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Resolving Kernel Panic in macOS Sonoma on Dell Latitude 5400 Hackintosh

The kernel panic logs you've provided point to a double free error within a zone allocator—a part of the macOS kernel responsible for memory management—related to the AirportItlwm kext. This kext is for the Intel wireless network card support on a Hackintosh.

Here's a detailed breakdown and steps to address the issue:

Kernel Panic Analysis:

  • Root Cause: The panic indicates a problem in memory management within the AirportItlwm kext, specifically a double free error, which means that the system attempted to free the same block of memory twice.
  • Affected Process: The kernel task, which is a central part of the system, meaning this is a system-wide issue rather than an issue with a user-space application.
  • Potential Triggers: This could be triggered by various actions, but it's likely related to network activity given the nature of the kext.

Steps to Resolve the Kernel Panic:

  1. Update Kexts:

    • Ensure that you have the latest version of AirportItlwm for macOS Sonoma. The alpha version you're using may have bugs that are fixed in a stable release.

  2. Check Compatibility:

    • Confirm that the kext version you're using is compatible with macOS Sonoma and your specific hardware version.

  3. Examine Configurations:

    • Review your OpenCore config.plist file for any incorrect settings that might be related to network devices.

  4. Remove or Replace Kext:

    • If updating does not resolve the issue, try removing AirportItlwm temporarily to confirm that it is the cause of the panic.

  5. Seek Community Assistance:

    • Post the detailed kernel panic logs on Hackintosh forums like tonymacx86, Reddit’s r/hackintosh, or InsanelyMac for community insights.

  6. Boot in Safe Mode:

    • Try booting in Safe Mode (boot-arg -x) to see if the issue persists, which can help isolate the issue to a kext or other system extension.

  7. Use Alternative Solutions:

    • If the issue with AirportItlwm cannot be resolved, consider using a USB WiFi dongle known to be compatible with macOS as a workaround.

  8. Backup and Reinstall:

    • As a last resort, backup your data and consider reinstalling macOS Sonoma. Then, reinstall kexts one by one, testing stability along the way.

Reminder:

  • Kernel panics related to system kexts can be complex and may not have a straightforward fix.
  • Always backup your system before making any changes that could affect booting or system stability.
  • When dealing with alpha or beta versions of software, be prepared for instability and have alternative solutions ready.

Addressing kernel panics requires a systematic approach to identify the exact cause and implement a solution. It is often a process of trial and error, involving updates, configuration checks, and sometimes seeking support from the wider Hackintosh community.

Hey All,

First post on this subreddit, do let me know if I got something wrong / need additonal info! :)

I recently followed Dortania's OpenCore guide and got around to setting up my Hackintosh. Specs:
Dell Latitude 5400 (Intel Core i5 8365u | 16GB RAM | 256 GB SSD | Intel HD 620 iGPU)

Additional Info: [Intel 9560 WiFi+BT card with latest AirportItlwm kext file (v2.3.0 Alpha - Only version with support for Sonoma)] [identifier - MacBookPro 15,4]

Everything works alright, DRM work arounds like using chrome. However, after about a couple of days worth of usage, I had a random restart when system was locked and encountered a kernel panic.

Kernel Panic Logs: [Would appreciate any pointers on this!]

