Repeatable mbuf leak leading to crash in current of Saturday 20th
November and all snapshots I've taken prior to that since August (i.e.
when I got the ISDN card).
Hardware is BT Highway (AVM PCI) passive ISDN card.
It's triggered when I call my ISDN number from a PSTN telephone, and use
the standard example i4b answer script to play the caller a greeting. If
the caller then disconnects BEFORE the outgoing message is complete,
repeated use of netstat -m shows that mbufs continue to be allocated
until they are all consumed after several minutes.
I have reported this before (September), but this time I've got the
evidence. Sorry I can't offer a fix, but if someone who knows this code
could please take a look...
panic: L1 avma1pp_hscx_intr: RPF, cannot allocate new mbuf!
#0 boot (howto=256) at ../../kern/kern_shutdown.c:273
273 dumppcb.pcb_cr3 = rcr3();
(kgdb) bt
#0 boot (howto=256) at ../../kern/kern_shutdown.c:273
#1 0xc015fc04 in poweroff_wait (junk=0xc02724c0, howto=-1070891776)
at ../../kern/kern_shutdown.c:523
#2 0xc023cc99 in avma1pp_hscx_intr (h_chan=0, stat=2164391968,
sc=0xc02b7d00)
at ../../i4b/layer1/i4b_avm_fritz_pci.c:1110
#3 0xc023cefd in avma1pp_hscx_int_handler (sc=0xc02b7d00)
at ../../i4b/layer1/i4b_avm_fritz_pci.c:1224
#4 0xc023cfd4 in avma1pp_intr (sc=0xc02b7d00)
at ../../i4b/layer1/i4b_avm_fritz_pci.c:1276
#5 0xc0237715 in intr_mux (arg=0xc04d5bc0)
at ../../i386/isa/intr_machdep.c:570
=========== isdntrace controller #0 =========== started Thu Nov 25
21:22:22 1999-- NT->TE - unit:0 - frame:000001 - time:25.11
21:22:25.761050 - length:4 ------Dump:000 02 e7 01 07
....Q921: SAP=0 (Call Control), C, TEI=115, S-Frame: RR N(R) 3 PF 1 --
TE->NT - unit:0 - frame:000002 - time:25.11 21:22:25.761050 - length:4 -
-----Dump:000 02 e7 01 05
....Q921: SAP=0 (Call Control), R, TEI=115, S-Frame: RR N(R) 2 PF 1 --
NT->TE - unit:0 - frame:000003 - time:25.11 21:22:27.601068 - length:29
-----Dump:000 02 ff 03
...Q921: SAP=0 (Call Control), C, TEI=127, U-Frame: UI PF 0 Dump:003 08
01 01 05 a1 04 03 90 90 a3 18 01 89 1e 02 84
................Dump:019 83 70 07 81 33 31 36 30 35 35
.p..316055Q931: pd=Q.931/I.451, cr=0x01 (from origination),
message=SETUP: [sending complete] [bearer capability:
cap=3.1 kHz audio std=CCITT rate=64 kbit/s
mode=circuit layer1=G.711 A-law] [channel id: channel=B-1
(exclusive)] [progress ind: Std=CCITT, Loc=Public network serving
remote user Description: Origination address is non-ISDN]
[called party number: 316055 (type=unknown, plan=ISDN)]-- TE->NT -
unit:0 - frame:000004 - time:25.11 21:22:27.601068 - length:8 ------
Dump:000 00 e7 06 04
....Q921: SAP=0 (Call Control), C, TEI=115, I-Frame: N(S) 3 N(R) 2 P 0
Dump:004 08 01 81 07
....Q931: pd=Q.931/I.451, cr=0x01 (from destination), message=CONNECT: -
- NT->TE - unit:0 - frame:000005 - time:25.11 21:22:27.631080 - length:4
------Dump:000 00 e7 01 08
