Alrighty, having read through the other responses I'm inclined to agree something's not playing nice with certain hardware:
I think that the difference is more likely to be in the configuration, > rather than the patches we apply. > > As in the kernel config? I guess that's possible. I think I built my "good" vanilla 4.9 kernel using the debian 4.6 config. Perhaps in addition the booting-from-power-off, maybe worth my time to try another vanilla 4.9 build using the debian 4.9 config to see if things get miserable again. On Thu, Jan 26, 2017 at 6:10 PM, Tom Lee <deb...@tomlee.co> wrote: > Oops, somehow missed those follow-ups. Thanks, I'll catch up. > > Have you tried booting one of the newer kernel versions from power-off? > > > I'll be sure to give that a go, thanks. > > > On Thu, Jan 26, 2017 at 5:54 PM, Ben Hutchings <b...@decadent.org.uk> > wrote: > >> On Wed, 2017-01-25 at 17:52 -0800, Tom Lee wrote: >> > Just an update: I am still encountering similar performance issues with >> the >> > 4.9.0-1 kernel that was recently promoted to testing. In fact, the >> 4.9.0-1 >> > kernel may be the worst yet in terms of this specific issue, with >> IntelliJ >> > starting so slowly as to be effectively unusable. One time the entire >> > system appeared to become completely unresponsive & a hard reset was >> > required. >> > >> > The most recent kernel with which I've experienced problems: >> > >> > $ apt-cache show linux-image-4.9.0-1-amd64 >> > Package: linux-image-4.9.0-1-amd64 >> > Source: linux-signed (4) >> > Version: 4.9.2-2 >> > Installed-Size: 183299 >> > >> > This problem does *not* seem to occur with a vanilla 4.9.2 kernel, >> implying >> > something Debian-specific: >> > >> > $ uname -a >> > Linux desktop.local 4.9.2 #1 SMP Wed Jan 25 04:28:29 PST 2017 x86_64 >> > GNU/Linux >> > >> > If you're aware of any Debian patches that might be suspect, I'm happy >> to >> > try some custom builds. Reproducing the issue is trivial on my end when >> a >> > kernel is "bad". >> [...] >> >> I think that the difference is more likely to be in the configuration, >> rather than the patches we apply. >> >> Some other people followed up to your bug report suggesting there might >> be a BIOS bug affecting behaviour after a warm reboot, but not booting >> from power-off: >> >> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=843349#17 >> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=843349#32 >> >> (Unfortunately I don't see any BIOS updates available for this model.) >> Have you tried booting one of the newer kernel versions from power-off? >> >> Ben. >> >> -- >> Ben Hutchings >> Design a system any fool can use, and only a fool will want to use it. >> > > > > -- > *Tom Lee */ http://tomlee.co / @tglee <http://twitter.com/tglee> > > -- *Tom Lee */ http://tomlee.co / @tglee <http://twitter.com/tglee>