panic(cpu 1 caller 0xffffff801a3de60f): zfree_drop: double free of 0xffffff9089ec67c0 to zone kalloc.type.var3.32 @zalloc.c:814 Panicked task 0xffffff9a22b469d8: 226 threads: pid 0: kernel_task Backtrace (CPU 1), panicked thread: 0xffffff9a22789598, Frame : Return Address 0xfffffffdff9f76b0 : 0xffffff8019c36c41 mach_kernel : _handle_debugger_trap + 0x4b1 0xfffffffdff9f7700 : 0xffffff8019d95310 mach_kernel : _kdp_i386_trap + 0x110 0xfffffffdff9f7740 : 0xffffff8019d84a5c mach_kernel : _kernel_trap + 0x55c 0xfffffffdff9f77c0 : 0xffffff8019bd3971 mach_kernel : _return_from_trap + 0xc1 0xfffffffdff9f77e0 : 0xffffff8019c36f2d mach_kernel : _DebuggerTrapWithState + 0x5d 0xfffffffdff9f78d0 : 0xffffff8019c365d3 mach_kernel : _panic_trap_to_debugger + 0x1e3 0xfffffffdff9f7930 : 0xffffff801a3d8bcb mach_kernel : _panic + 0x84 0xfffffffdff9f7a20 : 0xffffff801a3de60f mach_kernel : ___smr_stail_invalid + 0x260d 0xfffffffdff9f7a50 : 0xffffff8019ca7e3d mach_kernel : _workload_config_available + 0x454d 0xfffffffdff9f7a80 : 0xffffff801a2ca6c0 mach_kernel : _IOFree + 0x20 0xfffffffdff9f7aa0 : 0xffffff801da23b04 com.zxystd.AirportItlwm : __ZL4freePv + 0x54 0xfffffffdff9f7ad0 : 0xffffff801da2454e com.zxystd.AirportItlwm : __ZN6ItlIwm12iwm_send_cmdEP9iwm_softcP12iwm_host_cmd + 0x7fe 0xfffffffdff9f7bb0 : 0xffffff801da252b4 com.zxystd.AirportItlwm : __ZN6ItlIwm19iwm_send_cmd_statusEP9iwm_softcP12iwm_host_cmdPj + 0x64 0xfffffffdff9f7c10 : 0xffffff801da25165 com.zxystd.AirportItlwm : __ZN6ItlIwm23iwm_send_cmd_pdu_statusEP9iwm_softcjtPKvPj + 0x75 0xfffffffdff9f7c90 : 0xffffff801da26af7 com.zxystd.AirportItlwm : __ZN6ItlIwm14iwm_sta_rx_aggEP9iwm_softcP14ieee80211_nodehttii + 0x207 0xfffffffdff9f7d60 : 0xffffff801da2cbc5 com.zxystd.AirportItlwm : __ZN6ItlIwm12iwm_run_stopEP9iwm_softc + 0xd5 0xfffffffdff9f7de0 : 0xffffff801da2eb9e com.zxystd.AirportItlwm : __ZN6ItlIwm17iwm_newstate_taskEPv + 0x17e 0xfffffffdff9f7e40 : 0xffffff801d984627 com.zxystd.AirportItlwm : __Z12taskq_threadPv + 0x97 0xfffffffdff9f7fa0 : 0xffffff8019bd319e mach_kernel : _call_continuation + 0x2e Kernel Extensions in backtrace: com.zxystd.AirportItlwm(2.3)[599B9CCB-396A-3C22-8216-CFC86CF3F344]@0xffffff801d978000->0xffffff801e916fff dependency: com.apple.driver.corecapture(1.0.4)[0DED4F91-AC29-379C-9A48-83E6009E40F0]@0xffffff801c79c000->0xffffff801c7befff dependency: com.apple.iokit.IO80211Family(1200.13.0)[2CFC9BD2-1759-364B-B559-03ABC702E95A]@0xffffff801b870000->0xffffff801baaefff dependency: com.apple.iokit.IONetworkingFamily(3.4)[5D912FD8-C4CD-3CF6-B214-DF5BF7AB4FA0]@0xffffff801bcf3000->0xffffff801bd0afff dependency: com.apple.iokit.IOPCIFamily(2.9)[D4C79EB9-840C-3311-9033-0F582EA7E4BD]@0xffffff801bf54000->0xffffff801bf85fff dependency: com.apple.iokit.IOSkywalkFamily(1.0)[1444E3C6-0B2D-300A-BE26-2D1AFDE9E65F]@0xffffff801c041000->0xffffff801c06ffff Process name corresponding to current thread (0xffffff9a22789598): kernel_task Boot args: keepsyms=1 -lilubetaall -lilubeta -alcbeta -igfxblt Mac OS version: 23C71 Kernel version: Darwin Kernel Version 23.2.0: Wed Nov 15 21:54:10 PST 2023; root:xnu-10002.61.3~2/RELEASE_X86_64 Kernel UUID: F73CFE5A-7EF6-3C21-AFA7-742645B733CC roots installed: 0 KernelCache slide: 0x0000000019800000 KernelCache base: 0xffffff8019a00000 Kernel slide: 0x00000000198e0000 Kernel text base: 0xffffff8019ae0000 __HIB text base: 0xffffff8019900000 System model name: MacBookPro15,4 (Mac-53FDB3D8DB8CA971) System shutdown begun: NO Panic diags file available: YES (0x0) Hibernation exit count: 0 System uptime in nanoseconds: 4586496389598 Last Sleep: absolute base_tsc base_nano Uptime : 0x0000042be07d03e3 Sleep : 0x000004053ba9979c 0x00000000a9712736 0x000003be9ddc574a Wake : 0x0000040544e37474 0x00000000a1820765 0x000004053e11c209 Compressor Info: 0% of compressed pages limit (OK) and 0% of segments limit (OK) with 0 swapfiles and OK swap space Zone info: Zone map: 0xffffff8088b9d000 - 0xffffffa088b9d000 . PGZ : 0xffffff8088b9d000 - 0xffffff808ab9e000 . VM : 0xffffff808ab9e000 - 0xffffff855739d000 . RO : 0xffffff855739d000 - 0xffffff86f0b9d000 . GEN0 : 0xffffff86f0b9d000 - 0xffffff8bbd39d000 . GEN1 : 0xffffff8bbd39d000 - 0xffffff9089b9d000 . GEN2 : 0xffffff9089b9d000 - 0xffffff955639d000 . GEN3 : 0xffffff955639d000 - 0xffffff9a22b9d000 . DATA : 0xffffff9a22b9d000 - 0xffffffa088b9d000 Metadata: 0xffffffaa9936d000 - 0xffffffaab936d000 Bitmaps : 0xffffffaab936d000 - 0xffffffaabc36d000 Extra : 0 - 0

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