On 04/15/2013 12:51 PM, [email protected] wrote: > Michael Mol <[email protected]> wrote: > >> On 04/15/2013 12:07 PM, Tanstaafl wrote: >>> On 2013-04-15 11:51 AM, Tanstaafl <[email protected]> wrote: >>>> I'm confused about how this works in a hosted virtual environment. >>>> >>>> My Dev server failed to come up after the migration, until their tech >>>> support suggested switching to the 64bit kernel... did that and it is >>>> fine now (or appears to be)... >>>> >>>> But the Prod server is still on the 32bit kernel... >>>> >>>> Should I switch it to 64bit and change the CFLAGS to the same as the dev >>>> server? >>> >>> Can you run a 64bit kernel on a system that was originally >>> running/compiled with 32bit? >>> >> >> I don't see why not. The 64-bit kernel provides all the hooks necessary >> for a 32-bit userspace. >> > If you do this, be sure to set the configs to emulate 32-bit otherwise > your 32-bit apps will not work!
Which configs? Be specific; to a 32-bit x86 process[1], a 64-bit kernel looks pretty much like a 32-bit kernel. [1] I just realized I can no longer say "32-bit" and expect it to exactly mean x86. Going forward in general conversations, it could well mean x32...
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