Re: pls help me

From: Richard B. Johnson (root@chaos.analogic.com)
Date: Thu Oct 24 2002 - 07:13:42 EST


On 24 Oct 2002, yf wrote:

> Hi, all,
>
> Recently I wrote a file-system under Linux. When mounting, it prints
> these messages. I use iget(sb, ino) to get the root inode.
>
> But when run into get_new_inode():wake_up(), it hangs there. Who could
> give me some hints?
>
> what the dmesg output:
> ************************************************************************
>
> ==> vvfs_init()
> ==> vvfs_read_super(<NULL>)
> ==> vvfs_connect(192.168.1.57, 52886)
> 2, 38606, 956410048
> <== vvfs_connect()OK
> superblock ordinary filling ok
> ==> vvfs_alloc_inode()
> <== vvfs_alloc_inode()
> ==> vvfs_read_inode(c67fb000)
> get sb sock
> get inode fid
> root inode
> fetch inode OK
> set server info OK
> <== vvfs_read_inode()c67fb000
> Unable to handle kernel paging request at virtual address fffffffc

There is no way somebody can help you with "Recently I wrote a file-
system...." We don't have your source-code and we don't even know if
you know how to write a file-system. However, the -
  Unable to handle kernel paging request at virtual address fffffffc
- is a good hint that some pointer isn't initialized correctly under
all the conditions occurring during the mount.

Cheers,
Dick Johnson
Penguin : Linux version 2.4.18 on an i686 machine (797.90 BogoMips).
   Bush : The Fourth Reich of America

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