-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 On 02/17/15 12:26, Konstantin Belousov wrote: > On Tue, Feb 17, 2015 at 12:00:04PM -0800, Sean Bruno wrote: >> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 >> >> On 02/17/15 00:56, Konstantin Belousov wrote: >>> On Mon, Feb 16, 2015 at 08:10:06PM -0800, Sean Bruno wrote: >>>> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 >>>> >>>> https://people.freebsd.org/~sbruno/Xen_APIC_panic.png >>>> >>>> I suspect that there may be one or two more lines above this >>>> that are relevant to this panic, but XENHVM kernel's now >>>> panic booting on Xen server. The working kernel output looks >>>> like this: >>>> >>>> FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final >>>> 208032) 20140512 XEN: Hypervisor version 4.2 detected. CPU: >>>> Intel(R) Xeon(R) CPU E5620 _at_ 2.40GHz (2400.05-MHz >>>> K8-class CPU) Origin="GenuineIntel" Id=0x206c2 Family=0x6 >>>> Model=0x2c Stepping=2 >>>> Features=0x1783fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2,HTT> >>>> >>>> >> >>>> Features2=0x81ba2201<SSE3,SSSE3,CX16,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,TSCDLT,HV> >>>> AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM> AMD >>>> Features2=0x1<LAHF> Hypervisor: Origin = "XenVMMXenVMM" real >>>> memory = 1434451968 (1368 MB) avail memory = 1353293824 >>>> (1290 MB) Event timer "LAPIC" quality 400 ACPI APIC Table: >>>> <Xen HVM> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs >>>> FreeBSD/SMP: 1 package(s) x 2 core(s) cpu0 (BSP): APIC ID: 0 >>>> cpu1 (AP): APIC ID: 2 ioapic0: Changing APIC ID to 1 MADT: >>>> Forcing active-low polarity and level trigger for SCI >>> I am not sure why your machine uses native lapic instead of >>> xen lapic, and should it be other way, or not. >>> >>> Regardless, show the line number for the ipi_startup+0x56. Did >>> you performed clean kernel build ? >>> >>> >> >> I have rebuilt a kernel/world based on head at svn r276627. I >> have delete /usr/obj completely and started from scratch. >> >> Updated kernelpanic image at >> https://people.freebsd.org/~sbruno/Xen_APIC_panic.png >> >> /usr/src/sys/x86/include # kgdb /boot/kernel/kernel GNU gdb 6.1.1 >> [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is >> free software, covered by the GNU General Public License, and you >> are welcome to change it and/or distribute copies of it under >> certain conditions. Type "show copying" to see the conditions. >> There is absolutely no warranty for GDB. Type "show warranty" >> for details. This GDB was configured as >> "amd64-marcel-freebsd"... (kgdb) list *(ipi_startup+0x56) >> 0xffffffff80e088c6 is in ipi_startup (apicvar.h:383). 378 379 >> static inline int 380 lapic_ipi_wait(int delay) 381 { 382 383 >> return (apic_ops.ipi_wait(delay)); 384 } 385 386 static inline >> int 387 lapic_set_lvt_mask(u_int apic_id, u_int lvt, u_char >> masked) >> > > Please disassemble your ipi_startup, also please do 'p *apic_ops'. > > (kgdb) disassemble ipi_startup Dump of assembler code for function ipi_startup: 0xffffffff80df3900 <ipi_startup+0>: push %rbp 0xffffffff80df3901 <ipi_startup+1>: mov %rsp,%rbp 0xffffffff80df3904 <ipi_startup+4>: push %r14 0xffffffff80df3906 <ipi_startup+6>: push %rbx 0xffffffff80df3907 <ipi_startup+7>: mov %esi,%ebx 0xffffffff80df3909 <ipi_startup+9>: mov %edi,%r14d 0xffffffff80df390c <ipi_startup+12>: mov $0xc500,%edi 0xffffffff80df3911 <ipi_startup+17>: mov %r14d,%esi 0xffffffff80df3914 <ipi_startup+20>: callq *0xffffffff815ac428 0xffffffff80df391b <ipi_startup+27>: mov $0x14,%edi 0xffffffff80df3920 <ipi_startup+32>: callq *0xffffffff815ac438 0xffffffff80df3927 <ipi_startup+39>: mov $0x8500,%edi 0xffffffff80df392c <ipi_startup+44>: mov %r14d,%esi 0xffffffff80df392f <ipi_startup+47>: callq *0xffffffff815ac428 0xffffffff80df3936 <ipi_startup+54>: mov $0x2710,%edi 0xffffffff80df393b <ipi_startup+59>: callq 0xffffffff80f39c10 <DELAY> 0xffffffff80df3940 <ipi_startup+64>: or $0x4600,%ebx 