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Bug#333927: libc6: Timezone calculation for files in /usr/share/zoneinfo/Etc are inversed!

severity 333927 normal

On Fri, Oct 14, 2005 at 11:38:09AM -0300, Gleydson Mazioli da Silva wrote:
> Package: libc6
> Version: 2.3.2.ds1-22
> Severity: critical
> Justification: breaks unrelated software

> The date show by "date" command (or zdump) for localtime configured 
> for files in /usr/share/zoneinfo/Etc are inversed (GMT-Number act as
> GMT+Number, and GMT+Number work like GMT-Number)  this cause bad 
> date to be written to log files and causes the system to run maintanance
> tasks out of sync with other systems (database shutdown, by instance), 
> causing availability problems for systems running in production environment,
> backup problems, etc. 
> how to reproduce this bug:

> (GMT Time is now 14:27)
> zdump /usr/share/zoneinfo/Etc/GMT-3
> /usr/share/zoneinfo/Etc/GMT-3 Fri Oct 14 17:27:22 2005 GMT-3

> This bug was reproduced on every system that has Sarge installed.

But GMT-3 isn't even a real timezone, so there's no reason why this should
be release-critical.

Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
vorlon@debian.org                                   http://www.debian.org/

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