lkml.org 
[lkml]   [2000]   [Feb]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: PPP is not SMP safe in 2.2.X, Oops
Date
Hello!

> Oleg Drokin wrote:
> > It seems PPP is not SMP safe in 2.2.X
> Hmmm... looks like you're right. Someone is stepping on ppp->tpkt in between
> the time ppp_tty_push called ppp_async_encode and it was done with the packet.
Sure, I know. I getting these crashes often.

> ppp_tty_flush_output - seems unlikely. I don't know if its actually SMP
> safe, but you're probably not getting flushes
> ppp_async_release - could be... does this happen perchance when a connection
> is being closed?
How can I know?

> another ppp_tty_push - uh, I really hope ppp->tty_pushing isn't the only
> thing serializing access here.. that doesn't look healthy to me.
I think that exactly this happens, we have 2 ppp_tty_push running, one after
one.

Bye,
Oleg
--
* Если враг не сдается - его перезагружают!
[RAVE *SUCKS* TEAM] [Team $Ui(iDE] [Trans-M Must Die!] [Sepultura Fans Team]
[Tolkien forever team]

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:56    [W:0.077 / U:0.420 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site