Jerone Young
2005-Apr-26 14:53 UTC
[Xen-devel] [BUG] X86-64 dom0 oops if dom0_mem not specified
>From my observations if you don''t pass dom0_mem or you pass dom0_memwith a value greater that 256000, Dom0 will oops on boot. Here is some output from the oops: (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... **************************************** -- Jerone Young IBM Linux Technology Center jyoung5@us.ibm.com 512-838-1157 (T/L: 678-1157) _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
Nakajima, Jun
2005-Apr-27 15:21 UTC
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... > ****************************************_______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel