Re: [Xen-devel] backport requests for 4.x-testing

[Teck Choon Giam <giamteckchoon@xxxxxxxxx>]

On Thu, Mar 29, 2012 at 11:11 PM, Konrad Rzeszutek Wilk
<konrad.wilk@xxxxxxxxxx> wrote:
> On Thu, Mar 29, 2012 at 07:32:36PM +0800, Teck Choon Giam wrote:
>> On Thu, Mar 29, 2012 at 5:22 PM, Keir Fraser <keir@xxxxxxx> wrote:
>> > On 24/03/2012 18:27, "Konrad Rzeszutek Wilk" <konrad.wilk@xxxxxxxxxx> 
>> > wrote:
>> >
>> >> On Tue, Mar 06, 2012 at 11:04:13AM +0000, Andrew Cooper wrote:
>> >>> On 06/03/12 10:13, Jan Beulich wrote:
>> >>>> For a (hopefully soon) upcoming 4.1.3 and 4.0.4, may I ask to consider
>> >>>> the following changesets from -unstable for backporting:
>> >>
>> >> And also these:
>> >> 24140 tools: xend: tolerate empty state/*.xml
>> >> 23412 libxc: xc_domain_set_memory_map, xc_get_machine_memory_map (x86, 
>> >> amd64
>> >> only)
>> >> 23632 libxc: Squash xc_e820.h (and delete) into xenctrl.h
>> >> 23225 x86: make the pv-only e820 array be dynamic.
>> >> 23426 libxl: Add support for passing in the host's E820 for PCI 
>> >> passthrough
>> >> 23428 libxl: Add 'e820_host' option to config file.
>> >> 23427 libxl: Convert E820_UNUSABLE and E820_RAM to E820_UNUSABLE as
>> >> appropriate.
>> >> 24013 x86,hvm: enable VCPUOP_register_vcpu_info op in hvm hypercall
>> >
>> > Applied 23225 and 24013. The other, toolstack-related, patches I will leave
>> > for a tools maintainer to ack or apply.
>>
> Hey Teck,
>
> Thanks for reporting!
>
>> With the two backport patches committed in xen-4.1-testing (changeset
>> 23271:13741fd6253b), xl list or xl create domU will cause 100% CPU and
>
> xl list?

After a reboot with no domU running, xl list is fine but if I start a
hvm domU will be stuck and caused high load then open another ssh
terminal to issue xl list will stuck as well.

>> stuck for couple minutes with high load average and lastly crash the
>> server.  Please consider to revert these two commits as I am not sure
>> which one is responsible for such crash.
>
> Hm, let me try seeing which one is the culprit. I think it is
> 23225 as it is suppose to go along the other tool one, but lets double check.

I actually tested with the list of patches you posted previously as
well and same issue.

Thanks.

Kindest regards,
Giam Teck Choon


>
>> # top -c
>>
>> top - 19:30:54 up 6 min,  4 users,  load average: 9.16, 4.34, 1.76
>> Tasks: 134 total,   4 running, 130 sleeping,   0 stopped,   0 zombie
>> Cpu(s):  0.1%us,  0.2%sy,  0.0%ni, 98.8%id,  0.2%wa,  0.0%hi,  0.0%si, 
>>  0.6%st
>> Mem:    355216k total,   179132k used,   176084k free,    14580k buffers
>> Swap:  2120568k total,        0k used,  2120568k free,    43896k cached
>>
>>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>>  2856 root      20   0 31832 1416 1008 R 99.0  0.4   5:52.98 xl create
>> /etc/xen/example-hvm-domU.cfg
>>     1 root      20   0 19368 1512 1220 S  0.0  0.4   0:00.35
>> /sbin/init
>>
>>
>> Thanks.
>>
>> Kindest regards,
>> Giam Teck Choon
>>
>>
>> >
>> >  -- Keir
>> >
>> >> which I've back-ported to 4.1 (please see attachments)
>> >>
>> >
>> >
>> >
>> > _______________________________________________
>> > Xen-devel mailing list
>> > Xen-devel@xxxxxxxxxxxxx
>> > http://lists.xen.org/xen-devel

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