:
> :Unfortunately, it still freezes after the Uptime: message. I've tried this
> :with and without ACPI.
> :Any other ideas?
> :Am I the only one that is not able to 'reboot' their machine?
> I think so :-).
> Start adding kprintf()'s to the kernel in the code paths after the
> Uptime message is printed. In paricular, the device shutdown
> path (device_shutdown() line 1198 in kern/subr_bus.c). Also boot
> with verbose mode so the shutdown is verbose too.
Okay, I'll give it a shot.
> Now that we've gotten one issue out of the way at least, is it
> possible to break into the debugger after it freezes or is that still
> a no go?
> Another thing to try, drop into single user by killing init
> i.e. 'kill 1', do a ps to make sure everything has been killed
> (the only user processes left should be init, -sh, and your ps),
> and then see if a reboot freezes the system.
Indeed, only kernel threads and init, sh, and ps, but a reboot still freezes
after "Uptime: xxxx"
> It's got to be something stupid simple. Literally. The shutdown
> got through all the hard stuff already. It's like it can't reset
> the cpu or something.
BTW, with verbose logging, that's where I was getting the acpi_button
-------------- next part --------------
A non-text attachment was scrubbed...
Size: 189 bytes
Desc: "Description: PGP signature"
More information about the Bugs