Re: [Xen-users] System freezes (hangs) and unexpected reboots with Xen 3.3.1 and W2k8 domU

[Alberto Asuero Arroyo <albertoasuero@xxxxxxxxx>]

I've the same problem., but I've never had messages like "rejecting I/O to offline device"...my server runs stable and the logs doesn't show errors...I revise it every day

Software details:

- Xen 3.3.1 (Debian etch 40r6) 64 bit
- dom0: Linux kernel 2.6.18
- domU:

• Windows 2008, 64 bit installation ,4 cores, + 20GB memory
• Windows XP, 32 bit, 2 cores, 2GB memory.
• Debian lenny: 64 bit, 3 cores, 8GB
• Debian lenny: 64 bit, 3 cores, 12GB

Hardware details:
    Dell PowerEdge 2900 III
    2 x Quad Core Xeon X5470 (3.33GHz, 2x6MB, 1333MHz FSB, 120W TDP)
    48GB 667MHz FBD (12x4GB dual rank DIMMs)

   PERC 5/i integrated RAID Controller using megasas driver


Has you solved the problem?

Any ideas??

2009/5/19 Stephan Austermühle <au@xxxxxxx>

Hi,

my Xen server basically runs stable with lots of Linux domU's. This changes as soon as I start a domU running Windows 2008 Server: Sometimes it takes only minutes, sometimes it takes days until the whole server either freezes or reboots — usually without any message on console or logs. Sometimes I've got messages like "rejecting I/O to offline device" on console that lead me to a reported bug in the megasas driver. So I updated it to 4.01.

Since then I have never seen the "rejecting I/O..." messages again but the system still freezes or reboots shortly after creating the W2k8 HVM domU. I have already setup syslog forwarding to a another server but there are no helpful messages either.

Software details:

- Xen 3.3.1 (Debian 5.0/Lenny), 64 bit
- dom0: Linux kernel 2.6.26-2-xen-amd64
- domU: Windows 2008, 64 bit installation + James Harper's GPL PV drivers, 4 cores, 4096 megabytes memory

Hardware configuration:
- 2x Intel Xeon 5140 (dual core)
- Intel SRCSAS18E RAID controller using the megasas driver

Any ideas?

Kind regards,

Stephan


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