[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Linux kernel 3.12 regression, Dom0 fails to boot on Core 2 6400
----- wei.liu2@xxxxxxxxxx wrote: > Hi Konrad > > Just notice a regression on 3.12 kernel, Dom0 fails to boot early on > with following message: > > (XEN) traps.c:455:d0 Unhandled invalid opcode fault/trap [#6] on VCPU > 0 [ec=0000] > (XEN) domain_crash_sync called from entry.S > > (XEN) Domain 0 (vcpu#0) crashed on cpu#0: The will be fixed in mainline as soon as Linus pulls our tree: https://lkml.org/lkml/2013/9/25/270 -boris > > (XEN) ----[ Xen-4.4-unstable x86_64 debug=y Tainted: C ]---- > > (XEN) CPU: 0 > > (XEN) RIP: e033:[<ffffffff81b6a48e>] > > (XEN) RFLAGS: 0000000000000292 EM: 1 CONTEXT: pv guest > > (XEN) rax: 000000000000006a rbx: ffffffff8148c255 rcx: > 00000000000000aa > (XEN) rdx: 0000000000000032 rsi: 0000000000000006 rdi: > 0000000000000000 > (XEN) rbp: ffffffff82201e38 rsp: ffffffff82201dd8 r8: > 0000000000000000 > (XEN) r9: 6465746365707865 r10: 000000000000009d r11: > 6820746120706f20 > (XEN) r12: ffffffff810199e0 r13: ffffffff82309c18 r14: > ffffffff81c01f04 > (XEN) r15: 0000000000000000 cr0: 0000000080050033 cr4: > 00000000000026f0 > (XEN) cr3: 000000021e20c000 cr2: 0000000000000000 > > (XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e033 > > (XEN) Guest stack trace from rsp=ffffffff82201dd8: > > (XEN) 00000000000000aa 6820746120706f20 ffffffff81b6a48e > 000000010000e030 > (XEN) 0000000000010092 ffffffff82201e18 000000000000e02b > ffffffff81b6a48e > (XEN) ffffffff00000000 ffffffff00000000 ffffffff81ffb05d > ffffffff00000035 > (XEN) ffffffff82201e78 ffffffff810176a4 ffffffe800000000 > 90666666663a3e50 > (XEN) ffffffff82309c10 0000000000000001 ffffffff824b3c20 > ffff88021a138740 > (XEN) ffffffff82201ea8 ffffffff81017889 ffffffff82305a58 > 0000441f0f000000 > (XEN) ffffffff824b3c40 ffffffff82309c10 ffffffff82201ed8 > ffffffff823549f5 > (XEN) 0000000000000065 ffffffffffffffff ffffffff823d0020 > ffffffff823da2e0 > (XEN) ffffffff82201f28 ffffffff82331ca5 ffffffff8233186d > ffffffff82652000 > (XEN) ffffffff82659038 ffffffff823da2e0 00000000f3dfffff > 0000000000000000 > (XEN) 0000000000000000 0000000000000000 ffffffff82201f38 > ffffffff823315e0 > (XEN) ffffffff82201ff8 ffffffff82335484 0000000100000000 > 00020800000006f6 > (XEN) 1fc9cbf580002281 0300000100000032 0000000000000005 > 0000000000000020 > (XEN) 0000000000000000 0000000000000000 0000000000000000 > 0000000000000000 > (XEN) 0000000000000000 0000000000000000 0000000000000000 > 0000000000000000 > (XEN) 0000000000000000 0000000000000000 0000000000000000 > 0000000000000000 > (XEN) 0000000000000000 0000000000000000 0000000000000000 > 0000000000000000 > (XEN) 0000000000000000 0f00000060c0c748 ccccccccccccc305 > cccccccccccccccc > (XEN) cccccccccccccccc cccccccccccccccc cccccccccccccccc > cccccccccccccccc > (XEN) cccccccccccccccc cccccccccccccccc cccccccccccccccc > cccccccccccccccc > (XEN) Domain 0 crashed: rebooting machine in 5 seconds. > > Biscetion shows that it's due to the change in jump label. > > commit 442e0973e9273ae8832abd70f52efde8b8326178 > > Merge: 8d7551e fb40d7a > > Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> > > Date: Tue Sep 10 19:43:23 2013 -0700 > > > > Merge branch 'x86/jumplabel' of > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip > > > Pull x86 jumplabel changes from Peter Anvin: > > "One more x86 tree for this merge window. This tree improves the > > handling of jump labels, so that most of the time we don't have > to do > a massive initial patching run. > > > > Furthermore, we will error out of the jump label is not what is > > expected, eg if it has been corrupted or tampered with" > > > > * 'x86/jumplabel' of > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: > x86/jump-label: Show where and what was wrong on errors > > x86/jump-label: Add safety checks to jump label conversions > > x86/jump-label: Do not bother updating nops if they are correct > > x86/jump-label: Use best default nops for inital jump label > calls > > Hardware matters. I can only see the crash on Intel(R) Core(TM)2 6400 > @ > 2.13GHz. > > Wei. > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxx > http://lists.xen.org/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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