Ted Kaczmarek wrote:
I opened a bug up with redhat for net-snmp on this, was not sure where
it should go. Ifconfig also hangs after this happens. Saw this with
kernel-2.6.5-1.358/8139too and kernel-2.6.8-1.521/e100. Appears to have
something to do with 802.1q, never occurs on machine without 802.1q.
Well, this isn't a net-snmp issue. snmpd just happens to trigger a
kernel bug when querying vlan interfaces.
Call Trace:
[<1a923773>] e1000_mii_ioctl+0x76/0x18f [e1000]
[<1a9236e3>] e1000_ioctl+0x0/0x1a [e1000]
[<1a8681f8>] vlan_dev_ioctl+0x85/0xbe [8021q]
[<0229f92f>] dev_ifsioc+0x304/0x310
[<1a868173>] vlan_dev_ioctl+0x0/0xbe [8021q]
[<0229faa7>] dev_ioctl+0x16c/0x28a
[<022d377b>] udp_ioctl+0x0/0x190
[<022d967b>] inet_ioctl+0x6e/0x73
[<02296a84>] sock_ioctl+0x2f4/0x3aa
[<021752d2>] sys_ioctl+0x29a/0x33c
[<02160c5e>] sys_read+0x3c/0x62
Code: 89 58 20 31 db b8 de 46 03 00 e8 6e 3d 8b e7 8b 06 8b 50 20
You need this patch for the kernel.
--- a/net/8021q/vlan_dev.c 2004-09-10 06:12:16 -07:00
+++ b/net/8021q/vlan_dev.c 2004-09-10 06:12:16 -07:00
@@ -772,7 +772,7 @@
case SIOCGMIIREG:
case SIOCSMIIREG:
if (real_dev->do_ioctl && netif_device_present(real_dev))
- err = real_dev->do_ioctl(dev, &ifrr, cmd);
+ err = real_dev->do_ioctl(real_dev, &ifrr, cmd);
break;
case SIOCETHTOOL:
-Tommy
P.S. There is no need to recompile everything, just the 8021q module.
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