[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Linux kernel 3.12 regression, Dom0 fails to boot on Core 2 6400
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: (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
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