Not that it makes much difference to me as my 2013 iMac will not be able to move on to Big Sur. This is consistent with the kernel running out of memory in one of those zones. service: com.apple.WindowServer, total successful checkins since load (3850 seconds ago): 372, last successful checkin: 120 seconds ago, Backtrace (CPU 1), Frame : Return Address System model name: iMacPro1,1 (Mac-7BA5B2D9E42DDD94) I spoke (typed) too soon. https://stackoverflow.com/questions/12488481/getting-ios-system-uptime-that-doesnt-pause-when-asleep. I’ll see if I can find out and a way to re-enable CrashReporter if I inadvertently have disabled it. Are these the same panic log files you are referencing? then it’s time to move from 10.14.6 Mojave to 10.15.6 Catalina. Perhaps the highlight was a panic followed by a flaky-unresponsive restart featuring a red line in Activity Monitor: “Problem Reporter (not responding)”. Tags: Mac. Sorry, your blog cannot share posts by email. @vecLib.kext 1.2.0 This states the build number of the current version of macOS, as shown in the System Version given under Software in System Information. see here. Combine the information you have gleaned from the panic log with any you might gain from the unified log, and your knowledge of the circumstances of the kernel panic, and you should have a shortlist of suspect causes. |IOTimeSync!F 840.3 I’m wondering, though, if it was the same issue, and I just happened to notice it in time, so I was able to restart the Mac before the kernel panic would have happened otherwise. $sandbox 300.0 >!ASDXC 1.7.7 because I can't seem to find any useable step by step guides online) or the EFI drivers and KEXTs are just set up the wrong way. . Among the most crucial of those are: As my FAQ: http://www.macmaps.com/kernelpanic.html explains, faulty memory can be as much to blame as the virtualization program. Fix: Mac SOCKS Proxy Keeps Turning On. @private.KextAudit 1.0 This must have just been a very bizarre coincidence but in any case, trying for a panic hat trick now…, I believe there was still had one USB disk attached so I left it connected but then also unchecked the “Put hard disks to sleep when possible” in the hope this might solve the problem. This is the name of the process running its code at the time, and can be another clue as to where the problem lies. As a negative data point, I have Parallels Desktop 15.1.4 running on macOS 10.15.6 hosting two or three macOS 10.14.6 VMs 24/7, and have seen no panics. So hopefully this can be dissected by them and release a fix. Howard. Then it gives the likely immediate cause of the panic. >!AGraphicsControl 5.2.6 My research let me to the VM connection, but I have experienced this even if I’ve not used Fusion of VBox since the reboot. 03:21:12.297206+0100 kernel zone_map_exhaustion: Nothing to do for the largest zone [kalloc.48]. Thanks for your really useful article. Until now that meant macOS 10.14 (Mojave). 03:21:12.314741+0100 osanalyticshelper extending prolongation transaction timer Post was not sent - check your email addresses! I’ve dissable some extentions and today turned of screen time, and gain a little bit of power, but not as before. !UXHCI 1.2 03:21:12.295742+0100 kernel zone_map_exhaustion: Zone map size 12240670720, capacity 12884901888 [jetsam limit 95%] In this case, it’s a specific diagnosis, which is invaluable, but in many cases it’s an ‘exception’ which may well mean nothing to you. kalloc.64 4241453056 5000896 |IO!BPacketLogger 7.0.6f7 Same fail. Thanks for sharing all those hours of research. Are monitoring kernel zone memory using zprint? Dont know what changed, however, I am suspecting the new data volume format in Catalina maybe. You may find this article helpful in understanding your panic logs. Just this morning, after a couple days’ uptime, Activity Monitor showed 26GB in use, with about 13GB “wired”. In the night after my last reply, I had an ISP failure cut my Internet access, I had a kernel panic (Window Server timeout), and my internal router died and had to be replaced (so when the ISP service came back on, I was still offline). I've tried other USB-stick, Working EFI from OC (0.6.2) Catalina Installer to Big sur installer. 