From: Jakub Kicinski <kuba@kernel.org>
To: Mark Bloch <mbloch@nvidia.com>
Cc: Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Tariq Toukan <tariqt@nvidia.com>,
Leon Romanovsky <leon@kernel.org>,
Saeed Mahameed <saeedm@nvidia.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
Gal Pressman <gal@nvidia.com>,
linux-rdma@vger.kernel.org, Alexei Lazar <alazar@nvidia.com>
Subject: Re: [PATCH net V2 10/11] net/mlx5e: Update and set Xon/Xoff upon port speed set
Date: Thu, 11 Sep 2025 07:36:30 -0700 [thread overview]
Message-ID: <20250911073630.14cd6764@kernel.org> (raw)
In-Reply-To: <fdd4a537-8fa3-42ae-bfab-80c0dc32a7c2@nvidia.com>
On Thu, 11 Sep 2025 17:25:22 +0300 Mark Bloch wrote:
> On 11/09/2025 16:47, Jakub Kicinski wrote:
> > On Wed, 10 Sep 2025 17:00:11 -0700 Jakub Kicinski wrote:
> >> Hi, this is breaking dual host CX7 w/ 28.45.1300 (but I think most
> >> older FW versions, too). Looks like the host is not receiving any
> >> mcast (ping within a subnet doesn't work because the host receives
> >> no ndisc), and most traffic slows down to a trickle.
> >> Lost of rx_prio0_buf_discard increments.
> >>
> >> Please TAL ASAP, this change went to LTS last week.
> >
> > Any news on this? I heard that it also breaks DCB/QoS configuration
> > on 6.12.45 LTS.
>
> We are looking into this, once we have anything I'll update.
> Just to make sure, reverting this is one commit solves the
> issue you are seeing?
It did for me, but Daniel (who is working on the PSP series)
mentioned that he had reverted all three to get net-next working:
net/mlx5e: Set local Xoff after FW update
net/mlx5e: Update and set Xon/Xoff upon port speed set
net/mlx5e: Update and set Xon/Xoff upon MTU set
next prev parent reply other threads:[~2025-09-11 14:36 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-25 14:34 [PATCH net V2 00/11] mlx5 misc fixes 2025-08-25 Mark Bloch
2025-08-25 14:34 ` [PATCH net V2 01/11] net/mlx5: HWS, Fix memory leak in hws_pool_buddy_init error path Mark Bloch
2025-08-25 14:34 ` [PATCH net V2 02/11] net/mlx5: HWS, Fix memory leak in hws_action_get_shared_stc_nic error flow Mark Bloch
2025-08-25 14:34 ` [PATCH net V2 03/11] net/mlx5: HWS, Fix uninitialized variables in mlx5hws_pat_calc_nop " Mark Bloch
2025-08-25 14:34 ` [PATCH net V2 04/11] net/mlx5: HWS, Fix pattern destruction in mlx5hws_pat_get_pattern error path Mark Bloch
2025-08-25 14:34 ` [PATCH net V2 05/11] net/mlx5: Reload auxiliary drivers on fw_activate Mark Bloch
2025-08-25 14:34 ` [PATCH net V2 06/11] net/mlx5: Fix lockdep assertion on sync reset unload event Mark Bloch
2025-08-25 14:34 ` [PATCH net V2 07/11] net/mlx5: Nack sync reset when SFs are present Mark Bloch
2025-08-25 14:34 ` [PATCH net V2 08/11] net/mlx5: Prevent flow steering mode changes in switchdev mode Mark Bloch
2025-08-25 14:34 ` [PATCH net V2 09/11] net/mlx5e: Update and set Xon/Xoff upon MTU set Mark Bloch
2025-08-25 14:34 ` [PATCH net V2 10/11] net/mlx5e: Update and set Xon/Xoff upon port speed set Mark Bloch
2025-09-11 0:00 ` Jakub Kicinski
2025-09-11 13:47 ` Jakub Kicinski
2025-09-11 14:25 ` Mark Bloch
2025-09-11 14:36 ` Jakub Kicinski [this message]
2025-09-15 7:38 ` Tariq Toukan
2025-09-17 10:39 ` Tariq Toukan
2025-09-17 13:00 ` Daniel Zahka
2025-09-17 13:38 ` Tariq Toukan
2025-08-25 14:34 ` [PATCH net V2 11/11] net/mlx5e: Set local Xoff after FW update Mark Bloch
2025-08-27 1:10 ` [PATCH net V2 00/11] mlx5 misc fixes 2025-08-25 patchwork-bot+netdevbpf
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