....Q921: SAP=0 (Call Control), R, TEI=115, S-Frame: RR N(R) 4 PF 0 --
NT->TE - unit:0 - frame:000006 - time:25.11 21:22:27.651071 - length:8 -
-----Dump:000 02 e7 04 08
....Q921: SAP=0 (Call Control), C, TEI=115, I-Frame: N(S) 2 N(R) 4 P 0
Dump:004 08 01 01 0f
....Q931: pd=Q.931/I.451, cr=0x01 (from origination), message=CONNECT
ACKNOWLEDGE: -- TE->NT - unit:0 - frame:000007 - time:25.11
21:22:27.651071 - length:4 ------Dump:000 02 e7 01 06
....Q921: SAP=0 (Call Control), R, TEI=115, S-Frame: RR N(R) 3 PF 0 --
NT->TE - unit:0 - frame:000008 - time:25.11 21:22:29.231086 - length:4 -
-----Dump:000 00 fb 01 11
....Q921: SAP=0 (Call Control), R, TEI=125, S-Frame: RR N(R) 8 PF 1 --
NT->TE - unit:0 - frame:000009 - time:25.11 21:22:30. 31093 - length:4 -
-----Dump:000 00 fd 01 29
...)Q921: SAP=0 (Call Control), R, TEI=126, S-Frame: RR N(R) 20 PF 1 --
NT->TE - unit:0 - frame:000010 - time:25.11 21:22:31.891112 - length:16
-----Dump:000 02 e7 06 08
....Q921: SAP=0 (Call Control), C, TEI=115, I-Frame: N(S) 3 N(R) 4 P 0
Dump:004 08 01 01 45 08 02 80 90 1e 02 82 88
...E........Q931: pd=Q.931/I.451, cr=0x01 (from origination),
message=DISCONNECT: [cause: 16: Normal call clearing (Q.850)
(location=user, std=CCITT)] [progress ind: Std=CCITT, Loc=Public
network serving local user Description: In-band info or
appropriate pattern now available]-- TE->NT - unit:0 - frame:000011 -
time:25.11 21:22:31.891112 - length:8 ------Dump:000 00 e7 08 08
....Q921: SAP=0 (Call Control), C, TEI=115, I-Frame: N(S) 4 N(R) 4 P 0
Dump:004 08 01 81 4d
...MQ931: pd=Q.931/I.451, cr=0x01 (from destination), message=RELEASE: -
- NT->TE - unit:0 - frame:000012 - time:25.11 21:22:31.911119 - length:4
------Dump:000 00 e7 01 0a
....Q921: SAP=0 (Call Control), R, TEI=115, S-Frame: RR N(R) 5 PF 0 --
NT->TE - unit:0 - frame:000013 - time:25.11 21:22:31.941114 - length:8 -
-----Dump:000 02 e7 08 0a
....Q921: SAP=0 (Call Control), C, TEI=115, I-Frame: N(S) 4 N(R) 5 P 0
Dump:004 08 01 01 5a
...ZQ931: pd=Q.931/I.451, cr=0x01 (from origination), message=RELEASE
COMPLETE: -- TE->NT - unit:0 - frame:000014 - time:25.11 21:22:31.941114
- length:4 ------Dump:000 02 e7 01 0a
....Q921: SAP=0 (Call Control), R, TEI=115, S-Frame: RR N(R) 5 PF 0 --
NT->TE - unit:0 - frame:000015 - time:25.11 21:22:39.231184 - length:4 -
-----Dump:000 02 fb 01 11
....Q921: SAP=0 (Call Control), C, TEI=125, S-Frame: RR N(R) 8 PF 1 --
NT->TE - unit:0 - frame:000016 - time:25.11 21:22:39.311186 - length:4 -
-----Dump:000 00 fb 01 11
....Q921: SAP=0 (Call Control), R, TEI=125, S-Frame: RR N(R) 8 PF 1 --
NT->TE - unit:0 - frame:000017 - time:25.11 21:22:40. 41192 - length:4 -
-----Dump:000 02 fd 01 29
...)Q921: SAP=0 (Call Control), C, TEI=126, S-Frame: RR N(R) 20 PF 1 --
NT->TE - unit:0 - frame:000018 - time:25.11 21:22:40.111194 - length:4 -
-----Dump:000 00 fd 01 29
...)Q921: SAP=0 (Call Control), R, TEI=126, S-Frame: RR N(R) 20 PF 1 --
