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OSX problem with external boot SSD

H

hanser

macrumors 6502
Original poster
Aug 29, 2013
373
325
I am running a late 2012 basic Mac mini with 16 GB RAM upgrade and changed a year ago to external boot from a Crucial SSD via USB (OS X 10.11.6). The first weeks everything was fine, then every few weeks the machine suddenly froze: I could not change users or apps, then it stopped reacting completely, showing only the color wheel. After manual restart it started up without problem or error message. My conclusion was that there where tiny interruptions between the external SSD and the internal processor stopping the OS in its tracks.

Now the error occurs more and more often, sometimes every few days. Perhaps the reason is a mechanical defect on the USB outputs leading to short interruptions of current when moved? What do you think? Any other ideas?

When it works, it works great, but more and more the freezes annoy. I thought about opening the machine up and looking for defects or even installing the SSD in it, but I am not very handy with those things and fear to destroy something. Of course I could try another SSD and/or enclosure or another mac to combine, but I would have to buy them.
 
Last edited:
Perhaps this is not the correct subforum and I should try in the El Capitan forum?
 
Things to try:
- change ports
- change connecting cable
- change enclosure that the SSD is in if possible (or change USB3/SATA dock or adapter).

Is the RAM factory-original, or did you put it in?
If you added RAM, go back to the factory-original configuration if possible.

Does it have an internal drive?
If so, try booting from the internal drive and run that way 2 days.
Do the problems disappear?

One last thought:
Where -is- the SSD?
Is it located very close to (or on top of) the Mini?
If so, try moving it a bit further away from the Mini.
Could it be electrical interference from the USB3 cabling?
 
Last edited:
Fishrrman said:
Things to try:
- change ports
- change connecting cable
- change enclosure that the SSD is in if possible (or change USB3/SATA dock or adapter).

Is the RAM factory-original, or did you put it in?
If you added RAM, go back to the factory-original configuration if possible.

Does it have an internal drive?
If so, try booting from the internal drive and run that way 2 days.
Do the problems disappear?

One last thought:
Where -is- the SSD?
Is it located very close to (or on top of) the Mini?
If so, try moving it a bit further away from the Mini.
Could it be electrical interference from the USB3 cabling?
Click to expand...


- Thank you for your reply. I already tried the 3 changes, therefore I suspect a hardware defect inside the Mac Mini.

- The RAM I put in when I bought it in 2012; the defect only started a few weeks after changing HDD to external SSD. Unfortunately I do not have the original RAM any more, because my son used them for his laptop.

- I have still the Mavericks configuration on the internal HDD in the state when I added the SSD and will try this when it is compatible with my work.

- The SSD lies in its enclosure on top of the Mac. So I will try this first to move it away.

Thanks again!


.
 
hanser said:
Perhaps this is not the correct subforum and I should try in the El Capitan forum?
Click to expand...

You'd probably have less luck getting responses in the El Capitan forum than this one.

So you had Mavericks when you had the HDD but switched to El Capitan when using the SSD? And you didn't have any problems before El Capitan/SSD? If that is the case, I think it's more likely that there's a software issue than a hardware issue internal to the Mini which just coincidentally started when you made the switch. If you had Mavericks initially on the SSD and had problems but then subsequently moved to El Capitan and still had issues, then it would make it less likely to be a software issue.

If the problems started with El Capitan, it's likely to be an 3rd-party software issue specific to your computer rather than something that is an El Capitan issue. I base this on my experience with my 2012 Mini (still has El Capitan) and the lack of similar issues reported both on this forum and the El Capitan forum (although I stopped visiting the El Capitan forum on a regular basis about 9 months ago).

If the problems started with El Capitan, you can try running in safe mode. This will disable 3rd-party extensions, add-in's, daemons, etc.
https://support.apple.com/en-us/HT201262

If it's at all practical, if you can clone off what is on your SSD to an external HDD and then clone your Mavericks internal HDD to the SSD and try that, that should produce good information, particularly if you try running Mavericks off of the internal HDD as you mentioned you would do. If you have the same problems running Mavericks on the SSD but not on the internal HDD, then it's obviously more likely to be a hardware issue, although I would specifically like to know what brand/model enclosures you've used before considering an internal hardware issue to be the problem.
 
