Re: [microblaze-uclinux]Problems mounting Xilinx SysAce

[Alfred Grünewald <info@xxxxxxxxxxxxxx>]

Hello Erik,

thanks for your answer!
I am still struggling with the partition table. I found that the different 
formating tools (DOS and LINUX) I have, give quite different results, none 
of them is accepted by the uClinux with the Xilinx SysAce controller.
Which fdisk under which Linux you used to format? And did you make 4 primary 
partions or extend ones? The one I have under Suse 9.1 for example the o 
option doesn't work. I have to use the t option and then select the FAT. But 
I notized that even if it reports then a partition table it doesn't change 
the entries in the MRB (sector 0), it seems to work with entries of the boot 
sectors.

Regards

Alfred

----- Original Message ----- 
From: "Hansen Eric" <hansen@shf-communication.de>
To: <microblaze-uclinux@itee.uq.edu.au>
Sent: Monday, February 21, 2005 9:24 AM
Subject: RE: [microblaze-uclinux]Problems mounting Xilinx SysAce


> Dear Alfred,
>
> there seems to be some problem with your partition table:
>
>> Partition check:
>>  xsysacea: unknown partition table
>
> Just to check, whether some partions where detected or not,
> you may also have an look at /proc/partitions.
>
> In my case it looks something like:
>
> /> cat /proc/partitions
> major minor  #blocks  name     rio rmerge rsect ruse wio wmerge wsect wuse 
> running use aveq
>
> 254     0     250880 xsysacea 117 17 138 1150 4 0 4 100 0 1200 1250
> 254     1      33008 xsysacea1 38 0 38 250 0 0 0 0 0 250 250
> 254     2       8448 xsysacea2 0 0 0 0 0 0 0 0 0 0 0
> 254     3       8448 xsysacea3 0 0 0 0 0 0 0 0 0 0 0
> 254     4     200960 xsysacea4 78 14 92 860 4 0 4 100 0 910 960
>
> We have been using a CF card with 4 partions on it
> and it worked well. I always used fdisk to create
> the partition table. With fdisk a created a new
> empty msdos partition table (command o) and within
> that created the 4 primary partitions.
>
> Cheers
> Erik
>
> ****************************
> Erik Hansen
> SHF Communication Technologies AG
> Wilhelm-von-Siemens-Str. 23D
> 12277 Berlin
> Germany
> phone: +49 (30) 77 20 51 0
> fax  : +49 (30) 75 31 07 8
> ****************************
>
>
>> -----Original Message-----
>> From: owner-microblaze-uclinux@itee.uq.edu.au
>> [mailto:owner-microblaze-uclinux@itee.uq.edu.au] On Behalf Of
>> Alfred Grünewald
>> Sent: Sunday, February 20, 2005 1:57 PM
>> To: microblaze-uclinux@itee.uq.edu.au
>> Subject: [microblaze-uclinux]Problems mounting Xilinx SysAce
>>
>>
>> Hi to all,
>>
>> I added a Xilinx Sys-Ace-controller to my system (very
>> similar to MB-Vanilla). I know that the hardware works fine,
>> because I load my FPGA configuration out of the Compact Flash
>> card and I wrote a bootloader program to load uClinux from
>> the card aswell.
>>
>> I now also would like to use the Compact Flash card under
>> uClinux to store measurement data. Therefor I enabled in
>> menuconfig the xilinx SYS ACE, DOS FAT fs support and MSDOS
>> fs support.
>>
>> the system boots normal and in my bootlog I now see:
>>
>> Initializing SystemAce driver
>> Partition check:
>>  xsysacea: unknown partition table
>> System ACE at 0xFFFE0400 mapped to 0xFFFE0400, irq=4, 125440KB
>>
>> if I now try to mount the Compact Flash Card with
>> mount -t msdos /dev/xsysacea0 /mnt
>> the system hang and only a restart helps.
>>
>> I traced this through /busybox/mount.c downto an extern
>> subroutine call
>>  mount(/dev/xsysacea0, /mnt, msdos, C0ED0000,.) from where it
>> never returns.
>> I don't  find this subroutine, where is it hidden?
>>
>> Does anyone use allready the Sys Ace System?
>>  Any help is welcome!
>>
>> Regards
>>
>> Alfred
>>
>> -- 
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>
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