NT->TE - unit:0 - frame:000019 - time:25.11 21:22:41.971211 - length:4 -
-----Dump:000 02 e7 01 0b
....Q921: SAP=0 (Call Control), C, TEI=115, S-Frame: RR N(R) 5 PF 1 --
TE->NT - unit:0 - frame:000020 - time:25.11 21:22:41.971211 - length:4 -
-----Dump:000 02 e7 01 0b
....Q921: SAP=0 (Call Control), R, TEI=115, S-Frame: RR N(R) 5 PF 1
machine i386
cpu I386_CPU
cpu I486_CPU
cpu I586_CPU
cpu I686_CPU
ident SHREWD
maxusers 64
makeoptions DEBUG=-g #Build kernel with gdb(1) debug
symbols
#options MATH_EMULATE #Support for x87 emulation
options INET #InterNETworking
options FFS #Berkeley Fast Filesystem
options FFS_ROOT #FFS usable as root device [keep
this!]
options MFS #Memory Filesystem
options MFS_ROOT #MFS usable as root device,
"MFS" req'ed
options NFS #Network Filesystem
options NFS_ROOT #NFS usable as root device,
"NFS" req'ed
options MSDOSFS #MSDOS Filesystem
options CD9660 #ISO 9660 Filesystem
options CD9660_ROOT #CD-ROM usable as root. "CD9660"
req'ed
options PROCFS #Process filesystem
options COMPAT_43 #Compatible with BSD 4.3 [KEEP
THIS!]
options SCSI_DELAY=15000 #Be pessimistic about Joe SCSI
device
options UCONSOLE #Allow users to grab the console
options USERCONFIG #boot -c editor
options VISUAL_USERCONFIG #visual boot -c editor
options KTRACE #ktrace(1) syscall trace support
options SYSVSHM #SYSV-style shared memory
options SYSVMSG #SYSV-style message queues
options SYSVSEM #SYSV-style semaphores
options PANIC_REBOOT_WAIT_TIME=-1
# To make an SMP kernel, the next two are needed
#options SMP # Symmetric MultiProcessor
Kernel
#options APIC_IO # Symmetric (APIC) I/O
# Optionally these may need tweaked, (defaults shown):
#options NCPU=2 # number of CPUs
#options NBUS=4 # number of busses
#options NAPIC=1 # number of IO APICs
#options NINTR=24 # number of INTs
controller isa0
#controller pnp0 # PnP support for ISA
#controller eisa0
controller pci0
# Floppy drives
controller fdc0 at isa? port IO_FD1 irq 6 drq 2
device fd0 at fdc0 drive 0
device fd1 at fdc0 drive 1
# IDE controller and disks
#controller wdc0 at isa? port IO_WD1 irq 14
#device wd0 at wdc0 drive 0
#device wd1 at wdc0 drive 1
#controller wdc1 at isa? port IO_WD2 irq 15
#device wd2 at wdc1 drive 0
#device wd3 at wdc1 drive 1
# ATAPI devices on wdc?
#device wcd0 #IDE CD-ROM
#device wfd0 #IDE Floppy (e.g. LS-120)
#device wst0 #IDE Tape (e.g. Travan)
# The 'ATA' driver supports all ATA and ATAPI devices.
# It can reuse the majors of wd.c for booting purposes.
# You only need one "controller ata0" for it to find all
# PCI ATA/ATAPI devices on modern machines.
#controller ata0
device atadisk0 # ATA disk drives
device atapicd0 # ATAPI CDROM drives
#device atapifd0 # ATAPI floppy drives
#device atapist0 # ATAPI tape drives
#The folliwing options are valid on the ATA driver:
#
# ATA_STATIC_ID: controller numbering is static (like the old
driver)
# else the device numbers are dynamically
allocated.
