Re: 2.4.21-rc1 on x86_64 oops at shutdown -h

Andi Kleen writes:
 > [e-mail] writes:
 > 
 > > 2.4.21-rc1 on x86_64 oopses on me at shutdown -h in certain situations.
 > > It's repeatable. Here's the raw oops:
 > 
 > Ah I know what the problem is. I already fixed it in CVS two weeks ago, but 
 > the merge with marcelo was in the brokenness window and I forgot about
 > it because of the long delay (the patch got only applied three weeks
 > later or so)
 > 
 > Just copy arch/x86_64/lib/copy_user.S from an 2.4.20 kernel or revert the 
 > changes in  that file in 2.4.21-rc1, that should fix it.

Confirmed. 2.4.21-rc1 with copy_user.S from -pre7 doesn't oops any more.
Thanks.

/Mikael