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Update: for all pre 2011 MacBook pro users getting the yellow triangle loop and install errors (possibly even those hanging on install) here's a fix that seems to be working for me.

-boot into single user (cmd s after chime)
-type "fsck -fy" without quotes
-run as many times until it says successfully repaired disk
-run install again

So far so good on mine. I'm about 1/2 way thru it when normally it'd error out within the first few minutes.
 
No i got it from a friend of mine who happens to live in Thailand and he has a friend who lives in China who in turn has a friend that attends the WWDC and is a developer and this friend has made a copy of Lion that he has uploaded to a file sharing site and this is how i downloaded Lion.....if i am a developer or not is my business and not yours to ask.

Also having purchased more than 40 mac machines in the last 5 years i really don't need to be a subscribed developer to have access to a legitimate copy of Lion, simply because my company needs it for testing.....hope this answers your question.

Thank you for that helpful answer!
 
don't understand...what's your steps?

First I downloaded the .dmg
Installed it
System rebooted
started to install but hangs
so I boot in SingleUser mode
It installs just fine
It reboots
And hangs at boot
I boot in Single User mode
I try to delete this IO80211Family.kext but fail,
I reboot in a last attempt but to my surprise
Everything works! (incl Wi-Fi)

Thats exactly what I did....
 
First I downloaded the .dmg
Installed it
System rebooted
started to install but hangs
so I boot in SingleUser mode
It installs just fine
It reboots
And hangs at boot
I boot in Single User mode
I try to delete this IO80211Family.kext but fail,
I reboot in a last attempt but to my surprise
Everything works! (incl Wi-Fi)

Thats exactly what I did....


and now u can reboot just fine ?
 
OK so now that Ive got dp4 up and running, how do i get my wifi back? seeing i didn't have to delete any wifi files...
 
Wow did you guys have me prepared for total mayhem trying to install DP4 on my 17" 2011 MBP. Thankfully my install went smooth! To install I simply booted to my SL partition and ran the installer from there onto my existing DP3 partition. Took about 45 minutes, which seemed long to me, but I was also glued to the screen the whole time waiting for things to get crazy. It rebooted and loaded right up to pretty much how I'd left DP3. I've restarted multiple times and all seems well.

I still get this strange screen between the grey boot screen and actually loading into my desktop but it's been that way since DP3.
 

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Wow did you guys have me prepared for total mayhem trying to install DP4 on my 17" 2011 MBP. Thankfully my install went smooth! To install I simply booted to my SL partition and ran the installer from there onto my existing DP3 partition. Took about 45 minutes, which seemed long to me, but I was also glued to the screen the whole time waiting for things to get crazy. It rebooted and loaded right up to pretty much how I'd left DP3. I've restarted multiple times and all seems well.

I still get this strange screen between the grey boot screen and actually loading into my desktop but it's been that way since DP3.


I was so close do to it on my lmac and now it always black since the begegging after

ImAC on DP 3 some trouble firste time troubewith the sd4
 
So i just installed Lion DP4 on MBP2011. I started with dp 2 and install and it hanged after reboot.I started Snow leopard and delete the kext file and reboot. Then i started installer safemode and it did complete the installation but without wifi.

Then i just went and install snow leopard wifi kext file with the kext helper and rebooted again and Wifi is working as well. So This is the way to go Guys.

Lion seemed a bit slow than dp 2 for some reason though :p

But i am glad that i am back to Lion. Just backing up now.
 
I am having the dp4 hang issue after first reboot, install just hangs.

How can I get back to SL?

Sorry, I am a bit of a n00b when it comes to OSX.

Edit: disregard, got SL to boot.

Now setting up a second partition to test.
 
ok guys, now works fine in mbp 2011 with wifi installed (tnx to pacifist and dp2 update 1).If you try to boot in graphical mode, Lion takes 5/6 minutes to start...but if you boot in verbose mode, Lion start in 30 seconds...mmmm...
 
Help! I have tried everything to get DP4 to install on my 2010 MBP. The install fails because (according to the installer log) the fsck fails. Does this mean my HDD is bad? I clicked "repair disk" in disk utility, but it says everything is just fine. Thoughts?

