Re: [Lprng-devel] Problem with Kerberized lpr on OS X 10.10

[Rick C. <rc...@co...>]

Walter,

Thanks for the quick response!  Good to know you are still there.

So the "not implemented" is a red herring?

I get some interesting results by googling 'os x "guarded fd 
exception"'.  It looks like Apple is trying to "help" us again.

It is extremely difficult for me to debug this because it occurs only on 
a particular student's laptop.  I cannot reproduce it elsewhere.

Oops!  I just tried it again on my VM and it crashed nicely.  I have 
appended Apple's crash dump.  As the google articles state, it died 
closing an FD.

I have attached the Apple crash dump, which I had a heck of a time 
getting from my Parallels VM to its host machine.

Yours,
-Rick

On 10/24/14, 11:56 AM, walter harms wrote:
>
> Hello Rich,
>
> Am 24.10.2014 17:21, schrieb Rick Cochran:
>> Hi,
>>
>> On one workstation running Yosemite, lpr crashes, producing these
>> entries in system.log:
>>
>> Oct 24 10:31:20 dhcp-hol-1591.redrover.cornell.edu lpr[1972]:
>> MITKerberosShim: function krb5_auth_con_initivector not implemented
> seems harmless: http://web.mit.edu/kerberos/krb5-devel/doc/appdev/refs/api/krb5_auth_con_initivector.html
>
>> Oct 24 10:31:21 dhcp-hol-1591 kernel[0]: lpr: guarded fd exception: fd 5
>> code 0x1 guard 0x982080c8
>
> according to this [https://gitorious.org/libreoffice/core/commit/73a508f574995f09559c003cb810e5d2ff2691c2]
> it seen 5 is a "guarded fd" (0,1,2 i can understand but why 5 ?) that can not be closed, it seems that OS X
> need some special safe guards.
>
> could you run gdb or strace to give a hint where that crash occurs ?
>
>
>> Oct 24 10:31:21 dhcp-hol-1591.redrover.cornell.edu ReportCrash[1970]:
>> Saved crash report for lpr[1972] version ??? to
>> /Library/Logs/DiagnosticReports/lpr_2014-10-24-103121_XXXXX-MacBook-Pro-2.crash
>>
>>
>> On my own VM running Yosemite, lpr works just fine.
>>
>> I'm using LPRng-3.8.B.
>>
>
> re,
>   wh
>