Mounting/Accessing SD-Card on BBB
Christian Mauderer
list at c-mauderer.de
Fri Aug 16 09:03:09 UTC 2019
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>> 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>>> 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>>> 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>>>> 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>>>>> 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>>>>> 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>>>>> 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
> > > > > > > media listener: event = MOUNT, state =
> > INQUIRY, src =
> > > /dev/mmcsd-1
> > > > > > > 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 =
> > > SUCCESS, src =
> > > > > > > /dev/mmcsd-1
> > > > > > > media listener: event = PARTITION
> ATTACH, state =
> > > INQUIRY, src =
> > > > > > > /dev/mmcsd-1
> > > > > > > media listener: event = PARTITION
> ATTACH, state =
> > > SUCCESS, src =
> > > > > > > /dev/mmcsd-1, dest = /dev/mmcsd-1-0
> > > > > > > media listener: event = MOUNT, state =
> > INQUIRY, src =
> > > > /dev/mmcsd-1-0
> > > > > > > media listener: event = MOUNT, state =
> FAILED,
> > src =
> > > > /dev/mmcsd-1-0
> > > > > > > media listener: event = DISK ATTACH, state =
> > INQUIRY, src =
> > > > mmcsd1boot
> > > > > > > uhub0: 1 port with 1 removable, self powered
> > > > > > > uhub1: 1 port with 1 removable, self powered
> > > > > > > ERROR: SD could not be mounted after timeout
> > > > > > > ""
> > > > > > >
> > > > > > > Thanks,
> > > > > > > Nils
> > > > > > >
> > > > > > > On Mon, 12 Aug 2019 at 18:01, 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:
> > > > > > >
> > > > > > > On 12/08/2019 07:28, Nils Hölscher
> wrote:
> > > > > > > > Hi,
> > > > > > > >
> > > > > > > > Can anyone help me with this?
> > > > > > > > I need to access the BBB's SD-Card, so
> > that I can load
> > > > my pru
> > > > > > > example on
> > > > > > > > the pru.
> > > > > > > >
> > > > > > > > Thanks,
> > > > > > > > Nils
> > > > > > > >
> > > > > > >
> > > > > > > Hello Nils,
> > > > > > >
> > > > > > > take a look at the following
> application:
> > > > > > >
> > > > > > >
> > > >
> > >
> >
> https://gitlab.com/c-mauderer/rtems-bbb/blob/master/apps/wifi-sample/init.c#L64
> > > > > > >
> > > > > > >
> > > >
> > >
> >
> https://gitlab.com/c-mauderer/rtems-bbb/blob/master/apps/wifi-sample/libbsdhelper.c#L122
> > > > > > >
> > > > > > > You should mainly need the stuff
> from the
> > > > libbsdhelper_init_sd_card()
> > > > > > > and libbsdhelper_wait_for_sd().
> > > > > > >
> > > > > > > Please note that the SD card needs quite
> > some time to
> > > > initialize on BBB.
> > > > > > > I haven't had a look at it why that
> is the
> > case.
> > > > > > >
> > > > > > > Best regards
> > > > > > >
> > > > > > > Christian
> > > > > > >
> > > > > > >
> > > > > > >
> _______________________________________________
> > > > > > > users mailing list
> > > > > > > users at rtems.org <mailto:users at rtems.org>
> <mailto:users at rtems.org <mailto:users at rtems.org>>
> > <mailto:users at rtems.org <mailto:users at rtems.org>
> <mailto:users at rtems.org <mailto:users at rtems.org>>>
> > > <mailto:users at rtems.org <mailto:users at rtems.org>
> <mailto:users at rtems.org <mailto:users at rtems.org>>
> > <mailto:users at rtems.org <mailto:users at rtems.org>
> <mailto:users at rtems.org <mailto:users at rtems.org>>>>
> > > > > > >
> http://lists.rtems.org/mailman/listinfo/users
> > > > > > >
> > > > > >
> _______________________________________________
> > > > > > users mailing list
> > > > > > users at rtems.org <mailto:users at rtems.org>
> <mailto:users at rtems.org <mailto:users at rtems.org>>
> > <mailto:users at rtems.org <mailto:users at rtems.org>
> <mailto:users at rtems.org <mailto:users at rtems.org>>>
> > > <mailto:users at rtems.org <mailto:users at rtems.org>
> <mailto:users at rtems.org <mailto:users at rtems.org>>
> > <mailto:users at rtems.org <mailto:users at rtems.org>
> <mailto:users at rtems.org <mailto:users at rtems.org>>>>
> > > > > > http://lists.rtems.org/mailman/listinfo/users
> > > > >
> > > >
> > > > --
> > > > --
> > > > --------------------------------------------
> > > > embedded brains GmbH
> > > > Herr Christian Mauderer
> > > > Dornierstr. 4
> > > > D-82178 Puchheim
> > > > Germany
> > > > email: 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>>>>
> > > > Phone: +49-89-18 94 741 - 18
> > > > Fax: +49-89-18 94 741 - 08
> > > > PGP: Public key available on request.
> > > >
> > > > Diese Nachricht ist keine geschäftliche Mitteilung
> > im Sinne
> > > des EHUG.
> > > >
> > > >
> > > > _______________________________________________
> > > > users mailing list
> > > > users at rtems.org <mailto:users at rtems.org>
> <mailto:users at rtems.org <mailto:users at rtems.org>>
> > <mailto:users at rtems.org <mailto:users at rtems.org>
> <mailto:users at rtems.org <mailto:users at rtems.org>>>
> > > > http://lists.rtems.org/mailman/listinfo/users
> > > >
> > >
> >
>
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