Your message dated Sat, 04 Apr 2009 23:02:11 +0100
with message-id <[email protected]>
and subject line Re: Bug#522407: ethtool: useless in scripts: always returns 0
has caused the Debian Bug report #522407,
regarding ethtool: useless in scripts: always returns 0
to be marked as done.
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522407: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=522407
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--- Begin Message ---
Package: ethtool
Version: 6+20090307-1
Severity: normal
When there is no link ethtool should return non-zero, as it used to.
That way testing for a link is as easy as "if ethtool eth0; then ...; fi"
-- System Information:
Debian Release: squeeze/sid
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (499,
'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.29-1-timgad64 (SMP w/2 CPU cores)
Locale: LANG=en_CA, lc_ctype=fr...@euro (charmap=ISO-8859-15)
Shell: /bin/sh linked to /bin/bash
Versions of packages ethtool depends on:
ii libc6 2.9-6 GNU C Library: Shared libraries
ethtool recommends no packages.
ethtool suggests no packages.
-- no debconf information
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--- End Message ---
--- Begin Message ---
On Fri, 2009-04-03 at 15:27 +0200, Louis-David Mitterrand wrote:
> Package: ethtool
> Version: 6+20090307-1
> Severity: normal
>
> When there is no link ethtool should return non-zero,
I disagree; it's not a failure.
> as it used to.
That must have been a long time ago. The earliest version I could find
was 1.7 from 2002, and it doesn't have this behaviour. So this cannot
be the behaviour expected by most users.
> That way testing for a link is as easy as "if ethtool eth0; then ...; fi"
You should instead use:
! { ip link show $iface | grep -q NO-CARRIER; }
which doesn't require root and works with every kind of network device.
Ben.
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