All of lore.kernel.org
 help / color / mirror / Atom feed
From: Jon Hunter <jonathanh@nvidia.com>
To: Joakim Zhang <qiangqing.zhang@nxp.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-tegra <linux-tegra@vger.kernel.org>,
	Jakub Kicinski <kuba@kernel.org>
Subject: Regression v5.12-rc3: net: stmmac: re-init rx buffers when mac resume back
Date: Wed, 24 Mar 2021 10:50:38 +0000	[thread overview]
Message-ID: <708edb92-a5df-ecc4-3126-5ab36707e275@nvidia.com> (raw)

Hi Joakim,

Starting with v5.12-rc3 I noticed that one of our boards, Tegra186
Jetson TX2, was not long resuming from suspend. Bisect points to commit
9c63faaa931e ("net: stmmac: re-init rx buffers when mac resume back")
and reverting this on top of mainline fixes the problem.

Interestingly, the board appears to partially resume from suspend and I
see ethernet appear to resume ...

 dwc-eth-dwmac 2490000.ethernet eth0: configuring for phy/rgmii link
 mode
 dwmac4: Master AXI performs any burst length
 dwc-eth-dwmac 2490000.ethernet eth0: No Safety Features support found
 dwc-eth-dwmac 2490000.ethernet eth0: Link is Up - 1Gbps/Full - flow
 control rx/tx

I don't see any crash, but then it hangs at some point. Please note that
this board is using NFS for mounting the rootfs.

Let me know if there is any more info I can provide or tests I can run.

Thanks
Jon



             reply	other threads:[~2021-03-24 10:51 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-24 10:50 Jon Hunter [this message]
2021-03-24 12:20 ` Regression v5.12-rc3: net: stmmac: re-init rx buffers when mac resume back Joakim Zhang
2021-03-24 12:39   ` Jon Hunter
2021-03-25  7:53     ` Joakim Zhang
2021-03-25  8:00       ` Jon Hunter
2021-03-25  8:12         ` Joakim Zhang
2021-03-30 12:50           ` Jon Hunter
2021-03-31  7:43             ` Joakim Zhang
2021-03-31 11:10               ` Joakim Zhang
2021-03-31 11:29                 ` Jon Hunter
2021-03-31 11:41                   ` Joakim Zhang
2021-04-01 16:28                     ` Jon Hunter
2021-04-13  8:41                       ` Jon Hunter
2021-04-13 12:13                         ` Joakim Zhang
2021-04-13 16:06                           ` Thierry Reding
2021-04-13 16:43                             ` Jakub Kicinski
2021-04-14  2:18                             ` Joakim Zhang
2021-04-14  7:40                               ` Thierry Reding
2021-04-14  8:06                                 ` Joakim Zhang
2021-04-14 12:22                                   ` Joakim Zhang
2021-03-31 11:11               ` Jon Hunter

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=708edb92-a5df-ecc4-3126-5ab36707e275@nvidia.com \
    --to=jonathanh@nvidia.com \
    --cc=kuba@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-tegra@vger.kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=qiangqing.zhang@nxp.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.