SOLVED Macbook Pro kernel panic


oddshoes

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I have a 2011(?) Mac book pro which was dual booted with Linux. The Linux was then upgraded which seems to have overwritten something which prevents the mac OS loading. I have an original snow leopard installation disk. I booted from the Install disc by holding “c” with the Install DVD inserted and did a disc repair on the MAC OX partition and also repaired the permissions which was all good except for the warning:

Warning SUID file “System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/MacOS/ARDAgent” has been modified and will not be repaired.

When I try to boot to OSX from the Grub boot menu I get a kernel panic with the following message:

pmap_map_bd: invalid kernel address – then long file address

Does anyone have a clue how to fix this without losing the originl mac install – I don’t care about the Linux partition.

Thanks.
 
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Cory Cooper

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Hello and welcome.

The ARDAgent error is simply because the version currently installed is new than the version of Disk Utility that is repairing perssions "knows" about.

pmap_map_bd: invalid kernel address - I believe that is an EFI issue.

It sounds like the Linux update may have updated the GRUB files, causing the kernel panic. I don't have any experience with GRUB or dual-booting a Mac with Linux or and third-party EFI managers like GRUB/rEFIt, etc.

Maybe someone in a forum with more experience with GRUB and dual-boot Linux could shed some light.

Let us know if you find a soliution.

C
 

oddshoes

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Thanks very much for your input - I'll try going through a Linux forum and post here if I get a solution
 

oddshoes

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Hello and welcome.

The ARDAgent error is simply because the version currently installed is new than the version of Disk Utility that is repairing perssions "knows" about.

pmap_map_bd: invalid kernel address - I believe that is an EFI issue.

It sounds like the Linux update may have updated the GRUB files, causing the kernel panic. I don't have any experience with GRUB or dual-booting a Mac with Linux or and third-party EFI managers like GRUB/rEFIt, etc.

Maybe someone in a forum with more experience with GRUB and dual-boot Linux could shed some light.

Let us know if you find a soliution.

C
Thanks very much for your input - I'll try going through a Linux forum and post here if I get a solution
 

oddshoes

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Solved, but I can't logically explain why. Ever since this machine was dual booted a rather broken looking grub command line boot menu came up, but succeeded in booting to either OS. I found a site that suggested some command line possibilities and tried them but with no success, but when I typed exit to get out of the command line, it gave me the proper GUI dual boot interface and I was able to boot into 10.7.5 and now it displays the GUI interface each time and all is well.
Baffled but happy.
 
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Cory Cooper

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Excellent...glad to hear it's working normally for you. And, thanks for posting the solution.

Be well,

C
 

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