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[88.21.202.78]) by smtp.gmail.com with ESMTPSA id y7sm11135958wmd.1.2020.02.12.14.12.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 12 Feb 2020 14:12:09 -0800 (PST) Subject: Re: [PATCH v4 00/20] Add Allwinner H3 SoC and Orange Pi PC Machine To: Niek Linnenbank , QEMU Developers References: <20200119005102.3847-1-nieklinnenbank@gmail.com> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Message-ID: Date: Wed, 12 Feb 2020 23:12:08 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-MC-Unique: jeOkrhOnP5-V0UryVKK3yA-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.81 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , jasowang@redhat.com, Beniamino Galvani , qemu-arm , Igor Mammedov , =?UTF-8?Q?Alex_Benn=c3=a9e?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 2/12/20 10:47 PM, Niek Linnenbank wrote: > Hi all, >=20 > Short status update regarding this series. >=20 > Currently I am debugging booting NetBSD 9.0-RC2, which is recently=20 > released [1] > The problem is that, apparently, RC2 can't mount the rootfs properly: >=20 > [ =C2=A0 3.1871510] vfs_mountroot: can't open root device > [ =C2=A0 3.2141370] cannot mount root, error =3D 6 >=20 > This only happens using the RC2 filesystem image. However, the RC2=20 > kernel can > properly load & boot the RC1 filesystem image, and the RC1 kernel gives= =20 > the same error > on the RC2 filesystem.=C2=A0 But I dont think its a NetBSD-RC2 issue, bec= ause=20 > on a real > Orange Pi PC hardware board, this problem does not show. Linux shows: console: mmc0: Problem switching card into high-speed mode! QEMU MMC support is not in good shape, and high-speed SD card support is=20 limited. I keep procrastinating at reviewing your SDHCI patch hmmmmm. So you added: * DMA transfers * Direct FIFO I/O * Short/Long format command responses I'd start diffing the trace output of the following events: allwinner_sdhost* sdcard* with both kernels. >=20 > I'm comparing traces and adding more low-level debug output to NetBSD=20 > and QEMU to find the issue. >=20 > Also I processed the review remarks which were send so far. >=20 > Kind regards, > Niek >=20 > [1] https://www.netbsd.org/releases/formal-9/NetBSD-9.0.html