03:21:12.036130+0100 kernel zone_map_exhaustion: Zone map size 12240662528, capacity 12884901888 [jetsam limit 95%] |Broadcom!BHost!CUSBTransport 7.0.6f7 There’s something clearly not right with that Mac. You’re unlikely to find the panic itself in the unified log, which often ceases some time before that occurs, and doesn’t resume until after the reboot. My MacBook Pro (9,1 mid 2012) has also started kernel panicking, but for a different (and consistent) reason: “userspace watchdog timeout: no successful checkin from com.apple.WindowServer in 120 seconds” I, too, leave it on all the time, and find the system restarted in the morning with this kernel panic report. They’re another possible explanation for its instability. I noted that wired memory was higher than usual and there was 4GB of compressed memory (which is unusual as I have 64GB on my machine). @!AGPUWrangler 5.2.6 I'm struggling to decipher the kernel panic logs (found in the root of the zip). I've swapped failing OC EFI-folder and put onto Catalina Installer. >!AEFINVRAM 2.1 So for me the ‘leaks’ go back to 10.15.4 (but starting well after the 10.15.4 upgrade). I didn’t get a log to capture or to send to Apple. I was getting the watchdog timeout errors every night between midnight and 4:00 AM after installing 10.15.6. 0xffffff911ac0be70 : 0xffffff8009d0db22 If you have repeated panics, keep a note of these, as they may cast suspicion on a core with a hardware problem. Not sure if it matters, but this is the last logged message in system.log before the system restarted… @kext. “build” : “Mac OS X 10.15.6 (19G73)”, Same here with VirtualBox. >!AEFIRuntime 2.1 >!AVirtIO 1.0 Have you tried disabling your CCC tasks and seeing if this causes your panics to go away? |IO!B!F 7.0.6f7 Hey Howard – this is the top-line message in the report: “panic(cpu 0 caller 0xffffff8009213467): “IOSCSIPeripheralDeviceType00::setPowerState(0xffffff8031444cc0 : 0xffffff7f894f4234, 3 -> 2) timed out after 100444 ms”@/AppleInternal/BuildRoot/Library/Caches/com.apple.xbs/Sources/xnu/xnu-6153.141.10/iokit/Kernel/IOServicePM.cpp:5296 I run for checks of disk and hardware or process and there are nothing, but the speed is frustating. System shutdown begun: NO >!UHostMergeProperties 1.2 Here is the report that gets sent to Apple { It’s getting very annoying. You might like to look at this article, which explains how to use the log and zprint to investigate this. Fix 3: Bypassing startup login items. This would be also related to the memory leak. Very frustrating because it’s a brand new Mac Pro I bought 3 weeks ago. I’ve downgraded to 10.15.5, fingers crossed. |IONetworking!F 3.4 If this is a problem with Apple’s system kexts, they’re only going to be updated by a macOS update, such as a Supplemental Update to 10.15.6. 03:21:12.315051+0100 OSAnalytics Tagging submission policy as alternate for logtype:298 Running 10.15.7 and still seeing random kernel panics on a Mac mini late-2012 machine. Catalina 10.15.6 is prone to kernel panics from a memory leak There have been recent reports that the macOS Catalina 10.15.6 update can result in kernel panics. >!AMikeyDriver 283.15 If you can’t find one, it might still be held in NVRAM, in which case you can view it using the Terminal command nvram -p or nvram -xp This gives the version of the current kernel, which you can also find in Software in System Information. PermissionScanner version 1.8 is now a Universal App, https://developer.apple.com/videos/play/wwdc2018/414/, https://stackoverflow.com/questions/12488481/getting-ios-system-uptime-that-doesnt-pause-when-asleep, Updates: Sierra, High Sierra, Mojave, Catalina, Big