From: "Lothar Waßmann" <LW@KARO-electronics.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] ** Can't read Driver Desriptor Block **
Date: Wed, 30 Aug 2017 08:44:17 +0200 [thread overview]
Message-ID: <20170830084417.5b0d4183@karo-electronics.de> (raw)
In-Reply-To: <CAPnjgZ2hD9apwOq+90gvj=pQxh3disXauPRjP-LTd4fOvQ3Kqg@mail.gmail.com>
Hi,
On Wed, 30 Aug 2017 14:34:18 +0800 Simon Glass wrote:
> Hi,
>
> On 30 August 2017 at 09:54, Bin Meng <bmeng.cn@gmail.com> wrote:
> > Hi Heinrich,
> >
> > On Wed, Aug 30, 2017 at 4:26 AM, Heinrich Schuchardt <xypron.glpk@gmx.de> wrote:
> >> Hello Simon,
> >>
> >> U-Boot HEAD qemu-86_defconfig cannot discover an IDE disk with one FAT
> >> partition in qemu-system-x86_64.
> >>
> >> By bisection I found this patch.
> >>
> >> b7c6baef2891ce8978cbfddb66e944943473ac21
> >> x86: Convert MMC to driver model
> >>
> >> With this patch I get
> >>
> >> IDE: Bus 0: OK Bus 1: OK
> >> Device 0: Model: QEMU HARDDISK Firm: 2.5+ Ser#: QM00001
> >> Type: Hard Disk
> >> Supports 48-bit addressing
> >> Capacity: 128.0 MB = 0.1 GB (262144 x 512)
> >> ** Can't read Driver Desriptor Block **
> >> Device 1: not available
> >> Device 2: Model: QEMU Firm: 2.5+ Ser#: QEMU DVD-ROM
> >> Type: Removable CD ROM
> >> Capacity: not available
> >> Device 3: not available
> >>
> >> => ide info
> >> =>
> >>
> >> Without the patch I get=> ide info
> >> Device 0: Model: QEMU HARDDISK Firm: 2.5+ Ser#: QM00001
> >> Type: Hard Disk
> >> Supports 48-bit addressing
> >> Capacity: 128.0 MB = 0.1 GB (262144 x 512)
> >> Device 2: Model: QEMU Firm: 2.5+ Ser#: QEMU DVD-ROM
> >> Type: Removable CD ROM
> >> Capacity: not available
> >>
> >> I think we observe two independent errors here:
> >>
> >> - The hard disk Device 0 is not read.
> >> - The ide command stops at the first device that is not available.
> >>
> >> I guess only the first is caused by your patch.
> >
> > Both logs look fine to me. The "Can't read Driver Desriptor Block"
> > comes from part_mac.c. Did you verify the actual IDE read/write fails
> > with current HEAD?
>
> We should definitely change that message to debug(). It is very
... and fix the missing 'c' in 'Desriptor'
Lothar Waßmann
prev parent reply other threads:[~2017-08-30 6:44 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-29 20:26 [U-Boot] ** Can't read Driver Desriptor Block ** Heinrich Schuchardt
2017-08-30 1:54 ` Bin Meng
2017-08-30 4:37 ` Heinrich Schuchardt
2017-08-30 21:19 ` Heinrich Schuchardt
2017-08-31 2:53 ` Bin Meng
2017-08-31 12:52 ` Simon Glass
2017-08-31 12:55 ` Bin Meng
2017-08-31 17:24 ` Heinrich Schuchardt
2017-09-04 3:59 ` Bin Meng
2017-09-04 5:41 ` Heinrich Schuchardt
2017-09-04 7:30 ` Bin Meng
2017-09-04 9:05 ` Bin Meng
2017-08-30 6:34 ` Simon Glass
2017-08-30 6:44 ` Lothar Waßmann [this message]
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