0xffffffff80df3946 <ipi_startup+70>: movslq %ebx,%rbx 0xffffffff80df3949 <ipi_startup+73>: mov %rbx,%rdi 0xffffffff80df394c <ipi_startup+76>: mov %r14d,%esi 0xffffffff80df394f <ipi_startup+79>: callq *0xffffffff815ac428 0xffffffff80df3956 <ipi_startup+86>: mov $0x14,%edi 0xffffffff80df395b <ipi_startup+91>: callq *0xffffffff815ac438 0xffffffff80df3962 <ipi_startup+98>: test %eax,%eax 0xffffffff80df3964 <ipi_startup+100>: je 0xffffffff80df399b <ipi_startup+155> 0xffffffff80df3966 <ipi_startup+102>: mov $0xc8,%edi 0xffffffff80df396b <ipi_startup+107>: callq 0xffffffff80f39c10 <DELAY> 0xffffffff80df3970 <ipi_startup+112>: mov %rbx,%rdi 0xffffffff80df3973 <ipi_startup+115>: mov %r14d,%esi 0xffffffff80df3976 <ipi_startup+118>: callq *0xffffffff815ac428 0xffffffff80df397d <ipi_startup+125>: mov $0x14,%edi 0xffffffff80df3982 <ipi_startup+130>: callq *0xffffffff815ac438 0xffffffff80df3989 <ipi_startup+137>: test %eax,%eax 0xffffffff80df398b <ipi_startup+139>: je 0xffffffff80df39a4 <ipi_startup+164> 0xffffffff80df398d <ipi_startup+141>: mov $0xc8,%edi 0xffffffff80df3992 <ipi_startup+146>: pop %rbx 0xffffffff80df3993 <ipi_startup+147>: pop %r14 0xffffffff80df3995 <ipi_startup+149>: pop %rbp 0xffffffff80df3996 <ipi_startup+150>: jmpq 0xffffffff80f39c10 <DELAY> 0xffffffff80df399b <ipi_startup+155>: mov $0xffffffff810cb5c4,%rdi 0xffffffff80df39a2 <ipi_startup+162>: jmp 0xffffffff80df39ab <ipi_startup+171> 0xffffffff80df39a4 <ipi_startup+164>: mov $0xffffffff810cb5f3,%rdi 0xffffffff80df39ab <ipi_startup+171>: xor %eax,%eax 0xffffffff80df39ad <ipi_startup+173>: mov %r14d,%esi 0xffffffff80df39b0 <ipi_startup+176>: callq 0xffffffff809b40d0 <panic> End of assembler dump. (kgdb) p apic_ops $2 = {create = 0xffffffff80f32e10 <native_lapic_create>, init = 0xffffffff80f32f70 <native_lapic_init>, xapic_mode = 0xffffffff80f331b0 <native_lapic_xapic_mode>, setup = 0xffffffff80f331e0 <native_lapic_setup>, dump = 0xffffffff80f336c0 <native_lapic_dump>, disable = 0xffffffff80f339a0 <native_lapic_disable>, eoi = 0xffffffff80f33a00 <native_lapic_eoi>, id = 0xffffffff80f33a40 <native_lapic_id>, intr_pending = 0xffffffff80f33a80 <native_lapic_intr_pending>, set_logical_id = 0xffffffff80f33ad0 <native_lapic_set_logical_id>, cpuid = 0xffffffff80f33b10 <native_apic_cpuid>, alloc_vector = 0xffffffff80f33b20 <native_apic_alloc_vector>, alloc_vectors = 0xffffffff80f33c90 <native_apic_alloc_vectors>, enable_vector = 0xffffffff80f33ec0 <native_apic_enable_vector>, disable_vector = 0xffffffff80f33ef0 <native_apic_disable_vector>, free_vector = 0xffffffff80f33f00 <native_apic_free_vector>, enable_pmc = 0xffffffff80f34110 <native_lapic_enable_pmc>, disable_pmc = 0xffffffff80f34200 <native_lapic_disable_pmc>, reenable_pmc = 0xffffffff80f34260 <native_lapic_reenable_pmc>, enable_cmc = 0xffffffff80f342c0 <native_lapic_enable_cmc>, ipi_raw = 0xffffffff80f34310 <native_lapic_ipi_raw>, ipi_vectored = 0xffffffff80f343d0 <native_lapic_ipi_vectored>, ipi_wait = 0xffffffff80f34470 <native_lapic_ipi_wait>, set_lvt_mask = 0xffffffff80f34550 <native_lapic_set_lvt_mask>, set_lvt_mode = 0xffffffff80f34650 <native_lapic_set_lvt_mode>, set_lvt_polarity = 0xffffffff80f347e0 <native_lapic_set_lvt_polarity>, set_lvt_triggermode = 0xffffffff80f348f0 <native_lapic_set_lvt_triggermode>} -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQF8BAEBCgBmBQJU46TUXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRCQUFENDYzMkU3MTIxREU4RDIwOTk3REQx MjAxRUZDQTFFNzI3RTY0AAoJEBIB78oecn5kX4QH/1NDTE1MSD0ni/UbPqBKYTFd Q6kgOVgX+fanXbI/dYGbZN0wFytxRl83Rm0bfZXrL8aUEJmFXDetsJDky5hKPl+2 F9nZXo3KOKgoAQ0K96rE+MUiKe1lQuSfxZggvMZQd6lTHSJDPriLytEPAf2DIOYk +31AtLmXlyx10yaRfhMBdMI7KDcIf22p8rU3eOv0xCK11QthXIohAbdfjW4RkXl1 VzF3VZ6TdJksvpDihREOfAkTCCMjeERCLT8lSQPBfogGIU0E7LE1SqfCQ9jagTBz nDCDyVDkpJT91Dn3FiCKmbOi7Rw78DAVMYBS+riWVXC64wKrXpqgg85+1npU4so= =odRC -----END PGP SIGNATURE-----Received on Tue Feb 17 2015 - 19:30:19 UTC
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