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xen-devel
Re: [Xen-devel] xen kernel crash at boot since 23598:b24018319772
>>> On 30.06.11 at 14:06, Christoph Egger <Christoph.Egger@xxxxxxx> wrote:
> Changeset 23598:b24018319772 causes the xen kernel crash at boot:
That's likely not the one, but rather 23573:584c2e5e03d9. And
indeed it seems like the assertion is a stale leftover from the
original non-RCU version of the patch. There are a few more
similar ones which may similarly be candidates fro removal.
Keir, what's your take on this?
Jan
> (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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