From: Sasha Levin <sashal@kernel.org>
To: "Csókás Bence" <csokas.bence@prolan.hu>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
"David S . Miller" <davem@davemloft.net>,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
netdev@vger.kernel.org
Subject: Re: [PATCH AUTOSEL 5.19 24/33] fec: Restart PPS after link state change
Date: Thu, 8 Sep 2022 21:21:48 -0400 [thread overview]
Message-ID: <YxqVLDukdCpFKWd7@sashalap> (raw)
In-Reply-To: <243d3362-403d-7a94-34fa-12385100cc53@prolan.hu>
On Wed, Aug 31, 2022 at 03:02:46PM +0200, Csókás Bence wrote:
>
>On 2022. 08. 30. 19:18, Sasha Levin wrote:
>>From: Csókás Bence <csokas.bence@prolan.hu>
>>
>>[ Upstream commit f79959220fa5fbda939592bf91c7a9ea90419040 ]
>>
>>On link state change, the controller gets reset,
>>causing PPS to drop out and the PHC to lose its
>>time and calibration. So we restart it if needed,
>>restoring calibration and time registers.
>
>There is an ongoing investigation on netdev@ about a potential kernel
>panic on kernels newer than 5.12 with this patch applied. Please hold
>off on backporting to 5.19 until the bugfix is applied to upstream.
Will do.
--
Thanks,
Sasha
next prev parent reply other threads:[~2022-09-09 1:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20220830171825.580603-1-sashal@kernel.org>
2022-08-30 17:18 ` [PATCH AUTOSEL 5.19 21/33] netfilter: conntrack: work around exceeded receive window Sasha Levin
2022-08-30 17:18 ` [PATCH AUTOSEL 5.19 24/33] fec: Restart PPS after link state change Sasha Levin
2022-08-31 13:02 ` Csókás Bence
2022-09-09 1:21 ` Sasha Levin [this message]
2022-08-30 17:18 ` [PATCH AUTOSEL 5.19 25/33] net/core/skbuff: Check the return value of skb_copy_bits() Sasha Levin
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