Sur, SilentKnight, silnite, LockRattler, SystHist & Scrub, xattred, Metamer, Sandstrip & xattr tools, T2M2, Ulbow, Consolation and log utilities, Taccy, Signet, Precize, Alifix, UTIutility, Sparsity, alisma, Text Utilities: Nalaprop, Dystextia and others, Spundle, Cormorant, Stibium, Dintch, Fintch and cintch. Have you applied the Supplemental Update? |IOSkywalk!F 1 |IO!BHost!CTransport 7.0.6f7 Note how the Free Sizes of kalloc.32 and kalloc.48 are very small, and that of kalloc.64 is fairly low too. You can read more about the issue from Howard Oakley and a VMware engineer. >!AFDEKeyStore 28.30 Thank you. >usb. >!A!IFramebufferAzul 14.0.7 This turns out to be a bit more than 344 hours, or over 14 days. panic(cpu 1 caller 0xffffff7f8af6fad5): userspace watchdog timeout: no successful checkins from com.apple.WindowServer in 120 seconds Kernel Panic, though sounding scary, is simply an occurrence when your I would think, during Catalina updates, the EFI has been updated, which does not downgrade when falling back to Mojave, hence the error persists. Sophos and Dropbox are pretty good at self-updating, but I am not sure about Soundflower. I’ve resorted to rebooting them all, even the servers, daily and also after every virtual machine usage session. Yes, I think that’s correct – two different ways of working out uptime. I have no idea whether or not this app supports Big Sur. The MacMini has a Intel HD graphics chipset, so no standalone GPU that would require firmware. That gave the reason for the panic as: Howard. I run VMware and have run into this too, seems to affect VirtualBox too. The solution to that is to log out and log back in, which restarts WindowServer. That’s a WindowServer crash/freeze in all likelihood. When I restart it iStat Menus shows 100 deg C, the last previous value before it polls the CPU temp sensor. If so, what is the cause suggested in the start of the panic log? I don’t use VM programs, just Xcode and before upgrade to Catalina 10.15.6, mi Mac works fast considering my hardware. 0xffffff911ac0b970 : 0xffffff800a4c1b28 com.sophos.nke.swi 9.9.4 >!A!IHD5000Graphics 14.0.7 last loaded kext at 3099935017708: com.getdropbox.dropbox.kext 1.13.0 (addr 0xffffff7f8defe000, size 49152) I have MBPro Late 2013 i5, 8Gb and 256gb flash. – RichardLiu Nov 29 '20 at 0:44 It’s kind of interesting to see the OS relentlessly killing processes and refuse to start new ones as the machine slowly grinds to a halt. Obviously memory pressure is quiet high at times, but the machine does not seem crash during peak memory usage, but rather in idle times. |IOHID!F 2.0.0 My MacMini ran for years smooth, same devices connected, same configuration – until the day I updated to the first version of Catalina, then kept updating every increment until about 15.5, where I gave up. Although going like the wind seems a nice figure of speech, when you suffer from wind it isn’t so pleasant, and worse. After update, wired memory is leaked slower and kernel panics occur at about 33% wired memory. dependency: com.apple.driver.AppleMobileFileIntegrity(1.0.5)[CA079DB9-6FDB-3AB5-A5E5-506459E3F12E]@0xffffff7f8282e000 The majority of apps I use are bread-and-butter like MarsEdit, BBEdit, Safari, Postbox and Tweetbot. I got the machine secondhand, running Sierra, then upgraded stepwise to Mojave (all fine and solid) then to Catalina 10.15.3 (OK, IIRC), then up stepwise to 10.15.6 (horrible). A few minutes later, our ISP factory-reset our router, and RJ45 connections were working fine, but no more WiFi. I wish you success, I have had a few Kernel Panics after installing 10.15.6. Zone Name Cur Size Free Size 0xffffff911ac0b9f0 : 0xffffff7f8af6f7fa At some time after that, the kernel panicked and the iMac shut down rather than restarted. Howard. Howard. Logs are full of Jetsam events. Note: This is the current path for Kernel Panic logs for macOS High Sierra 10.13.6. >!AAHCIPort 341.140.1 My experience with