On 01/30/2017 08:47 AM, Vineeth Remanan Pillai wrote:
On 01/29/2017 03:09 PM, Boris Ostrovsky wrote:
There are couple of problems with this patch.
1. The 'if' clause now evaluates to true on pretty much every call to
xennet_alloc_rx_buffers().
Thanks for catching this. In my testing I did no
On 01/30/2017 09:06 AM, Boris Ostrovsky wrote:
On 01/30/2017 11:47 AM, Vineeth Remanan Pillai wrote:
2. It tickles a latent bug during resume where the timer triggers
before we re-connect. The trouble is that we now try to dereference
queue->rx.sring which is NULL since we disconnect in
netfro
On 01/30/2017 11:47 AM, Vineeth Remanan Pillai wrote:
>
>> 2. It tickles a latent bug during resume where the timer triggers
>> before we re-connect. The trouble is that we now try to dereference
>> queue->rx.sring which is NULL since we disconnect in
>> netfront_resume(). (Curiously, I only observ
On 01/29/2017 03:09 PM, Boris Ostrovsky wrote:
There are couple of problems with this patch.
1. The 'if' clause now evaluates to true on pretty much every call to
xennet_alloc_rx_buffers().
Thanks for catching this. In my testing I did not notice this - mostly
because of the nature of the wor
On 01/19/2017 11:35 AM, Vineeth Remanan Pillai wrote:
From: Vineeth Remanan Pillai
During an OOM scenario, request slots could not be created as skb
allocation fails. So the netback cannot pass in packets and netfront
wrongly assumes that there is no more work to be done and it disables
polli
From: Vineeth Remanan Pillai
Date: Thu, 19 Jan 2017 08:35:39 -0800
> From: Vineeth Remanan Pillai
>
> During an OOM scenario, request slots could not be created as skb
> allocation fails. So the netback cannot pass in packets and netfront
> wrongly assumes that there is no more work to be done
On 01/19/2017 09:11 AM, David Miller wrote:
From: Vineeth Remanan Pillai
Date: Thu, 19 Jan 2017 08:35:39 -0800
From: Vineeth Remanan Pillai
During an OOM scenario, request slots could not be created as skb
allocation fails. So the netback cannot pass in packets and netfront
wrongly assumes
From: Vineeth Remanan Pillai
Date: Thu, 19 Jan 2017 09:17:09 -0800
> Should I try sending it once again?
No need, it just showed up.
From: Vineeth Remanan Pillai
During an OOM scenario, request slots could not be created as skb
allocation fails. So the netback cannot pass in packets and netfront
wrongly assumes that there is no more work to be done and it disables
polling. This causes Rx to stall.
The issue is with the retry
From: Vineeth Remanan Pillai
Date: Thu, 19 Jan 2017 08:35:39 -0800
> From: Vineeth Remanan Pillai
>
> During an OOM scenario, request slots could not be created as skb
> allocation fails. So the netback cannot pass in packets and netfront
> wrongly assumes that there is no more work to be done
From: Vineeth Remanan Pillai
Date: Wed, 18 Jan 2017 09:02:17 -0800
>
> On 01/15/2017 10:24 PM, Juergen Gross wrote:
>> On 13/01/17 18:55, Remanan Pillai wrote:
>>> From: Vineeth Remanan Pillai
>>>
>>> During an OOM scenario, request slots could not be created as skb
>>> allocation fails. So the
On 01/18/2017 12:10 PM, David Miller wrote:
This v2 never made it into patchwork. I don't know why, so please resend it to
netdev with the accumulated reviewed-by etc. tags added.
Thanks.
Sorry about that. Will resend as a separate thread right away.
Thanks
This v2 never made it into patchwork. I don't know why, so please resend it to
netdev with the accumulated reviewed-by etc. tags added.
Thanks.
On 01/15/2017 10:24 PM, Juergen Gross wrote:
On 13/01/17 18:55, Remanan Pillai wrote:
From: Vineeth Remanan Pillai
During an OOM scenario, request slots could not be created as skb
allocation fails. So the netback cannot pass in packets and netfront
wrongly assumes that there is no more work
On 13/01/17 18:55, Remanan Pillai wrote:
> From: Vineeth Remanan Pillai
>
> During an OOM scenario, request slots could not be created as skb
> allocation fails. So the netback cannot pass in packets and netfront
> wrongly assumes that there is no more work to be done and it disables
> polling. T
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