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kern/40462: bnx0: Double mbuf allocation failure!
>Number: 40462
>Category: kern
>Synopsis: bnx0: Double mbuf allocation failure!
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Fri Jan 23 17:15:00 +0000 2009
>Originator: Jarle Greipsland
>Release: NetBSD 5.0_BETA
>Organization:
>Environment:
System: NetBSD nyc.uninett.no 5.0_BETA NetBSD 5.0_BETA (NYC) #1: Thu Jan 8
16:38:34 CET 2009
jarle%nyc.uninett.no@localhost:/usr/obj/sys/arch/i386/compile/NYC i386
Architecture: i386
Machine: i386
>Description:
The system is an IBM e-series rack server with two built-in ethernet
ports. The ports are driven by the bnx driver. It had been running for
some time using only one network port, and I was trying to bring up the
second port when it paniced. I gathered some console log output, and tried
again. Same panic.
Console log:
panic: bnx0: Double mbuf allocation failure!
fatal breakpoint trap in supervisor mode
trap type 1 code 0 eip c0302a5c cs 8 eflags 246 cr2 80699a0 ilevel 6
Stopped in pid 0.2 (system) at netbsd:breakpoint+0x4: popl %ebp
db{0}>
db{0}> trace
breakpoint(c03ced3b,cc418ed8,c0400bc0,10,5,cbebb012,0,c02ecd48,19a,c37e9a00) at
netbsd:breakpoint+0x4
panic(c03e9af8,cc48aea4,cc418f0e,cc418f0c,cc418f08,ce493000,cc490004,dbaa,dba1,cbeb6800)
at netbsd:panic+0x1b8
bnx_rx_intr(cc490000,cc493000,84,60000,8,0,cc490004,c2a30480,0,6) at
netbsd:bnx_rx_intr+0x3e4
bnx_intr(cc490000,0,0,0,cbca7c80,0,c2c5b680,c0106dad,c2a30480,cbc9eca8) at
netbsd:bnx_intr+0xe5
intr_biglock_wrapper(c2a30480,cbc9eca8,0,0,0,0,0,0,0,0) at
netbsd:intr_biglock_wrapper+0x1f
DDB lost frame for netbsd:Xintr_ioapic_level1+0xad, trying 0xcc418f74
Xintr_ioapic_level1() at netbsd:Xintr_ioapic_level1+0xad
--- interrupt ---
--- switch to interrupt stack ---
x86_mwait(0,0,0,c025e152,cbca7c80,cbca4ec0,cbc9ed2c,c024d006,cbca7c80,0) at
netbsd:x86_mwait+0xc
x86_cpu_idle_mwait(cbca7c80,0,c0400bc0,cbca7c80,c024cf20,cbca7c80,0,c01002e1,cbca7c80,0)
at netbsd:x86_cpu_idle_mwait+0x44
idle_loop(cbca7c80,0,c01002cd,0,c01002cd,0,0,0,0,0) at netbsd:idle_loop+0xe6
db{0}> ps
PID PPID PGRP UID S FLAGS LWPS COMMAND WAIT
1221 651 1221 0 2 0x4000 1 ifconfig
1255 585 1255 1000 2 0x4000 1 top select
1170 761 1170 1003 2 0x4000 1 bash ttyraw
761 1003 1003 1003 2 0x100 1 sshd select
1003 739 1003 0 2 0x4101 1 sshd netio
902 371 371 12 2 0x4100 1 pickup kqueue
651 760 651 0 2 0x4000 1 tcsh pause
760 775 760 1000 2 0x4000 1 bash wait
775 741 741 1000 2 0x4000 1 xterm select
741 678 741 1000 2 0x4000 1 csh pause
678 354 354 1000 2 0x100 1 sshd select
354 739 354 0 2 0x4100 1 sshd netio
739 1 739 0 2 0 1 sshd select
585 559 585 1000 2 0x4000 1 bash wait
559 571 571 1000 2 0x100 1 sshd select
