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[Xen-devel] Re: AMD IOMMU related boot failure due to page coalescing c/

from [Wei Wang2] [Permanent Link][Original]
To: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Subject: [Xen-devel] Re: AMD IOMMU related boot failure due to page coalescing c/s 23767
From: Wei Wang2 <wei.wang2@xxxxxxx>
Date: Fri, 19 Aug 2011 18:12:56 +0200
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "keir@xxxxxxx" <keir@xxxxxxx>
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Oh, that is another issue that I haven't got time to look at...
you could use iommu=no-perdev-vector-map to workaround this.
Thanks,
Wei

On Friday 19 August 2011 17:59:41 Ian Jackson wrote:
> I wrote:
> > The machine in question does have a reasonable amount of RAM.  And
> > yes, thanks, your patch fixes it for me.
>
> But wait, actually it now crashes later !
>
> (XEN) Assertion 'test_bit(vector, cfg->used_vectors)' failed at
> io_apic.c:455 (XEN) ----[ Xen-4.2-unstable  x86_64  debug=y  Not tainted
> ]----
> (XEN) CPU:    0
> (XEN) RIP:    e008:[<ffff82c48015e062>]
> smp_irq_move_cleanup_interrupt+0x24d/0x2 cf
> (XEN) RFLAGS: 0000000000010046   CONTEXT: hypervisor
> (XEN) rax: 0000000000000000   rbx: 0000000000000051   rcx: ffff82c4802e0c60
> (XEN) rdx: 0000000000000051   rsi: 0000000000000001   rdi: ffff83021fe011b8
> (XEN) rbp: ffff82c4802a7e28   rsp: ffff82c4802a7da8   r8:  0000000000000001
> (XEN) r9:  ffff83021fff0108   r10: ffff83021fffa580   r11: 000000057f8429e5
> (XEN) r12: 0000000000000022   r13: ffff83021ff00890   r14: ffff83021fe011b4
> (XEN) r15: ffff82c4802a7f18   cr0: 000000008005003b   cr4: 00000000000006f0
> (XEN) cr3: 00000000dfcac000   cr2: 00000000c4463c80
> (XEN) ds: 007b   es: 007b   fs: 00d8   gs: 0033   ss: 0000   cs: e008
> (XEN) Xen stack trace from rsp=ffff82c4802a7da8:
> (XEN)    ffff82c4802a7f18 ffff82c4802a7de8 ffff82c4802a7f18
> ffff82c4802a7f18 (XEN)    ffff82c4802e0c60 ffff82c4802e0c60
> 0000005100000000 0000000000000000 (XEN)    ffff82c4802e0700
> 0000000000000002 ffff82c4802a7e10 ffff82c4802a7f18 (XEN)   
> ffff82c480253150 ffff82c4802a7f18 00000004481ab3c7 ffff82c4802502c0 (XEN)  
>  00007d3b7fd581a7 ffff82c48014e000 ffff82c4802502c0 00000004481ab3c7 (XEN) 
>   ffff82c4802a7f18 ffff82c480253150 ffff82c4802a7ee0 ffff82c4802a7f18 (XEN)
>    000000057f8429e5 ffff83021fffa580 ffff83021fff0108 0000000000000001
> (XEN)    0000000000000000 0000000000000000 ffff82c4802e06f0
> ffff82c4802e1180 (XEN)    0000000000000000[    7.392316] A 0000002000000000
> ffff82c480154153 0000 00000000e008DDRCONF(NETDEV_U
> (XEN)    0000000000000246 ffff82c4802a7ee0 0000000000000000
> ffff82c4802a7f10P): eth0: link i
> (XEN)    ffff82c4801571e6 0000000000000000 ffff8300dfafe000
> 0000000000000000s no t ready
>
> (XEN)    ffff8300dfcef000 ffff82c4802a7d48 0000000000000000
> 0000000000000000 (XEN)    0000000000000000 0000000000000000
> 00000000c4b7bec4 00000000b7d902c8 (XEN)    0000000000000000
> 0000000000000000 0000000000000000 0000000000000000 (XEN)   
> 0000000000000001 00000000c4463c80 0000000000000002 00000000c441d300 (XEN)  
>  0000000020185067 0000000e00000003 00000000c104da9e 0000000000000061 (XEN) 
>   0000000000000202 00000000c4b7beb0 0000000000000069 0000000000000000 (XEN)
>    0000000000000000 0000000000000000 0000000000000000 0000000000000000
> (XEN)    ffff8300dfafe000 0000000000000000 0000000000000000
> (XEN) Xen call trace:
> (XEN)    [<ffff82c48015e062>] smp_irq_move_cleanup_interrupt+0x24d/0x2cf
> (XEN)    [<ffff82c48014e000>] irq_move_cleanup_interrupt+0x30/0x40
> (XEN)    [<ffff82c480154153>] default_idle+0x81/0x86
> (XEN)    [<ffff82c4801571e6>] idle_loop+0x55/0x69
> (XEN)
> [    7.393691] i(XEN)
> (XEN) ****************************************
> (XEN) Panic on CPU 0:
