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[Qemu-devel] [Bug 584153] Re: no useful error message when tap device op


From: Joel Schopp
Subject: [Qemu-devel] [Bug 584153] Re: no useful error message when tap device open fails
Date: Wed, 02 Jun 2010 17:02:35 -0000

Please send this patch with a signed-off-by: to the linux kernel mailing
list and netdev mailing lists, see
http://www.kernel.org/pub/linux/docs/lkml/#s3-3

** Changed in: qemu
       Status: New => Incomplete

-- 
no useful error message when tap device open fails
https://bugs.launchpad.net/bugs/584153
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Status in QEMU: Incomplete
Status in “qemu-kvm” package in Debian: Fix Released

Bug description:
When using tap network devices and it fails, qemu gives no information about 
what the problem is (permission denied, device busy or other), making debugging 
of such situations, especially for newbies, very difficult.  The proposed patch 
just adds strerror() around the place, making it more friendly.

See also Debian bug#578154, 
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=578154 and a discussion on 
qemu-devel at http://marc.info/?t=127192875200003 .





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