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leprovokateur
PostPosted: Wed May 30, 2012 12:44 pm 
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Joined: Wed May 02, 2012 11:21 am
Posts: 16
Hi,

I experience problems with the microSD card slot of the smartbook under Debian.

Booting takes ages and every attempt to access the card causes the following in the syslog:
Code:
[ 216.948591] mmcblk0: retrying using single block read
[ 216.953711] mmcblk0: error -110 sending read/write command, response 0x0, card status 0x400b00
[ 216.962351] end_request: I/O error, dev mmcblk0, sector 63
[ 216.967902] mmcblk0: error -110 sending read/write command, response 0x0, card status 0x400b00
[ 216.977372] end_request: I/O error, dev mmcblk0, sector 64
[ 216.983120] mmcblk0: error -110 sending read/write command, response 0x0, card status 0x400b00
[ 216.991755] end_request: I/O error, dev mmcblk0, sector 65
[ 216.997303] mmcblk0: error -110 sending read/write command, response 0x0, card status 0x400b00
[ 217.005938] end_request: I/O error, dev mmcblk0, sector 66
[ 217.011500] mmcblk0: error -110 sending read/write command, response 0x0, card status 0x400b00
[ 217.020119] end_request: I/O error, dev mmcblk0, sector 67
[ 217.025679] mmcblk0: error -110 sending read/write command, response 0x0, card status 0x400b00
[ 217.034312] end_request: I/O error, dev mmcblk0, sector 68
[ 217.039863] mmcblk0: error -110 sending read/write command, response 0x0, card status 0x400b00
[ 217.048498] end_request: I/O error, dev mmcblk0, sector 69
[ 217.054056] mmcblk0: error -110 sending read/write command, response 0x0, card status 0x400b00
[ 217.063484] end_request: I/O error, dev mmcblk0, sector 70
[ 217.069134] mmcblk0: retrying using single block read
Under the preinstalled Ubuntu Maverik the card reader works as expected with the same card.

Debian is installed on a SD card, Ubuntu on the SSD drive.

Any ideas?
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leprovokateur
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PostPosted: Thu May 31, 2012 4:04 am 
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Joined: Wed May 02, 2012 11:21 am
Posts: 16
After some playing around, the effects, having the microSD card inserted during boot or inserting it after booting has finished, are numerous, but equally annoying.

At one time, after I inserted the card after boot, I received I/O errors, no matter, what file I tried to access, another time the system froze completely.

Any help is very much appreciated.
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R. Tim Coslet
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PostPosted: Fri Jun 01, 2012 1:37 am 
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Joined: Mon May 02, 2011 11:50 pm
Posts: 40
Location: MT
The MicroSD slot doesn't work with the standard Umbunto release either. I hear its a hardware problem,

_________________
--

Science, n. Investigation of natural phenomena.
Engineering, n. Domestication of natural phenomena.
Technology, n. Domesticated natural phenomena.

--

\"It is essential for automatic computation that, instead of containing every single instruction necessary to carry out the program, the coded program include methods for generating instructions which are needed to carry out the program. ... One measure of the extent to which an automatic digital computer is used effectively is given by the ratio of the number of instructions formed in the machine to that of the instructions inserted into the machine initially.\" Mathematical Machines Volume I Digital Computers ©1961 Francis J. Murray

If so, then why is this ratio zero on most modern computer software?
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leprovokateur
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PostPosted: Fri Jun 01, 2012 11:08 am 
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Joined: Wed May 02, 2012 11:21 am
Posts: 16
Quote:
The MicroSD slot doesn't work with the standard Umbunto release either. I hear its a hardware problem,
As I wrote, it works with the preinstalled Ubuntu. Or which do you call the standard ubuntu release?
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wschaub
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PostPosted: Fri Jun 01, 2012 7:40 pm 
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Joined: Sun Mar 27, 2011 1:18 pm
Posts: 183
Location: Hornell, NY
Quote:
Quote:
The MicroSD slot doesn't work with the standard Umbunto release either. I hear its a hardware problem,
As I wrote, it works with the preinstalled Ubuntu. Or which do you call the standard ubuntu release?
if you are using it from an OS that is booted from the SD card slot I doubt it will work at all. I was never able to make it work while something else was using the SD card slot. I was able to make it work some of the time if i was booted from the internal disk and had nothing inserted into the SD card slot at the time. I still suspect it is a hardware issue though.

Neko commented on this in the forums a good while back but I don't have a reference to the thread at the moment.
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leprovokateur
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PostPosted: Sat Jun 02, 2012 5:29 am 
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Joined: Wed May 02, 2012 11:21 am
Posts: 16
Quote:
Neko commented on this in the forums a good while back but I don't have a reference to the thread at the moment.
Thanks for the hint. So for the "archive" the mentioned post is this:
http://www.powerdeveloper.org/forums/vi ... 5310#15310
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