Re: [Xen-devel] cs #19650 caused system panic when boot guest with passthrough device

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

Hopefully fixed by c/s 19682.

 -- Keir

On 30/05/2009 01:08, "Kay, Allen M" <allen.m.kay@xxxxxxxxx> wrote:

> I got the following system panic when I passthrough a PCI device using the
> latest xen-unstable tree.  I have narrowed it down to cs #19650: eliminate
> hard-coded NR_IRQS.
> 
> (XEN) ----[ Xen-3.4.0-rc4-pre  x86_64  debug=n  Not tainted ]----
> (XEN) CPU:    15
> (XEN) RIP:    e008:[<ffff828c8013c391>] __find_next_bit+0x21/0x70
> (XEN) RFLAGS: 0000000000010202   CONTEXT: hypervisor
> (XEN) rax: 0000000000000000   rbx: 0000000000000038   rcx: 0000000000000038
> (XEN) rdx: 0000000000000038   rsi: 0000000000000038   rdi: ff7f83007a376fe0
> (XEN) rbp: ffff83007cc169f0   rsp: ffff83007d78fe60   r8:  0000000000000061
> (XEN) r9:  00000000000000fc   r10: 0000000000000830   r11: 0000000000000020
> (XEN) r12: 0000000000000037   r13: ffff830000f80010   r14: 0000000000000898
> (XEN) r15: ffff83007a2c4000   cr0: 000000008005003b   cr4: 00000000000026f0
> (XEN) cr3: 000000007a365000   cr2: 0000000000c42c5c
> (XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: 0000   cs: e008
> (XEN) Xen stack trace from rsp=ffff83007d78fe60:
> (XEN)    ffff83007cc16150 ffff83007cc169f0 ffff828c8012f8e5 0000000001c9c380
> (XEN)    ffff830000f80438 ffff830000f80438 ffff83007a2c4178 0000000000000037
> (XEN)    ffff83007cc28000 ffff83007cc28000 ffff83007d796000 0000000000000000
> (XEN)    0000000000004016 ffff828c80243100 ffff828c8019b9aa ffff828c801188a8
> (XEN)    ffff83007d78ff28 ffff83007d78ff28 ffff828c80286900 ffff83007cc28000
> (XEN)    ffff83007cc28000 ffff83007d796000 0000001c8063eb1f 0000000000000000
> (XEN)    ffff828c8019b778 0000000000000000 ffffffff80590f00 ffffffffffffffff
> (XEN)    0000000000000000 0000000000093380 00000003a2498219 0000000000000000
> (XEN)    0000000000000001 00000000ffffffff 0000000000093380 00000003a2498219
> (XEN)    00000003a2498219 000000000000000f 000000002437ac19 ffffffff80561f48
> (XEN)    000000f000000000 ffffffff8020adb0 0000000000000000 0000000000000296
> (XEN)    ffffffff80561f68 0000000000000000 0000000000000000 0000000000000000
> (XEN)    0000000000000000 0000000000000000 000000000000000f ffff83007cc28000
> (XEN) Xen call trace:
> (XEN)    [<ffff828c8013c391>] __find_next_bit+0x21/0x70
> (XEN)    [<ffff828c8012f8e5>] hvm_dirq_assist+0xa5/0x2d0
> (XEN)    [<ffff828c8019b9aa>] vmx_intr_assist+0x5a/0x220
> (XEN)    [<ffff828c801188a8>] do_softirq+0x58/0x80
> (XEN)    [<ffff828c8019b778>] vmx_asm_do_vmentry+0x5/0xdd
> (XEN)    
> (XEN) 
> (XEN) ****************************************
> (XEN) Panic on CPU 15:
> (XEN) GENERAL PROTECTION FAULT
> (XEN) [error_code=0000]
> (XEN) ****************************************
> 
> 
> _______________________________________________
> 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