Date: Fri, 17 Dec 2004 08:46:29 -0800 (PST) From: Mark Atkinson <atkin901@yahoo.com> To: freebsd-current@freebsd.org Subject: LOR in fxp driver when configuring device vlan... Message-ID: <20041217164630.80955.qmail@web52810.mail.yahoo.com>
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not seen in the common LOR list: http://sources.zabbadoz.net/freebsd/lor.html might be related to ipv6, but easily reproducable: [root@starbuck root]$ ifconfig vlan0 vlan 999 vlandev fxp1 [root@starbuck root]$ ifconfig vlan0 inet 172.16.64.3 netmask 255.255.240.0 lock order reversal 1st 0xc1b07268 fxp1 (network driver) @ /usr/src/sys/dev/fxp/if_fxp.c:2389 2nd 0xc19aae54 user map (user map) @ /usr/src/sys/vm/vm_map.c:2994 KDB: stack backtrace: witness_checkorder(c19aae54,9,c08f78a5,bb2,3f5b8d74) at witness_checkorder+0x5c6 _sx_xlock(c19aae54,c08f78a5,bb2,26602a4,0) at _sx_xlock+0x5d vm_map_lookup(da8766f4,0,2,da8766f8,da8766e8) at vm_map_lookup+0x3a vm_fault(c19aae10,0,2,8,c1dde000) at vm_fault+0x7a trap_pfault(0,c08bcc89,c1b07268,da8767bc,0) at trap_pfault+0x166 trap(c09a0018,c1dd0010,10,c1b07000,c1b076b4) at trap+0x363 calltrap() at calltrap+0x5 --- trap 0xc, eip = 0xc05460fe, esp = 0xda87681c, ebp = 0xda876834 --- fxp_mc_setup(c1b07268,8,c08bcc89,955,c1b07268) at fxp_mc_setup+0x6e fxp_ioctl(c1b07000,80206931,0,1,0) at fxp_ioctl+0x23c if_addmulti(c1b07000,da8768a4,da8768a0,c1b07000,c2551a00) at if_addmulti+0x184 vlan_setmulti(c0947004,0,c08dcc22,cb,c0947004) at vlan_setmulti+0x194 vlan_ioctl(c1b69c00,80206931,0,c4,c2729340) at vlan_ioctl+0x44 if_addmulti(c1b69c00,da87697c,da876978,c2bb3c20,1c1c) at if_addmulti+0x184 in6_addmulti(da8769e0,c1b69c00,da8769d8,0,9a6) at in6_addmulti+0x5e in6_update_ifa(c1b69c00,da876b88,0,187,0) at in6_update_ifa+0x2ec in6_ifattach(c1b69c00,0,8040691a,8040691a,c1b85780) at in6_ifattach+0x2e9 in6_if_up(c1b69c00,8040691a,c1b85780,c1b69c00,c1dde000) at in6_if_up+0x19 ifioctl(c1e04144,8040691a,c1b85780,c1dde000,2) at ifioctl+0x1ae soo_ioctl(c1cc51dc,8040691a,c1b85780,c25e5d80,c1dde000) at soo_ioctl+0x2ef ioctl(c1dde000,da876d14,c,3ff,3) at ioctl+0x11e syscall(2f,2f,2f,80563c0,0) at syscall+0x137 Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (54, FreeBSD ELF32, ioctl), eip = 0x280d8caf, esp = 0xbfbfe82c, ebp= 0xbfbfe858 --- Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x0 fault code = supervisor write, page not present instruction pointer = 0x8:0xc05460fe stack pointer = 0x10:0xda87681c frame pointer = 0x10:0xda876834 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 = 18852 (ifconfig) [thread pid 18852 tid 100090 ] Stopped at fxp_mc_setup+0x6e: movw $0,0(%eax) db> __________________________________ Do you Yahoo!? Send a seasonal email greeting and help others. Do good. http://celebrity.mail.yahoo.com
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