Date: Wed, 20 Mar 2002 13:13:51 -0800 (PST) From: Kirill <kirill@tavrida.net> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/36149: kernel panic with option PPP_DEFLATE for 4.5-STABLE Message-ID: <200203202113.g2KLDpN90691@freefall.freebsd.org>
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>Number: 36149
>Category: kern
>Synopsis: kernel panic with option PPP_DEFLATE for 4.5-STABLE
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Mar 20 13:20:01 PST 2002
>Closed-Date:
>Last-Modified:
>Originator: Kirill
>Release: 4.5
>Organization:
Alpha Telecom
>Environment:
FreeBSD tsokol.cruiser.dod.ua 4.5-STABLE FreeBSD 4.5-STABLE #2: Sat Mar 16 17:41:33 EET 2002 root@tsokol.cruiser.dod.ua:/usr/src/sys/compile/tsokol i386
>Description:
1) system message with fatal error
z_decompress0: inflate returned -2 ()
<118>Mar 16 17:32:06 tsokol pppd[168]: Lost compression sync: disabling compression
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x4
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc0134bdb
stack pointer = 0x10:0xcccddef4
frame pointer = 0x10:0xcccddf18
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 184 (mail.local)
interrupt mask = none
trap number = 12
panic: page fault
syncing disks... 45
done
Uptime: 56s
2)message after reboot
Mar 16 21:23:14 tsokol /kernel: FreeBSD 4.5-STABLE #2: Sat Mar 16 17:41:33 EET 2002
Mar 16 21:23:14 tsokol /kernel: root@tsokol.cruiser.dod.ua:/usr/src/sys/compile/tsokol
Mar 16 21:23:14 tsokol /kernel: Timecounter "i8254" frequency 1193182 Hz
Mar 16 21:23:14 tsokol /kernel: Timecounter "TSC" frequency 801813023 Hz
Mar 16 21:23:14 tsokol /kernel: CPU: Pentium III/Pentium III Xeon/Celeron (801.81-MHz 686-class CPU)
Mar 16 21:23:14 tsokol /kernel: Origin = "GenuineIntel" Id = 0x68a Stepping = 10
Mar 16 21:23:14 tsokol /kernel: Features=0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
Mar 16 21:23:14 tsokol /kernel: real memory = 268435456 (262144K bytes)
3) kernel configuration
machine i386
ident tsokol
maxusers 64
cpu I686_CPU # aka Pentium Pro(tm)
options COMPAT_43
options SYSVSHM # include support for shared memory
options SYSVSEM # include support for semaphores
options SYSVMSG # include support for message queues
makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
options DDB
options DDB_UNATTENDED
options FFS
options MFS
options NFS_NOSERVER
options FDESC
options PROCFS
options CD9660 #ISO 9660 filesystem
options CD9660_ROOT #CD-ROM usable as root device
options SOFTUPDATES
options UFS_DIRHASH
options FFS_ROOT
options KTRACE #kernel tracing
options USERCONFIG #boot -c editor
options VISUAL_USERCONFIG #visual boot -c editor
options INET #Internet communications protocols
device miibus # MII bus support
pseudo-device ether #Generic Ethernet
pseudo-device loop #Network loopback device
pseudo-device bpf 4 #Berkeley packet filter
pseudo-device ppp 8
options PPP_BSDCOMP
options PPP_DEFLATE
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
options PPP_FILTER
options IPFIREWALL
options IPFIREWALL_VERBOSE
pseudo-device pty #Pseudo ttys
pseudo-device snp 3 #Snoop device - to look at pty/vty/etc..
device isa
options AUTO_EOI_1
device atkbdc0 at isa? port IO_KBD
device atkbd0 at atkbdc? irq 1 flags 0x1
device vga0 at isa?
pseudo-device splash
device sc0 at isa? flags 0x100
device npx0 at nexus? port IO_NPX irq 13
device ata0 at isa? port IO_WD1 irq 14
device ata1 at isa? port IO_WD2 irq 15
device ata
device atadisk # ATA disk drives
device atapicd # ATAPI CDROM drives
options ATA_STATIC_ID #Static device numbering
device fdc0 at isa? port IO_FD1 irq 6 drq 2
device fd0 at fdc0 drive 0
device rl # RealTek 8129/8139
device pci
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
device puc
options CLK_CALIBRATION_LOOP
options CLK_USE_TSC_CALIBRATION
4) nm -n /var/crash/kernel.0 | grep c0134
c01341f4 T exec_map_first_page
c01343cc T exec_unmap_first_page
c0134400 T exec_new_vmspace
c01344c8 T exec_extract_strings
c01345bc t exec_copyout_strings
c0134724 T exec_check_permissions
c013481c T exec_register
c01348c4 T exec_unregister
c0134998 T sys_exit
c01349ac T exit1
c0134ec4 T owait
c0134ef8 T wait4
c0134f0c t wait1
>How-To-Repeat:
Please, repeat on
kirill@tavrida.net
>Fix:
I don't no, may be look at PPP_DEFLATE and /usr/src/sys/net/ppp_deflate.c (string
with line number near 556) ?
>Release-Note:
>Audit-Trail:
>Unformatted:
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