On Tuesday 12 April 2011 10:34:38 giacomo 'giotti' mariani wrote: > 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
Perhaps just a crazy idea: make a loopback file with a ext2/3 fs and mount that on /var/cache/apt ? Kind regards, Ed _______________________________________________ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
