[Xen-bugs] [Bug 233] system hangs/freezes under moderate I/O load

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=233





------- Additional Comments From r.post@xxxxxxx  2005-09-15 22:34 -------
I don't see anything exciting (2.0.7 run):

xend.log shows:

[2005-09-06 16:44:55 xend] INFO (SrvDaemon:610) Xend Daemon started
[2005-09-06 16:44:55 xend] INFO (XendRoot:113) EVENT> xend.domain.create 
['Domain-0', '0']
[2005-09-06 16:44:55 xend] INFO (XendRoot:113) EVENT> xend.start 0
[2005-09-06 18:43:50 xend] INFO (SrvDaemon:610) Xend Daemon started
[2005-09-06 18:43:50 xend] INFO (XendRoot:113) EVENT> xend.start 0

nothing more.

the message log shows:

Sep  6 16:44:49 localhost syslogd 1.4.1#17: restart.
Sep  6 16:44:49 localhost kernel: klogd 1.4.1#17, log source = /proc/kmsg 
started.
Sep  6 16:44:49 localhost kernel: Inspecting /boot/System.map-2.6.11.12-xen0
Sep  6 16:44:49 localhost kernel: Loaded 24091 symbols from 
/boot/System.map-2.6.11.12-xen0.
Sep  6 16:44:49 localhost kernel: Symbols match kernel version 2.6.11.
Sep  6 16:44:49 localhost kernel: No module symbols loaded - kernel modules not 
enabled. 
Sep  6 16:44:49 localhost kernel: Linux version 2.6.11.12-xen0 (remco@argos) 
(gcc version 3.3.5 
(Debian 1:3.3.5-13)) #5 Tue Aug 30 12:55:22 CE
ST 2005
Sep  6 16:44:49 localhost kernel: BIOS-provided physical RAM map:
Sep  6 16:44:49 localhost kernel:  Xen: 0000000000000000 - 0000000040000000 
(usable)
Sep  6 16:44:49 localhost kernel: Warning only 832MB will be used.
Sep  6 16:44:49 localhost kernel: Use a HIGHMEM enabled kernel.
Sep  6 16:44:49 localhost kernel: 832MB LOWMEM available.
Sep  6 16:44:50 localhost kernel: DMI 2.3 present.
Sep  6 16:44:50 localhost kernel: IRQ lockup detection disabled
Sep  6 16:44:50 localhost kernel: Allocating PCI resources starting at 40000000 
(gap: 
40000000:c0000000)
Sep  6 16:44:50 localhost kernel: Built 1 zonelists
Sep  6 16:44:50 localhost kernel: Kernel command line: root=/dev/sda1
Sep  6 16:44:50 localhost kernel: Initializing CPU#0
Sep  6 16:44:50 localhost kernel: PID hash table entries: 4096 (order: 12, 
65536 bytes)
Sep  6 16:44:50 localhost kernel: Xen reported: 3192.311 MHz processor.
...
Sep  6 16:44:50 localhost kernel: Xen virtual console successfully installed as 
ttyS
Sep  6 16:44:50 localhost kernel: Event-channel device installed.
Sep  6 16:44:50 localhost kernel: Initialising Xen netif backend
...
Sep  6 16:44:55 localhost kernel: device eth0 entered promiscuous mode
Sep  6 16:44:55 localhost kernel: xen-br0: port 1(eth0) entering learning state
Sep  6 16:44:55 localhost kernel: xen-br0: topology change detected, propagating
Sep  6 16:44:55 localhost kernel: xen-br0: port 1(eth0) entering forwarding 
state

and then only application messages until:

Sep  6 18:43:42 localhost syslogd 1.4.1#17: restart.

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