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[HALF-SUCCESS] iTunes 12.7 constantly crashing (random messages)

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@deejayts @VioletDragon @cryptobrian If you are using HD4600+ and Safari or iTunes doesn't freezing (with or without a discrete GPU) is maybe because aren't enabled the Hardware Encoder (Intel Quick Sync).

That depends of the Clover's configuration (ig-platform-id).

If the intel's quick sync is disabled, no probably doesn't have any issue.
If don't use any extra kext, the DRM content on iTunes cannot be played.
 
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So, you haven't a discrete gpu right? So, you don't need any extra bootarg.
Without the boot flag I don’t have hardware encoding?

With it I do. But iTunes crashes. A lot actually.

Although I’ve found an old duplicate Realtekalc.kext in a 10.12 folder in klover. But I doubt that’s the issue?
 
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i checked all parts to fix itunes crash. no luck. now there is no way.
i think itunes softeware issue. i saw some itunes crash report on real mac.
hope apple will fix it.
Sierra is perfect. High Sierra is perfect except itunes crash randomly
 
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i checked all parts to fix itunes crash. no luck. now there is no way.
i think itunes softeware issue. i saw some itunes crash report on real mac.
hope apple will fix it.
Sierra is perfect. High Sierra is perfect except itunes crash randomly
Some People for some reasons have this, even on real Mac's on HS. iTunes crash and they can't even see the Files in Finder. I found this helpfull.

https://support.apple.com/en-us/HT203538
 
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Without the boot flag I don’t have hardware encoding?

With it I do. But iTunes crashes. A lot actually.

Although I’ve found an old duplicate Realtekalc.kext in a 10.12 folder in klover. But I doubt that’s the issue?
Ohh I got it.
Well, iTunes is crashing because the you have enabled Intel Quick Sync (using the bootflat, that is the way to force the offline encoder).

In resume, the culprit for iTunes crashing is the Intel Quick Sync. I suppose that a kind f dsdt or ssdt hack could help, but I don't know how it works.
 
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@deejayts @VioletDragon @cryptobrian If you are using HD4600+ and Safari or iTunes doesn't freezing (with or without a discrete GPU) is maybe because aren't enabled the Hardware Encoder (Intel Quick Sync).

That depends of the Clover's configuration (ig-platform-id).

If the intel's quick sync is disabled, no probably doesn't have any issue.
If don't use any extra kext, the DRM content on iTunes cannot be played.
I dont use Intel Quick Sync. Only onboard iGPU. HD 3000, 4000 & 4600.
Recently got rid of my Nvidia Graphics Card. Not stable.
 
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Some People for some reasons have this, even on real Mac's on HS. iTunes crash and they can't even see the Files in Finder. I found this helpfull.

https://support.apple.com/en-us/HT203538
i tried it. but still no luck
Code:
Process:               iTunes [1169]
Path:                  /Applications/iTunes.app/Contents/MacOS/iTunes
Identifier:            com.apple.iTunes
Version:               12.7 (12.7.0)
Build Info:            iTunes-1200012007000166~2
Code Type:             X86-64 (Native)
Parent Process:        ??? [1]
Responsible:           iTunes [1169]
User ID:               501

Date/Time:             2017-10-14 13:14:44.122 +0900
OS Version:            Mac OS X 10.13.1 (17B35a)
Report Version:        12
Anonymous UUID:        2F43EDFB-4BD4-B2B8-818C-22312AFF03A1

Sleep/Wake UUID:       92D560F1-556D-4C4D-A471-870437A5497E

Time Awake Since Boot: 2900 seconds
Time Since Wake:       730 seconds

System Integrity Protection: disabled

Crashed Thread:        0  iTunes main  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_CRASH (SIGABRT)
Exception Codes:       0x0000000000000000, 0x0000000000000000
Exception Note:        EXC_CORPSE_NOTIFY

Application Specific Information:
abort() called
*** error for object 0x7fe81c888600: incorrect checksum for freed object - object was probably modified after being freed.
 
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Updating to the latest Lilu, Shiki and IntelGraphicsFixup did the trick for me. Been around 4-5 days now.
No problems of any sort now on iTunes.

Thanks everyone !
Are you sure? I just updated them all to 1.2.0, but definitely still seeing iTunes crashing whenever I try to playback DRM content (or even iTunes Radio). With Shiki enabled, it always crashes, but with it disabled, it doesn't.

UPDATE: Repairing permissions as mentioned above seems to have fixed it! DRM video is still a colorful mess, but no crashes!
UPDATE 2: After rebooting again, it's crashing again. Made zero changes, so I have no idea why it's crashing again. Sigh.
 
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