Edit: Copied from the log that I saved:

Jun 9 19:31:47 localhost OSInstaller[312]: Creating recovery volume.
Jun 9 19:31:47 localhost diskmanagementd[316]: DM ..T-[DMToolBootPreference ensureRecoveryPartitionForVolume:]: donor disk's storage system is simple so it itself will be the donor
Jun 9 19:31:47 localhost diskmanagementd[316]: DM ..T-[DMToolBootPreference ensureRecoveryPartitionForVolume:]: normalized donor: logical=0x7feb83c24ef8=disk0s2=DogCow=(iflvuuid=(null)) physical=0x111ffecb0=disk0s2=DogCow=disk0s2 storage=(null)
Jun 9 19:31:47 localhost diskmanagementd[316]: DM ..T-[DMToolBootPreference ensureRecoveryPartitionForVolume:]: ensured donor is slice and on GPT
Jun 9 19:31:47 localhost diskmanagementd[316]: DM ..T-[DMToolBootPreference ensureRecoveryPartitionForVolume:]: donor's whole-disk=0x111ffec10=disk0
Jun 9 19:31:47 localhost diskmanagementd[316]: DM ..T-[DMToolBootPreference ensureRecoveryPartitionForVolume:]: ensured target and donor are reasonable sizes (>2GB) to support a full OS installation
Jun 9 19:31:47 localhost OSInstaller[312]: Checking target disk
Jun 9 19:31:47 localhost diskmanagementd[316]: DM ..T-[DMToolBootPreference ensureRecoveryPartitionForVolume:]: doing fsck of simple donor slice=0x111ffecb0=disk0s2=DogCow
Jun 9 19:31:47 localhost OSInstaller[312]: Checking file system
Jun 9 19:31:48 localhost OSInstaller[312]: Performing live verification.
Jun 9 19:31:48 localhost OSInstaller[312]: Checking Journaled HFS Plus volume.
Jun 9 19:31:48 localhost OSInstaller[312]: Checking extents overflow file.
Jun 9 19:31:48 localhost OSInstaller[312]: Checking catalog file.
Jun 9 19:32:31 localhost OSInstaller[312]: Checking multi-linked files.
Jun 9 19:32:33 localhost OSInstaller[312]: Checking catalog hierarchy.
Jun 9 19:33:20 localhost OSInstaller[312]: Checking extended attributes file.
Jun 9 19:33:32 localhost OSInstaller[312]: Checking volume bitmap.
Jun 9 19:33:32 localhost OSInstaller[312]: Checking volume information.
Jun 9 19:33:32 localhost OSInstaller[312]: Invalid volume file count
Jun 9 19:33:32 localhost OSInstaller[312]: (It should be 1137194 instead of 1137199)
Jun 9 19:33:32 localhost OSInstaller[312]: Invalid volume directory count
Jun 9 19:33:32 localhost OSInstaller[312]: (It should be 237702 instead of 237697)
Jun 9 19:33:32 localhost OSInstaller[312]: The volume DogCow was found corrupt and needs to be repaired.
Jun 9 19:33:32 localhost diskmanagementd[316]: DM ..T-[DMToolBootPreference ensureRecoveryPartitionForVolume:]: done fsck of donor slice; err=-69845
Jun 9 19:33:32 localhost diskmanagementd[316]: DM ..T-[DMToolBootPreference ensureRecoveryPartitionForVolume:]: at Exit; err=-69845
Jun 9 19:33:32 localhost diskmanagementd[316]: DM ..T-[DMToolBootPreference ensureRecoveryPartitionForVolume:]: recoveryDiskBSD=(null) physicalDonorBSD=disk0s2
Jun 9 19:33:32 localhost diskmanagementd[316]: DM ..T-[DMToolBootPreference ensureRecoveryPartitionForVolume:]: detach if set: didDiskImageAttach=0
Jun 9 19:33:32 localhost OSInstaller[312]: Recovery system creation failed with error -69845 (File system verify or repair failed)
Jun 9 19:33:32 localhost diskmanagementd[316]: DM <-T-[DMToolBootPreference ensureRecoveryPartitionForVolume:]
Jun 9 19:33:32 localhost OSInstaller[312]: Failed to create recovery partition with because fsck failed.
Jun 9 19:33:32 localhost OSInstaller[312]: Unblessing target and failing install.
Jun 9 19:33:32 localhost OSInstaller[312]: Install failed: The Installer could not install the software.
Jun 9 19:33:33 localhost OSInstaller[312]: Allowing machine sleep.
Jun 9 19:33:33 localhost OSInstaller[312]: Memory statistics for 'Install Failed' pane:
Jun 9 19:33:33 localhost OSInstaller[312]: Physical Memory Allocation: 1831 MB wired, 258 MB trapped, 92 MB active, 63 MB inactive, 5948 MB free, 6103 MB usable, 8192 MB total
Jun 9 19:33:38 localhost Unknown[297]: 2011-06-09 19:33 Mac OS X Installer[312] (CarbonCore.framework) FSEventStreamStart: ERROR: FSEvents_connect() => Unknown service name (1102)
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.1 - Client: coreservicesd, UID: 0, EUID: 0, GID: 0, EGID: 0
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.1 - ODNodeCreateWithName request, SessionID: 00000000-0000-0000-0000-000000000000, Name: /Local/Default
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.1 - loading configuration for '/Local' from '/System/Library/OpenDirectory/Configurations/Local.plist'
Jun 9 19:33:38 localhost opendirectoryd[91]: Loaded bundle at path '/System/Library/OpenDirectory/Modules/PlistFile.bundle'
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.1 - unable to find authentication module 'ConfigurationProfiles'
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.1 - unable to find service discovery callback for module 'PlistFile'
Jun 9 19:33:38 localhost opendirectoryd[91]: Registering for network changes
Jun 9 19:33:38 localhost opendirectoryd[91]: Registered subnode with name '/Local/Default'
Jun 9 19:33:38 localhost opendirectoryd[91]: 91.2 - Internal request
Jun 9 19:33:38 localhost opendirectoryd[91]: 91.2 - ODNodeCreateWithName request, SessionID: 00000000-0000-0000-0000-000000000000, Name: /Local/Default
