[vbox-dev] Enabling ahciLog()?

[Frank Mehnert]

On Friday 12 August 2011 02:10:32 Pilsung Kang wrote:
> Hi,
> 
> Can some one help in enabling ahciLog() in DevAHCI.cpp? I've read
> related threads in this forum and tried all the methods I can think
> of, but was unsuccessful. For example, VBOX_LOG=+dev_ahci.e.l.l2.f
> didn't work for me. Any hints would be appreciated.

First, make sure that the VBOX_LOG environment variable is properly
exported. Second, this will only work for DEBUG builds, so you have
to build your tree with

  ./configure --build-debug

and you have to use the binaries from out/*.*/debug/...
Using a normal debug build you will get the userlevel (R3) log messages.
To also get the R0 log messages you have to do a debug build of your
kernel modules as well (do 'export BUILD_TYPE=debug' before you compile
your Linux host kernel modules). And you have to renable R0 logging
explicitely (add 'VBOX_WITH_R0_LOGGING = 1' to your LocalConfig.kmk
in the root directory of your VirtualBox source tree and recompile the
whole tree.

Kind regards,

Frank
-- 
Dr.-Ing. Frank Mehnert
Senior Manager Software Development Desktop Virtualization, VirtualBox
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