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hagjohn

macrumors 68000
Aug 27, 2006
1,866
3,707
Pennsylvania
My 2018 Mac Mini is stable with Catalina but make sure you check your software first to make sure you do not have any 32-bit software you need to run. You may run into some issues with Music (missing cover art, etc) and TV app.
 
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Vlad Soare

macrumors 6502a
Mar 23, 2019
675
652
Bucharest, Romania
2018 Macbook Pro, no crash whatsoever yet. Not even a hiccup. It works perfectly.
The only flaw, if I can call it that, is that it scrambled my apps in the Launchpad. But that's something that every major macOS version does; it has become a tradition.
 

Ethosik

Contributor
Oct 21, 2009
8,142
7,120
Just crashed on me. Does anyone know how to decipher a crash log to determine what is wrong?

Code:
panic(cpu 8 caller 0xffffff7f9faebad5): userspace watchdog timeout: no successful checkins from com.apple.WindowServer in 140 seconds
service: com.apple.logd, total successful checkins since wake (39370 seconds ago): 3938, last successful checkin: 0 seconds ago
service: com.apple.WindowServer, total successful checkins since wake (39370 seconds ago): 3914, last successful checkin: 140 seconds ago

Backtrace (CPU 8), Frame : Return Address
0xffffffa784ce3820 : 0xffffff801ef3f98b
0xffffffa784ce3870 : 0xffffff801f076c15
0xffffffa784ce38b0 : 0xffffff801f06861e
0xffffffa784ce3900 : 0xffffff801eee6a40
0xffffffa784ce3920 : 0xffffff801ef3f077
0xffffffa784ce3a20 : 0xffffff801ef3f45b
0xffffffa784ce3a70 : 0xffffff801f6d2e05
0xffffffa784ce3ae0 : 0xffffff7f9faebad5
0xffffffa784ce3af0 : 0xffffff7f9faeb7e6
0xffffffa784ce3b10 : 0xffffff801f667adb
0xffffffa784ce3b60 : 0xffffff801f670a73
0xffffffa784ce3ca0 : 0xffffff801f026672
0xffffffa784ce3db0 : 0xffffff801ef457f8
0xffffffa784ce3e10 : 0xffffff801ef1c515
0xffffffa784ce3e70 : 0xffffff801ef32f75
0xffffffa784ce3f00 : 0xffffff801f04eaf5
0xffffffa784ce3fa0 : 0xffffff801eee7226
      Kernel Extensions in backtrace:
         com.apple.driver.watchdog(1.0)[58392D62-D9E8-3022-85C1-B78AC93B9167]@0xffffff7f9faea000->0xffffff7f9faf2fff

BSD process name corresponding to current thread: watchdogd

Mac OS version:
19A583

Kernel version:
Darwin Kernel Version 19.0.0: Wed Sep 25 20:18:50 PDT 2019; root:xnu-6153.11.26~2/RELEASE_X86_64
Kernel UUID: 70EDD61F-86EE-3E1B-873F-98D909B78160
Kernel slide:     0x000000001ec00000
Kernel text base: 0xffffff801ee00000
__HIB  text base: 0xffffff801ed00000
System model name: iMac19,1 (Mac-AA95B1DDAB278B95)
System shutdown begun: NO
Panic diags file available: YES (0x0)

