On Mon, Aug 11, 2008 at 02:27:01PM -0400, Steven Rostedt wrote: > Rafael J. Wysocki wrote: >> On Sunday, 10 of August 2008, Marcin Slusarz wrote: >> >>> On Sun, Aug 10, 2008 at 07:40:12PM +0200, Rafael J. Wysocki wrote: >>> >>>> On Sunday, 10 of August 2008, Marcin Slusarz wrote: >>>> >>>>> Hi >>>>> >>>>> Few days ago I discovered that resume from suspend to ram does not work >>>>> anymore >>>>> on my 2.6.27-rc2 (actually 796aadeb1b2db9b5d463946766c5bbfd7717158c) >>>>> gentoo box. >>>>> My computer just boots on resume. Today I had enough time to bisect it >>>>> and found >>>>> (after 1 panic and 1 build breakage) out "the reason": >>>>> >>>>> $ git bisect good >>>>> d05cdb25d80f06f77aa6bddb53cd1390d4d91a0b is first bad commit >>>>> commit d05cdb25d80f06f77aa6bddb53cd1390d4d91a0b >>>>> Author: Steven Rostedt <rostedt@xxxxxxxxxxx> >>>>> Date: Mon May 12 21:20:54 2008 +0200 >>>>> >>>>> ftrace: fix dynamic ftrace selftest >>>>> >>>> Does it still happen if: >>>> - CONFIG_FTRACE is unset >>>> >>> no >>> >>> >>>> - CONFIG_FTRACE is set, but CONFIG_FTRACE_STARTUP_TEST is unset? >>>> >>> yes >>> >> >> Thanks for testing. >> >> Well, ftrace is a new feature in 2.6.27, IIRC, so this is not a regression >> in >> the strict sense. >> >> Still, of couse, there is a bug in ftrace that needs to be fixed. Steven? >> > Sorry for the late response. > > Red Hat changed its mail servers, and my mail was in limbo for a while. > > I'm not doubting that FTRACE enabled breaks suspend to ram, but I find it > highly unlikely that the commit you posted was the culprit. Especially > since it still breaks when STARTUP_TEST is disabled. That change was a > STARTUP_TEST change only. Perhaps it just moved things around enough to > cause your issues. > > But you say that if you take Linus's latest git tree, and revert only this > change, it works?? Yes. > Hmm, this is very strange. I agree. Any idea how to debug it? Marcin _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
