micro sh

Joachim Ott jo.omsl at googlemail.com
Sun Feb 1 15:53:19 CET 2009


2009/2/1 Seth Rothenberg <seth at pachai.net>

> I bought a 4gb SDHC card, and it is not recognized.
> I thought I read on this list that it is supported.
> Is there something I need to do before fdisk?
>

Change your /etc/syslog.conf to values like this to preserve more messages:

DESTINATION="file"
ROTATESIZE=256
ROTATEGENS=5

The standard is destination "buffer" and only 64 kB, so an recurring error
overwrites the interesting messages.

grep for mmc, it should show more info:

# grep -i mmc /var/log/messages
Feb  1 15:00:12 gta02v6 user.debug kernel: mmc_set_power(power_mode=1,
vdd=20
Feb  1 15:00:13 gta02v6 user.debug kernel: mmc_set_power(power_mode=2,
vdd=15
Feb  1 15:00:13 gta02v6 user.info kernel: mmc0: new high speed SDHC card at
address d555
Feb  1 15:00:13 gta02v6 user.info kernel: mmcblk0: mmc0:d555 SU08G
7977472KiB
Feb  1 15:00:13 gta02v6 user.info kernel:  mmcblk0:<6>Registered led device:
gta02-power:blue
Feb  1 15:00:14 gta02v6 user.info kernel: VFS: Can't find a valid FAT
filesystem on dev mmcblk0.
Feb  1 15:00:14 gta02v6 user.info kernel: VFS: Can't find a valid FAT
filesystem on dev mmcblk0.
Feb  1 15:00:14 gta02v6 user.info kernel: VFS: Can't find a valid FAT
filesystem on dev mmcblk0p4.
Feb  1 15:00:14 gta02v6 user.info kernel: VFS: Can't find a valid FAT
filesystem on dev mmcblk0p4.
Feb  1 15:00:14 gta02v6 user.info kernel: Adding 500016k swap on
/dev/mmcblk0p5.  Priority:-1 extents:1 across:500016k

I had I/O-errors when there was no sim-card inserted (then the sd-card
holder can get loose a bit).
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