sio interrupt-level buffer overflows

Oleg Tarasov subscriber at osk.com.ua
Wed Mar 23 06:33:45 PST 2005


Hello,

Bruce Evans <bde at zeta.org.au> wrote:

> Oops.

> I can't explain the panic.  The only relevant difference that I can think
> of is that the change gives larger interrupt-level buffers in sio.  ppp
> might be depending on them not being very large.  However, at the interrupt
> level, ppp just copies data 1 character at a time into mbufs, so there is
> not much to go wrong.  Does the panic occur in ppp (in the kernel) or in sio?


Something really weird happening. I've returned sio.c to defaults, but
my kernel still panics. I am no debugger, so I can't say where this
panic occured. I have a dump, but don't know what do do with it. Seems
like my system got damaged somehow (maybe by kernel crash while
building kernel). So, I need a doctor :)

-- 
Best regards,
 Oleg Tarasov                          mailto:subscriber at osk.com.ua



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