my iMac Pro is essentially identical to yours, down to what you showed in the panic report. I feel like I have no other thing to do than reinstalling MacOS but I slightly feel like this is a Mac OS Catalina issue. !AFSCompressionTypeDataless 1.0.0d1 |IOUSBHost!F 1.2 This tool links the kernel at / The Music app crashed 3 times and sent reports to Apple. Press Esc to cancel. Same here, new Mac Mini is the most unreliable Mac I’ve owned in 20 years. Understanding & Troubleshooting Kernel Panics in macOS, and How to fix kernel panics after installing OS X updates | MacIssues. Kernel panics on waking from sleep are among the most common; on going to sleep less common but still popular. Are you sure that all those third-party KEXTs are fully up to date and known to be compatible? (I have an article on how to read these which should appear here tomorrow.) I’m having the same problem when the systems goes to sleep mode automatically. 0xffffff911ac0be10 : 0xffffff8009cf6d15 Do you see a Panic Log? However, I am not seeing this on BS (Lord, did Apple think of the implications of a name with those initials? https://communities.vmware.com/message/2973899#2973899, Xsan Upgrade and Big Sur Prep. Might the kernel panic ignore the time that the laptop is asleep? loaded kexts: I’m sorry to hear that you’ve had all these problems. I have found that AirportBrcmFixup causes a kernel panic on boot. Also kext with IOKit.framework does not load on MAC OS 10.14.x with error Hello, I am trying to install Catalina with an EFI that woks with Mojave and I keep getting this kernel panic, is there anyway to fix this? I’ll know more in a few days. This gives the time since the last startup, but in nanoseconds. System model name: iMac14,1 (Mac-031B6874CF7F642A) I wish you success, Panic diags file available: YES (0x0), System uptime in nanoseconds: 4156532893663 Mine has been better (just the 18 Aug crash whose log I posted) since the August supplementary update. >!APlatformEnabler 2.7.0d0 This was reported on AppleInsider a week ago, from the article VMware is able to reproduce the issue and has reported it to Apple. @kec.pthread 1 How to debug these kernel panics on MAC OS Catalina. … https://feedbackassistant.apple.com. |IOAVB!F 850.1 Specs: CPU: Ryzen 5 2600x GPU:RX580 MOBO:Gigabyte B450M DS3H RAM:16GB 3200MHz Howard. -Screen Savers where the first things ruled out / disabled [no effect] This appears to be common among those who run some virtualisation products such as VMWare Fusion and VirtualBox, but I believe this may be a more general problem which could affect any Mac which is left running much of the time. https://forums.macrumors.com/threads/apple-releases-macos-catalina-10-15-6-supplemental-update-with-virtualization-bug-fix.2249747/, Wonder if it will help with the watchdog timeout too? Howard. |SCSITaskUserClient 422.120.3 As far as the user is concerned, all exceptions indicate a bug or problem in the code that’s being run. |IOAHCIBlock!S 316.100.5 The reports were sent to Apple with my comments. 03:21:12.314761+0100 osanalyticshelper Attempting to write jetsam report ^^^ Last time, u/TheRacerMaster was able to use Hopper disassembler to provide a binpatch to skip over the panicking code, and it was enough to load AppleIntelBDWGraphics. If so, I’d try to remove them to see if that changes anything. I think over that period of more than 18 months, it has had fewer than five panics in total, and those have mainly been attributable to third-party software which was rapidly removed. I do note that the kexts (Sophos and others) are flagged as deprecated and will not be compatible with Big Sur. Edited July 31, 2020 by csv747 More info. Not that I know of. But, as well as the kalloc.32 leak, my iMac is seeing a larger ‘leak’ in kalloc.128 and yours is kalloc.64. You should not do any backup software on automatic mode, unless you are not using any other open programs in the background, including