Date: Wed, 23 Aug 2000 13:46:17 -0700 (PDT) From: John Polstra <jdp@polstra.com> To: current@freebsd.org Subject: panic: reducing sbsize: lost count, uid = 1001 Message-ID: <XFMail.000823134617.jdp@polstra.com>
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I got the above panic in a -current kernel from August 19 with
INVARIANTS and INVARIANT_SUPPORT compiled in. I also saw it once
before on a kernel from a few weeks ago. In both cases the panic
occurred when receiving a 25 MB file with FTP over a gigabit Ethernet
link (wx driver). Here is the relevant portion of the stack trace:
#16 0xc016689d in panic (
fmt=0xc027fc80 "reducing sbsize: lost count, uid = %d")
at /local0/src/sys/kern/kern_shutdown.c:553
#17 0xc0163b67 in chgsbsize (uid=1001, diff=-17520, max=9223372036854775807)
at /local0/src/sys/kern/kern_proc.c:202
#18 0xc0186fe2 in sbrelease (sb=0xc7c22674, so=0xc7c22600)
at /local0/src/sys/kern/uipc_socket2.c:453
#19 0xc0184333 in sofree (so=0xc7c22600)
at /local0/src/sys/kern/uipc_socket.c:261
#20 0xc01b898e in in_pcbdetach (inp=0xc7c86880)
at /local0/src/sys/netinet/in_pcb.c:542
#21 0xc01c2125 in tcp_close (tp=0xc7c86940)
at /local0/src/sys/netinet/tcp_subr.c:711
#22 0xc01c00ea in tcp_input (m=0xc075ca00, off0=20, proto=6)
at /local0/src/sys/netinet/tcp_input.c:2012
#23 0xc01bb09a in ip_input (m=0xc075ca00)
at /local0/src/sys/netinet/ip_input.c:756
#24 0xc01bb0f7 in ipintr () at /local0/src/sys/netinet/ip_input.c:784
Unfortunately, I don't have time to dig into it further any time soon.
I'll append my kernel config file to this mail. The system is a
uniprocessor PII/400.
John
--
John Polstra jdp@polstra.com
John D. Polstra & Co., Inc. Seattle, Washington USA
"Disappointment is a good sign of basic intelligence." -- Chögyam Trungpa
#
# BLAKE
#
machine "i386"
cpu "I686_CPU"
ident BLAKE
maxusers 32
options SOFTUPDATES
options DDB
options INVARIANTS
options INVARIANT_SUPPORT
options "CLK_USE_I8254_CALIBRATION"
options CLK_USE_TSC_CALIBRATION
options INET #InterNETworking
options IPSEC #IP security
options IPSEC_ESP #IP security (crypto; define w/ IPSEC)
options KTRACE #kernel tracing
options FFS #Berkeley Fast Filesystem
options NFS #Network Filesystem
options MSDOSFS #MSDOS Filesystem
options "CD9660" #ISO 9660 Filesystem
options "EXT2FS" #Linux ext2 filesystem
options "CD9660_ROOT" #CD-ROM usable as root device
options FFS_ROOT #FFS usable as root device [keep this!]
options NFS_ROOT #NFS usable as root device
options PROCFS #Process filesystem
options "COMPAT_43" #Compatible with BSD 4.3 [KEEP THIS!]
options RANDOMDEV
options SYSVSHM
options UCONSOLE #Allow users to grab the console
options USERCONFIG #boot -c editor
options VISUAL_USERCONFIG #visual boot -c editor
options P1003_1B #Posix P1003_1B real-time extentions
options _KPOSIX_PRIORITY_SCHEDULING
# options _KPOSIX_VERSION=199309L
device isa
device pci
device fdc
# A single entry for any of these controllers (ncr, ahb, ahc, amd) is
# sufficient for any number of installed devices.
device ahc
options AHC_ALLOW_MEMIO
device scbus
device da
device sa
device cd
device pass
# Keyboard, mouse, display.
device atkbdc 1
device atkbd
device psm
device sc 1
device vga
device splash
device npx
device sio
device de
device fxp
device wx
device bpf
device ether
device gzip
device loop
device pty
device vn
# On-board power management controller.
device smbus
device intpm
device smb
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