Re: PC164: access to user space memory stops system

[Richard Henderson <rth twiddle net>]

On Thu, Sep 02, 1999 at 01:25:36PM +0200, krebs@qkal.sap-ag.de wrote:
> since the do_clear_user routine stops my system (PC164 500Mhz with
> 256 MB), i wrote my own version of it. and the result is the same,
> as soon as i try to write the address (0x2000011CC3C) ...

What the hell are you doing?  The do_clear_user routine is fine.
I disbelieve you are hanging on the same virtual address every time.

> i don't know what causes this behaviour:
> -corrupt memory or cache? (it works fine under nt)

NT doesn't turn on machine checks.  Linux does, but you should be
getting one if you have memory problems.

> -an error during memory mapping? (is this address possible?)

That's a reasonable address for a user's shared library.


r~