Date: Mon, 13 Dec 2004 16:10:29 GMT From: Fireball <fireball@zerouptime.ch> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/74635: [panic] vlan over fxp driver IP assignment crash Message-ID: <200412131610.iBDGAT1W020615@freefall.freebsd.org>
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The following reply was made to PR kern/74635; it has been noted by GNATS. From: Fireball <fireball@zerouptime.ch> To: Gleb Smirnoff <glebius@cell.sick.ru>, FreeBSD-gnats-submit@FreeBSD.org Cc: freebsd-bugs@FreeBSD.org Subject: Re: kern/74635: [panic] vlan over fxp driver IP assignment crash Date: Mon, 13 Dec 2004 16:53:10 +0100 > this problem can be specific to hardware. I can't reproduce it > on Thinkpad T20 running CURRENT and this card: Well, I noticed that it requires having IPV6 support compiled in, to reproduce the bug. If I take a GENERIC kernel and comment 'options INET6', then the panic is no longer reproducable. > fxp0: <Intel 82559ER Pro/100 Ethernet> port 0x1800-0x183f mem 0xe8100000-0xe811f > fff,0xe8120000-0xe8120fff irq 11 at device 3.0 on pci0 > > How does you card look in dmesg? fxp0: <Intel 82801DB (ICH4) Pro/100 VE Ethernet> port 0x8000-0x803f mem 0xd0204000-0xd0204fff irq 11 at device 8.0 on pci2 miibus0: <MII bus> on fxp0 > Can you describe 'panic recipe' as much precisely as possible? And pls > show output of 'ifconfig fxp0' before starting the recipe. Lemme type down the panic message/stack trace (I can provide stack addresses etc. if needed): Stopped at 0xc0519017 = fxp_mc_setup+0x47: movw $0,0(%eax) db> trace fxp_mc_setup(c1ba4000) at 0xc0519017 = fxp_mc_setup+0x47 fxp_ioctl(c1ba4000,80206932,0) at 0xc0518de6 = fxp_ioctl+0x12e if_delmulti(...) at ... vlan_setmulti(...) at ... vlan_ioctl(...) at ... vlan_ifaddmulti(...) at ... if_addmulti(...) at ... in6_addmulti(...) at ... in6_update_ifa(...) at ... in6_ifattach_linklocal(...) at ... in6_ifattach(...) in6_if_up(...) if_route(...) if_up(...) ifhwioctl(...) ifioctl(...) soo_ioctl(...) iotctl(...) syscall(2f,2f,2f,3,1) at ... = ... Xint0x80_syscall() at 0xc07af1cf = ... --- syscall (54, FreeBSD ELF32, ioctl), eip = 0x280cc0b7, esp = 0xbfbfebac, ebp = 0xbfbfebf8 --- -- Jonas Nagel <fireball@zerouptime.ch>
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