From: khilman@baylibre.com (Kevin Hilman)
To: linus-amlogic@lists.infradead.org
Subject: [PATCH] ARM64: dts: meson-axg: fix ethernet stability issue
Date: Wed, 27 Jun 2018 16:10:24 -0700 [thread overview]
Message-ID: <7h6023keqn.fsf@baylibre.com> (raw)
In-Reply-To: <d59a60d1-d5fc-6d89-f89b-148c8e3f3521@baylibre.com> (Neil Armstrong's message of "Tue, 26 Jun 2018 10:07:26 +0200")
Neil Armstrong <narmstrong@baylibre.com> writes:
> On 25/06/2018 14:56, Jerome Brunet wrote:
>> Like the odroid-c2 and wetek, the s400 uses the RTL8211F and seems to
>> suffer from the kind of stability issue.
>>
>> Doing an iperf3 download test, we can see a significant number of LPI
>> interrupts on the tx path. After a short while (5 to 15 seconds), the
>> network connection dies. If using rootfs over NFS, the connection may
>> also break during the boot sequence.
>>
>> We still don't have a real explanation for this problem so let's disable
>> EEE once again.
>>
>> Fixes: f6f6ac914b82 ("ARM64: dts: meson-axg: enable ethernet for A113D S400 board")
>> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
>> ---
>> arch/arm64/boot/dts/amlogic/meson-axg-s400.dts | 15 ++++++++++++++-
>> 1 file changed, 14 insertions(+), 1 deletion(-)
>>
> [...]
> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Applied to v4.18/fixes (which I'll be sending upstream today.)
Kevin
WARNING: multiple messages have this Message-ID (diff)
From: khilman@baylibre.com (Kevin Hilman)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM64: dts: meson-axg: fix ethernet stability issue
Date: Wed, 27 Jun 2018 16:10:24 -0700 [thread overview]
Message-ID: <7h6023keqn.fsf@baylibre.com> (raw)
In-Reply-To: <d59a60d1-d5fc-6d89-f89b-148c8e3f3521@baylibre.com> (Neil Armstrong's message of "Tue, 26 Jun 2018 10:07:26 +0200")
Neil Armstrong <narmstrong@baylibre.com> writes:
> On 25/06/2018 14:56, Jerome Brunet wrote:
>> Like the odroid-c2 and wetek, the s400 uses the RTL8211F and seems to
>> suffer from the kind of stability issue.
>>
>> Doing an iperf3 download test, we can see a significant number of LPI
>> interrupts on the tx path. After a short while (5 to 15 seconds), the
>> network connection dies. If using rootfs over NFS, the connection may
>> also break during the boot sequence.
>>
>> We still don't have a real explanation for this problem so let's disable
>> EEE once again.
>>
>> Fixes: f6f6ac914b82 ("ARM64: dts: meson-axg: enable ethernet for A113D S400 board")
>> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
>> ---
>> arch/arm64/boot/dts/amlogic/meson-axg-s400.dts | 15 ++++++++++++++-
>> 1 file changed, 14 insertions(+), 1 deletion(-)
>>
> [...]
> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Applied to v4.18/fixes (which I'll be sending upstream today.)
Kevin
WARNING: multiple messages have this Message-ID (diff)
From: Kevin Hilman <khilman@baylibre.com>
To: Neil Armstrong <narmstrong@baylibre.com>
Cc: Jerome Brunet <jbrunet@baylibre.com>,
Carlo Caione <carlo@caione.org>,
devicetree@vger.kernel.org, linux-amlogic@lists.infradead.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM64: dts: meson-axg: fix ethernet stability issue
Date: Wed, 27 Jun 2018 16:10:24 -0700 [thread overview]
Message-ID: <7h6023keqn.fsf@baylibre.com> (raw)
In-Reply-To: <d59a60d1-d5fc-6d89-f89b-148c8e3f3521@baylibre.com> (Neil Armstrong's message of "Tue, 26 Jun 2018 10:07:26 +0200")
Neil Armstrong <narmstrong@baylibre.com> writes:
> On 25/06/2018 14:56, Jerome Brunet wrote:
>> Like the odroid-c2 and wetek, the s400 uses the RTL8211F and seems to
>> suffer from the kind of stability issue.
>>
>> Doing an iperf3 download test, we can see a significant number of LPI
>> interrupts on the tx path. After a short while (5 to 15 seconds), the
>> network connection dies. If using rootfs over NFS, the connection may
>> also break during the boot sequence.
>>
>> We still don't have a real explanation for this problem so let's disable
>> EEE once again.
>>
>> Fixes: f6f6ac914b82 ("ARM64: dts: meson-axg: enable ethernet for A113D S400 board")
>> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
>> ---
>> arch/arm64/boot/dts/amlogic/meson-axg-s400.dts | 15 ++++++++++++++-
>> 1 file changed, 14 insertions(+), 1 deletion(-)
>>
> [...]
> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Applied to v4.18/fixes (which I'll be sending upstream today.)
Kevin
next prev parent reply other threads:[~2018-06-27 23:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-25 12:56 [PATCH] ARM64: dts: meson-axg: fix ethernet stability issue Jerome Brunet
2018-06-25 12:56 ` Jerome Brunet
2018-06-25 12:56 ` Jerome Brunet
2018-06-26 8:07 ` Neil Armstrong
2018-06-26 8:07 ` Neil Armstrong
2018-06-26 8:07 ` Neil Armstrong
2018-06-27 23:10 ` Kevin Hilman [this message]
2018-06-27 23:10 ` Kevin Hilman
2018-06-27 23:10 ` Kevin Hilman
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