Messages in this thread | | | Date | Fri, 23 Sep 2016 16:16:55 -0500 | From | Josh Poimboeuf <> | Subject | Re: new objtool warnings again... |
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On Fri, Sep 23, 2016 at 02:06:03PM -0700, Linus Torvalds wrote: > On Fri, Sep 23, 2016 at 1:33 PM, Linus Torvalds > <torvalds@linux-foundation.org> wrote: > > > > So this code is clearly missing the magic to tell gcc that the asm > > needs a frame pointer. > > Independently of that, the objtool build seems racy or somehow > fragile. I've now twice gotten into a situation where I end up getting > > cat: /home/torvalds/v2.6/linux/tools/objtool/.fixdep.o.d: No such > file or directory > make[4]: *** [/home/torvalds/v2.6/linux/tools/objtool/fixdep.o] Error 1 > make[3]: *** [/home/torvalds/v2.6/linux/tools/objtool/fixdep-in.o] Error 2 > make[2]: *** [fixdep] Error 2 > make[1]: *** [objtool] Error 2 > make: *** [tools/objtool] Error 2 > > with just the right timings, and then ccache ends up remembering that > as a build failure and causing that to be "sticky" even across "git > clean -dqfx" builds (and the "ccache -C" clears it). > > Adding Michal to the cc, in case he can see what the problem is.
I just started seeing this problem today. I suspect it's a ccache issue, since it only showed up after ccache was updated. I "fixed" it with:
yum downgrade ccache
I'll open a bug...
-- Josh
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