devdoc:devdoc_switch_i586_x86_64

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devdoc:devdoc_switch_i586_x86_64 [2015/11/27 08:59]
droemel [Switching Images between i586 and x86_64] 		devdoc:devdoc_switch_i586_x86_64 [2020/04/15 06:35]
mkeuter [Incompatibilities between i586 and x86_64]
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 ====== Switching Images between i586 and x86_64 ====== ====== Switching Images between i586 and x86_64 ======
  
-Beginning with SVN r7353 and officially with AstLinux 1.2.5, two new board types were added: genx86_64 and genx86_64-serial.  These boards are x86_64 builds using a 64-bit toolchain, initrd and Linux kernel.+Beginning with AstLinux 1.2.5, two new board types were added: genx86_64 and genx86_64-serial.  These boards are x86_64 builds using a 64-bit toolchain, initrd and Linux kernel.
  
 In general, users will be advised to choose either a geni586[-serial] or genx86_64[-serial] install image and stick with that board type, but developers may want to take a shortcut and switch between i586 and x86_64. In general, users will be advised to choose either a geni586[-serial] or genx86_64[-serial] install image and stick with that board type, but developers may want to take a shortcut and switch between i586 and x86_64.
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 !!Info ->!! [[devdoc:boardtypes|List of board types]] !!Info ->!! [[devdoc:boardtypes|List of board types]]
 +
 +===== Testing for x86_64 support =====
 +
 +If this CLI command generates output, then your board should support x86_64: ("Long Mode" CPUID flag)
 +
 +  grep '^flags.* lm ' /proc/cpuinfo
 +
 +If no output is generated then your board will not support x86_64.
 +
 ===== Incompatibilities between i586 and x86_64 ===== ===== Incompatibilities between i586 and x86_64 =====
  
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   * LDAP-AB using slapd, the ''/mnt/kd/ldap/data/data.mdb'' database is specific to 32 or 64 bits and needs to be rebuilt.   * LDAP-AB using slapd, the ''/mnt/kd/ldap/data/data.mdb'' database is specific to 32 or 64 bits and needs to be rebuilt.
   * Asterisk FOP2 uses a binary blob for either 32 or 64 bit systems, so a new version must be installed.  Your configuration should continue to work.   * Asterisk FOP2 uses a binary blob for either 32 or 64 bit systems, so a new version must be installed.  Your configuration should continue to work.
-  * The ''initrd.img'' file that accompanies the run image is specific to 32 or 64 bits, usually not a problem. **Do not** ''revert'' to a different architecture and reboot.+  * The ''initrd.img'' file that accompanies the run image is specific to 32 or 64 bits, usually not a problem. \\**Do not** ''revert'' to a different architecture and reboot!
  
 ===== Upgrade switch to x86_64 (64-bit) or i586 (32-bit) ===== ===== Upgrade switch to x86_64 (64-bit) or i586 (32-bit) =====
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 You could just use the LDAP-AB tab for the backup/restore, but using cat/add also restores the passwords. You could just use the LDAP-AB tab for the backup/restore, but using cat/add also restores the passwords.
- 
  • devdoc/devdoc_switch_i586_x86_64.txt
  • Last modified: 2020/04/15 06:35
  • by mkeuter