Diff for /wikisrc/users/haad/porting_zfs.mdwn between versions 1.7 and 1.8

version 1.7, 2009/10/26 23:21:58 version 1.8, 2009/11/12 00:08:15
Line 55  After creating ZVOLS and filesystem they Line 55  After creating ZVOLS and filesystem they
 ## Show stoppers   ## Show stoppers 
   
 ### amd64  ### amd64
 * amd64 zio_root crash  
 Investigation   amd64 related panic was fixed in version 1.1 of sys/arch/amd64/include/Makefile.inc by adding -mno-red-zone flag to amd64 modules build flags.
 vdev_label_read_config -> zio_root calls zio_wait on a zio_root zio_t. Later zio_execute tries to generate                        
 checksum on zio->zio_data which is NULL for a zio_root. Is this ressurrection of andys zio_null problem ?   
 because zio_root is basicaly zio_null.  
                   
  Solution  
  What is difference between i386 and amd64 version why it is working on i386 and not on a amd64 that can be  
  solution.  
 ### i386   ### i386 
   
 ### Both   ### Both 

Removed from v.1.7  
changed lines
  Added in v.1.8


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