[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] [PATCH] support HVM guests with more than 3.75G memory
> >>Interesting - the crash is in the [optional] 'guess_wrmap' function >>which is trying to fast path the lookup of a particular va. Can you >>try temporarily disabling this optimization and retrying? Just edit >>xen/include/asm-x86/shadow2.c to replace >> >>#define SHADOW2_OPTIMZATIONS 0x03 >> >>with >> >>#define SHADOW2_OPTIMZATIONS 0x02 >> > >Your suggestion works for me, and windows 2003 server can boot with 5G >memory on 64bit xen. >But after I played with it for some time, qemu dm window disappeared, >and xen console reported: > >(XEN) sh2 error: sh2_remove_shadows(): can't find all shadows of mfn >1b2ddd (shadow2_flags=00000100) >(XEN) domain_crash called from shadow2-common.c:2251 >(XEN) Domain 8 (vcpu#0) crashed on cpu#3: >(XEN) ----[ Xen-3.0-unstable Not tainted ]---- >(XEN) CPU: 3 >(XEN) RIP: 0008:[<0000000080862ca2>] >(XEN) RFLAGS: 0000000000010256 CONTEXT: hvm >(XEN) rax: 0000000067e97001 rbx: 0000000000000000 rcx: >0000000000000010 >(XEN) rdx: 00000000ba482b68 rsi: 0000000000000000 rdi: >00000000f7aa82a0 >(XEN) rbp: 00000000ba482b94 rsp: 00000000ba482b54 r8: >0000000000000000 >(XEN) r9: 0000000000000000 r10: 0000000000000000 r11: >0000000000000000 >(XEN) r12: 0000000000000000 r13: 0000000000000000 r14: >0000000000000000 >(XEN) r15: 0000000000000000 cr0: 0000000080010031 cr3: >00000000001a17a0 >(XEN) ds: 0023 es: 0023 fs: 0030 gs: 0000 ss: 0010 cs: 0008 >(XEN) sh2_update_paging_modes: postponing determination of shadow2 mode >(XEN) vmx_do_launch(): GUEST_CR3<=001a17a0, HOST_CR3<=222b8b000 Hi Steven, I still saw this bug, I think it should be fixed for xen 3.0.3. thanks -Xin >With less than 4G RAM, I didn't see this error. > >Thanks >-Xin > >_______________________________________________ >Xen-devel mailing list >Xen-devel@xxxxxxxxxxxxxxxxxxx >http://lists.xensource.com/xen-devel > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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