[Xen-devel] xen kernel crash at boot since 23598:b24018319772

[Christoph Egger <Christoph.Egger@xxxxxxx>]

Changeset 23598:b24018319772 causes the xen kernel crash at boot:


(XEN) Assertion 'spin_is_locked(&d->event_lock)' failed at irq.c:965
(XEN) ----[ Xen-4.2-unstable  x86_64  debug=y  Tainted:    C ]----
(XEN) CPU:    0
(XEN) RIP:    e008:[<ffff82c480160766>] pirq_spin_lock_irq_desc+0x2e/0xfb
(XEN) RFLAGS: 0000000000010246   CONTEXT: hypervisor
(XEN) rax: 0000000000000000   rbx: ffff830421db3e80   rcx: 0000000000000000
(XEN) rdx: 0000000000000292   rsi: ffff830421db3e80   rdi: ffff830421de9194
(XEN) rbp: ffff82c48029fd28   rsp: ffff82c48029fcf8   r8:  ffff82c48029fd18
(XEN) r9:  0000000000000000   r10: 0000000000001000   r11: ffffffffffffffc0
(XEN) r12: ffff830421de9000   r13: 000000000000002c   r14: ffff830421db3e80
(XEN) r15: 0000000000000000   cr0: 000000008005003b   cr4: 00000000000406f0
(XEN) cr3: 0000000420f2b000   cr2: 0000000000000000
(XEN) ds: 0013   es: 0013   fs: 0000   gs: 0000   ss: e010   cs: e008
(XEN) Xen stack trace from rsp=ffff82c48029fcf8:
(XEN)    ffff82c480134dfb ffff830421db3e80 ffff830421de9000 ffff830421de9000
(XEN)    00000000000000c7 ffff830421de91a8 ffff82c48029fd48 ffff82c48016351b
(XEN)    000000000000000a 000000000000000c ffff82c48029fe18 ffff82c4801635dc
(XEN)    ffff82c48029ff18 ffff82c48029fd68 ffff830421db3d00 ffff830421dc2e80
(XEN)    ffff830421db1980 ffff830421db1b00 ffff830421db1c00 ffff830421db1880
(XEN)    ffff830421db1700 ffff830421db1600 ffff830421db1500 ffff830421db3f80
(XEN)    ffff830421db3e80 ffff830421db3e00 ffffffff8020d2df ffff82c48029ff18
(XEN)    ffff82c48029ff08 ffff82c4801812a2 000000000000f800 ffff8300cfd92000
(XEN)    ffffffff80bd85c8 0000000000000001 0000000000000000 0000000000000001
(XEN)    ffff82c48029feb8 ffff82c480174a63 ffff82c48029fe88 0000000000000092
(XEN)    ffff8300cfd92000 000000005f129b56 0000001300000001 000082c400000000
(XEN)    ffff82c480123806 00ff830421db3ee8 ffff82c48029feb8 ffff82c480126453
(XEN)    0000000800000008 ffffffff8020d2df ffff82c48029feb8 ffff82c480182e4e
(XEN)    ffffffff80bd85c0 0000000000002480 0000000000000001 0000000000000000
(XEN)    ffff82c48029fef8 ffff82c48014e671 0000000000000004 0000000000000000
(XEN)    0000000000000000 ffffffff80c7e870 00000000deadbeef ffff8300cfd92000
(XEN)    00007d3b7fd600c7 ffff82c480216d78 ffffffff8010126a 0000000000000013
(XEN)    0000000000000001 0000000000000000 0000000000000001 0000000000002480
(XEN)    ffffffff80f3cd48 0000000000000005 0000000000000202 0000000000000000
(XEN)    ffffffff80993d23 0000000000000004 0000000000000013 ffffffff8010126a
(XEN) Xen call trace:
(XEN)    [<ffff82c480160766>] pirq_spin_lock_irq_desc+0x2e/0xfb
(XEN)    [<ffff82c48016351b>] pirq_guest_eoi+0x33/0x4b
(XEN)    [<ffff82c4801635dc>] pirq_guest_unmask+0xa9/0xdf
(XEN)    [<ffff82c480174a63>] do_physdev_op+0x403/0x1388
(XEN)    [<ffff82c48014e671>] do_physdev_op_compat+0x6c/0x7b
(XEN)    [<ffff82c480216d78>] syscall_enter+0xc8/0x122
(XEN)
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 0:
(XEN) Assertion 'spin_is_locked(&d->event_lock)' failed at irq.c:965
(XEN) ****************************************
(XEN)
(XEN) Reboot in five seconds...



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