other backup software. As the Catalina iterations role-in, I haven’t seen any additional EFI updates – which would explain why not much is being fixed. Although I do have Parallels installed, it’s many months since I last used it. That wasn’t a kernel panic of course, but I’m not sure went wrong there. This article steps through one example panic log, and tries to explain its most useful information. I get the problem even pre 15.6. with only Apple / stock software, where the same machine before was running 24/7 for years without issues (Mojave). Which one is undefined. Howard. >!AHIDKeyboard 209 But yesterday I experienced this Kernel issue on the same task which is performed while loading the neighborhood. It’s a very interesting problem I think since some don’t seem to have it (no trouble on my work MBP 13″ from 2018 for example), but a fair amount of people across various models of Apple computers do. My iMac Pro had clearly suffered a kernel panic as a result of a memory leak, which ran zone kalloc.48 out of memory, which it couldn’t recover. You mentioned Chronosync, Carbon Copy Cloner, and Time Machine. The conclusion is that this is due to a memory leak in one of the kernel extensions which was updated in the 10.15.6 update, probably Sandbox.kext (com.apple.security.sandbox). >!ABusPower!C 1.0 @kext.OSvKernDSPLib 529 19G73 |IOUSBMass!SClass 4.0.4 You might like to try downloading and installing the 10.15.6 Combo update, then applying the 10.15.6 Supplemental Update. com.getdropbox.dropbox.kext 1.13.0 BSD process name corresponding to current thread: WindowServer |IO!BHost!CUSBTransport 7.0.6f7 I'm wondering if there's a problem in the Config.plist, (possible FakeCPU issue? (I presume by “crashed” you mean that it panicked?) 03:45:36.684867+0100 kernel zone_map_exhaustion: Zone map size 12884058112, capacity 12884901888 [jetsam limit 95%] service: com.apple.logd, total successful checkins since load (4030 seconds ago): 403, last successful checkin: 0 seconds ago Thank you for this article. How to mine Crypto Currency with your Mac’s CPU. Howard. Facing kernel panic on accessing "Offline" attribute of SMB protocol in our custom kext. When performing various routine tasks such as checking UPS status, at 0321 this morning it reported its first serious memory problem: >!ASEPManager 1.0.1 Tried Video patch for Broadwell given here but it did't load you can check in config.plist I don’t let the system sleep, and it normally runs an hourly small Time Machine backup, small hourly ChronoSync backups, plus daily Carbon Copy Cloner backups. I got the panic logs: Log … I also had this kernel panic on two identical devices running 10.15.5 and it drove me mad. @kec.corecrypto 1.0 @kec.Libm 1. Ruling most likely a firmware / driver issue out. This happens to my late 2013 MBP every 2-3 days if I don’t restart it. 03:45:36.684302+0100 kernel CoreAnalyticsFamily virtual bool CoreAnalyticsUserClient::initWithTask(task_t, void *, UInt32, OSDictionary *)::165:success @filesystems.autofs 3.0 At least I’ve been seeing it on my (un-supported I know) Mac Pro (Mid 2010) since I put Catalina on it at version 10.15.2 and it happens after waking from sleep from time to time, but I’ve also seen it panic during boot. 03:21:12.314565+0100 kernel 1238236.779 memorystatus: killing_highwater_process pid 99257 [appstoreagent] (highwater 3) 52680KB - memorystatus_available_pages: 4221724 The debugging kernel extension steps are not supported for Catalina because of Read-only file system. My Mac Mini has been crashing almost every night since updating. ), and I can’t recall when it last had a kernel panic. 2. Today I was running Activity Monitor and it stopped responding requiring me to force quit it. Waking up memorystatus thread. It wouldn’t surprise me if there are old kexts hanging around in there, given that the machine was purchased second-hand (running 10.12), cloned from my predecessor machine (taking it down to 10.11.6) and then stepwise updated to 10.15.6. 