[Xen-devel] 答复: Help: a xen crash of 4.8.2 version/////答复: Is there a faster way to restore Virtual machine status in Xen?

["Chenjia (C)" <chenjia09@xxxxxxxxxx>]

Dear Jan:


We have try the last xen version 4.9.2(we check the commit c9afe26e5d: sync CPU 
state upon final domain destruction is also in 4.9.2, is this the same as 
commit 472d596042? ) ,and we got the following message in linux console, the 
server seems have block, and unreachable:


linux-user:~ # 
Message from syslogd@linux at Jun 29 12:31:33 ...
 kernel:[ 3087.656888] page:ffff882b18d5e648 count:-5632 mapcount:998504225 
mapping:000000000000001f index:0xffffea006b4c2220

Message from syslogd@linux at Jun 29 12:31:33 ...
 kernel:[ 3087.656896] flags: 0xba00000051(locked|dirty|active)

Message from syslogd@linux at Jun 29 12:31:33 ...
 kernel:[ 3087.659877] page:ffffea003b1ff240 count:0 mapcount:-127 mapping:     
     (null) index:0x1

Message from syslogd@linux at Jun 29 12:31:33 ...
 kernel:[ 3087.659880] flags: 0x17ffffc0000000()

Message from syslogd@linux at Jun 29 12:31:33 ...
 kernel:[ 3087.663693] page:ffffea003a5b06c0 count:0 mapcount:-127 mapping:     
     (null) index:0x1

Message from syslogd@linux at Jun 29 12:31:33 ...
 kernel:[ 3087.663695] flags: 0x17ffffc0000000()

Message from syslogd@linux at Jun 29 12:31:33 ...
 kernel:[ 3087.666303] page:ffff882b18dde648 count:-30677 mapcount:0 
mapping:000000000000001f index:0x1

Message from syslogd@linux at Jun 29 12:31:33 ...
 kernel:[ 3087.666307] flags: 0xba0000009b(locked|error|uptodate|dirty|slab)



the xen debug information please see the attach file



Best Regards



-----邮件原件-----
发件人: Jan Beulich [mailto:jbeulich@xxxxxxxx] 
发送时间: 2018年6月29日 13:41
收件人: Chenjia (C) <chenjia09@xxxxxxxxxx>
抄送: Shentao (Terry) <shentao8@xxxxxxxxxx>; wangxu (R) <wangxu0@xxxxxxxxxx>; 
zhaobingjian <zhaobingjian@xxxxxxxxxx>; xen-devel@xxxxxxxxxxxxxxxxxxxx
主题: Re: [Xen-devel] Help: a xen crash of 4.8.2 version/////答复: Is there a 
faster way to restore Virtual machine status in Xen?

>>> "Chenjia (C)" <chenjia09@xxxxxxxxxx> 06/29/18 6:27 AM >>>
>We meet a xen bug in our project(our project job is descript in the last 
>email),  the crash information is this:

Before sending bug reports, may I ask that you test against latest code (at the 
very least the latest on the branch in question). In the particular case here 
I'd very much hope that your problem was already fixed in 4.8.3, commit 
472d596042.

Jan

Attachment: session_112.log
Description: session_112.log

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