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Re: ext2fs corruptions and other things ...

To: Michael Engel <>,,
Subject: Re: ext2fs corruptions and other things ...
Date: Sun, 19 Jul 1998 02:34:21 +0200
In-reply-to: <199807182253.AAA10366@jordan.numerik>; from Michael Engel on Sun, Jul 19, 1998 at 12:53:14AM +0200
References: <199807182253.AAA10366@jordan.numerik>
On Sun, Jul 19, 1998 at 12:53:14AM +0200, Michael Engel wrote:

> sorry for all the delays and everything ... it were two very busy weeks :-(.
> Following Ralfs proposal, how about a MIPS hackers' BBQ now that it looks
> like the eternal rain in Germany has stopped ;) ?

Clear sky for the first time since ...  can't remember ...

> Back to hacking ... I just got 2.1.100 running on my RM200 and noticed
> two things:
> - Automatic IRQ detection of ISA cards doesn't work. Does it work on any
>   other MIPS machines ? Setting a fixed irq line makes my NE2000 and IDE
>   controller work in the ISA slots. 

I remember getting strange messages from the interrupt probing code on the
RM200C but aside that IDE was working just fine.  It's very, very long
since I last tried some other isa-ish periphery in the machine.

Quite some time Thomas commited a patch to arch/mips/kernel/irc.c which was
actually supposed to fix the probing problem, maybe he can comment.

> - NFS root works fine, I'm up and running multi user with the old rootfs-0.01 
> -
>   fine ! However, I suspect quite some problems with these binaries ... 

Since the release of root-0.01 (little endian) I had to break the binary
compatibility in two important points.  These binaries aren't any longer
supposed to be really useable.

> - Whenever I try to untar rootfs-0.01.tar.gz on my IDE hard disk, I get
>   a fs corrution (usually after creating the second directory):
>   EXT2-fs error (device 03:00):
>   ext2_readdir: bad entry in directory #2: 
>   rec_len is smaller than minimal - offset=896, inode=0, rec_len=0, 
>   name_len=0
>   [Note that I'm using the raw disk /dev/hda as fdisk doesn't seem to 
>    create correct partition information]

I've used a newer build of fdisk (< 1 year :-) and there is no problem at
all with partitioning.  IDE is prefectly reliable for me.

We actually had more reports about problems with filesystems on /dev/sdx
on Indys.  There seems to be a clear pattern of a bug, but for now I
classify that one as lower priority.

>   Has anyone seen similar effects on MIPS machines ?
> Off to read the intel 82596 ethernet controller docs ...

Btw, Linux supports two 82596 based Ethernet adapters.


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