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xen-devel
RE: [Xen-devel] [BUG] X86-64 dom0 oops if dom0_mem not specified
Jerone Young wrote:
>> From my observations if you don't pass dom0_mem or you pass dom0_mem
> with a value greater that 256000, Dom0 will oops on boot. Here is some
> output from the oops:
I'm taking a look at this problem.
Jun
>
> (XEN) *** LOADING DOMAIN 0 ***
> (XEN) Xen-ELF header found:
> 'GUEST_OS=linux,GUEST_VER=2.6,XEN_VER=3.0,VIRT_BASE'(XEN) PHYSICAL
> MEMORY ARRANGEMENT:
> (XEN) Dom0 alloc.: 0000000040000000->0000000080000000 (641881 pages
> to be al)(XEN) VIRTUAL MEMORY ARRANGEMENT:
> (XEN) Loaded kernel: ffffffff80100000->ffffffff80516085
> (XEN) Init. ramdisk: ffffffff80517000->ffffffff80517000
> (XEN) Phys-Mach map: ffffffff80517000->ffffffff80889d64
> (XEN) Page tables: ffffffff8088a000->ffffffff80893000
> (XEN) Start info: ffffffff80893000->ffffffff80894000
> (XEN) Boot stack: ffffffff80894000->ffffffff80895000
> (XEN) TOTAL: ffffffff80000000->ffffffff80c00000
> (XEN) ENTRY ADDRESS: ffffffff80100000
> (XEN) Scrubbing Free RAM: ....................................done.
> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
> input to Xe. Xen: 0000000000000000 - 00000000dcb59000 (usable)
> (XEN) BUG at domain.c:136
> (XEN) CPU: 0
> (XEN) EIP: 0810:[<ffff830000107369>]
> (XEN) EFLAGS: 0000000000010292
> (XEN) rax: 0000000000000000 rbx: ffff830000fecb80 rcx:
> 00000000000003f8 r5(XEN) rsi: 000000000000000a rdi:
> ffff830000160474 rbp: 00000000dcb59000 r8(XEN) r8:
> 0000000000000036 r9: 0000000000001996 r10: 0000000000000001
> r4(XEN) r12: ffffffff80a95b50 r13: 000000000000016a r14:
> 0000000000000001 r8(XEN) Stack trace from RSP=ffff830000105ee8:
> (XEN) [ffff830000107450] ffff830000fea080 00000000dcb59000
> [ffff83000010745
> (XEN) 000000000000016a ffffffff80a95b50 00000000dcb59000
> ffffffff80c00000 0
> (XEN) 0000000000000000 0000000000000000 0000000000000000
> 0000000000000000 f
> (XEN) 0000000000010216 ffffffff80104040 000000000000082b
> 0000000000000000 0
> (XEN) 0000000000000000 0000000000000000 ffff830000fea080
> (XEN) Call Trace from RSP=ffff830000105ee8:
> (XEN) [<ffff830000107450>] [<ffff830000107459>]
> [<ffff830000137596>]
>
> ****************************************
> CPU0 FATAL TRAP: vector = 6 (invalid operand)
> [error_code=0000]
> Aieee! CPU0 is toast...
> ****************************************
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