# ATA_ENABLE_ATAPI_DMA: enable DMA on ATAPI device, since many ATAPI
devices
# claim to support DMA but doesn't actually work,
this
# is not enabled as default.
# ATA_16BIT_ONLY: for older HW that doesn't support 32bit
transfers on
# the ATA channels (mostly old ISA boards).
#options ATA_STATIC_ID
options ATA_ENABLE_ATAPI_DMA
#options ATA_16BIT_ONLY
#
# For older non-PCI systems, this is the lines to use:
controller ata0 at isa? port IO_WD1 irq 14
controller ata1 at isa? port IO_WD2 irq 15
# SCSI Controllers
# A single entry for any of these controllers (ncr, ahb, ahc) is
# sufficient for any number of installed devices.
#controller ncr0 # NCR/Symbios Logic
#controller ahb0 # EISA AHA1742 family
controller ahc0 # AHA2940 and onboard AIC7xxx devices
#options AHC_ALLOC_MEMIO
#controller amd0 # AMD 53C974 (Teckram DC-390(T))
#controller isp0 # Qlogic family
#controller dpt0 # DPT Smartcache - See LINT for options!
#controller adv0 at isa? port ? irq ?
#controller adw0
#controller bt0 at isa? port ? irq ?
#controller aha0 at isa? port ? irq ?
# SCSI peripherals
# Only one of each of these is needed, they are dynamically allocated.
controller scbus0 # SCSI bus (required)
#device da0 # Direct Access (disks)
device sa0 # Sequential Access (tape etc)
device cd0 # CD
device pass0 # Passthrough device (direct SCSI
access)
# Proprietary or custom CD-ROM Interfaces
#device wt0 at isa? port 0x300 irq 5 drq 1
#device mcd0 at isa? port 0x300 irq 10
#device matcd0 at isa? port 0x230
#device scd0 at isa? port 0x230
# atkbdc0 controls both the keyboard and the PS/2 mouse
controller atkbdc0 at isa? port IO_KBD
device atkbd0 at atkbdc? irq 1
device psm0 at atkbdc? irq 12
device vga0 at isa? port ? conflicts
# splash screen/screen saver
pseudo-device splash
# syscons is the default console driver, resembling an SCO console
device sc0 at isa?
# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
#device vt0 at isa?
#options XSERVER # support for X server
#options FAT_CURSOR # start with block cursor
# If you have a ThinkPAD, uncomment this along with the rest of the PCVT
lines
#options PCVT_SCANSET=2 # IBM keyboards are non-std
# Floating point support - do not disable.
device npx0 at nexus? port IO_NPX irq 13
# Power management support (see LINT for more options)
#device apm0 at nexus? disable flags 0x31 # Advanced Power
Management
# PCCARD (PCMCIA) support
#controller card0
#device pcic0 at isa?
#device pcic1 at isa?
# Serial (COM) ports
device sio0 at isa? port IO_COM1 flags 0x10 irq 4
device sio1 at isa? port IO_COM2 irq 3
device sio2 at isa? disable port IO_COM3 irq 5
device sio3 at isa? disable port IO_COM4 irq 9
# Parallel port
device ppc0 at isa? port? flags 0x40 irq 7
controller ppbus0 # Parallel port bus (required)
