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    SubjectRe: 2.6.32-rc not booting with Xen-3.2 (bisected)
    On Mon, 26 Oct 2009 at 18:14, Christian Kujau wrote:
    > Oh, I totally forgot about "xm dmesg", it's on the URL above too. I don't
    > see any timestamps in "xm dmesg", so I guess I'll have to try again with
    > "xm dmesg --clear" inbetween boots.

    Did that - when I boot a working kernel (2.6.31), "xm dmesg" prints
    nothing but a newline. When I boot 2.6.31-rc1, this happens:

    $ xm create sid.cfg -c
    Using config file "/etc/xen/sid.cfg".
    Started domain sid

    $ xm dmesg
    (XEN) mm.c:665:d889 Error getting mfn 127f (pfn 7403) from L1 entry 801000000127f065 for dom889
    (XEN) traps.c:413:d889 Unhandled invalid opcode fault/trap [#6] on VCPU 0 [ec=0000]
    (XEN) domain_crash_sync called from entry.S
    (XEN) Domain 889 (vcpu#0) crashed on cpu#0:
    (XEN) ----[ Xen-3.2.1-rc1-pre x86_64 debug=n Not tainted ]----
    (XEN) CPU: 0
    (XEN) RIP: e033:[<ffffffff812c50ad>]
    (XEN) RFLAGS: 0000000000000282 CONTEXT: guest
    (XEN) rax: 00000000ffffffea rbx: 800000000127f061 rcx: 000000000008885a
    (XEN) rdx: 0000000000000000 rsi: 800000000127f061 rdi: ffffffff8127f000
    (XEN) rbp: ffffffff81279fb8 rsp: ffffffff81279f18 r8: 0000000000000000
    (XEN) r9: 0000000000000000 r10: 0000000000000000 r11: 0000000000000000
    (XEN) r12: ffffffff8127f000 r13: 0000000000000000 r14: 0000000000000080
    (XEN) r15: ffffffff81279fc8 cr0: 000000008005003b cr4: 00000000000026b0
    (XEN) cr3: 00000000aa991000 cr2: 0000000000000000
    (XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e033
    (XEN) Guest stack trace from rsp=ffffffff81279f18:
    (XEN) 000000000008885a 0000000000000000 ffffffff812c50ad 000000010000e030
    (XEN) 0000000000010082 ffffffff81279f58 000000000000e02b ffffffff812c504c
    (XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000
    (XEN) 0000000000000000 ffffffff81279f60 0000008000000000 0000000000000000
    (XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000
    (XEN) 0000000000000000 ffffffff810197bd ffff8127f000007f 000000000000ffff
    (XEN) 0000000000000000 ffffffff812c4d19 0000000000000000 0000000000000000
    (XEN) 0000000000000000 ffffffff81385000 ffffffff81386000 ffffffff81387000
    (XEN) ffffffff81388000 ffffffff81389000 ffffffff8138a000 ffffffff8138b000
    (XEN) ffffffff8138c000 ffffffff8138d000 ffffffff8138e000 ffffffff8138f000
    (XEN) ffffffff81390000 ffffffff81391000 ffffffff81392000 ffffffff81393000
    (XEN) ffffffff81394000 ffffffff81395000 ffffffff81396000 ffffffff81397000
    (XEN) ffffffff81398000 ffffffff81399000 ffffffff8139a000 ffffffff8139b000
    (XEN) ffffffff8139c000 ffffffff8139d000 ffffffff8139e000 ffffffff8139f000
    (XEN) ffffffff813a0000 ffffffff813a1000 ffffffff813a2000 ffffffff813a3000
    (XEN) ffffffff813a4000 ffffffff813a5000 ffffffff813a6000 ffffffff813a7000
    (XEN) ffffffff813a8000 ffffffff813a9000 ffffffff813aa000 ffffffff813ab000
    (XEN) ffffffff813ac000 ffffffff813ad000 ffffffff813ae000 ffffffff813af000
    (XEN) ffffffff813b0000 ffffffff813b1000 ffffffff813b2000 ffffffff813b3000
    (XEN) ffffffff813b4000 ffffffff813b5000 ffffffff813b6000 ffffffff813b7000


    Also, "xm list" takes very long to complete now:

    $ time xm list sid
    Name ID Mem VCPUs State Time(s)
    sid 906 512 1 --p--- 0.0
    real 0m10.677s user 0m0.108s sys 0m0.028s


    HTH,
    Christian.
    --
    BOFH excuse #43:

    boss forgot system password


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