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RE: [PATCH 2/6] Since Rx/Tx ring disconnects now no longer wait forever, we add some logging to catch those cases where the disconnect has timed out, indicating how many requests are still in the ring. This aids greatly with customer debugging.
- To: "paul@xxxxxxx" <paul@xxxxxxx>, "win-pv-devel@xxxxxxxxxxxxxxxxxxxx" <win-pv-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Martin Harvey <martin.harvey@xxxxxxxxxx>
- Date: Thu, 22 Jul 2021 18:21:37 +0000
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- Thread-topic: [PATCH 2/6] Since Rx/Tx ring disconnects now no longer wait forever, we add some logging to catch those cases where the disconnect has timed out, indicating how many requests are still in the ring. This aids greatly with customer debugging.
-----Original Message-----
From: Paul Durrant <xadimgnik@xxxxxxxxx>
Sent: 22 July 2021 13:34
To: Martin Harvey <martin.harvey@xxxxxxxxxx>; win-pv-devel@xxxxxxxxxxxxxxxxxxxx
Subject: Re: [PATCH 2/6] Since Rx/Tx ring disconnects now no longer wait
forever, we add some logging to catch those cases where the disconnect has
timed out, indicating how many requests are still in the ring. This aids
greatly with customer debugging.
> Why not. You can basically copy what TransmitterRingWatchdog() does, can't
> you? I.e. just call
>
> XENBUS_DEBUG(Trigger,
> &Transmitter->DebugInterface,
> Ring->DebugCallback);
> That should get you the logging you want, shouldn't it?
TBH, given that it was several months ago, I can't remember!!! <cry>!
MH.
- References:
- [PATCH 1/6] In some cases, the frontend may stop processing Tx ring requests in a timely manner. If this happens at the same time as ring disable, then the Tx code could spin forever at dispatch IRQL.
- [PATCH 2/6] Since Rx/Tx ring disconnects now no longer wait forever, we add some logging to catch those cases where the disconnect has timed out, indicating how many requests are still in the ring. This aids greatly with customer debugging.
- Re: [PATCH 2/6] Since Rx/Tx ring disconnects now no longer wait forever, we add some logging to catch those cases where the disconnect has timed out, indicating how many requests are still in the ring. This aids greatly with customer debugging.
- RE: [PATCH 2/6] Since Rx/Tx ring disconnects now no longer wait forever, we add some logging to catch those cases where the disconnect has timed out, indicating how many requests are still in the ring. This aids greatly with customer debugging.
- Re: [PATCH 2/6] Since Rx/Tx ring disconnects now no longer wait forever, we add some logging to catch those cases where the disconnect has timed out, indicating how many requests are still in the ring. This aids greatly with customer debugging.
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