device lpt0 # Printer
#device plip0 # TCP/IP over parallel
device ppi0 # Parallel port interface device
#controller vpo0 # Requires scbus and da0
# PCI Ethernet NICs.
#device ax0 # ASIX AX88140A
#device de0 # DEC/Intel DC21x4x (``Tulip'')
#device fxp0 # Intel EtherExpress PRO/100B (82557,
82558)
#device pn0 # Lite-On 82c168/82c169 (``PNIC'')
#device tx0 # SMC 9432TX (83c170 ``EPIC'')
#device vx0 # 3Com 3c590, 3c595 (``Vortex'')
# PCI Ethernet NICs that use the common MII bus controller code.
#controller miibus0 # MII bus support
#device al0 # ADMtek AL981/AN985
(``Comet''/``Centaur'')
#device dm0 # Davicom DM9100/DM9102
#device mx0 # Macronix 98713/98715/98725 (``PMAC'')
#device rl0 # RealTek 8129/8139
#device sf0 # Adaptec AIC-6915 (``Starfire'')
#device sis0 # Silicon Integrated Systems SiS 900/SiS
7016
#device ste0 # Sundance ST201 (D-Link DFE-550TX)
#device tl0 # Texas Instruments ThunderLAN
#device vr0 # VIA Rhine, Rhine II
#device wb0 # Winbond W89C840F
#device xl0 # 3Com 3c90x (``Boomerang'',
``Cyclone'')
# ISA Ethernet NICs.
device ed0 at isa? port 0x280 irq 5 iomem 0xd8000
#device ex0 at isa? port? irq?
#device ep0
# The probe order of these is presently determined by
i386/isa/isa_compat.c.
#device ie0 at isa? port 0x300 irq 10 iomem 0xd0000
#device fe0 at isa? port 0x300 irq ?
#device le0 at isa? port 0x300 irq 5 iomem 0xd0000
#device lnc0 at isa? port 0x280 irq 10 drq 0
#device cs0 at isa? port 0x300 irq ?
# requires PCCARD (PCMCIA) support to be activated
#device xe0 at isa? port? irq ?
# PCCARD NIC drivers.
# ze and zp take over the pcic and cannot coexist with generic pccard
# support, nor the ed and ep drivers they replace.
#device ze0 at isa? port 0x300 irq 10 iomem 0xd8000
#device zp0 at isa? port 0x300 irq 10 iomem 0xd8000
# Pseudo devices - the number indicates how many units to allocated.
pseudo-device loop # Network loopback
pseudo-device ether # Ethernet support
pseudo-device sl 1 # Kernel SLIP
pseudo-device ppp 1 # Kernel PPP
pseudo-device tun # Packet tunnel.
pseudo-device pty # Pseudo-ttys (telnet etc)
pseudo-device gzip # Exec gzipped a.out's
# The `bpf' pseudo-device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
pseudo-device bpf #Berkeley packet filter
# USB support
#controller uhci0 # UHCI PCI->USB interface
#controller ohci0 # OHCI PCI->USB interface
#controller usb0 # USB Bus (required)
#device ugen0 # Generic
#device uhid0 # "Human Interface Devices"
#device ukbd0 # Keyboard
#device ulpt0 # Printer
#controller umass0 # Disks/Mass storage - Requires scbus
and da0
#device ums0 # Mouse
# ISDN stuff
options "AVM_A1_PCI"
device isic0
pseudo-device "i4bq921" # i4b layer 2
pseudo-device "i4bq931" # i4b layer 3
pseudo-device "i4b" # i4b layer 4
pseudo-device "i4btrc" 4 # Passive card ISDN tracing
pseudo-device "i4bctl" # Main userland i4b controller
pseudo-device "i4brbch" 4 # Userland raw B channel access
pseudo-device "i4btel" 2 # userland telephony driver
pseudo-device "i4bipr" 4 # IP over raw HDLC ISDN
options IPR_VJ # VJ for ipr
pseudo-device "i4bisppp" 4 # sync PPP over ISDN
pseudo-device sppp # Generic Synchronous PPP
options NMBCLUSTERS=2048
Best regards,
--
Mark Knight
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