On 20.06.2014 17:27, Robert P. J. Day wrote:
On Thu, 19 Jun 2014, Adam Williamson wrote:
On Thu, 2014-06-19 at 06:46 -0400, Robert P. J. Day wrote:
rebooted my rawhide laptop this morning, it totally hung ... powered
down and up, same thing, so i manually backed off to the earlier
kernel release, 3.16.0-0.rc0.git1.1.fc21.x86_64, worked fine, and am
now currently "yum updating" which will bump up my kernel to
kernel-3.16.0-0.rc0.git11.1.fc21.x86_64, and i'll try that one.
so was there a known issue with, uh,
3.16.0-0.rc1.git1.1.fc21.x86_64? it's been a while since a kernel
simply froze my machine in its tracks.
they're very early builds, so it's certainly plausible. when you say
it "totally hung" - how far did it get? did the screen blank? any
error messages?
ah, a possible diagnosis -- the newest rawhide kernels appear to
hang if i have an external monitor connected on my HDMI port during
boot.
just did a "yum update" and booted with:
$ uname -r
3.16.0-0.rc1.git2.1.fc21.x86_64
$
and as long as i disconnect HDMI first, my asus G74S laptop boots just
fine, and i can plug in the monitor afterwards and all is well.
if, however, i reboot with the monitor still connected, i can see
the little fedora blob slowly filling in with white, followed by the
appearance of the fedora "f" symbol, which stays up for a couple
seconds, then ... hang. display goes black, no desktop, no virtual
consoles.
i can do more testing but, at this point, it seems that the newest
rawhide kernels don't play well with a connected HDMI monitor during
boot. this is relatively new -- i've verified that the earlier
3.16.0-0.rc0.git1.1.fc21.x86_64 kernel works just fine booting
connected to HDMI.
one more thing ... once i boot with this new kernel, *then* plug in
the monitor, everything seems to work fine, but when i went to test
another reboot, the shutdown spewed kernel panic and call trace
messages all over the screen. i have no idea if this is related, but
i'm willing to do more testing if you have anything specific in mind.
rday
dmesg?
GTX 560M GDDR5?
poma
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