WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] Re: [xen-unstable test] 7577: regressions - FAIL

To: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Re: [xen-unstable test] 7577: regressions - FAIL
From: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Date: Wed, 15 Jun 2011 11:31:51 +0100
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Wed, 15 Jun 2011 03:32:49 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <19960.33172.557812.216859@xxxxxxxxxxxxxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <osstest-7577-mainreport@xxxxxxx> <19960.33172.557812.216859@xxxxxxxxxxxxxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.21 (2010-09-15)
At 10:55 +0100 on 15 Jun (1308135332), Ian Jackson wrote:
> Ian Jackson writes ("[xen-unstable test] 7577: regressions - FAIL"):
> >  test-amd64-amd64-xl          11 guest-localmigrate     fail   REGR. vs. 
> > 7285
> 
> Hypervisor crash.

Yay!  I was trying to reproduce this and seeing a problem with old
domains not dying (looked like a refcount error) but I couldn't make
that go away by going back to much older hypervisors than the "good"
one. 

This looks much more tractable. :)

Tim.

>  Assertion 'paging_mode_translate(p2m->domain)' failed at p2m-pt.c:686
>  ----[ Xen-4.2-unstable  x86_64  debug=y  Not tainted ]----
>  CPU:    6
>  RIP:    e008:[<ffff82c4801d243c>] p2m_gfn_to_mfn+0x36/0x8e8
>  RFLAGS: 0000000000010246   CONTEXT: hypervisor
>  rax: ffff830239e63000   rbx: ffff8302392e7b68   rcx: ffff8302392e78d8
>  rdx: ffff8302392e78dc   rsi: 0000000000203f58   rdi: ffff83023e6d5d30
>  rbp: ffff8302392e7868   rsp: ffff8302392e7818   r8:  0000000000000002
>  r9:  00000000002050ff   r10: 00ff00ff00ff00ff   r11: 0f0f0f0f0f0f0f0f
>  r12: ffff83023e6d5d30   r13: 0000000000000002   r14: 0000000000203f58
>  r15: ffff83023e6d5d30   cr0: 000000008005003b   cr4: 00000000000026f4
>  cr3: 000000017d28a000   cr2: ffff88000759f5e0
>  ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e010   cs: e008
>  Xen stack trace from rsp=ffff8302392e7818:
>     ffff8302392e78dc 0000000039e63000 7000000000000000 ffff82f60479cec0
>     000000000023ce76 ffff8302392e7b68 ffff8300bf687000 0000000000000000
>     0000000000203f58 ffff83023e6d5d30 ffff8302392e7908 ffff82c4801d8fbf
>     00000002392e7f18 ffff88000759f5e0 0000000000000880 ffff82f6040a1480
>     00000000002050a4 ffff830239e63000 ffff82f6040a1490 0000000000000100
>     ffff8140a0502000 0000000300800167 0000000000800000 0000000000000000
>     000000000023ce76 ffff8302392e7c38 ffff8300bf687000 0000000000000000
>     ffff8300bf687000 ffff830239e63000 ffff8302392e7be8 ffff82c480200f37
>     ffff8140a0502000 ffff82c480164814 ffff8302392c3000 ffff8302392e7f18
>     ffff82c4802d9668 ffff8302392e7f18 ffff8302392e7f18 ffff8302392e7f18
>     ffff8302392e7f18 ffff82c4802d9660 ffff8300bf2f5000 0000000000000000
>     ffff8302392e7a08 ffff8302392e7c38 ffff88000759f5e0 ffff82c48016eb45
>     ffff830239e63ab0 ffff830239e63220 800000023dcc0165 000000000023ba5a
>     ffff830239e63b20 0000000000000cf8 00000000000001d0 0000000000000000
>     0000000000000880 0000000000000008 00000000000000f0 ffff8300bf687920
>     ffff830239e63ab0 ffff8302392e7e68 ffff8302392e7a58 ffff82c48016ec22
>     ffff880002e75dc8 0000000000000000 800000023dcc0165 000ffff88000759f
>     0000000000000000 0000000000000000 0000000000000049 0000000000000049
>     ffff8302392e7e58 ffff82c480190e3b 0000000000000000 ffff830239e63000
>     ffff8302392e7ae8 0000000280167c7c 00000000c6d18547 0000000000000100
>  Xen call trace:
>     [<ffff82c4801d243c>] p2m_gfn_to_mfn+0x36/0x8e8
>     [<ffff82c4801d8fbf>] guest_walk_tables_4_levels+0x192/0x863
>     [<ffff82c480200f37>] sh_page_fault__guest_4+0x599/0x2212
>     [<ffff82c480181522>] do_page_fault+0x3d3/0x594
>     [<ffff82c48021332e>] handle_exception_saved+0x30/0x6e
>     [<ffff82c48018201c>] __copy_to_user_ll+0x2c/0x39
>     [<ffff82c480154056>] update_runstate_area+0xfc/0xff
>     [<ffff82c480157b04>] context_switch+0xda1/0xdc6
>     [<ffff82c48012242c>] schedule+0x5fc/0x624
>     [<ffff82c4801236a7>] __do_softirq+0x88/0x99
>     [<ffff82c480123722>] do_softirq+0x6a/0x7a
>     [<ffff82c4801561f5>] idle_loop+0x64/0x69
>     
>  
>  ****************************************
>  Panic on CPU 6:
>  Assertion 'paging_mode_translate(p2m->domain)' failed at p2m-pt.c:686
>  ****************************************
> 
> Ian.
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Xen Platform Team
Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel