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[Xen-bugs] [Bug 477] New: Too much data to screen in domU crashes xencon

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Subject: [Xen-bugs] [Bug 477] New: Too much data to screen in domU crashes xenconsoled in dom0
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Date: Thu, 12 Jan 2006 10:07:43 +0000
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           Summary: Too much data to screen in domU crashes xenconsoled in
           Product: Xen
           Version: 3.0.0
          Platform: x86
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P4
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: alex.kelly@xxxxxxxxxx

Outputting large abouts of data to screen in a console seems to crash 

This was origianlly found by listing the contents of a directory in domU. This
caused xenconsoled to crash and the console to be terminated. Further attemts to
initiate a console resulted in errors about missing ttys ie.

'xenconsole: Could not open tty `/dev/pts/3': No such file or directory'

This is fixed by restarting xend to bring up xenconsoled again.

The directory in question contained ~14000 files. Echoing the contents of the
listing to a file then cating that to the screen has the same result.

Cating any largeish file to the console seems to result in killing xenconsoled
in the same way.

System Info :

dom0 - Linux #2 SMP
domU - Linux #2 SMP

kernels compiled from the source -
http://bits.xensource.com/Xen/latest/xen-3.0.0-src.tgz (5/1/2006)

CPU - 2 x Intel Xeon 2.8
Mobo - Supermicro X6DAL-G
3GB RAM (3 x 1G)

no info is output in any of :

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