Hi, Trying to get pv_ops working with 2.6.28.4, this is what I get on an Intel Xeon CPU. Works fine on AMD Opteron... (XEN) Xen trace buffers: disabled (XEN) Std. Loglevel: Errors and warnings (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings) (XEN) Xen is relinquishing VGA console. (XEN) *** Serial input -> DOM0 (type ''CTRL-a'' three times to switch input to Xen) (XEN) Freed 104kB init memory. (XEN) mm.c:1482:d1 Bad L1 flags 800000 (XEN) traps.c:437:d1 Unhandled invalid opcode fault/trap [#6] on VCPU 0 [ec=0000] (XEN) domain_crash_sync called from entry.S (XEN) Domain 1 (vcpu#0) crashed on cpu#7: (XEN) ----[ Xen-3.3.1 x86_64 debug=n Not tainted ]---- (XEN) CPU: 7 (XEN) RIP: e033:[<ffffffff8020aa1a>] (XEN) RFLAGS: 0000000000000282 EM: 1 CONTEXT: pv guest (XEN) rax: 00000000ffffffea rbx: 8000000000000161 rcx: 00000000007ff000 (XEN) rdx: 0000000000000000 rsi: 80000008053e2061 rdi: ffffffff804f0000 (XEN) rbp: ffffffff8048ffa8 rsp: ffffffff8048ff58 r8: 0000000000000000 (XEN) r9: 0000000000000000 r10: 0000000000000000 r11: 0000000000000000 (XEN) r12: ffffffff804f0000 r13: 0000000000001000 r14: 0000000000000008 (XEN) r15: 0000000000000008 cr0: 000000008005003b cr4: 00000000000026b0 (XEN) cr3: 000000080517e000 cr2: 0000000000000000 (XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e033 (XEN) Guest stack trace from rsp=ffffffff8048ff58: (XEN) 00000000007ff000 0000000000000000 ffffffff8020aa1a 000000010000e030 (XEN) 0000000000010082 ffffffff8048ff98 000000000000e02b ffffffff8020aa16 (XEN) 0000000000000200 0000000000000040 ffffffff8048fff8 ffffffff804b51c5 (XEN) ffffffff80754000 0000080000000000 0000000000040000 0000000000000000 (XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000 (XEN) 0000000000000000 Any ideas ? Thanks John _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
Jeremy Fitzhardinge
2009-Feb-08 18:03 UTC
Re: [Xen-devel] Unhandled invalid opcode fault/trap
John Morrison wrote:> > Hi, > > Trying to get pv_ops working with 2.6.28.4, this is what I get on an > Intel Xeon CPU. > > Works fine on AMD Opteron... > > (XEN) Xen trace buffers: disabled > (XEN) Std. Loglevel: Errors and warnings > (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings) > (XEN) Xen is relinquishing VGA console. > (XEN) *** Serial input -> DOM0 (type ''CTRL-a'' three times to switch > input to Xen) > (XEN) Freed 104kB init memory. > (XEN) mm.c:1482:d1 Bad L1 flags 800000 > (XEN) traps.c:437:d1 Unhandled invalid opcode fault/trap [#6] on VCPU > 0 [ec=0000] > (XEN) domain_crash_sync called from entry.S > (XEN) Domain 1 (vcpu#0) crashed on cpu#7: > (XEN) ----[ Xen-3.3.1 x86_64 debug=n Not tainted ]---- > (XEN) CPU: 7 > (XEN) RIP: e033:[<ffffffff8020aa1a>] > (XEN) RFLAGS: 0000000000000282 EM: 1 CONTEXT: pv guest > (XEN) rax: 00000000ffffffea rbx: 8000000000000161 rcx: > 00000000007ff000 > (XEN) rdx: 0000000000000000 rsi: 80000008053e2061 rdi: > ffffffff804f0000 > (XEN) rbp: ffffffff8048ffa8 rsp: ffffffff8048ff58 r8: > 0000000000000000 > (XEN) r9: 0000000000000000 r10: 0000000000000000 r11: > 0000000000000000 > (XEN) r12: ffffffff804f0000 r13: 0000000000001000 r14: > 0000000000000008 > (XEN) r15: 0000000000000008 cr0: 000000008005003b cr4: > 00000000000026b0 > (XEN) cr3: 000000080517e000 cr2: 0000000000000000 > (XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e033 > (XEN) Guest stack trace from rsp=ffffffff8048ff58: > (XEN) 00000000007ff000 0000000000000000 ffffffff8020aa1a > 000000010000e030 > (XEN) 0000000000010082 ffffffff8048ff98 000000000000e02b > ffffffff8020aa16 > (XEN) 0000000000000200 0000000000000040 ffffffff8048fff8 > ffffffff804b51c5 > (XEN) ffffffff80754000 0000080000000000 0000000000040000 > 0000000000000000 > (XEN) 0000000000000000 0000000000000000 0000000000000000 > 0000000000000000 > (XEN) 0000000000000000 > > Any ideas ?Do you have NX disabled in your BIOS (or is it a very early x86-64 intel chip)? What does: $ gdb vmlinux (gdb) x/i 0xffffffff8020aa1a say? J _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel