Mounting/Accessing SD-Card on BBB
Nils Hölscher
nilhoel1 at gmail.com
Fri Aug 16 14:28:09 UTC 2019
Hi Gerade,
Yes I checked with two cards and both are working fine on Linux.
Best,
Nils
Gedare Bloom <gedare at rtems.org> schrieb am Fr., 16. Aug. 2019, 16:25:
> On Fri, Aug 16, 2019 at 6:04 AM Christian Mauderer <list at c-mauderer.de>
> wrote:
> >
> > Hello Nils,
> >
> > you are right that system freezes are not a wanted behaviour. But
> > hot-plugging a disk isn't that common in embedded systems (except maybe
> > for USB drives). It's a case that isn't tested that often. So most
> > likely no one noticed that bug. I wouldn't see it critical as long as I
> > don't have a project where I need that (either hobby or funded).
> >
> +1
>
> > Is this a blocking problem for your project? If not you might want to
> > fill a bug report for this. But I suspect that no one will work on that
> > too fast as long as there is no urgent necessity.
> >
> > Note that if it would have been a FAT bug the situation would have been
> > quite different. FAT bugs are bad for all targets and for quite some
> > funded projects too. So I would have tried to fix that as soon as
> possible.
> >
> > Best regards
> >
> > Christian
> >
> > On 16/08/2019 12:08, Nils Hölscher wrote:
> > > Ok.
> > > But back to the bug.
> > > The behaviour I described should be reproducible by removing SD-Card
> > > after it was mounted.
> > > And then the System should freeze when open is called on some file on
> > > SD-Card.
> > > System freezes can't be wanted behaviour.
>
> We have occasionally received bug reports like this. It is better to
> avoid unplugging something that is being accessed. Even in commodity
> systems that can cause data corruption on the device. In fact, did you
> confirm with a new SDcard that it is the BBB that is broken, and not
> the SDCard that has gone bad?
>
> > >
> > > Best,
> > > Nils
> > >
> > > On Fri, 16 Aug 2019 at 11:40, Christian Mauderer <list at c-mauderer.de
> > > <mailto:list at c-mauderer.de>> wrote:
> > >
> > > PS: If neither the SD nor the eMMC has a bootable image your BBB
> falls
> > > back to serial and then USB boot anyway. So no need to change any
> > > boot pins.
> > >
> > > On 16/08/2019 11:38, Christian Mauderer wrote:
> > > > Hello Nils,
> > > >
> > > > if the U-Boot doesn't start from eMMC any more it won't be easy.
> > > > Theoretically it is possible to boot via serial. See for example
> > > >
> > > >
> > >
> http://linuxkernel51.blogspot.com/2015/08/booting-beagle-bone-black-over-uart.html
> > > >
> > > > With that you could load an U-Boot (via X-Modem) that could
> start a
> > > > system from USB (image from Beagle home page maybe could work if
> > > it can
> > > > boot from USB) that could re-write the eMMC. Most likely it would
> > > need a
> > > > few hours to a day to figure out the details. So you should
> > > definitively
> > > > order a replacement as a backup solution.
> > > >
> > > > Best regards
> > > >
> > > > Christian
> > > >
> > > > On 16/08/2019 11:13, Nils Hölscher wrote:
> > > >> Hi Christin,
> > > >>
> > > >> Thanks for the hint.
> > > >> But how can I alter the U- Boot on eMMC?
> > > >> Problem is I have a Linux version with an U-Boot that disables
> > > emmc on
> > > >> the emmc...
> > > >> And I guess I cant flash emmc without SD.
> > > >>
> > > >> Best,
> > > >> Nils
> > > >>
> > > >> On Fri, 16 Aug 2019 at 11:03, Christian Mauderer
> > > <list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>> wrote:
> > > >>
> > > >> On 16/08/2019 10:55, Nils Hölscher wrote:
> > > >> > Hi,
> > > >> >
> > > >> > It seems the problem was hardware related.
> > > >> > My SD-Card connector just died.
> > > >> > I hope I can get a new BBB oin a timely manner.
> > > >> >
> > > >> > Best,
> > > >> > Nils
> > > >>
> > > >> Hello Nils,
> > > >>
> > > >> thanks for the information. That's annoying. Good luck
> finding a
> > > >> replacement.
> > > >>
> > > >> For a quick workaround: I haven't tried that yet but if your
> > > on-board
> > > >> eMMC is still intact, you might can use that U-Boot to boot
> > > from USB.
> > > >>
> > > >> Best regards
> > > >>
> > > >> Christian
> > > >>
> > > >> >
> > > >> > On Fri, 16 Aug 2019 at 10:48, Christian Mauderer
> > > >> <list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>
> > > >> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>> wrote:
> > > >> >
> > > >> > Hello Nils,
> > > >> >
> > > >> > thanks for the file list. I can't reproduce your
> > > problem with it.
> > > >> >
> > > >> > On 16/08/2019 10:01, Nils Hölscher wrote:
> > > >> > > Hi,
> > > >> > >
> > > >> > > Short update.
> > > >> > >
> > > >> > > It seems the device only hangs while I am connected
> > > with the
> > > >> debugger.
> > > >> >
> > > >> > Is that true for the original file system tree? You
> are
> > > >> debugging via
> > > >> > Ethernet, right? In that case I would lean more
> toward a
> > > >> problem with
> > > >> > the debugger support than the file system. Do you have
> > > enough file
> > > >> > descriptors configured?
> > > >> >
> > > >> > Best regards
> > > >> >
> > > >> > Christian
> > > >> >
> > > >> > > looks like a Heisenberg bug.
> > > >> > >
> > > >> > > Best,
> > > >> > > Nils
> > > >> > >
> > > >> > > On Fri, 16 Aug 2019 at 09:50, Nils Hölscher
> > > >> <nilhoel1 at gmail.com <mailto:nilhoel1 at gmail.com>
> > > <mailto:nilhoel1 at gmail.com <mailto:nilhoel1 at gmail.com>>
> > > >> > <mailto:nilhoel1 at gmail.com <mailto:nilhoel1 at gmail.com
> >
> > > <mailto:nilhoel1 at gmail.com <mailto:nilhoel1 at gmail.com>>>
> > > >> > > <mailto:nilhoel1 at gmail.com
> > > <mailto:nilhoel1 at gmail.com> <mailto:nilhoel1 at gmail.com
> > > <mailto:nilhoel1 at gmail.com>>
> > > >> <mailto:nilhoel1 at gmail.com <mailto:nilhoel1 at gmail.com>
> > > <mailto:nilhoel1 at gmail.com <mailto:nilhoel1 at gmail.com>>>>> wrote:
> > > >> > >
> > > >> > >
> > > >> > > On Thu, 15 Aug 2019 at 19:51, Christian Mauderer
> > > >> > <list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>
> > > >> > > <mailto:list at c-mauderer.de
> > > <mailto:list at c-mauderer.de> <mailto:list at c-mauderer.de
> > > <mailto:list at c-mauderer.de>>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>>> wrote:
> > > >> > >
> > > >> > > Hello Nils,
> > > >> > >
> > > >> > > maybe another bug in our FAT file system...
> > > >> > >
> > > >> > > Please do three things:
> > > >> > >
> > > >> > > 1. Create an image of your current card
> (with
> > > dd or
> > > >> a similar
> > > >> > > tool). FAT
> > > >> > > bugs are sometimes hard to reproduce but
> it's
> > > really
> > > >> > urgent that
> > > >> > > we fix
> > > >> > > them. So maybe I'll ask for that image
> later.
> > > >> > >
> > > >> > > I did that.
> > > >> > > Let me know if you need the image.
> > > >> > >
> > > >> > > 2. Create a complete list of the files on
> > > your card (for
> > > >> > example the
> > > >> > > Linux `tree -h` command), post it here and
> > > tell me
> > > >> what you
> > > >> > > tried to open.
> > > >> > >
> > > >> > > .
> > > >> > > ├── [ 50K] am335x-boneblack.dtb
> > > >> > > ├── [ 49K] am335x-boneblack+pruss.dtb
> > > >> > > ├── [ 883] AM335X-PRU-UIO-00A0.dtbo
> > > >> > > ├── [ 649] AM335X-PRU-UIO-BSD-00A0.dtbo
> > > >> > > ├── [162K] Linux-with-UIO.dtb
> > > >> > > ├── [ 44] loob.bin
> > > >> > > ├── [108K] MLO
> > > >> > > ├── [2.1M] pru.exe.img
> > > >> > > ├── [ 12] test.bin
> > > >> > > ├── [471K] u-boot.img
> > > >> > > ├── [ 390] uEnvLinuxfdt.txt
> > > >> > > └── [ 560] uEnv.txt
> > > >> > >
> > > >> > > 3. Try another name / folder for the file
> > > you wanted to
> > > >> > open.\
> > > >> > >
> > > >> > > I moved the file in another folder and renamed
> it.
> > > >> > > It now works but I got en error, I am currently
> > > >> investigating if
> > > >> > > this is on the pru driver side or not.
> > > >> > > The tree while doing this was:
> > > >> > > .
> > > >> > > ├── [ 50K] am335x-boneblack.dtb
> > > >> > > ├── [ 49K] am335x-boneblack+pruss.dtb
> > > >> > > ├── [ 883] AM335X-PRU-UIO-00A0.dtbo
> > > >> > > ├── [ 649] AM335X-PRU-UIO-BSD-00A0.dtbo
> > > >> > > ├── [162K] Linux-with-UIO.dtb
> > > >> > > ├── [ 44] loob.bin
> > > >> > > ├── [108K] MLO
> > > >> > > ├── [2.1M] pru.exe.img
> > > >> > > ├── [2.0K] test
> > > >> > > │ └── [ 12] test2.bin
> > > >> > > ├── [ 12] test2.bin
> > > >> > > ├── [471K] u-boot.img
> > > >> > > ├── [ 390] uEnvLinuxfdt.txt
> > > >> > > └── [ 560] uEnv.txt
> > > >> > >
> > > >> > >
> > > >> > > Thanks,
> > > >> > > Nils
> > > >> > >
> > > >> > > Best regards
> > > >> > >
> > > >> > > Christian
> > > >> > >
> > > >> > > On 15/08/2019 19:32, Nils Hölscher wrote:
> > > >> > > > Hi Christian,
> > > >> > > >
> > > >> > > > The commands ls and cat work.
> > > >> > > > I just tested them, this seems kinda
> awkward.
> > > >> > > >
> > > >> > > > Best,
> > > >> > > > Nils
> > > >> > > >
> > > >> > > > On Thu, 15 Aug 2019 at 19:27, Christian
> > > Mauderer
> > > >> > > <list at c-mauderer.de
> > > <mailto:list at c-mauderer.de> <mailto:list at c-mauderer.de
> > > <mailto:list at c-mauderer.de>>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>
> > > >> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de
> >
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>>
> > > >> > > > <mailto:list at c-mauderer.de
> > > <mailto:list at c-mauderer.de>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>
> > > >> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de
> >
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>>>> wrote:
> > > >> > > >
> > > >> > > > Hello Nils,
> > > >> > > >
> > > >> > > > does some other access to the file
> system
> > > >> work? Like
> > > >> > a ls
> > > >> > > on the console
> > > >> > > > or creating a file. Can you do a `cat`
> > > on some
> > > >> text file
> > > >> > > on the file
> > > >> > > > system? If not: Does it work for a
> file
> > > in the
> > > >> root file
> > > >> > > system (should
> > > >> > > > be a IMFS)?
> > > >> > > >
> > > >> > > > Best regards
> > > >> > > >
> > > >> > > > Christian
> > > >> > > >
> > > >> > > > On 15/08/2019 15:54, Nils Hölscher
> wrote:
> > > >> > > > > Hi,
> > > >> > > > >
> > > >> > > > > I when my app wants to open a file
> on
> > > the SD
> > > >> card
> > > >> > > dev=mmcsd-0-0 rtems
> > > >> > > > > freezes.
> > > >> > > > > Exact call is:
> > > >> > > > > fd = open(file, O_RDONLY);
> > > >> > > > > With file being the pru binary I
> want
> > > to upload.
> > > >> > > > >
> > > >> > > > > Thanks,
> > > >> > > > > Nils
> > > >> > > > >
> > > >> > > > > On Tue, 13 Aug 2019 at 17:56,
> > > Christian Mauderer
> > > >> > > > >
> > > <christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>
> > > >> <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>>
> > > >> > <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>
> > > >> <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>>>
> > > >> > > <mailto:
> christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>
> > > >> <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>>
> > > >> > <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>
> > > >> <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>>>>
> > > >> > > >
> > > <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>
> > > >> <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>>
> > > >> > <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>
> > > >> <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>>>
> > > >> > > <mailto:
> christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>
> > > >> <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>>
> > > >> > <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>
> > > >> <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>>>>>
> > > >> > > > >
> > > >> <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>
> > > >> <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>>
> > > >> > <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>
> > > >> <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>>>
> > > >> > > <mailto:
> christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>
> > > >> <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>>
> > > >> > <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>
> > > >> <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>>>>
> > > >> > > >
> > > <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>
> > > >> <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>>
> > > >> > <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>
> > > >> <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>>>
> > > >> > > <mailto:
> christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>
> > > >> <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>>
> > > >> > <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>
> > > >> <mailto:christian.mauderer at embedded-brains.de
> > > <mailto:christian.mauderer at embedded-brains.de>>>>>>> wrote:
> > > >> > > > >
> > > >> > > > > Hello Nils,
> > > >> > > > >
> > > >> > > > > a third possibility: You could
> > > start a
> > > >> FTP server
> > > >> > > and push the
> > > >> > > > file
> > > >> > > > > via network.
> > > >> > > > >
> > > >> > > > > Best regards
> > > >> > > > >
> > > >> > > > > Christian
> > > >> > > > >
> > > >> > > > > Am Dienstag, 13. August 2019
> > > schrieb Nils
> > > >> > Hölscher:
> > > >> > > > > > Hi,
> > > >> > > > > >
> > > >> > > > > >
> > > >> > > > > > Thanks for the input I will
> try
> > > the SD
> > > >> card
> > > >> > first.
> > > >> > > > > > That way I won't have to
> alter the
> > > >> code when I
> > > >> > > want to run other
> > > >> > > > > stuff on the pru.
> > > >> > > > > >
> > > >> > > > > >
> > > >> > > > > > Best,
> > > >> > > > > > Nils
> > > >> > > > > >
> > > >> > > > > >
> > > >> > > > > > On Tue, 13 Aug 2019 at 17:32,
> > > Gedare Bloom
> > > >> > > <gedare at rtems.org <mailto:gedare at rtems.org>
> > > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>
> > > >> <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
> > > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>>
> > > >> > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
> > > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>
> > > >> <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
> > > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>>>
> > > >> > > > <mailto:gedare at rtems.org
> > > <mailto:gedare at rtems.org>
> > > >> <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>
> > > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
> > > >> <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>>
> > > >> > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
> > > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>
> > > >> <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
> > > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>>>>
> > > >> > > > > <mailto:gedare at rtems.org
> > > <mailto:gedare at rtems.org>
> > > >> <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>
> > > >> > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
> > > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>>
> > > >> <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
> > > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>
> > > >> > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
> > > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>>>
> > > >> > > <mailto:gedare at rtems.org
> > > <mailto:gedare at rtems.org> <mailto:gedare at rtems.org
> > > <mailto:gedare at rtems.org>>
> > > >> <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
> > > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>>
> > > >> > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
> > > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>
> > > >> <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
> > > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>>>>>> wrote:
> > > >> > > > > >
> > > >> > > > > > You can also build the PRU
> > > image into
> > > >> the RTEMS
> > > >> > > binary. See
> > > >> > > > > >
> examples-v2.git/file_io/crc/init.c
> > > >> > > > > >
> > > >> > > > > > On Tue, Aug 13, 2019 at 8:46
> AM
> > > Christian
> > > >> > Mauderer
> > > >> > > > > <list at c-mauderer.de
> > > <mailto:list at c-mauderer.de>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>
> > > >> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de
> >
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>
> > > >> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de
> >
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>>
> > > >> > > <mailto:list at c-mauderer.de
> > > <mailto:list at c-mauderer.de>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>
> > > >> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de
> >
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>>>
> > > >> > > > <mailto:list at c-mauderer.de
> > > <mailto:list at c-mauderer.de>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>
> > > >> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de
> >
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>
> > > >> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de
> >
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>>
> > > >> > > <mailto:list at c-mauderer.de
> > > <mailto:list at c-mauderer.de>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>
> > > >> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de
> >
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>
> > > >> <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
> > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>>>>>
> wrote:
> > > >> > > > > > >
> > > >> > > > > > > Hello Nils,
> > > >> > > > > > >
> > > >> > > > > > > that's a bit odd. I attached
> > > an expected
> > > >> > output
> > > >> > > below.
> > > >> > > > Some guesses:
> > > >> > > > > > >
> > > >> > > > > > > - Did you add FAT file
> system
> > > to your
> > > >> > application?
> > > >> > > > > > > - Is there some odd
> formatting on
> > > >> the SD?
> > > >> > > Normally at
> > > >> > > > least the FAT
> > > >> > > > > > > partition used by U-Boot
> > > should be
> > > >> visible.
> > > >> > > > > > > - Is your BDBUF
> configuration OK?
> > > >> > > > > > > - Do you have enough file
> > > descriptors?
> > > >> > > > > > >
> > > >> > > > > > > Beneath that: If you only
> need
> > > >> something where
> > > >> > > you can put
> > > >> > > > some
> > > >> > > > > files,
> > > >> > > > > > > you can try to connect a USB
> > > stick
> > > >> instead.
> > > >> > > Maybe that
> > > >> > > > works better.
> > > >> > > > > > >
> > > >> > > > > > > Best regards
> > > >> > > > > > >
> > > >> > > > > > > Christian
> > > >> > > > > > >
> > > >> > > > > > >
> > > >> > > > > > > media listener: event = DISK
> > > ATTACH,
> > > >> state =
> > > >> > > INQUIRY, src
> > > >> > > > = mmcsd
> > > >> > > > > > > media listener: event = DISK
> > > ATTACH,
> > > >> state =
> > > >> > > SUCCESS, src =
> > > >> > > > > mmcsd, dest
> > > >> > > > > > > = /dev/mmcsd-0
> > > >> > > > > > > media listener: event =
> > > MOUNT, state =
> > > >> > INQUIRY,
> > > >> > > src =
> > > >> > > > /dev/mmcsd-0
> > > >> > > > > > > mmcsd0: 4GB <SDHC TO 15.15
> SN
> > > >> 000002F6 MFG
> > > >> > > 02/2017 by 25
> > > >> > > > DY> at mmc0
> > > >> > > > > > > 24.0MHz/4bit/65535-block
> > > >> > > > > > > media listener: event =
> > > MOUNT, state =
> > > >> > FAILED, src =
> > > >> > > > /dev/mmcsd-0
> > > >> > > > > > > media listener: event =
> PARTITION
> > > >> INQUIRY,
> > > >> > state =
> > > >> > > > INQUIRY, src =
> > > >> > > > > > > /dev/mmcsd-0
> > > >> > > > > > > media listener: event =
> PARTITION
> > > >> INQUIRY,
> > > >> > state =
> > > >> > > > SUCCESS, src =
> > > >> > > > > > > /dev/mmcsd-0
> > > >> > > > > > > media listener: event =
> PARTITION
> > > >> ATTACH,
> > > >> > state
> > > >> > > = INQUIRY,
> > > >> > > > src =
> > > >> > > > > > > /dev/mmcsd-0
> > > >> > > > > > > media listener: event =
> PARTITION
> > > >> ATTACH,
> > > >> > state
> > > >> > > = SUCCESS,
> > > >> > > > src =
> > > >> > > > > > > /dev/mmcsd-0, dest =
> > > /dev/mmcsd-0-0
> > > >> > > > > > > media listener: event =
> > > MOUNT, state =
> > > >> > INQUIRY,
> > > >> > > src =
> > > >> > > > /dev/mmcsd-0-0
> > > >> > > > > > > media listener: event =
> > > MOUNT, state =
> > > >> > SUCCESS,
> > > >> > > src =
> > > >> > > > > /dev/mmcsd-0-0,
> > > >> > > > > > > dest = /media/mmcsd-0-0
> > > >> > > > > > > media listener: event = DISK
> > > ATTACH,
> > > >> state =
> > > >> > > INQUIRY, src
> > > >> > > > = mmcsd
> > > >> > > > > > > media listener: event = DISK
> > > ATTACH,
> > > >> state =
> > > >> > > SUCCESS, src =
> > > >> > > > > mmcsd, dest
> > > >> > > > > > > = /dev/mmcsd-1
> > > >> > > > > > > media listener: event =
> > > MOUNT, state =
> > > >> > INQUIRY,
> > > >> > > src =
> > > >> > > > /dev/mmcsd-1
> > > >> > > > > > > mmcsd1: 4GB <MMCHC MMC04G
> 5.8 SN
> > > >> 160D224B MFG
> > > >> > > 09/2014 by 112
> > > >> > > > > 0x0000> at
> > > >> > > > > > > mmc1
> 48.0MHz/8bit/65535-block
> > > >> > > > > > > media listener: event =
> > > MOUNT, state =
> > > >> > FAILED, src =
> > > >> > > > /dev/mmcsd-1
> > > >> > > > > > > media listener: event =
> PARTITION
> > > >> INQUIRY,
> > > >> > state =
> > > >> > > > INQUIRY, src =
> > > >> > > > > > > /dev/mmcsd-1
> > > >> > > > > > > media listener: event =
> PARTITION
> > > >> INQUIRY,
> > > >> > state
> > > >> > > = FAILED,
> > > >> > > > src =
> > > >> > > > > > > /dev/mmcsd-1
> > > >> > > > > > > media listener: event = DISK
> > > ATTACH,
> > > >> state =
> > > >> > > INQUIRY, src =
> > > >> > > > > mmcsd1boot
> > > >> > > > > > > mmcsd1boot0: 2MB partion 1
> at
> > > mmcsd1
> > > >> > > > > > > mmcsd1boot1: 2MB partion 2
> at
> > > mmcsd1
> > > >> > > > > > > mmcsd1rpmb: 131kB partion 3
> > > at mmcsd1
> > > >> > > > > > >
> > > >> > > > > > >
> > > >> > > > > > > On 13/08/2019 13:30, Nils
> > > Hölscher
> > > >> wrote:
> > > >> > > > > > > > Hi,
> > > >> > > > > > > >
> > > >> > > > > > > > Thanks for the help.
> > > >> > > > > > > > I tried to use your code,
> but I
> > > >> always get
> > > >> > > "ERROR: SD
> > > >> > > > could not be
> > > >> > > > > > > > mounted after timeout".
> > > >> > > > > > > > Even after raising the
> > > waiting time.