Jun 9 19:33:38 localhost opendirectoryd[91]: Registering for power changes
Jun 9 19:33:38 localhost opendirectoryd[91]: Registering for network power changes
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.1, Node: /Local/Default - node assigned UUID - 422E7261-08E8-4D2E-B1A9-F00274947103
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.1, Node: /Local/Default - ODNodeCreateWithName completed
Jun 9 19:33:38 localhost opendirectoryd[91]: 91.2, Node: /Local/Default - node assigned UUID - 248EC060-53C0-4C62-94CE-2EEA6A8EDE27
Jun 9 19:33:38 localhost opendirectoryd[91]: 91.2, Node: /Local/Default - ODNodeCreateWithName completed
Jun 9 19:33:38 localhost opendirectoryd[91]: 91.3, Module: PlistFile - Internal request
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.4 - Client: coreservicesd, UID: 0, EUID: 0, GID: 0, EGID: 0
Jun 9 19:33:38 localhost opendirectoryd[91]: 91.3, Module: PlistFile - ODQueryCreateWithNode request, NodeID: 248EC060-53C0-4C62-94CE-2EEA6A8EDE27, RecordType(s): dsRecTypeStandard:Config, Attribute: dsAttrTypeStandard:RecordName, MatchType: EqualTo, Equality: CaseIgnore, Value(s): CIFSServer, Requested Attributes: dsAttrTypeStandard:XMLPlist,dsAttrTypeStandard:RecordName,dsAttrTypeStandard:RecordType, Max Results: 1
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.4 - ODQueryCreateWithNode request, NodeID: 422E7261-08E8-4D2E-B1A9-F00274947103, RecordType(s): dsRecTypeNative:config, Attribute: dsAttrTypeStandard:RecordName, MatchType: EqualTo, Equality: CaseExact, Value(s): SharePoints, Requested Attributes: dsAttributesAll, Max Results: 1
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.4, Node: /Local/Default, Module: PlistFile - client is using a native record type 'config' which is not portable
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.4, Node: /Local/Default, Module: PlistFile - client is using a native record type 'config' which is not portable
Jun 9 19:33:38 localhost opendirectoryd[91]: 91.3, Node: /Local/Default, Module: PlistFile - ODQueryCreateWithNode completed
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.4, Node: /Local/Default, Module: PlistFile - ODQueryCreateWithNode completed
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.5 - Client: coreservicesd, UID: 0, EUID: 0, GID: 0, EGID: 0
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.5 - ODNodeCreateRecord request, NodeID: 422E7261-08E8-4D2E-B1A9-F00274947103, RecordType: dsRecTypeNative:config, RecordName: SharePoints, Attributes: <none>
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.5, Node: /Local/Default, Module: PlistFile - client is using a native record type 'config' which is not portable
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.5, Node: /Local/Default, Module: PlistFile - ODNodeCreateRecord completed, delivered 1 result
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.6 - Client: coreservicesd, UID: 0, EUID: 0, GID: 0, EGID: 0
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.6 - ODQueryCreateWithNode request, NodeID: 422E7261-08E8-4D2E-B1A9-F00274947103, RecordType(s): dsRecTypeNative:config/SharePoints, Attribute: dsAttrTypeStandard:RecordName, MatchType: Any, Equality: CaseExact, Value(s): dsRecordsAll, Requested Attributes: dsAttrTypeNative:ftp_guestaccess,dsAttrTypeNative:smb_name,dsAttrTypeNative:sharepoint_account_uuid,dsAttrTypeNative:smb_createmask,dsAttrTypeNative:sharepoint_version,dsAttrTypeStandard:AppleMetaNodeLocation,dsAttrTypeNative:afp_guestaccess,dsAttrTypeNative:afp_shared,dsAttrTypeStandard:RecordType,dsAttrTypeNative:ftp_shared,dsAttrTypeNative:afp_name,dsAttrTypeNative:smb_oplocks,dsAttrTypeNative:afp_use_parent_owner,dsAttrTypeNative:smb_directorymask,dsAttrTypeStandard:RecordName,dsAttrTypeNative:afp_use_parent_privs,dsAttrTypeNative:smb_guestaccess,dsAttrTypeNative:smb_inherit_permissions,dsAttrTypeStandard:AppleMetaRecordName,dsAttrTypeNative:smb_shared,dsAttrTypeNative:directory_path,dsAttrTypeNative:smb_strictlocking,dsAttrTypeNative:sharepoint_group_id,dsAttrTypeNative:ftp_name, Max Results: 2147483647
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.6, Node: /Local/Default, Module: PlistFile - client is using an old record type 'dsRecTypeNative:config/SharePoints' should be using kODRecordTypeSharePoints
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.6, Node: /Local/Default, Module: PlistFile - client is using an old record type 'dsRecTypeNative:config/SharePoints' should be using kODRecordTypeSharePoints
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.6, Node: /Local/Default, Module: PlistFile - flushing record '/private/var/db/dslocal/nodes/Default/config/SharePoints'
Jun 9 19:33:38 localhost opendirectoryd[91]: Module: PlistFile - ___index_record_block_invoke_1: sqlite3_prepare_v2: 21
Jun 9 19:33:38 localhost opendirectoryd[91]: Module: PlistFile - ___index_record_block_invoke_1: sqlite3_prepare_v2: 21
Jun 9 19:33:38 localhost opendirectoryd[91]: 298.6, Node: /Local/Default, Module: PlistFile - ODQueryCreateWithNode completed
Jun 9 19:33:41 localhost OSInstaller[312]: Can not connect to /var/run/systemkeychaincheck.socket: No such file or directory
 
