Re: [Xen-devel] xenwatch: page allocation failure: order:4, mode:0x10c0d0 xen_netback:xenvif_alloc: Could not allocate netdev for vif16.0

[Sander Eikelenboom <linux@xxxxxxxxxxxxxx>]

Tuesday, November 19, 2013, 2:51:54 PM, you wrote:

> On Tue, Nov 19, 2013 at 01:41:12PM +0000, David Vrabel wrote:
>> On 19/11/13 13:02, Sander Eikelenboom wrote:
>> > Hi Wei,
>> > 
>> > I ran into the following problem when trying to boot another guest after 
>> > less than a day of uptime.
>> > (the system started 15 guests at boot already which went fine). dom0 is 
>> > allocated a fixed 1536M.
>> > 
>> > Both host as pv guests run the same kernel, some hvm's run a slightly 
>> > older kernel (3.9 f.e.)
>> > 
>> > The are quite some granttable messages in xl dmesg, i also included these 
>> > and a "vmstat -m"
>> 
>> Thread-per-VIF made the VIF's net device structure enormous.
>> 
>> This is fixed by 74d332c13b2148ae934ea94dac1745ae92efe8e5 (net: extend
>> net_device allocation to vmalloc()).
>> 

Ah thanks, the merge window had some other surprises so i had to revert back to 
3.12,
will try the cherry-pick .. thx for the pointer !

--
Sander


> Thanks David.

> Sander, you can also try to cherry-pick the above patch to see if it
> works.

> Wei.

>> David



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