Subject: Re: kern/29787: recurrent kernel panics on a i386 router with 2 wm nics
To: None <kern-bug-people@netbsd.org, gnats-admin@netbsd.org,>
From: Markus W Kilbinger <kilbi@rad.rwth-aachen.de>
List: netbsd-bugs
Date: 04/07/2005 08:24:01
The following reply was made to PR kern/29787; it has been noted by GNATS.

From: Markus W Kilbinger <kilbi@rad.rwth-aachen.de>
To: gnats-bugs@NetBSD.org
Cc: kern-bug-people@NetBSD.org, gnats-admin@NetBSD.org,
	netbsd-bugs@NetBSD.org, current-users@netbsd.org
Subject: Re: kern/29787: recurrent kernel panics on a i386 router with 2 wm nics
Date: Thu, 7 Apr 2005 10:23:38 +0200

 >Number:         29787
 >Category:       kern
 >Synopsis:       recurrent kernel panics on a i386 router with 2 wm nics
 
 As a follow up I managed to catch one of those panics (now with NetBSD
 3.99.3 (RADIX) #20: Wed Apr 6 22:19:54 MEST 2005) in ddb:
 
   panic: m_copym: m == 0, len 1 [!COPYALL]
   Stopped at      netbsd:cpu_Debugger+0x4:        popl    %ebp
   db> bt
   cpu_Debugger(c03f82e8,c04ebb54,c04ebbe8,c011b3f4,c181204c) at netbsd:cpu_Debugge
   r+0x4
   panic(c041fbc0,1,0,0,0) at netbsd:panic+0x12b
   m_copym0(0,3c,1,1,0) at netbsd:m_copym0+0x490
   m_copym(c1d46900,3c,382,1,c22a1a64) at netbsd:m_copym+0x2c
   tcp_build_datapkt(c22bd44c,c22a1a64,1d7c,382,28) at netbsd:tcp_build_datapkt+0x2
   0c
   tcp_output(c22bd44c,c04ebcb8,0,110d7eb0,c22bd44c) at netbsd:tcp_output+0x119c
   tcp_sack_newack(c22bd44c,cb069822,14,cb069822,c22b6c00) at netbsd:tcp_sack_newac
   k+0x106
   tcp_input(c22b6c00,14,6,1,c181204c) at netbsd:tcp_input+0x191f
   ip_input(c22b6c00,0,0,7,0) at netbsd:ip_input+0x5d3
   ipintr(c04e0010,30,10,80010010,c04e8000) at netbsd:ipintr+0x7b
   DDB lost frame for netbsd:Xsoftnet+0x41, trying 0xc04ebe70
   Xsoftnet() at netbsd:Xsoftnet+0x41
   0x246:
   db>