Last edited:
After messing around I finally got DP4 working on my 2011 Macbook Pro 15" Core i7:-

1. Installed a fresh copy of Snow Leopard

2. Ran the Lion DP4 install file within SL.

3. Rebooted once to continue installation. *Can't remember if I used CMD+S during reboot?*

4. When installation was about to finish, and countdown to reboot started, I quickly loaded Terminal. You will find it in the above menu. This stopped the countdown.

5. Renamed /System/Library/Extenstions/IO80211Family.kext to IO80211Family.kext.old

6. Quit terminal and rebooted.

7. Booted without any issue into Lion. Rebooted again to make sure. (no wifi at this point)

8. Once rebooted renamed IO80211Family.kext.old back to .kext and rebooted. *thats all I did!*

9. It picked up the kext without me having to mess with anything else. (No kextcache or kext helper or anything).

10. Now running Lion DP4 with Wifi on my Macbook Pro 2011 15" Core i7 :)
 
Am I the only one who finds this whole mess really disgraceful? I mean one month to launch and we have all this? To me this seems like an Alpha OS, not even Beta. To have to go through all these hoops to get this installed over Snow Leopard? I'm coming to really appreciate the smoothness of Snow Leopard right about now.
 
Am I the only one who finds this whole mess really disgraceful? I mean one month to launch and we have all this? To me this seems like an Alpha OS, not even Beta. To have to go through all these hoops to get this installed over Snow Leopard? I'm coming to really appreciate the smoothness of Snow Leopard right about now.

Yes, you are right. It is messy to say the least.
I bet all Macbook Pro 2011 owners are going to see a firmware update one of these days. The iMac 2011 that also got this issue are already patched.
http://www.macupdate.com/app/mac/38892/apple-imac-graphic-fw-update

No sure if it relates to what we encountered but it could.

About smoothness:
SL is way smoother in operating compared to Lion. Lion just doesn't feel right atm. It has jerky graphics animations at some point (resizing apps are not very smooth to say the least, opening a folder (window growing effect) is n't smooth either.
Not sure of this will be improved in the GM.
 
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