Hi! > Wow. 2 days and a mostly destroyed XFS filesystem (it's still running > but I better not touch some directories or it goes belly up, xfs_repair > craps out too) I actually suspended my quad powermac a few times. Congratulations! Hehe, you have nice testcase for xfs now :-). [ext2 is the filesystem you proably want to use while hacking such code]. > Half of the time I'll be told by the softlockup watchdog that it locked > up, but sometimes it actually works, that is, it suspends and resumes. > > Issues: I don't save MPIC state. Hence, anything that is compiled in as > modules will no longer get IRQs after resume. Like USB on my system. So > I only ohci_hcd and ehci_hcd before suspend, reload later (from a > script) and I can still use the keyboard after ;) > > Same goes for tg3 even though it is built-in. Well, I held off looking > at the MPIC because Ben said he was rewriting the whole interrupt stuff > anyway. > > Other issues: yeah, this is extremely ugly. If you like your machine, > don't take a look. I like my machine. I'll take a look anyway ;-). It is not _that_ bad... at least it is short :). Pavel > --- linux-2.6-git.orig/kernel/power/snapshot.c 2006-06-23 11:37:23.433885225 +0200 > +++ linux-2.6-git/kernel/power/snapshot.c 2006-06-23 11:39:03.352985945 +0200 > @@ -177,7 +177,13 @@ > return 0; > > page = pfn_to_page(pfn); > +/* > + I currently mark the physical memory that we reserve > + and _don't_ map for kernel access as Nosave so we won't > + try to save it... Not sure what to do. > + > BUG_ON(PageReserved(page) && PageNosave(page)); > +*/ I believe this is gone in -git kernels for some other reasons. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
