[EMAIL PROTECTED] writes:
> > See?
>
> I see! Dave, please, take the second Andrea's patch (appended).
> It is really the cleanest one.
Thanks a lot Andrea and Alexey. I've applied the patch.
Later,
David S. Miller
[EMAIL PROTECTED]
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Hello!
> If send_head doesn't point to skb then it is before it (and it cannot
> advance under us of course because we hold the sock lock) and so in such
> case we didn't clobbered the send_head at all in skb_entail, and so we
> don't need to touch send_head in order to undo (we only need to unli
On Tue, May 01, 2001 at 09:25:43PM +0400, [EMAIL PROTECTED] wrote:
> Hello!
>
> > zero and we are running in such slow path, it is obvious the send_head
> > _was_ NULL when we entered the critical section, so it's perfectly fine
>
> It is not only not obvious, it is not true almost always.
> On
Hello!
> zero and we are running in such slow path, it is obvious the send_head
> _was_ NULL when we entered the critical section, so it's perfectly fine
It is not only not obvious, it is not true almost always.
On normally working tcp send_head is almost never NULL,
it is NULL only when applica
On Tue, May 01, 2001 at 08:44:52PM +0400, [EMAIL PROTECTED] wrote:
> Hello!
>
> > this is the strict fix:
>
> Andrea, you caught the problem!
>
> The fix is not right though (it is equivalent to straight
> tp->send_head=NULL, as you noticed. It also corrupts queue in
> an opposite manner.) Righ
Hello!
> this is the strict fix:
Andrea, you caught the problem!
The fix is not right though (it is equivalent to straight
tp->send_head=NULL, as you noticed. It also corrupts queue in
an opposite manner.) Right fix is appended.
Explanation: in do_fault we must undo effect of enqueueing new se
On Mon, Apr 30, 2001 at 09:00:09PM +0400, [EMAIL PROTECTED] wrote:
> Hello!
>
> > My current theory is that tcpblast does something erratic when the
> > error occurs.
>
> It has buffer size of 32K, so that it faults at enough large chunk sizes.
>
> Erratic errno is because this applet prints er
On Mon, Apr 30, 2001 at 06:46:33PM +0200, Andrea Arcangeli wrote:
> On Sun, Apr 29, 2001 at 11:58:20PM -0700, David S. Miller wrote:
> > Andrew Morton writes:
> > > "David S. Miller" wrote:
> > Anyways, I just tried to reproduce Ralf's problem on two of my
> > machines. One was an SMP sparc64 sy
Hello!
> My current theory is that tcpblast does something erratic when the
> error occurs.
It has buffer size of 32K, so that it faults at enough large chunk sizes.
Erratic errno is because this applet prints errno on partial write.
Oops is apparently because I did something wrong in do_fault
On Sun, Apr 29, 2001 at 11:58:20PM -0700, David S. Miller wrote:
>
> Andrew Morton writes:
> > "David S. Miller" wrote:
> > >
> > > I'm having a devil of a time finding the tcpblast sources on the
> > > net, can you point me to where I can get them?
> >
> > I seem to have a copy.
> >
>
On Sun, 29 Apr 2001, David S. Miller wrote:
[snip]
>
> Anyways, I just tried to reproduce Ralf's problem on two of my
> machines. One was an SMP sparc64 system, and the other was my
> uniprocessor Athlon.
>
> What kind of machine are you reproducing this on Ralf? I'm not
> even getting the v
Andrew Morton writes:
> "David S. Miller" wrote:
> >
> > I'm having a devil of a time finding the tcpblast sources on the
> > net, can you point me to where I can get them?
>
> I seem to have a copy.
>
> http://www.zip.com.au/~akpm/tcpblast-19990504.tar.gz
Thanks to everyone who poin
"David S. Miller" schrieb:
> I'm having a devil of a time finding the tcpblast sources on the
> net, can you point me to where I can get them? The one reference
> I saw to get the original sources was:
>
> ftp://ftp.xlink.net/pub/network/tcpblast.shar.gz
>
> But even that directory no longer exi
Ralf Nyren writes:
> The problem appears when this value is set to 40481 or higher. For ex:
> $ tcpblast -d0 -s 40481 another_host 9000
...
> KERNEL: assertion (!skb_queue_empty(&sk->write_queue)) failed at tcp_timer.c(327):
> tcp_retransmit_timer
> Unable to handle kernel NULL pointer dere
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