> (XEN) Assertion 'test_bit(vector, cfg->used_vectors)' failed at
> io_apic.c:455 gb: eth0 NIC Lin(XEN)
> ****************************************
> (XEN)
> k is Up 1000 Mbp(XEN) Reboot in five seconds...
> s Full Duplex, F(XEN) Assertion 'test_bit(vector, cfg->used_vectors)'
> failed at io_apic.c:455
> (XEN) ----[ Xen-4.2-unstable  x86_64  debug=y  Not tainted ]----
> (XEN) CPU:    0
> (XEN) RIP:    e008:[<ffff82c48015e062>]
>  smp_irq_move_cleanup_interrupt+0x24d/0x2cf
> (XEN) RFLAGS: 0000000000010046   CONTEXT: hypervisor
> (XEN) rax: 0000000000000000   rbx: 0000000000000031   rcx: ffff82c4802e0c60
> (XEN) rdx: 0000000000000031   rsi: 0000000000000002   rdi: ffff83021fe00fb8
> (XEN) rbp: ffff82c4802a7968   rsp: ffff82c4802a78e8   r8:  0000000000000000
> (XEN) r9:  0000000000000048   r10: 00000000fffffffc   r11: 00000000fffffffe
> (XEN) r12: 000000000000001e   r13: ffff83021ff00790   r14: ffff83021fe00fb4
> (XEN) r15: ffff82c4802a7f18   cr0: 000000008005003b   cr4: 00000000000006f0
> (XEN) cr3: 00000000dfcac000   cr2: 00000000c4463c80
> (XEN) ds: 007b   es: 007b   fs: 00d8   gs: 0033   ss: 0000   cs: e008
> (XEN) Xen stack trace from rsp=ffff82c4802a78e8:
> (XEN)    ffff82c4802a7f18 ffff82c4802a7928 ffff82c4802a7f18
> ffff82c4802a7f18 (XEN)    ffff82c4802e0c60 ffff82c4802e0c60
> 0000003100000000 ffff82c4802a7aa8 (XEN)    ffff82c4802a7938
> ffff82c48013b831 ffff82c4802a7968 ffff83021fe00280 (XEN)   
> 0000000000000200 0000000000000004 ffff82c4802a7aa8 ffff82c4802c6568 (XEN)  
>  00007d3b7fd58667 ffff82c48014e000 ffff82c4802c6568 ffff82c4802a7aa8 (XEN) 
>   0000000000000004 0000000000000200 ffff82c4802a7a98 ffff83021fe00280 (XEN)
>    00000000fffffffe 00000000fffffffc 0000000000000048 0000000000000000
> (XEN)    0000000000000000 0000000000000000 ffff82c4802a7f18
> 0000000000000002 (XEN)    ffff83021fe002b4 0000002000000000
> ffff82c480123d9c 000000000000e008 (XEN)    0000000000000246
> ffff82c4802a7a20 0000000000000000 ffff82c480162be2 (XEN)   
> ffff82c480123df4 ffff82c4802a7a58 0000000000000004 ffff83021fe002b4 (XEN)  
>  ffff82c400000004 ffff82c4802a7e38 ffff82c4802a7a78 ffff82c48013aa69 (XEN) 
>   ffff82c4802a7a78 ffff82c4802457e0 0000000000000082 ffff82c48023532e (XEN)
>    00000000000001c7 0000000000000061 00007d3b7fd58537 ffff82c48015b3b6
> (XEN)    0000000000000061 00000000000001c7 ffff82c48023532e
> 0000000000000082 (XEN)    ffff82c4802a7b88 ffff82c4802457e0
> 00000000fffffffe 00000000fffffffc (XEN)    0000000000000048
> 0000000000000000 0000000000000000 0000000000000000 (XEN)   
> ffff82c4802a7f18 0000000000000002 ffff82c48025d3a0 000000f100000000 (XEN)  
>  ffff82c480176905 000000000000e008 0000000000000246 ffff82c4802a7b58 (XEN) 
>   0000000000000000 ffff82c4801768fd 0000138880245802 ffff82c4802457e0 (XEN)
> Xen call trace:
> (XEN)    [<ffff82c48015e062>] smp_irq_move_cleanup_interrupt+0x24d/0x2cf
> (XEN)    [<ffff82c48014e000>] irq_move_cleanup_interrupt+0x30/0x40
> (XEN)    [<ffff82c480123d9c>] _spin_unlock_irq+0x44/0x45
> (XEN)    [<ffff82c48015b3b6>] common_interrupt+0x26/0x30
> (XEN)    [<ffff82c480176905>] machine_restart+0x3d/0x1e2
> (XEN)    [<ffff82c48013b13d>] panic+0x18d/0x199
> (XEN)    [<ffff82c48017f85b>] do_invalid_op+0x3d1/0x458
> (XEN)    [<ffff82c480219d36>] handle_exception_saved+0x30/0x6e
> (XEN)    [<ffff82c48015e062>] smp_irq_move_cleanup_interrupt+0x24d/0x2cf
> (XEN)    [<ffff82c48014e000>] irq_move_cleanup_interrupt+0x30/0x40
> (XEN)    [<ffff82c480154153>] default_idle+0x81/0x86
> (XEN)    [<ffff82c4801571e6>] idle_loop+0x55/0x69
> (XEN)
> (XEN)
> (XEN) ****************************************
> (XEN) Panic on CPU 0:
> (XEN) Assertion 'test_bit(vector, cfg->used_vectors)' failed at
> io_apic.c:455 (XEN) ****************************************
> (XEN)
> (XEN) Reboot in five seconds...




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