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[Xen-devel] Network / e100 problems w/ 2.6.11-1.1284_FC4 dom0

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: Klaus Wuerflinger <kwuerfl@xxxxxxxxx>
  • Date: Mon, 9 May 2005 15:02:17 +0000 (UTC)
  • Delivery-date: Mon, 09 May 2005 18:44:28 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>


has anyone lately experienced problems with the network stack of the dom0 kernel
2.6.11-1.1284_FC4 (also 1.1267, 1.1276)? I'm using synergy user space app. in
dom0, using e100.ko NIC driver. synergy sends very small packets on a TCP
connection for every mousemove or keyboard press. After a couple of minutes or
sometimes hours, the connection suddenly "dies", ie send-Q of dom0 for this
connection increases (netstat output), client does not receive any data. tcpdump
shows that broken packets are sent to the link (funny things like "TCP checksum
mismatch" and "invalid packet length"). This behaviour does not appear if I boot
default FC4t2 kernel! Any hints?


PCI devices:

00:00.0 Host bridge: Intel Corporation 82865G/PE/P DRAM Controller/Host-Hub
Interface (rev 02)
00:01.0 PCI bridge: Intel Corporation 82865G/PE/P PCI to AGP Controller (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) 
USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) 
USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R)
USB UHCI #3 (rev 02)
00:1d.3 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) 
USB UHCI Controller #4 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) 
USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev c2)
00:1f.0 ISA bridge: Intel Corporation 82801EB/ER (ICH5/ICH5R) 
LPC Interface Bridge (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801EB/ER (ICH5/ICH5R) 
IDE Controller (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801EB (ICH5) 
SATA Controller (rev 02) 
00:1f.3 SMBus: Intel Corporation 82801EB/ER (ICH5/ICH5R) 
SMBus Controller (rev 02)
00:1f.5 Multimedia audio controller: Intel Corporation 
82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller (rev 02)01:00.0 
VGA compatible controller: Matrox
Graphics, Inc. MGA G550 AGP (rev 01)
02:08.0 Ethernet controller: Intel Corporation 82562EZ 10/100 
Ethernet Controller (rev 01)


processor       : 0
vendor_id       : GenuineIntel
cpu family      : 15
model           : 3
model name      : Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping        : 4
cpu MHz         : 2992.607
cache size      : 1024 KB
fdiv_bug        : no
hlt_bug         : yes
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 5
wp              : yes
flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36 
clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe pni monitor ds_cpl 
cid xtpr
bogomips        : 5976.88

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