03:45:36.683855+0100 kernel 1239701.228 memorystatus: killing_top_process pid 58870 [coreauthd] (zone-map-exhaustion 1) 724KB - memorystatus_available_pages: 4451852 @!AFSCompression. Aug 21 04:03:42 Keiths-iMac-Pro CallHistorySyncHelper[40833]: objc[40833]: Class AWDCallHistoryNilUuid is implemented in both /System/Library/PrivateFrameworks/CallHistory.framework/Versions/A/CallHistory and /System/Library/PrivateFrameworks/CallHistory.framework/Support/CallHistorySyncHelper. >!AMobileFileIntegrity 1.0.5 more stack exchange communities company blog ... For 9 days, there was no kernel panic. Howard. I had a crash yesterday that has been happening randomly and that I have been watching for. These are less useful, and the list long. The problem still persists on my iMac Pro 64 GB / 10 core Radeon Pro Vega 64. Also how do I get the kernel panic uptime? I look forward to that, and as always extend my thanks for your informative and enjoyable work. Shortly afterwards, macOS started killing processes to try to recover memory: There, I saw that only System Preferences was still running (instead of the 15 or so apps that should have been listed there), and I suspect it was only running because I had clicked on a button in that iCloud error dialog a few moments ago. Many of those using VMWare Fusion 11.5.5 or Virtualbox 6.0.24 who leave their Windows VMs running for long periods have suffered kernel panics, which are discussed in depth here. Somehow my Hackintosh throws a kernel panic while booting Big Sur USB Installer. >!A!ISlowAdaptiveClocking 4.0.0 But my system dies in a manner very similar to Howard’s iMac. It also does a check of your startup drive's directory structure. Sorry about the 3rd party KEXTs, but it really is the best way ahead if they’re potentially causing panics. Thank you. Because there’s the suspicion of memory leakage, the panic log also gives a detail backtrace of where it suspects that leakage is occurring, and details of the kexts involved in that. >!AGraphicsDevicePolicy 5.2.6 Has anyone else experienced kernel panics out of nowhere after updating Alfred, in Mac 10.15.1 (19B88)? I’m sorry to hear that. …. It must be safe now, right? >!ATopCaseHIDEventDriver 3430.1 As I do CCC clones and other misc cron jobs during the wee hours, I’ve been looking into hardware issues like flakey disks. com.sophos.kext.oas 9.9.4 |IOUSB!F 900.4.2 The kernel panic log is at the bottom of this post. The computer hasn’t crashed since then, but I also haven’t used it that much since I’ve been away. This, with very little running. It looks like the latest Soundflower is version 2.0b2 dating from 2016. Boot args: chunklist-security-epoch=0 -chunklist-no-rev2-dev After an hour or so, the internet crashed again, and his PC hard-froze up again, and dished out another kernel panic … That’s why the panic log info is so useful. 0xffffff911ac0ba60 : 0xffffff7f8af6ecfe OK, it didn’t help to do the kernel cache cleaning. >eficheck 1 Zone Name Cur Size Free Size Somehow I suspect that the change had to do to with 32 vs. 64bit code and leads to a memory leak or overflow…. I usually get a small window that reports the restart because of a problem that displays two buttons, Ignore and Report–I usually click on the Report button. >IOSlaveProcessor 1 NOTE: I am still on Catalina. “macOSPanicString” : “panic(cpu 12 caller 0xffffff801c5729eb): \”zalloc: zone map exhausted while allocating from zone pagetable user anchors, likely due to memory leak in zone kalloc.128 (24481763328 total bytes, 191263765 elements allocated)\”@\/AppleInternal\/BuildRoot\/Library\/Caches\/com.apple.xbs\/Sources\/xnu\/xnu-6153.141.1\/osfmk\/kern\/zalloc.c:3627\nBacktrace (CPU 12), …. Adding a data point to this, I ran VMware for about an hour, launching 3 virtual machines, quitting VMware when I was done.
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