Problems with Xen (kernel-xen0-2.6.11-1.1226_FC4) and Intel Corporation 82562ET/EZ/GT/GZ Ethernet

[Alasdair G Kergon]

On Wed, Apr 06, 2005 at 06:28:18PM +0100, Keith Sharp wrote:
> I am running FC4T1 with kernel and xen updated from Rawhide:
 
> Is anyone else seeing this?
 
Yes, with FC4t2:
  2.6.11-1.1226_FC4xen0 #1 SMP Mon Apr 4 21:35:09 EDT 2005 i686 i686 i386 GNU/Linux

With bridging, the machine was hardly usable; switching to NAT seemed to fix
things, but under heavy load I see similar tracebacks and slab corruption.

Alasdair
-- 
agk at redhat.com


e100: eth0: e100_watchdog: link up, 100Mbps, full-duplex
e100: eth1: e100_watchdog: link up, 100Mbps, full-duplex

ip_tables: (C) 2000-2002 Netfilter core team
ip_conntrack version 2.1 (3942 buckets, 31536 max) - 256 bytes per conntrack
vif5.1: no IPv6 routers present
vif5.0: no IPv6 routers present
NETDEV WATCHDOG: eth0: transmit timed out
Debug: sleeping function called from invalid context at mm/slab.c:2090
in_atomic():1, irqs_disabled():0
 [<c01534a4>] __kmalloc+0x174/0x190
 [<c01a8885>] proc_create+0xb5/0x130
 [<c0118688>] try_to_wake_up+0x98/0x330
 [<c01a89ef>] proc_mkdir_mode+0x2f/0x70
 [<c01a8a50>] proc_mkdir+0x20/0x30
 [<c0147d85>] register_handler_proc+0xc5/0xf0
 [<c01473be>] setup_irq+0xae/0x110
 [<df864870>] e100_intr+0x0/0x1a0 [e100]
 [<c01476ba>] request_irq+0xaa/0xd0
 [<df865865>] e100_up+0x125/0x250 [e100]
 [<df864870>] e100_intr+0x0/0x1a0 [e100]
 [<c02e6880>] dev_watchdog+0x0/0xd0
 [<c02e6943>] dev_watchdog+0xc3/0xd0
 [<c0129f5e>] run_timer_softirq+0xee/0x1f0
 [<c0125204>] __do_softirq+0x84/0x110
 [<c0125309>] do_softirq+0x79/0x80
 [<c010e8c2>] do_IRQ+0x22/0x30
 [<c0106372>] evtchn_do_upcall+0x82/0xb0
 [<c010a441>] hypervisor_callback+0x31/0x3c
 [<c0107dce>] xen_idle+0x7e/0x160
 [<c0107ef1>] cpu_idle+0x41/0x60
 [<c03f4a2a>] start_kernel+0x1aa/0x210
 [<c03f4350>] unknown_bootoption+0x0/0x200
e100: eth0: e100_watchdog: link up, 100Mbps, full-duplex
Slab corruption: (Not tainted) start=dac14000, len=4096
010: 6b 6b 22 a0 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 3c c0

Module                  Size  Used by
ipt_state               5953  7 
iptable_filter          6976  1 
iptable_nat            27645  1 
ip_conntrack           49577  2 ipt_state,iptable_nat
ip_tables              26689  3 ipt_state,iptable_filter,iptable_nat
md5                     8257  1 
ipv6                  291585  14 
uhci_hcd               37977  0 
i2c_piix4              13521  0 
i2c_core               27329  1 i2c_piix4
e100                   41153  0 
mii                     9921  1 e100
dm_snapshot            23525  0 
dm_zero                 6209  0 
dm_mirror              28701  0 
ext3                  148937  2 
jbd                    66393  1 ext3
dm_mod                 67045  7 dm_snapshot,dm_zero,dm_mirror