the change mentioned in the article is in the kernel - at least 4.11.2 - IMini Trader wrote:
> More information. I found a post here:
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/ 1650635
>
> They mention LRO so I disabled it. I cannot reproduce if LRO is disabled.
>
> On Mon, Jul 3, 2017 at 5:59 PM, Mini Trader <miniflowtrader@gmail.com>
> wrote:
>
>> Looks to be the same.
>>
>> On Mon, Jul 3, 2017 at 5:48 PM, deloptes <deloptes@gmail.com> wrote:
>>
>>> Mini Trader wrote:
>>>
>>> > task_numa_fault+0x6ed/0xd20
>>>
>>> what happens if you boot the vm with numa=off
>>>
>>>
>>>
>>>
>>
don't know about your version. The article is about 4.4.
perhaps solved by chance - you have to report back to kernel maintainer I
guess
4.11.2 and 4.10.14
line nr 1395 to 1415
if (VMXNET3_VERSION_GE_2(adapter) &&
rcd->type == VMXNET3_CDTYPE_RXCOMP_LRO) {
struct Vmxnet3_RxCompDescExt *rcdlro;
rcdlro = (struct Vmxnet3_RxCompDescExt
*)rcd;
segCnt = rcdlro->segCnt;
WARN_ON_ONCE(segCnt == 0);
mss = rcdlro->mss;
if (unlikely(segCnt <= 1))
segCnt = 0;
} else {
segCnt = 0;
}
} else {
BUG_ON(ctx->skb == NULL && !skip_page_frags);
/* non SOP buffer must be type 1 in most cases */
BUG_ON(rbi->buf_type != VMXNET3_RX_BUF_PAGE);
BUG_ON(rxd->btype != VMXNET3_RXD_BTYPE_BODY);