Date: Mon, 27 Aug 2001 17:16:08 -0700 (PDT) From: Mike Tancsa <mike@sentex.net> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/30149: VLAN and all netgraph modules dont seem to mix Message-ID: <200108280016.f7S0G8N93713@freefall.freebsd.org>
next in thread | raw e-mail | index | archive | help
>Number: 30149
>Category: kern
>Synopsis: VLAN and all netgraph modules dont seem to mix
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Aug 27 17:20:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator: Mike Tancsa
>Release: 4.4-RC FreeBSD 4.4-RC #0: Mon Aug 27 19:59:23 EDT 2001
>Organization:
Sentex
>Environment:
4.4-RC FreeBSD 4.4-RC #0: Mon Aug 27 19:59:23 EDT 2001
>Description:
With all the netgraph modules _defined_ in LINT, I get a repeatable kernel panic when trying to bring up an 802.1q interface
GNU gdb 4.18
Copyright 1998 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-unknown-freebsd"...
IdlePTD 3153920
initial pcb at 277da0
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x1c
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc0188c68
stack pointer = 0x10:0xd38a7cf8
frame pointer = 0x10:0xd38a7cfc
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 = 290 (ifconfig)
interrupt mask = net tty
trap number = 12
panic: page fault
syncing disks... 11
done
Uptime: 1m7s
dumping to dev #ad/0x20001, offset 1575040
dump ata0: resetting devices .. done
254 253 252 251 250 249 248 247 246 245 244 243 242 241 240 239 238 237 236 235 234 233 232 231 230 229 228 227 226 225 224 223 222 221 220 219 218 217 216 215 214 213 212 211 210 209 208 207 206 205 204 203 202 201 200 199 198 197 196 195 194 193 192 191 190 189 188 187 186 185 184 183 182 181 180 179 178 177 176 175 174 173 172 171 170 169 168 167 166 165 164 163 162 161 160 159 158 157 156 155 154 153 152 151 150 149 148 147 146 145 144 143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
---
#0 dumpsys () at ../../kern/kern_shutdown.c:473
473 if (dumping++) {
(kgdb) where
#0 dumpsys () at ../../kern/kern_shutdown.c:473
#1 0xc013c3fc in boot (howto=256) at ../../kern/kern_shutdown.c:313
#2 0xc013c7dc in poweroff_wait (junk=0xc025182c, howto=-1071312049) at ../../kern/kern_shutdown.c:581
#3 0xc021ba6f in trap_fatal (frame=0xd38a7cb8, eva=28) at ../../i386/i386/trap.c:956
#4 0xc021b729 in trap_pfault (frame=0xd38a7cb8, usermode=0, eva=28) at ../../i386/i386/trap.c:849
#5 0xc021b2ff in trap (frame={tf_fs = -745930736, tf_es = -745930736, tf_ds = -745930736, tf_edi = 1544, tf_esi = -745898688,
tf_ebp = -745898756, tf_isp = -745898780, tf_ebx = -745898688, tf_edx = -1062609194, tf_ecx = -1071150528, tf_eax = 0,
tf_trapno = 12, tf_err = 0, tf_eip = -1072133016, tf_cs = 8, tf_eflags = 66178, tf_esp = 14, tf_ss = -745898700})
at ../../i386/i386/trap.c:448
#6 0xc0188c68 in ng_ether_output (ifp=0xc0278a40, mp=0xd38a7d40) at ../../netgraph/ng_ether.c:274
#7 0xc0178d24 in ether_output (ifp=0xc0278a40, m=0xc0a9de00, dst=0xd38a7d58, rt0=0x0) at ../../net/if_ethersubr.c:343
#8 0xc0195603 in arprequest (ac=0xc0278a40, sip=0xc6be319c, tip=0xc6be319c, enaddr=0xc0278b18 "") at ../../netinet/if_ether.c:348
#9 0xc0195faf in arp_ifinit (ac=0xc0278a40, ifa=0xc6be3100) at ../../netinet/if_ether.c:814
#10 0xc017e56b in vlan_ioctl (ifp=0xc0278a40, cmd=2149607692, data=0xc6be3100 "\2301¾Æ¨1¾Æ¸1¾Æ") at ../../net/if_vlan.c:515
#11 0xc0197959 in in_ifinit (ifp=0xc0278a40, ia=0xc6be3100, sin=0xd38a7ed0, scrub=0) at ../../netinet/in.c:663
#12 0xc019741e in in_control (so=0xd27ed600, cmd=2151704858, data=0xd38a7ec0 "vlan0", ifp=0xc0278a40, p=0xd1b7e700)
at ../../netinet/in.c:396
