DragonFly bugs List (threaded) for 2004-08
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Re: Internet problem after recent rewrite of mbuf
:Sorry, I mixed up the dates. I just went back to 02 August,
:so the revisions are:
:
:$DragonFly: src/sys/netinet/tcp_output.c,v 1.16 2004/07/17 20:31:31 hsu Exp $
:$DragonFly: src/sys/netinet/tcp_input.c,v 1.32 2004/07/27 17:57:02 drhodus Exp $
:
:And the problem is there. So it must be commits between 29
:July and 02 August.
:
:> What is the cvs rev on the file /usr/src/sys/netinet/tcp_input.c and
:> /usr/src/sys/netinet/tcp_output.c of the last known working kernel?
:
:A working kernel of 29 July:
:
:$DragonFly: src/sys/netinet/tcp_input.c,v 1.32 2004/07/27 17:57:02 drhodus Exp $
:$DragonFly: src/sys/netinet/tcp_output.c,v 1.16 2004/07/17 20:31:31 hsu Exp $
Ok, the MBUF changes were made July 31st. e.g. starting at
kern/uipc_mbuf.c 1.23 and kern/uipc_mbuf2.c 1.8, and other files.
My guess is that it is related to that. In particular, I made a change
to /usr/src/sys/net/sl/if_sl.c (1.14), but I don't see how that would
effect PPP. I am investigating now., but so far I don't see any
issues.
Make sure you are using 'buildkernel' to build the kernel and
'installkernel' to install it. It might be worth blowing away
the kernel object tree too, rm -rf /usr/obj/usr/src/sys/KERNELNAME
before the buildkernel.
It might be helpful to 'ktrace' your cpu-hogging ppp for a few seconds
(cd /tmp; ktrace -p <pid_of_cpu_hogging_ppp>; sleep 5; ktrace -C;
kdump -R > outputfile).
-Matt
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