Excerpts from Linus Torvalds's message of 2011-01-17 13:24:55 -0500: > On Mon, Jan 17, 2011 at 9:40 AM, Chris Mason <chris.mason@xxxxxxxxxx> wrote: > >> > > >> > I've reverted 744ed1442757767ffede5008bb13e0805085902e, and > >> > d8505dee1a87b8d41b9c4ee1325cd72258226fbc and the run has lasted longer > >> > than any runs in the past. > >> > > >> > >> Confirmed that reverting these patches makes the problem unreproducible > >> for the many_dd's + fsmark for at least an hour here. > > > > After 2+ hours I'm still running with those two commits gone. ÂI'm > > confident they are the cause of the crashes. ÂI also haven't triggered > > the cfq stalls without them. > > Ok, so the question is how to proceed from here. > > I can easily revert them, and since I was planning on doing -rc1 > tonight, I probably will. But I promised Chris to delay until tomorrow > if he needed time to chase this down, and while it's now apparently > chased down, I'll certainly also be open to delaying until tomorrow if > somebody has a patch to fix it. > > So right now my plan is: > - I will revert those two later today and then release -rc1 in the evening > UNLESS > - somebody posts a patch for the problem in the next few hours and > Chris/others are willing to give it a good test overnight (or whatever > people feel is "sufficient" based on how easily they can trigger the > issue), in which case I'd do -rc1 tomorrow (either with the reverts or > the patch, depending on how testing works out) If a patch does come in, I'm happy to test it. Mel had a test that triggered within 1-2 minutes, mine took 30 or so, which means I'd want a 2 hour run to convince myself it was really fixed. But, I'll give Mel's fs_mark + dd workload a try on the buggy kernel. -chris -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>