[Xen-users] Re: kernel error when I setup the network

["Shu Hung (Koala)" <koalay.dg21@xxxxxxxxx>]

I tested again. Here is the details:

Occurance

• just after I started the Domain-1, I logined root and typed this command:
• ifconfig eth0 up
  
• two errors repeatly pop-up to the screen:
• printk: 4 messages suppressed.
  Memory squeeze in netback driver.
• (XEN) (file=page_alloc.c, line=558) Over-allocation for domain 0: 32769> 32768
  (XEN) (file=page_alloc.c, line=560) ...or the domain is dying (0)
  (XEN) (file=memory.c, line=57) Could not allocate order=0 extent: id=0 flags=0(0 of 64)
  
• I log in to the Domain-0 with SSH
• I shutdown Domain-1 with command: xm shutdown Domain-1
• I looked at the screen of Domain-1, the 2 messages didn't stop poping up
• in Domain-0, the /var/log/message repeating this message
• Nov  8 18:43:11 sandbox kernel: printk: 4 messages suppressed.
  Nov  8 18:43:11 sandbox kernel: xen_net: Memory squeeze in netback driver.
• I stopped the xend with command "service xend stop"
• the process of xend ( xenblkd) didn't stop running nad message didn't stop
• I tried to kill xenblkd with kill -9
• still cannot stop the process
  

2005/11/8, Shu Hung (Koala) <koalay.dg21@xxxxxxxxx>:

Dear all,

I have installed a minimal Fedora according to Fedora Xen Quickstart .
Everything was fine:

• I installed Xen supported kernel with rpm
• I started xend as the guide described: "service xend start"
• I confirmed my installation by " xm list"
• I configured a unprivileged Domain named "Domain-1.fc4"
• I started that "Domain-1.fc4" with "xm create -c Domain-1.fc4 "
• The Domain loaded successfully and I was in the unprivleged domain
• I logged in as root.
  
• I worked arround the domain
• changed some text file
• list directories to see
• I then tried to bring up the network with commands:
• ifconfig eht0 up

Just after I brought the eth0 interface up, console starts to pop up messages repeatly:

 printk: 4 messages suppressed.
 Memory squeeze in netback driver.

I go to domain 0 with another window and tried to stop the Domain-1.fc4

 xm shutdown Domain-1.fc4

Things remains unchanged. I still see Domain-1.fc4 on the list "xm list ".
I then tried to stop the whole Xen by "service xend stop" same message
still pop up in the old window.

I checked /var/log/messages of Domain-0 and I found this message is repeating there too:

 Nov  8 16:57:15 sandbox kernel: printk: 4 messages suppressed.
 Nov  8 16:57:15 sandbox kernel: xen_net: Memory squeeze in netback driver.

What is the problem?


Thanks,
Koala Yeung

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