Messages in this thread | | | Subject | Re: Linux 2.6.38-rc1 doesn't boot | From | Shaohua Li <> | Date | Thu, 20 Jan 2011 10:08:06 +0800 |
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On Wed, 2011-01-19 at 17:09 +0800, Ingo Molnar wrote: > * H. Peter Anvin <h.peter.anvin@intel.com> wrote: > > > On 01/19/2011 12:12 AM, Shaohua Li wrote: > > > On Wed, 2011-01-19 at 15:49 +0800, Markus Trippelsdorf wrote: > > >> On 2011.01.19 at 08:39 +0100, Markus Trippelsdorf wrote: > > >>> On 2011.01.18 at 15:54 -0800, Linus Torvalds wrote: > > >>>> > > >>>> And as usual, report any regressions to the lists and the appropriate > > >>>> authorities. > > >>> > > >>> Unfortunately 2.6.38-rc1 doesn't even boot on my machine (amd64). > > >>> This is caused by 86b1e8dd83cbb0f: > > >>> x86: Make relocatable kernel work with new binutils > > >>> > > >>> Reverting the commit solves the problem. > > >> > > >> I'm running the latest binutils: > > >> GNU ld (Linux/GNU Binutils) 2.21.51.0.5.20110104 > > > Hmm, reproduce it here with binutils-2.21.51.0.6-20110118 > > > but not with GNU ld (GNU Binutils for Ubuntu) 2.20.51-system.20100908 > > > I got this in system.map: ffffffff03514880 D jiffies_64, which looks > > > wrong. > > > looks binutils changed something again. > > > Have no idea, CC Lu Hongjiu. > > > > > > > Either way... the whole jiffies vs jiffies_64 thing is kind of > > ridiculous. We should be able to do it in a completely > > architecture-generic way by either making it a union(!) (with "jiffies" > > and "jiffies_64" presumably would be #defines, or we do a global replace > > across the tree), moving the variable declaration itself to a .S file > > (which would only have data components and therefore would be > > arch-generic) or doing something like the attached (untested since it is > > 1 am here) patch. > > > > This should let us get rid of the hacks in *all* the architectures, not > > just x86. > > Ok - until it's resolved i'll queue up a revert - a known build failure is preferred > to a boot regression. it's not a build failure, without it, my i386 kernel can't boot actually.
Thanks, Shaohua
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