System uptime in nanoseconds: 40055363730697
last loaded kext at 2038602617146: >!AXsanScheme    3 (addr 0xffffff7fa1b87000, size 32768)
last unloaded kext at 2894634020042: >!AXsanScheme    3 (addr 0xffffff7fa1b87000, size 32768)
loaded kexts:
>!AUpstreamUserClient    3.6.8
@kext.AMDFramebuffer    3.0.0
@kext.AMDRadeonX5000    3.0.0
@kext.AMDRadeonServiceManager    3.0.0
>!AGraphicsDevicePolicy    4.1.46
@fileutil    20.036.15
@AGDCPluginDisplayMetrics    4.1.46
>!AHV    1
|IOUserEthernet    1.0.1
|IO!BSerialManager    7.0.0f8
>pmtelemetry    1
>BCMWLANFirmware4355.Hashstore    1
>AGPM    111.1.18
>!APlatformEnabler    2.7.0d0
>X86PlatformShim    1.0.0
@Dont_Steal_Mac_OS_X    7.0.0
>BCMWLANFirmware4377.Hashstore    1
>AudioAUUC    1.70
>!AHDA    283.14
>!A!IKBLGraphics    14.0.0
>!AThunderboltIP    3.1.3
>BCMWLANFirmware4364.Hashstore    1
@kext.AMD10000!C    3.0.0
>!A!ICFLGraphicsFramebuffer    14.0.0
>!A!ISlowAdaptiveClocking    4.0.0
>!AMCCSControl    1.12
|!ABCM5701Ethernet    10.3.5
>!ABCMWLANBusInterfacePCIe    1
>eficheck    1
>!AGFXHDA    100.1.421
>!A!IPCHPMC    2.0.1
>!ASMCLMU    212
@filesystems.autofs    3.0
>!AVirtIO    1.0
@filesystems.hfs.kext    522.0.9
@!AFSCompression.!AFSCompressionTypeDataless    1.0.0d1
@BootCache    40
@!AFSCompression.!AFSCompressionTypeZlib    1.0.0
>!ASDXC    1.7.7
@filesystems.apfs    1412.11.7
>!AAHCIPort    341.0.2
@private.KextAudit    1.0
>!AACPIButtons    6.1
>!ARTC    2.0
>!ASMBIOS    2.1
>!AACPIEC    6.1
>!AAPIC    1.7
$!AImage4    1
@nke.applicationfirewall    302
$TMSafetyNet    8
@!ASystemPolicy    2.0.0
|EndpointSecurity    1
@kext.AMDRadeonX5400HWLibs    1.0
@kext.AMDRadeonX5000HWServices    3.0.0
>!AGraphicsControl    4.1.46
|IOAVB!F    800.17
>!ASSE    1.0
>DspFuncLib    283.14
@kext.OSvKernDSPLib    529
@plugin.IOgPTPPlugin    800.14
@!AGPUWrangler    4.1.46
>!AHDA!C    283.14
|IOHDA!F    283.14
>!UAudio    320.47
>!ASMBusPCI    1.0.14d1
|IOAccelerator!F2    438.1.23
|IOSlowAdaptiveClocking!F    1.0.0
>!ASMBus!C    1.0.18d1
|IOEthernetAVB!C    1.1.0
>!ABCMWLANCore    1.0.0
>mDNSOffloadUserClient    1.0.1b8
>IOImageLoader    1.0.0
|IO80211!FV2    1200.12.2b1
>corecapture    1.0.4
|IOAudio!F    300.2
@vecLib.kext    1.2.0
|IONDRVSupport    558.3
|IO!BHost!CUARTTransport    7.0.0f8
|IO!BHost!CTransport    7.0.0f8
|IO!B!F    7.0.0f8
|IO!BPacketLogger    7.0.0f8
>!A!ILpssUARTv1    3.0.60
>!A!ILpssUARTCommon    3.0.60
>!AOnboardSerial    1.0
|IOSkywalk!F    1
@kext.AMDSupport    3.0.0
@!AGraphicsDeviceControl    4.1.46
|IOGraphics!F    558.3
>X86PlatformPlugin    1.0.0
>IOPlatformPlugin!F    6.0.0d8
@kext.triggers    1.0
>usb.!UHub    1.2
>usb.networking    5.0.0
>usb.!UHostCompositeDevice    1.2
|IOSerial!F    11
|IOSurface    269.6
@filesystems.hfs.encodings.kext    1
>!AThunderboltPCIDownAdapter    2.5.2
>!AThunderboltDPInAdapter    6.2.3
>!AThunderboltDPAdapter!F    6.2.3
>!AHPM    3.4.4
>!A!ILpssI2C!C    3.0.60
>!A!ILpssDmac    3.0.60
>!A!ILpssI2C    3.0.60
>!AThunderboltNHI    5.5.8
|IOThunderbolt!F    7.4.5
|IONVMe!F    2.1.0
|IOAHCI!F    290.0.1
>usb.!UXHCIPCI    1.2
>usb.!UXHCI    1.2
|IOUSB!F    900.4.2
>!AEFINVRAM    2.1
>!AEFIRuntime    2.1
|IOSMBus!F    1.1
|IOHID!F    2.0.0
$quarantine    4
$sandbox    300.0
[USER=381322]@Kext[/USER].!AMatch    1.0.0d1
>DiskImages    493.0.0
>!AFDEKeyStore    28.30
>!AEffaceable!S    1.0
>!AKeyStore    2
>!UTDM    489.11.2
|IOSCSIBlockCommandsDevice    422.0.2
>!ACredentialManager    1.0
>KernelRelayHost    1
>!ASEPManager    1.0.1
>IOSlaveProcessor    1
|IOTimeSync!F    800.14
|IONetworking!F    3.4
|IOUSBMass!SDriver    157.11.2
|IOSCSIArchitectureModel!F    422.0.2
|IO!S!F    2.1
|IOUSBHost!F    1.2
>!UHostMergeProperties    1.2
>usb.!UCommon    1.0
>!ABusPower!C    1.0
|CoreAnalytics!F    1
>!AMobileFileIntegrity    1.0.5
@kext.CoreTrust    1
|IOReport!F    47
>!AACPIPlatform    6.1
>!ASMC    3.1.9
>watchdog    1
|IOPCI!F    2.9
|IOACPI!F    1.4
@kec.pthread    1
@kec.Libm    1
@kec.corecrypto    1.0
 
Last edited by a moderator:

hojoon0724

macrumors regular
Jun 26, 2007
199
37
Los Angeles, CA
Just crashed on me. Does anyone know how to decipher a crash log to determine what is wrong?

Man, I'm having the same problems as you on my 2019 iMac. I called Apple support and they told me to do NVRAM reset, SMC reset, and then a clean install. Same problem persists. I've now totally given up and I'm just gonna wait it out. I already spent like 12 hours trying to find out what's going on.
[automerge]1571095690[/automerge]
2019 iMac. Had kernel panics every day, I did a clean install and I'm having more kernel panics somehow. Apple support asked me to do a bunch of things but so far no solution.
 

Ethosik

Contributor
Oct 21, 2009
8,142
7,120
Man, I'm having the same problems as you on my 2019 iMac. I called Apple support and they told me to do NVRAM reset, SMC reset, and then a clean install. Same problem persists. I've now totally given up and I'm just gonna wait it out. I already spent like 12 hours trying to find out what's going on.
[automerge]1571095690[/automerge]
2019 iMac. Had kernel panics every day, I did a clean install and I'm having more kernel panics somehow. Apple support asked me to do a bunch of things but so far no solution.

Thank you! Sorry, I find it very frustrating but I am glad I am not the only one. I am just about ready to call it quits and go back to Mojave. Nothing worked from Apple Support for me either. Hopefully they are getting a lot of reports on the 2019 iMac systems and have an update planned.
 

retta283

Suspended
Jun 8, 2018
3,180
3,482
I myself have not updated, but a good friend of mine is having a lot of issues with it on his 2013 iMac. He's dealt with a few crashes, a lot of slowness, and a few small issues with third party apps. He also had a strange issue with the music app, he let it play overnight and when he woke up, the app had closed. No error message or anything, it just wasn't there anymore.
 
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