Ryzen 3 3250U (Dali) laptop: Monterey boots, Ventura/Sonoma/Tahoe freeze at "kdp_core zlib memory 0x7000"

Zen

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AMD OS X Member
Oct 26, 2026
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CPU:
ryzen 3 3250U
Hardware: Dell Inspiron 15 3525, Ryzen 3 3250U (2C/4T, Dali), Vega 3 iGPU, 8 GB RAM, KIOXIA KBG50ZNS NVMe, BIOS 1.36.0 (InsydeH2O, no CSM, Above 4G already on, SATA = AHCI, Secure Boot off).

Working: Monterey 12.7.6 runs with OpenCore REL-109 and AMD_Vanilla patches (core count 02, Shaneee PAT patches, DummyPowerManagement, NootedRed, ForgedInvariant, RestrictEvents).

Problem: Ventura 13.7.x (Darwin 22.6.0), Sonoma 14.6 (23.6.0) and Tahoe all stop dead at kdp_core zlib memory 0x7000, with no panic and no further output.
Verified: OpenCore log shows MAT support is 1, all AMD kernel patches applied successfully, kexts injected.

Tried without change: every Booter quirk set, with and without custom ACPI/SSDTs and HPET patches, minimal kexts (Lilu, VirtualSMC, WhateverGreen only), algrey vs Shaneee PAT patches, cpus=1, npci=0x2000, the IOPCIIsHotplugPort patch enabled, SecureBootModel Default/Disabled, and an OpCore Simplify-generated EFI.
Has anyone gotten Ventura or newer to boot on a Dali/Picasso (Ryzen 3 3250U/3200U, Athlon) dual-core laptop? Any patch or quirk I'm missing?
 

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No, I think the question you should be asking is what changed between Monterey and Ventura to make the Dell system Freeze, but allowed Monterey to install OK.

Did you change the SMBIOS from iMacPro1,1 to MacPro7,1 for your Hack to run newer versions of macOS?
Did you add any more memory to the system?
Did you change the macOS drive you are using?

If it was a Bios issue then you would be prevented from booting all of the OS's including Monterey.

Just so you know 'Fast Boot' might have a different name in the Dell bios. I know my Lenovo laptops use 'Quick Boot' in place of 'Fast Boot'.
Thanks, that is a useful way to look at it. I haven't added memory (still 8 GB), and Monterey runs from my internal NVMe while the newer versions boot from a USB. My Ventura-and-newer tests all used the MacBookPro16,2 and 16,3 models. I'll test MacPro7,1 and iMacPro1,1 next and report back.
 
Stick with the MacBookPro SMBIOS, the other two are best used with Desktop systems.
 
Stick with the MacBookPro SMBIOS, the other two are best used with Desktop systems.
Thanks, I’ll stay with the MacBookPro SMBIOS. MacPro7,1 froze at the same line as before (Ventura 13.4, kernel 22.5.0). Monterey still boots fine with the same hardware, so I’m still looking for what changes between the Monterey and Ventura kernels on this Dell.
 
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