Re: mpd5/Netgraph issues after upgrading to 7.4

2012-06-15 Thread Przemyslaw Frasunek
Dear All, unfortunately, one of my mpd5 PPPoE access servers started panicing every few hours. I'm running recent 8.3-STABLE (as of 23th May) with WITNESS, INVARIANTS and DEBUG_MEMGUARD compiled. Unfortunately, I'm unable to catch crashdump. For some reason, it is not saved on dumpdev. The only

Re: mpd5/Netgraph issues after upgrading to 7.4

2012-06-15 Thread Eugene Grosbein
15.06.2012 18:33, Przemyslaw Frasunek пишет: > Dear All, > > unfortunately, one of my mpd5 PPPoE access servers started panicing every few > hours. > > I'm running recent 8.3-STABLE (as of 23th May) with WITNESS, INVARIANTS and > DEBUG_MEMGUARD compiled. Unfortunately, I'm unable to catch crashdu

Re: mpd5/Netgraph issues after upgrading to 7.4

2012-06-15 Thread Eugene Grosbein
15.06.2012 18:50, Eugene Grosbein пишет: >> unfortunately, one of my mpd5 PPPoE access servers started panicing every few >> hours. >> >> I'm running recent 8.3-STABLE (as of 23th May) with WITNESS, INVARIANTS and >> DEBUG_MEMGUARD compiled. Unfortunately, I'm unable to catch crashdump. For >> so

Re: mpd5/Netgraph issues after upgrading to 7.4

2012-06-15 Thread Przemyslaw Frasunek
> One more: does your box has PS/2 keyboard or USB? It matters too. > For systems having USB keyboard there is another patch needed to obtain > crashdumps (by Andriy Gapon): Thanks a lot. I have KVM connected using USB. I'll apply this patch. ___ freebs

Re: FreeBSD TCP ignores zero window size

2012-06-15 Thread Darren Reed
Andre Oppermann wrote: On 03.04.2012 17:38, Darren Reed wrote: On 3/04/2012 11:45 PM, Andre Oppermann wrote: On 01.04.2012 09:27, Darren Reed wrote: The problem here is that it only tracks the window size as it grows, not as it shrinks. Thus the remote end setting its window size to 0 is ignor

Re: Window updates during periods of HIGH packet loss

2012-06-15 Thread cjharrer
I did look at later versions of the code and do not see any changes that would affect my test below. I have put a change into the code, which I'm sure would be frowned upon in the manner I did it, that fixes the problem and allows "PERSIST" to clear the situation. My change is in tcp_output.c

Re: mpd5/Netgraph issues after upgrading to 7.4

2012-06-15 Thread Gleb Smirnoff
On Fri, Jun 15, 2012 at 01:33:05PM +0200, Przemyslaw Frasunek wrote: P> unfortunately, one of my mpd5 PPPoE access servers started panicing every few P> hours. P> P> I'm running recent 8.3-STABLE (as of 23th May) with WITNESS, INVARIANTS and P> DEBUG_MEMGUARD compiled. Unfortunately, I'm unable to

Re: mpd5/Netgraph issues after upgrading to 7.4

2012-06-15 Thread Mike Tancsa
On 6/15/2012 4:31 PM, Gleb Smirnoff wrote: > On Fri, Jun 15, 2012 at 01:33:05PM +0200, Przemyslaw Frasunek wrote: > P> unfortunately, one of my mpd5 PPPoE access servers started panicing every > few > P> hours. > P> > P> I'm running recent 8.3-STABLE (as of 23th May) with WITNESS, INVARIANTS and

Re: mpd5/Netgraph issues after upgrading to 7.4

2012-06-15 Thread Przemyslaw Frasunek
> I suspect this isn't related to netgraph, but to IPv6 since prelist_remove() > is found in netinet6/nd6_rtr.c. > > Several times I looked into ND code and found lots of race prone code there. > May be some was recently fixed by bz@, but definitely not merged to stable/8. Thanks a lot guys. For