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Date:      Wed, 30 Dec 2009 16:34:54 -0700 (MST)
From:      Warren Block <wblock@wonkity.com>
To:        doug@safeport.com
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: xorg-7.4_2 error (was xorg 7.4 questions)
Message-ID:  <alpine.BSF.2.00.0912301557440.73034@wonkity.com>
In-Reply-To: <alpine.BSF.2.00.0912301603230.13735@fledge.watson.org>
References:  <alpine.BSF.2.00.0912281211530.80053@oceanpt.safeport.com> <alpine.BSF.2.00.0912281135550.40512@wonkity.com> <alpine.BSF.2.00.0912281418450.80053@oceanpt.safeport.com> <alpine.BSF.2.00.0912281346440.41055@wonkity.com> <alpine.BSF.2.00.0912281652410.80053@oceanpt.safeport.com> <alpine.BSF.2.00.0912281504230.41253@wonkity.com> <alpine.BSF.2.00.0912281851160.80053@oceanpt.safeport.com> <alpine.BSF.2.00.0912290825290.45036@wonkity.com> <alpine.BSF.2.00.0912301314460.8622@oceanpt.safeport.com> <alpine.BSF.2.00.0912301603230.13735@fledge.watson.org>

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On Wed, 30 Dec 2009, doug@safeport.com wrote:

> On Wed, 30 Dec 2009, doug@safeport.com wrote:
>
> [non applicable stuff cut]
>
>> Starting xdm gives the following in /var/log/xdm-log:
>>
>>     :
>>  finished PLL1
>>  set RMX
>>  set LVDS
>>  enable LVDS
>>  disable primary dac
>>  disable FP1
>>  disable TV
>>  /libexec/ld-elf.so.1: /usr/local/bin/X: Undefined symbol "shmctl"
>>  xdm error (pid 1416): server unexpectedly died
>>  xdm error (pid 1416): Server for display :0 can't be started, session
>>  disabled
>
> This is mostly likely because my 7.2 libc is earlier than the one used to 
> build the package. I am told that, "there's a strong argument that 7-stable 
> packages should actually be built against 7.0, which defines the binary 
> interface, but the portmgr folks are not convinced to do so".

After updating ports, 'portsdb -Fu' and 'portversion -vL=' will show 
what's outdated.  (That's with portupgrade installed.  Some would have 
you believe it's second in evil only to HAL.  Maybe true, but it works.)

And then 'portupgrade -r portname' (or 'portupgrade -ar', if you like) 
should upgrade the outdated stuff and everything that depends on it. 
And -P or -PP might help by retrieving packages, although I haven't 
tried that in years.

> As an end-user I would at least plead for a doc-change. This bit explains a 
> lot of 'random' behavior that gets reported. Getting an error is the best 
> that can be hoped for. A change in a syscall that produces a silent error is 
> much more time consuming. Xorg being Xorg this is just, I am sure, the next 
> layer. This is also most likely the answer to threads on 10/09/09 and 
> 12/17/09.

Is the slow startup with xdm fixed by upgrading libc?  By replacing the 
package or via ports?

-Warren Block * Rapid City, South Dakota USA



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