Re: wheezy on Acer Aspire One 725

[Jérôme <jerome@aranha.fr>]

Le mardi 11 décembre 2012 à 22:07 +0100, Damjan Zemljič a écrit :
> Hi,
> thank you all for the hints (and great humor, Jerome), 

(^_^);

> however, it 
> didn't help. Btw. I've tried with dd before too, but the result is known.
> 
> What has been done so far:
> - wheezy CD 64 bit image iso is downloaded, md5sum is correct
> - USB is formatted to FAT32 (tried with FAT16 too - but I guess BIOS 
> handles FAT32)
> - dd (with bs=1M, 4M, none (defaulting to 512KB) / cat to device 
> corrupts the filesystem on a device
> - after image "is written on a USB device" that USB is "readable" on 
> Linux, but not on Windows (and BIOS). Disk Utility on Ubuntu reports 
> filesystem is not clean. Tried with GParted to fix the filesystem, 
> without success.
> - tried to write to the device while mounted/unmounted. Is there any 
> difference if device file is stated as a target?
> 
> Can anyone create bootable USB with *wheezy* bits for yourself?
> 
> Regards,
> Damjan

# umount /dev/sdb

# dd if=debian-wheezy-DI-b4-amd64-netinst.iso of=/dev/sdb && sync
453504+0 enregistrements lus
453504+0 enregistrements écrits
232194048 octets (232 MB) copiés, 58,6602 s, 4,0 MB/s

# fdisk -l
[...]
Disque /dev/sdb : 4040 Mo, 4040724480 octets
125 têtes, 62 secteurs/piste, 1018 cylindres, total 7892040 secteurs
Unités = secteurs de 1 * 512 = 512 octets
Taille de secteur (logique / physique) : 512 octets / 512 octets
taille d'E/S (minimale / optimale) : 512 octets / 512 octets
Identifiant de disque : 0x790b9a4c

Périphérique Amorce  Début        Fin      Blocs     Id  Système
/dev/sdb1   *          64      452607      226272   17  HPFS/NTFS
masquée
/dev/sdb2          452608      453503         448    1  FAT12


# mount |grep sdb
/dev/sdb2 on /media/Debian wheezy-DI-b4 amd64 1 type vfat
(rw,nosuid,nodev,relatime,uid=1000,gid=1000,fmask=0022,dmask=0077,
codepage=cp437,iocharset=utf8,shortname=mixed,showexec,utf8,flush,
errors=remount-ro,uhelper=udisks)

# ls -l /media/Debian\ wheezy-DI-b4\ amd64\ 1 
total 2,0K
drwx------ 3 azuki azuki 2,0K nov.  18 12:38 efi/

My key work on reboot. Perhaps your USB key is defective ?


P.S. After USB install, look at /etc/fstab and remove sdb line.
Otherwise auto mount don't work.

Best regards