From: Oleksandr Natalenko <oleksandr@natalenko.name>
To: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: kvalo@codeaurora.org, linux-wireless@vger.kernel.org,
nbd@nbd.name, sgruszka@redhat.com, lorenzo.bianconi@redhat.com,
netdev@vger.kernel.org
Subject: Re: [PATCH wireless-drivers 0/2] fix mt76x2e hangs on U7612E mini-pcie
Date: Thu, 24 Oct 2019 08:19:06 +0200 [thread overview]
Message-ID: <be773efbf97ddc4c79956ff03136b62e@natalenko.name> (raw)
In-Reply-To: <cover.1571868221.git.lorenzo@kernel.org>
Hi.
On 24.10.2019 00:23, Lorenzo Bianconi wrote:
> Various mt76x2e issues have been reported on U7612E mini-pcie card [1].
> On U7612E-H1 PCIE_ASPM causes continuous mcu hangs and instability and
> so patch 1/2 disable it by default.
> Moreover mt76 does not properly unmap dma buffers for non-linear skbs.
> This issue may result in hw hangs if the system relies on IOMMU.
> Patch 2/2 fix the problem properly unmapping data fragments on
> non-linear skbs.
>
> [1]:
> https://lore.kernel.org/netdev/deaafa7a3e9ea2111ebb5106430849c6@natalenko.name/
>
> Lorenzo Bianconi (2):
> mt76: mt76x2e: disable pcie_aspm by default
> mt76: dma: fix buffer unmap with non-linear skbs
>
> drivers/net/wireless/mediatek/mt76/dma.c | 10 ++--
> drivers/net/wireless/mediatek/mt76/mmio.c | 47 +++++++++++++++++++
> drivers/net/wireless/mediatek/mt76/mt76.h | 1 +
> .../net/wireless/mediatek/mt76/mt76x2/pci.c | 2 +
> 4 files changed, 57 insertions(+), 3 deletions(-)
Feel free to add my
Reported-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
and thanks for the submission.
--
Oleksandr Natalenko (post-factum)
prev parent reply other threads:[~2019-10-24 6:19 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-23 22:23 [PATCH wireless-drivers 0/2] fix mt76x2e hangs on U7612E mini-pcie Lorenzo Bianconi
2019-10-23 22:23 ` [PATCH wireless-drivers 1/2] mt76: mt76x2e: disable pcie_aspm by default Lorenzo Bianconi
2019-10-24 5:03 ` Kalle Valo
2019-10-24 8:08 ` Lorenzo Bianconi
2019-10-24 19:41 ` Heiner Kallweit
2019-10-24 21:54 ` Lorenzo Bianconi
2019-10-24 22:19 ` Heiner Kallweit
2019-10-24 23:07 ` Lorenzo Bianconi
2019-10-25 10:56 ` Heiner Kallweit
2019-10-25 11:46 ` Lorenzo Bianconi
2019-10-25 17:00 ` Heiner Kallweit
2019-10-25 17:35 ` Lorenzo Bianconi
2019-10-26 1:38 ` kbuild test robot
2019-10-26 1:38 ` kbuild test robot
2019-10-23 22:23 ` [PATCH wireless-drivers 2/2] mt76: dma: fix buffer unmap with non-linear skbs Lorenzo Bianconi
2019-10-24 6:30 ` Felix Fietkau
2019-10-24 8:57 ` Lorenzo Bianconi
2019-10-24 8:18 ` Stanislaw Gruszka
2019-10-24 9:01 ` Lorenzo Bianconi
2019-10-25 9:02 ` Stanislaw Gruszka
2019-10-24 6:19 ` Oleksandr Natalenko [this message]
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