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Date: Mon, 29 Nov 2010 16:19:06 -0800 From: Ben Greear <greearb@...delatech.com> To: Michael Leun <lkml20101129@...ton.leun.net> CC: linux-kernel@...r.kernel.org, netdev@...r.kernel.org Subject: Re: 2.6.35 -> 2.6.36 panic when vlan and promisc with tg3 On 11/29/2010 11:17 AM, Michael Leun wrote: > Hi, > > only kernel message I was able to capture on serial were: > > UG: unable to handle kernel paging request at 01cc921c > IP: [<c034bfce>] vlan_hwaccel_do_receive+0x59/0xd0 > *pdpt = 0000000036a2a001 *pde = 0000000000000000 > Oops: 0002 [#1] SMP > last sysfs > > Then machine dead. > > In 2.6.35.x this did not happen (but vlans broken - cannot see vlan > tags with tcpdump), Try this patch: http://permalink.gmane.org/gmane.linux.network/176566 It looks like this hasn't made it into stable yet? Thanks, Ben > > To reproduce: > > ip link set eth0 up > vconfig add eth0 2 > ip link set eth0 promisc on > > Machines with these ethernet cards I've seen to be affected: > > Ethernet controller: Broadcom Corporation NetXtreme BCM5714 Gigabit > Ethernet (rev a3) > > Ethernet controller: Broadcom Corporation NetXtreme BCM5752M Gigabit > Ethernet PCI Express (rev 02) > > Machine with this card is NOT affected (no vlan hw accel?): > > Ethernet controller: Broadcom Corporation NetLink BCM5906M Fast > Ethernet PCI Express (rev 02) > > -- Ben Greear <greearb@...delatech.com> Candela Technologies Inc http://www.candelatech.com -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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