qtmoko v35
giacomo 'giotti' mariani
giacomomariani at yahoo.it
Tue Apr 12 10:34:38 CEST 2011
Hello everyone,
> [...]
>> > We had problems with ubifs too. Gennady talked to ubifs devs and they
>> > would like to see the kernel message and nandump so they could try
>> > too look into it.
>> >
>> > It seems that ubifs is not as stable as jffs2 which was 100% perfect.
>> > Only problem is that jffs2 cant do mmap and apt-get does not work
>> > without mmap.
>> >
>> > Jffs2 will never do mmap (according to the main devel it's a lot of
>> > complex work because of compression) so we have these options now:
>> >
>> > * live with bugged ubifs
>> > * patch apt-get so that it works without mmap
>> > * use the old trick with /var/cache/apt on tmpfs, but this has
>> > problems with limited memory and bigger upates/upgrades might not work
>> > * use some other flash filesystem - yaffs seems but does not support
>> > compression, i havent looked at logfs yet
>> >
>> > So any suggestions?
> We could use jffs2 if we link /var/cache/apt to a tiny partition on SD.
> Then while SD is in huge updates will work, if SD is removed -> no apt,
> but still a runing system.
In my opinion ubifs is a great improvement: it looks faster than jffs2
and less memory consumer than jffs2.
It should be used, if possible. So I suggest to use it and to send
kernel messages and nandump to ubifs guys in order to help them.
And that's what I'm doing ;-)
Cheers
Giacomo
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giacomo 'giotti' mariani
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