Dear Maintainer,
*** Reporter, please consider answering these questions, where appropriate ***
* What led up to the situation?
ran apt-get dist-upgrade (see output below)
* What exactly did you do (or not do) that was effective (or
ineffective)?
nothing except the upgrade
* What was the outcome of this action?
laptop cannot wake up from sleep any longer. screen off, eventually
text-mode with xorg/nouveau messages "trapped read, trapped write,
CACHE_ERROR, PAGE_NOT_PRESENT"; have to turn off computer hard and
reboot
* What outcome did you expect instead?
laptop wakes up happily like it did for the last 1/2 year