#13 0xc0177fff in ifioctl (so=0xd27ed600, cmd=2151704858, data=0xd38a7ec0 "vlan0", p=0xd1b7e700) at ../../net/if.c:1174
#14 0xc014e536 in soo_ioctl (fp=0xc6b8a300, cmd=2151704858, data=0xd38a7ec0 "vlan0", p=0xd1b7e700) at ../../kern/sys_socket.c:143
#15 0xc014b406 in ioctl (p=0xd1b7e700, uap=0xd38a7f80) at ../../sys/file.h:177
#16 0xc021bc6e in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 0, tf_esi = -1077937236, tf_ebp = -1077937496,
tf_isp = -745898028, tf_ebx = 134678516, tf_edx = 134680088, tf_ecx = 134762384, tf_eax = 54, tf_trapno = 12, tf_err = 2,
tf_eip = 134536008, tf_cs = 31, tf_eflags = 643, tf_esp = -1077937636, tf_ss = 47}) at ../../i386/i386/trap.c:1155
#17 0xc02102d5 in Xint0x80_syscall ()
#18 0x80487c5 in ?? ()
#19 0x8048135 in ?? ()
(kgdb) bt
#0 dumpsys () at ../../kern/kern_shutdown.c:473
#1 0xc013c3fc in boot (howto=256) at ../../kern/kern_shutdown.c:313
#2 0xc013c7dc in poweroff_wait (junk=0xc025182c, howto=-1071312049) at ../../kern/kern_shutdown.c:581
#3 0xc021ba6f in trap_fatal (frame=0xd38a7cb8, eva=28) at ../../i386/i386/trap.c:956
#4 0xc021b729 in trap_pfault (frame=0xd38a7cb8, usermode=0, eva=28) at ../../i386/i386/trap.c:849
#5 0xc021b2ff in trap (frame={tf_fs = -745930736, tf_es = -745930736, tf_ds = -745930736, tf_edi = 1544, tf_esi = -745898688,
tf_ebp = -745898756, tf_isp = -745898780, tf_ebx = -745898688, tf_edx = -1062609194, tf_ecx = -1071150528, tf_eax = 0,
tf_trapno = 12, tf_err = 0, tf_eip = -1072133016, tf_cs = 8, tf_eflags = 66178, tf_esp = 14, tf_ss = -745898700})
at ../../i386/i386/trap.c:448
#6 0xc0188c68 in ng_ether_output (ifp=0xc0278a40, mp=0xd38a7d40) at ../../netgraph/ng_ether.c:274
#7 0xc0178d24 in ether_output (ifp=0xc0278a40, m=0xc0a9de00, dst=0xd38a7d58, rt0=0x0) at ../../net/if_ethersubr.c:343
#8 0xc0195603 in arprequest (ac=0xc0278a40, sip=0xc6be319c, tip=0xc6be319c, enaddr=0xc0278b18 "") at ../../netinet/if_ether.c:348
#9 0xc0195faf in arp_ifinit (ac=0xc0278a40, ifa=0xc6be3100) at ../../netinet/if_ether.c:814
#10 0xc017e56b in vlan_ioctl (ifp=0xc0278a40, cmd=2149607692, data=0xc6be3100 "\2301¾Æ¨1¾Æ¸1¾Æ") at ../../net/if_vlan.c:515
#11 0xc0197959 in in_ifinit (ifp=0xc0278a40, ia=0xc6be3100, sin=0xd38a7ed0, scrub=0) at ../../netinet/in.c:663
#12 0xc019741e in in_control (so=0xd27ed600, cmd=2151704858, data=0xd38a7ec0 "vlan0", ifp=0xc0278a40, p=0xd1b7e700)
at ../../netinet/in.c:396
#13 0xc0177fff in ifioctl (so=0xd27ed600, cmd=2151704858, data=0xd38a7ec0 "vlan0", p=0xd1b7e700) at ../../net/if.c:1174
#14 0xc014e536 in soo_ioctl (fp=0xc6b8a300, cmd=2151704858, data=0xd38a7ec0 "vlan0", p=0xd1b7e700) at ../../kern/sys_socket.c:143
#15 0xc014b406 in ioctl (p=0xd1b7e700, uap=0xd38a7f80) at ../../sys/file.h:177
#16 0xc021bc6e in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 0, tf_esi = -1077937236, tf_ebp = -1077937496,
tf_isp = -745898028, tf_ebx = 134678516, tf_edx = 134680088, tf_ecx = 134762384, tf_eax = 54, tf_trapno = 12, tf_err = 2,
tf_eip = 134536008, tf_cs = 31, tf_eflags = 643, tf_esp = -1077937636, tf_ss = 47}) at ../../i386/i386/trap.c:1155
#17 0xc02102d5 in Xint0x80_syscall ()
#18 0x80487c5 in ?? ()
#19 0x8048135 in ?? ()
>How-To-Repeat:
Compile in all the netgraph modules, specifically
options NETGRAPH_CISCO
options NETGRAPH_FRAME_RELAY
e.g. (with fxp1 up)
/sbin/ifconfig vlan0 1.2.3.4 netmask 255.255.255.252 vlan 105 vlandev fxp1 mtu 1500 up
without those two, it does not panic. With them it does.
>Fix:
Dont know.
>Release-Note:
>Audit-Trail:
>Unformatted:
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-bugs" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200108280016.f7S0G8N93713>