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Re: zfs crash on amd64



On Sun, Nov 08, 2009 at 04:14:18AM +0100, Adam Hamsik wrote:
> 
> On Nov,Saturday 7 2009, at 5:45 PM, Thor Lancelot Simon wrote:
> 
> >On Sat, Nov 07, 2009 at 11:29:42AM +0100, Adam Hamsik wrote:
> >>
> >>>You really don't want to use -O0, it will cause the code to be
> >>>much, much larger, run much, much slower and use more stack.
> >>>If it hides any bugs, when you change to -O2 for production use
> >>>you'll have to debug the code again.
> >>
> >>Otherwise gcc will inline functions for me makes almost impossible to
> >>find out what is going on.
> 
> Thanks to help of many developers especially cube@ we have found
> that this panic is caused by bug in a gcc which we use.

To those who would raise an eyebrow to that somewhat bold assertion:

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41990

-- 
Quentin Garnier - cube%cubidou.net@localhost - cube%NetBSD.org@localhost
"See the look on my face from staying too long in one place
[...] every time the morning breaks I know I'm closer to falling"
KT Tunstall, Saving My Face, Drastic Fantastic, 2007.

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