Re: 4.5.99.903 problem on Linux

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On Wed, Apr 19, 2006 at 08:52:52PM +0900, Takaaki Nomura wrote:
>On Tue, 18 Apr 2006 19:27:36 -0400, David Dawes wrote:
>>On Fri, Apr 14, 2006 at 08:39:47PM +0900, Takaaki Nomura wrote:
>>>On Thu, 13 Apr 2006 20:27:29 -0400, David Dawes wrote:
>>>>On Wed, Apr 12, 2006 at 08:22:39PM +0900, Takaaki Nomura wrote:
>>>>>I've tested 4.5.99.903 on FreeBSD and Linux.
>>>>>
>>>>>When I terminated the server on Linux, I couldn't return to
>>>>>the console and the root window remained.
>>>>>
>>>>>The problem didn't occur on FreeBSD.
>>>>>
>>>>>I've attached the server log below.
>>>>>
>>>>>Are there any latest changes on the CVS version?
>>>>
>>>>Not that would affect this.
>>>>
>>>>Is the problem repeatable?  If so, can you get some debugging information
>>>>with gdb?  If you start the server with no clients, then exit, does the
>>>>problem still occur?  If the stack trace in the log is accurate, it shows
>>>>a crash in main().  A trace with gdb from a server built with debugging
>>>>info should help.
>>>>
>>>>>Caught signal 11.
>>>>>Stack trace:
>>>>> 0: 0x808db5d: 0x808db40 xf86ShowStackTrace + 0x1d
>>>>>	Module "/usr/X11R6.6/bin/XFree86"
>>>>> 1: 0x808dc23: 0x808dbc0 xf86SigHandler + 0x63
>>>>>	Module "/usr/X11R6.6/bin/XFree86"
>>>>> 2: 0xffffe420: 0xffffe420 __kernel_sigreturn + 0x0
>>>>>	Module ""
>>>>> 3: 0x80d2946: 0x80d24c0 main + 0x486
>>>>>	Module "/usr/X11R6.6/bin/XFree86"
>>>>>
>>>>>Fatal server error:
>>>>>Server aborting
>>>>
>>>>David
>>>
>>>It is repeatable on both of my two test PCs running Fedora Core 5.
>>>I've attached the static server logs below. One is with glint-based
>>>PC and the other is with i810-base PC.
>>>
>>>It's strange that gdb indicates the static symbol(variable)s of Enc61
>>>and i810_pitch_flags.
>>>
>>>Fedora Core 5 uses gcc 4.1.0.
>>>
>>>I can't test until next week.
>>
>>I've gotten access to a machine running FC5 and have reproduced this
>>problem.  It seems to be an array overrun.  The attached patch fixes it
>>for me.  Let me know how it goes for you.
>>
>>David
>
>I've tested the 4.5.99.903 static/loader servers with your patch on 
>both of my two test PCs running FC5. The problem didn't occur.
>It seemed to be fixed. Thanks a lot.

Thanks for the report and feedback.

David
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