On 3 June 2016 at 10:11, Stephen Borrill <[email protected]> wrote: > > On Thu, 2 Jun 2016, Roy Marples wrote: >> >> On 2016-06-01 10:54, Stephen Borrill wrote: >>> >>> Somewhere after 7.0_RC2, a problem started where the machine hangs >>> right at the end of the kernel boot just before it prints the boot >>> device: >>> >>> pad0: outputs: 44100Hz, 16-bit, stereo >>> audio1 at pad0: half duplex, playback, capture >>> *** HANGS HERE *** >>> boot device: wd0 >>> root on wd0a dumps on wd0b >>> >>> The only thing to do is to power the machine off. This happens with >>> all later kernels (including -current). >>> >>> I've not had chance to bisect the sources yet as I need to use the >>> machine for real work (and running NetBSD 7 on it also makes it so hot >>> it burns my legs). >>> >>> I think a few users (and developers) have Lenovo T500 laptops. Does >>> any recent NetBSD work for them? >> >> >> I have a T500 which is my main NetBSD dev machine. > > > Do you have a dmesg? Perhaps yours is a model without switchable graphics or > the 3G modem, etc. > >> I haven't updated the kernel in a month or so, but it's been running >> -current very well. > > > Does it run at a sensible temperature? Mine runs very hot and runs the > battery down very quickly. > >> I don't recall if it ever ran anything earlier than a 7.0 release though. > > > I've been using mine since the netbsd-5 and this problem just started.
As a random thought has the machdep.est.frequency settings changed for it since netbsd-5? - might it possibly be picking a higher default value? Do you use sysutils/estd (I have a T420s and that definitely helped with how often my CPU fan maxes out)