Thank you for your input. The problems started about 8 weeks after switching from Mavericks/HDD to Capitan/SDD, so I thought El Capitan would work fine. I will try safe mode as you suggested.

The exact brands I use are:

SSD: https://smile.amazon.de/gp/product/B01IAGSDUE/ref=oh_aui_search_detailpage?ie=UTF8&psc=1

and the following 2 enclosures (problem happened with both):

https://smile.amazon.de/gp/product/B00FCLG65U/ref=oh_aui_search_detailpage?ie=UTF8&psc=1

https://smile.amazon.de/gp/product/B01D9KX7K2/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
 
hanser said:
Thank you for your input. The problems started about 8 weeks after switching from Mavericks/HDD to Capitan/SDD, so I thought El Capitan would work fine. I will try safe mode as you suggested.

The exact brands I use are:

SSD: https://smile.amazon.de/gp/product/B01IAGSDUE/ref=oh_aui_search_detailpage?ie=UTF8&psc=1

and the following 2 enclosures (problem happened with both):

https://smile.amazon.de/gp/product/B00FCLG65U/ref=oh_aui_search_detailpage?ie=UTF8&psc=1

https://smile.amazon.de/gp/product/B01D9KX7K2/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
Click to expand...

I have an Inateck enclosure that looks the same as the one in the link but has a different model number. I also have a couple of newer Inatecks that don't have switches. All have worked without problems, but I don't run them as system drives (one does have a SSD inside). As for the Scalar enclosure, people that have problems have immediate and consistent failures, not periodic failures. If your problem occurs in the same way with either enclosures, the enclosure is probably not the issue.

Looking at the issues people report with the Crucial MX300 and on the web, if the problem is with the MX300, it doesn't appear to be common.
 
Fishrrman said:
OP:

Try something like this instead:
https://www.amazon.com/Sabrent-2-5-...ie=UTF8&link_code=hom&tag=macintouchforums-20
Click to expand...


you mean as alternative to the enclosure? I already tried 2 different enclosures, same issue.
[doublepost=1515659607][/doublepost]
treekram said:
If the problems started with El Capitan, it's likely to be an 3rd-party software issue specific to your computer rather than something that is an El Capitan issue. I base this on my experience with my 2012 Mini (still has El Capitan) and the lack of similar issues reported both on this forum and the El Capitan forum (although I stopped visiting the El Capitan forum on a regular basis about 9 months ago).

If the problems started with El Capitan, you can try running in safe mode. This will disable 3rd-party extensions, add-in's, daemons, etc.
https://support.apple.com/en-us/HT201262

If it's at all practical, if you can clone off what is on your SSD to an external HDD and then clone your Mavericks internal HDD to the SSD and try that, that should produce good information, particularly if you try running Mavericks off of the internal HDD as you mentioned you would do. If you have the same problems running Mavericks on the SSD but not on the internal HDD, then it's obviously more likely to be a hardware issue, although I would specifically like to know what brand/model enclosures you've used before considering an internal hardware issue to be the problem.
Click to expand...

I tried safe mode, but it does not work with 2 different user accounts and fast switching (which we need because this is the main work PC for my wife and me).

I forgot to mention that after the first occurrences of the problem I did last January a fresh install of El Capitan on the SSD (not from backup; installing the few necessary additional programs from new and copying the document folders) which did not change anything. So I doubt software incompatibilities.
 
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Moving the SSD away from the mac did not help, the problem occurred again.

Etrecheck results do not indicate anything for me, but here are they for inspection:

EtreCheck version: 3.4.6 (460)

Report generated 2018-01-12 14:50:18

Download EtreCheck from https://etrecheck.com

Runtime: 3:12

Performance: Good



Click the [Lookup] links for more information from Apple Support Communities.

Click the [Details] links for more information about that line.



