[debian-non-standard] Strange file system error
Mikael Nordlin
ra.nordlin at gmail.com
Wed Apr 14 08:20:22 CEST 2010
If I may share my experience with Debian on devices, for what it's
worth:
More than a year ago, I managed to upgrade a Slug with Debian Lenny,
from a USB stick. It still runs rock solid today, and primarily serves
asterisk 1.4. This is my only Debian experience, my routers run
OpenWRT today, and a very positive one.
I also had a spare router, a Freecom FSG-3 with a very poor WLAN card
(Marvell based). This I tried to get running on Debian using Tomasz
Chmielewski's guide (and images of course) successfully to some
extent. It booted from the stick, but irrecoverable boot media erfors
were produced. I was not able to fix the problem, and the router type
was dead then already. I did find however suggestions that a newer
kernel (2.6.18 was what I had I think) and I have never compiled à
kernel. So I gave up.
I'm not sure, but was it the IDE drivers that were producing false
errors under load on this particular platform?
I hope you get your system running. If you do I'm sure I'll give My
old FSG à new chance.
Thank you all for your contributions to this project!
Mikael Nordlin
13 apr 2010 kl. 23.44 skrev Sven Nieslony <sven.nieslony at netviewer.com>:
> Hi all,
>
>>> Do a write test on all surface, with:
>>>
>>> badblocks -v -w /dev/sdX
>
> A few days later here my results:
>
> Badblocks didn't find any errors on my USB stick after running on my
> computer.
> So I've tried again, flashed again the kernel to be sure and copied
> the root file system to the USB stick.
> After 3 hours the tmp folder vanished and made the system going mad.
> asus-debian:~# ls -alh /
> total 80K
> drwxr-xr-x 21 root root 4.0K Apr 6 2010 .
> drwxr-xr-x 21 root root 4.0K Apr 6 2010 ..
> drwxr-xr-x 2 root root 4.0K Apr 4 2007 bin
> [...]
> drwxr-xr-x 10 root root 0 Jan 1 01:00 sys
> ?--------- ? ? ? ? ? tmp
> drwxr-xr-x 10 root root 4.0K Mar 14 2006 usr
> drwxr-xr-x 13 root root 4.0K Nov 1 2006 var
> asus-debian:/# file /tmp
> /tmp: ERROR: cannot open `/tmp' (Input/output error)
>
> Immediately after unplugging the USB stick I checked it with the
> computer and everything was there. A fsck gave me no result and
> rsyncing (with -avn option) the stick with the extracted tar showed
> only the usual files (e.g. some files in /var) had changed.
>
> It looks like the router is having problems reading/writing the USB
> stick.
>
> I had another idea to verify this:
> I took a new USB stick and made it the root file system, attached
> the old one (which was OK after checking with badblocks on my
> computer and which passed the fsck) and did a badblocks check from
> the router.
> With the first pattern there were almost 500 errors; with the second
> pattern multiple thousand errors...
>
> Now I did a final check:
> Once again the kernel flashed, file system on the new stick and
> another try - just booting and leaving the router untouched (no
> login, almost no I/O...). After one night there was no more ping
> from the router. I checked the stick an it was broken.
>
> In result one broken stick (fortunately an advertising gift) and one
> broken router. :-(
>
> Afterwards I borred me an Asus WL-500GP which we had used in the
> company as openwrt VPN router and started another try:
> This one is up and running since Saturday with almost no issues -
> after having generated the de_DE.UTF-8 locale which took about 10
> minutes the /home folder vanished and it gave me the same result
> like described above but a forced fsck with mounted file system
> resulted only with one lost inode. I recreated the /home folder and
> had no problem since then
>
> Seems to that a high load will cause the routers to have I/O errors
> on the USB ports.
>
> I've bought a new WL-500GP on ebay (I found a brand new one for a
> really good price :-) ) and will start a new try!
>
> Thanks for your help and have much fun with your Asus!
>
> Sven
>
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