571 1 571 0 2 0x4101 1 sshd netio
452 1 452 0 2 0x4000 1 getty ttyraw
409 371 371 12 2 0x4100 1 qmgr kqueue
404 1 404 0 2 0x4000 1 getty ttyraw
405 1 405 0 2 0x4000 1 getty ttyraw
406 1 406 0 2 0x4000 1 getty ttyraw
394 1 394 0 2 0 1 cron nanoslp
360 1 360 0 2 0 1 inetd kqueue
371 1 371 0 2 0x4100 1 master kqueue
255 1 255 15 2 0x100 1 ntpd pause
154 1 154 14 2 0x100 5 named *
119 1 119 0 2 0 1 syslogd
1 0 1 0 2 0x4001 1 init wait
*0 -1 0 0 2 0x20002 49 system *
db{0}> mach cpu 1
using CPU 1
db{0}> trace
_kernel_lock(1,d1796f00,d15fcc1c,c0277b93,c29d1800,90,1001,d1796f00,90,0) at
netbsd:_kernel_lock+0xb5
soo_ioctl(d1796f00,c0906911,d1388948,0,0,d1629d00,0,c02a34e0,c3761028,c02a34e0)
at netbsd:soo_ioctl+0x7c
sys_ioctl(d1629d00,d15fcd00,d15fcd28,3,c0906911,bfbfe220,bbbd7d68,ffffffff,0,0)
at netbsd:sys_ioctl+0x13d
syscall(d15fcd48,b3,ab,1f,1f,3,bfbfe328,bfbfe2c8,bfbfe220,5) at
netbsd:syscall+0xa9
db{0}> reboot 4
[ ... second panic starts here ... ]
panic: bnx0: Double mbuf allocation failure!
fatal breakpoint trap in supervisor mode
trap type 1 code 0 eip c0302a5c cs 8 eflags 246 cr2 bb5faffc ilevel 6
Stopped in pid 0.2 (system) at netbsd:breakpoint+0x4: popl %ebp
db{0}> trace
breakpoint(c03ced3b,cc418ed8,c0400bc0,10,5,d0f6488c,0,c02ecd48,1d,c374a800) at
netbsd:breakpoint+0x4
panic(c03e9af8,cc48aea4,cc418f0e,cc418f0c,cc418f08,ce493000,cc490004,25,24,cbe0a800)
at netbsd:panic+0x1b8
bnx_rx_intr(cc490000,cc493000,84,60000,8,3f8,cc490004,c2a30480,0,6) at
netbsd:bnx_rx_intr+0x3e4
bnx_intr(cc490000,800,30c10000,0,0,0,c2c5b680,c0106dad,c2a30480,cbc9eca8) at
netbsd:bnx_intr+0xe5
intr_biglock_wrapper(c2a30480,cbc9eca8,0,0,0,0,0,0,0,0) at
netbsd:intr_biglock_wrapper+0x1f
DDB lost frame for netbsd:Xintr_ioapic_level1+0xad, trying 0xcc418f74
Xintr_ioapic_level1() at netbsd:Xintr_ioapic_level1+0xad
--- interrupt ---
--- switch to interrupt stack ---
x86_mwait(0,0,0,c025e152,cbca7c80,cbca4ec0,cbc9ed2c,c024d006,cbca7c80,0) at
netbsd:x86_mwait+0xc
x86_cpu_idle_mwait(cbca7c80,0,c0400bc0,cbca7c80,c024cf20,cbca7c80,0,c01002e1,cbca7c80,0)
at netbsd:x86_cpu_idle_mwait+0x44
idle_loop(cbca7c80,0,c01002cd,0,c01002cd,0,0,0,0,0) at netbsd:idle_loop+0xe6
db{0}> mach cpu 1
using CPU 1
db{0}> trace
x86_mwait(0,0,0,c025e152,cbcaa2a0,cbca4dc0,cc422d20,c024d006,cbcaa2a0,0) at
netbsd:x86_mwait+0xc
x86_cpu_idle_mwait(cbcaa2a0,0,c2a16000,0,cc422da0,0,cbcaa2a0,c2a16000,0,c024cf20)
at netbsd:x86_cpu_idle_mwait+0x44
idle_loop(0,c024cf20,cbcaa2a0,c01002d0,0,c01002cd,0,c01002cd,0,0) at
netbsd:idle_loop+0xe6
Bad frame pointer: 0xcbcaa2a0
db{0}> reboot 4
>How-To-Repeat:
Bring up two bnx interface on a system?
>Fix:
>Unformatted:
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