2017-04-12 12:28 GMT+03:00 Thomas Gleixner <t...@linutronix.de>: > On Wed, 12 Apr 2017, Tommi Rantala wrote: >> Resume-from-suspend stopped working in HP xw6600 in fedora kernel >> 4.10.8-200.fc25.x86_64, while it worked just fine in >> 4.9.9-200.fc25.x86_64. >> >> When powering on the suspended PC, there is no video output, and to >> recover, I need to reset the machine. > > Is there just no video output or is the machine completely frozen? If it's > not completely dead, then you might be able to ssh into it.
It's completely hosed: not possible to ssh, does not respond to ping either. I made a quick test with netconsole. After booting with no_console_suspend=1, and setting the netconsole parameters, I can get kernel messages (to my android phone) when suspending the machine. But no messages after the failed resume. Hmm, might I be able to capture messages over USB serial port...? -Tommi