September 2011 - Darwin-kernel

Using SSE registers in kernel
by Arun 03 Sep '11

03 Sep '11

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Build IOHIDFamily-368.13
by Ice.Chien 02 Sep '11

02 Sep '11

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Re: Weird issue loading kernel extension.
by B.J. Buchalter 01 Sep '11

01 Sep '11

site_archiver(a)lists.apple.com Delivered-To: darwin-kernel(a)lists.apple.com On Aug 31, 2011, at 8:06 PM, Alexander Klyuev wrote: > Hi ALL, > > I got unexpected issue: my kernel extension doesn't get loaded on Mac OS X 10.4.11 PPC. > kextload utility outputs the following: > > sudo kextload -t -v 6 /System/Library/Extensions/MyDriver.kext > kextload.log > > Password: > > kld(): /System/Library/Extensions/MyDriver.kext/Contents/MacOS/MyDriver load command 2 unknown cmd field > > kextload: kld_load_from_memory() failed for module /System/Library/Extensions/MyDriver.kext/Contents/MacOS/MyDriver > > kextload: a link/load error occured for kernel extension /System/Library/Extensions/MyDriver.kext > > load failed for extension /System/Library/Extensions/MyDriver.kext > > (run kextload with -t for diagnostic output) > > > > This is the error message (I don't include kextload.log file content because it doesn't shed light on the problem). > > MyDriver.kext contains executables for 3 architectures: ppc, i386 and x86_64, however the issue occurs with PPC arch only. > > It's built with Xcode 3.2.4 (or so) on SL 10.6.7 using SDK 10.4u (SDK 10.6 is for x86_64 arch only). This is because the Mach-o file has the UUID field in and the PPC kernel on 10.4.x doesn't understand it. This is a result of using the linker included with the newer Xcodes. You have to add the following build setting to the project for the ppc build: OTHER_LDFLAGS = -Xlinker -no_uuid That one stumped me for a while when I ran into it. Best regards, B.J. Buchalter Metric Halo http://www.mhlabs.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-kernel mailing list (Darwin-kernel(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-kernel/site_archiver%40lists.… This email sent to site_archiver(a)lists.apple.com

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Weird issue loading kernel extension.
by Alexander Klyuev 01 Sep '11

01 Sep '11

site_archiver(a)lists.apple.com Delivered-To: darwin-kernel(a)lists.apple.com Hi ALL, Password: load failed for extension /System/Library/Extensions/MyDriver.kext (run kextload with -t for diagnostic output) Any ideas on the issue? Thanks, - Alexander _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-kernel mailing list (Darwin-kernel(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-kernel/site_archiver%40lists.… I got unexpected issue: my kernel extension doesn't get loaded on Mac OS X 10.4.11 PPC. kextload utility outputs the following: sudo kextload -t -v 6 /System/Library/Extensions/MyDriver.kext > kextload.log kld(): /System/Library/Extensions/MyDriver.kext/Contents/MacOS/MyDriver load command 2 unknown cmd field kextload: kld_load_from_memory() failed for module /System/Library/Extensions/MyDriver.kext/Contents/MacOS/MyDriver kextload: a link/load error occured for kernel extension /System/Library/Extensions/MyDriver.kext This is the error message (I don't include kextload.log file content because it doesn't shed light on the problem). MyDriver.kext contains executables for 3 architectures: ppc, i386 and x86_64, however the issue occurs with PPC arch only. It's built with Xcode 3.2.4 (or so) on SL 10.6.7 using SDK 10.4u (SDK 10.6 is for x86_64 arch only). This email sent to site_archiver(a)lists.apple.com

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