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.
Redhat Bug# 134933
The interface was taken in and out of promiscuous about 20 times
preceding this as well.
device eth0.3 entered promiscuous mode
eth0.3: dev_set_promiscuity(master, -1)
device eth0 left promiscuous mode
device eth0.3 left promiscuous mode
Unable to handle kernel NULL pointer dereference at virtual address
00000144
printing eip:
1a925930
*pde = 00000000
Oops: 0002 [#1]
Modules linked in: snd_pcm_oss snd_pcm snd_page_alloc snd_timer
snd_mixer_oss snd soundcore md5 ipv6 parport_pc lp parport eeprom
w83781d i2c_sensor i2c_isa i2c_viapro i2c_core autofs4 sunrpc
iptable_filter ip_tables e1000 8021q microcode dm_mod uhci_hcd button
battery asus_acpi ac ext3 jbd
CPU: 0
EIP: 0060:[<1a925930>] Not tainted
EFLAGS: 00010206 (2.6.8-1.521)
EIP is at e1000_read_phy_reg_ex+0x24/0x92 [e1000]
eax: 00000124 ebx: 08200000 ecx: 05f21ef6 edx: 00000000
esi: 18062cfc edi: 05f21ef6 ebp: 05f21f30 esp: 05f21eb4
ds: 007b es: 007b ss: 0068
Process snmpd (pid: 1874, threadinfo=05f21000 task=09f02190)
Stack: 18062a80 05f21ee0 05f21ef0 1a923773 05f21ee0 1a9236e3 05f21ef0
1a8681f8
ffffffa1 00008948 18062800 30687465 00000000 00000000 00000000
000030f0
e7cd600c 00000000 00000000 18062800 00008948 ffffffed 05f21f30
0229f92f
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
Ted
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