> > > >> > > > > > > >
> > > >> > > > > > > > The sources I use start
> here:
> > > >> > > > > > > >
> > > >> > > >
> > > >> > >
> > > >> >
> > > >>
> > >
> https://github.com/nilhoel1/rtems-pru/blob/pruss-shell/main.c#L110
> > > >> > > > > > > >
> > > >> > > > > > > > And my uart output is:
> > > >> > > > > > > > ""
> > > >> > > > > > > > waiting for SD...
> > > >> > > > > > > >
> > > >> > > > > > > > usbus0: 480Mbps High Speed
> > > USB v2.0
> > > >> > > > > > > > usbus1: 480Mbps High Speed
> > > USB v2.0
> > > >> > > > > > > > media listener: event =
> DISK
> > > >> ATTACH, state =
> > > >> > > INQUIRY,
> > > >> > > > src = mmcsd
> > > >> > > > > > > > media listener: event =
> DISK
> > > >> ATTACH, state =
> > > >> > > SUCCESS, src =
> > > >> > > > > mmcsd, dest
> > > >> > > > > > > > = /dev/mmcsd-0
> > > >> > > > > > > > media listener: event =
> > > MOUNT, state =
> > > >> > > INQUIRY, src =
> > > >> > > > /dev/mmcsd-0
> > > >> > > > > > > > ugen0.1: <Mentor Graphics
> > > OTG Root
> > > >> HUB>
> > > >> > at usbus0
> > > >> > > > > > > > ugen1.1: <Mentor Graphics
> > > OTG Root
> > > >> HUB>
> > > >> > at usbus1
> > > >> > > > > > > > uhub0: <Mentor Graphics
> OTG
> > > Root
> > > >> HUB, class
> > > >> > > 9/0, rev
> > > >> > > > > 2.00/1.00, addr 1>
> > > >> > > > > > > > on usbus0
> > > >> > > > > > > > uhub1: <Mentor Graphics
> OTG
> > > Root
> > > >> HUB, class
> > > >> > > 9/0, rev
> > > >> > > > > 2.00/1.00, addr 1>
> > > >> > > > > > > > on usbus1
> > > >> > > > > > > > media listener: event =
> > > MOUNT, state =
> > > >> > FAILED,
> > > >> > > src =
> > > >> > > > /dev/mmcsd-0
> > > >> > > > > > > > media listener: event =
> > > PARTITION
> > > >> > INQUIRY, state =
> > > >> > > > INQUIRY, src =
> > > >> > > > > > > > /dev/mmcsd-0
> > > >> > > > > > > > media listener: event =
> > > PARTITION
> > > >> > INQUIRY, state =
> > > >> > > > SUCCESS, src =
> > > >> > > > > > > > /dev/mmcsd-0
> > > >> > > > > > > > media listener: event =
> > > PARTITION
> > > >> > ATTACH, state =
> > > >> > > > INQUIRY, src =
> > > >> > > > > > > > /dev/mmcsd-0
> > > >> > > > > > > > media listener: event =
> > > PARTITION
> > > >> > ATTACH, state =
> > > >> > > > SUCCESS, src =
> > > >> > > > > > > > /dev/mmcsd-0, dest =
> > > /dev/mmcsd-0-0
> > > >> > > > > > > > media listener: event =
> > > MOUNT, state =
> > > >> > > INQUIRY, src =
> > > >> > > > > /dev/mmcsd-0-0
> > > >> > > > > > > > media listener: event =
> > > MOUNT, state =
> > > >> > FAILED,
> > > >> > > src =
> > > >> > > > > /dev/mmcsd-0-0
> > > >> > > > > > > > media listener: event =
> DISK
> > > >> ATTACH, state =
> > > >> > > INQUIRY,
> > > >> > > > src = mmcsd
> > > >> > > > > > > > media listener: event =
> DISK
> > > >> ATTACH, state =
> > > >> > > SUCCESS, src =
> > > >> > > > > mmcsd, dest
> > > >> > > > > > > > = /dev/mmcsd-1
> > > >> > > > >
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