Hi Jeremy
Could you please send me the following:
* /proc/yaffs of a freshly mounted partition
* /proc/yaffs of the remounted partiton
* oops traceback
Thanx
-- charles
On Tuesday 19 April 2005 08:10, Jeremy Fillingim wrote:
> Hi guys,
>
> I have a custom PPC based system on which I have been running 2.6.10 +
> board specific changes. The flash part that we are using is a 256MB
> large page device (2048 page bytes + 64 spare bytes).
>
> Up to this point I have been using JFFS2 + Summary support (head of MTD
> CVS) with a small root partition (32MB) and a second large partition
> (>200MB). The JFFS2 performance is decent in most cases, but mount times
> can be terrible.
>
> I wanted to evaluate YAFFS2 as a possible replacement for JFFS2, so I
> pulled the latest YAFFS2 code out of CVS and updated my MTD to the latest
> CVS. A few minor changes to the Makefile and Kconfig stuff was all that was
> required to get YAFFS2 compiled.
>
> I am able to successfully mount an empty partition, and it "looks" like
> a write to that partition succeeds. However, when I attempt to unmount the
> YAFFS2 partition, I get a kernel oops. When I remount the partition,
> my files do not show up.
>
> This is the message that I receive when I unmount after touching a file
> on the YAFFS2 partition.
>
> VFS: Busy inodes after unmount. Self-destruct in 5 seconds. Have a nice
> day... idr_remove called for id=4 which is not allocated.
> Call trace:
> [c00b44e0] idr_remove+0x158/0x1f0
> [c004eac8] kill_anon_super+0x3c/0x6c
> [c004d964] deactivate_super+0xa0/0xd4
> [c0065cf4] __mntput+0x30/0x44
> [c0055798] path_release_on_umount+0x4c/0x60
> [c00665c8] sys_umount+0x2bc/0x2d4
> [c0002a00] ret_from_syscall+0x0/0x48
>
> I did my MTD and YAFFS2 CVS checkouts on Friday April 15.
>
> Thank you in advance for any insight you may have.
>
> On Sun, Apr 17, 2005 at 06:23:25PM +0800, zheng wei (jeanwelly@gmail.com)
wrote:
> > I want to use yaffs on 2.6.11, my cpu is 2410.
> > I am not sure whether I should update the MTD in 2.6.11.
> > But now I found ECC in mtd can't work correctly on nandflash.
> > Also I want to use yaffs as a root fs. How can I get started?
> > Thanks for any idea.
> >
> > On 4/17/05, Wookey <wookey@aleph1.co.uk> wrote:
> > > +++ Sergei Sharonov [05-04-14 10:33 -0500]:
> > > > Hi,
> > > >
> > > > I am working on ARM9/linux2.6.10 based system with a large
> > > > (256 MByte) NAND storage. Currently the filesystem used is jffs2.
> > > > Unfortunately the mount time is unacceptably long and I am
> > > > looking for an alternative. Can anybody comment on status
> > > > of YAFFS2? Note that version 2 is required since NAND page
> > > > size is 2 k.
> > >
> > > People are using YAFFS2 successfully. I'm not sure if any commercial
> > > products have actually shipped with it yet, but it is now tested and
> > > functional.
> > >
> > > For best mount-time splitting your flash into more than one partition
> > > is often smart so you can boot from a small partition and give user
> > > feedback whilst mounting a larger data partition. Obviously this
> > > doesn't suit all applications.
> > >
> > > We do have a plan for implementing checkpointing for much faster
> > > booting (under normal circumstances) but this work has not yet been
> > > sponsored by anyone.
> > >
> > > Wookey
> > > --
> > > Aleph One Ltd, Bottisham, CAMBRIDGE, CB5 9BA, UK Tel +44 (0) 1223
> > > 811679 work: http://www.aleph1.co.uk/ play:
> > > http://www.chaos.org.uk/~wookey/
> > >
> > > _______________________________________________
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> > > yaffs@stoneboat.aleph1.co.uk
> > > http://stoneboat.aleph1.co.uk/cgi-bin/mailman/listinfo/yaffs
> >
> > --
> > ---------
> > jeanwelly
> > Email: jeanwelly@gmail.com
> > China
> >
> > _______________________________________________
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> > yaffs@stoneboat.aleph1.co.uk
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>
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