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Re: gcc: Internal Compiler error: Bus error randomly occurs.

I am running gcc version 4.6.3 so it isn't that. I too wasn't having any problems with my older Sparc systems, Ultra 5 and Blade 100. Without Xorg running my kernel compiling hasn't been interrupted by the Bus error. I have also been running into a known bug with the kernel http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=648766 that I am going to try and set up a kernel debugging environment and start trying to find the problem. I feel like all these problems I have are related.


On 04/02/2012 01:10 PM, Patrick Baggett wrote:
I run Xorg with nouveau on that Ultra10 and I too get bus errors from nouveau, but I do compiles all the time without problem. I understand that the problem is intermittent -- perhaps it is related to an older GCC version? I'm using GCC 4.6.x and I have no problems what so ever.

On Mon, Apr 2, 2012 at 11:59 AM, Kieron Gillespie <ciaran.gillespie@gmail.com> wrote:
The problem is that there is no particular case that it Bus Errors on with gcc. I am right now trying to see if the random Bus Errors have anything to do with the nouveau driver giving me Kernel unaligned access errors. So right now I am having this system compile the Linux kernel without Xorg running which when Xorg was running the Bus Error happened with the unaligned access errors. So it may just be this driver bug I have been having.


On 04/02/2012 10:57 AM, Patrick Baggett wrote:
I haven't had any bus errors while compiling, and I do a fairly good bit of it on a Sun Ultra 10 (UltraSPARC IIi, not IIIi like the Blade 2500). Do have a  *.c/*.cpp test case I can try to compile that gives you SIGBUS? Also, what version of GCC are you using?


On Sun, Apr 1, 2012 at 8:09 PM, Kieron Gillespie <ciaran.gillespie@gmail.com> wrote:
Hello everyone,

I recently got a Sun Blade 2500, and have been trying to track down some bugs. But one bug that I have constantly noticed is that gcc will randomly get an Internal Compiler error: Bus error message. Now all I normally have to do is rerun the compiler and the error doesn't occur again. Though this is quite troubling and I was wondering if anyone has any idea what could be causing it?

-Kieron Gillespie

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