Problem: Beachballing



Hardware Information: ⓘ

Mac mini (Late 2012)

[Technical Specifications] - [User Guide] - [Warranty & Service]

Mac mini - model: Macmini6,1

1 2,5 GHz Intel Core i5 (i5-3210M) CPU: 2-core

16 GB RAM Upgradeable - [Instructions]

BANK 0/DIMM0

8 GB DDR3 1600 MHz ok

BANK 1/DIMM0

8 GB DDR3 1600 MHz ok

Handoff/Airdrop2: supported

Wireless: en1: 802.11 a/b/g/n


Video Information: ⓘ

Intel HD Graphics 4000 - VRAM: 1536 MB

IPS224 1920 x 1080 @ 60 Hz


Disk Information: ⓘ

APPLE HDD HTS545050A7E362 disk0: (500,11 GB) (Rotational)

[Show SMART report]

(disk0s1) <not mounted> [EFI]: 210 MB

Macintosh HD (disk0s2 - Journaled HFS+) /Volumes/Macintosh HD : 499.25 GB (38.03 GB free)

(disk0s3) <not mounted> [Recovery]: 650 MB


USB Information: ⓘ

USB20Bus

hub_device

USB20Bus

hub_device

hub_device

Apple, Inc. IR Receiver

Apple Inc. BRCM20702 Hub

Apple Inc. Bluetooth USB Host Controller

USB30Bus 1,05 TB

JMicron USB 1,05 TB

LITEON Technology USB Multimedia Keyboard


Thunderbolt Information: ⓘ

Apple Inc. thunderbolt_bus


Virtual disks: ⓘ

SSD (disk1s2 - Journaled HFS+) / [Startup]: 1.05 TB (296.22 GB free)

Physical disk: (null) 1.05 TB (296.22 GB free)



System Software: ⓘ

OS X El Capitan 10.11.6 (15G18013) - Time since boot: about 6 hours


Gatekeeper: ⓘ

Mac App Store and identified developers


System Launch Agents: ⓘ

[not loaded] 7 Apple tasks

[loaded] 154 Apple tasks

[running] 79 Apple tasks


System Launch Daemons: ⓘ

[not loaded] 44 Apple tasks

[loaded] 157 Apple tasks

[running] 90 Apple tasks


Launch Agents: ⓘ

[failed] com.adobe.ARMDCHelper.cc24aef4a1b90ed56a725c38014c95072f92651fb65e1bf9c8e43c37a23d420d.plist (Adobe Systems, Inc. - installed 2017-08-09) [Lookup]

[running] com.brother.LOGINserver.plist (? a1772de2 41ad4933 - installed 2017-01-04) [Lookup]

[loaded] com.cisco.anyconnect.gui.plist (? 40bd3462 0 - installed 2017-02-03) [Lookup]

[not loaded] com.teamviewer.teamviewer.plist (TeamViewer GmbH - installed 2017-05-28) [Lookup]

[not loaded] com.teamviewer.teamviewer_desktop.plist (TeamViewer GmbH - installed 2017-03-14) [Lookup]


Launch Daemons: ⓘ

[loaded] com.adobe.ARMDC.Communicator.plist (Adobe Systems, Inc. - installed 2017-08-09) [Lookup]

[loaded] com.adobe.ARMDC.SMJobBlessHelper.plist (Adobe Systems, Inc. - installed 2017-08-09) [Lookup]

[running] com.cisco.anyconnect.aciseagentd.plist (? 8b31c1c3 91166dad - installed 2015-01-29) [Lookup]

[running] com.cisco.anyconnect.ciscod.plist (? d78c2ec9 e1c18c6e - installed 2015-01-29) [Lookup]

[running] com.cisco.anyconnect.vpnagentd.plist (? a7cbca7 6d972442 - installed 2015-01-29) [Lookup]

[loaded] com.teamviewer.Helper.plist (TeamViewer GmbH - installed 2017-03-14) [Lookup]

[not loaded] com.teamviewer.teamviewer_service.plist (TeamViewer GmbH - installed 2017-05-28) [Lookup]


User Launch Agents: ⓘ

[loaded] com.adobe.ARM.[...].plist (? 5ce181f4 cf8f6d6d - installed 2017-11-17) [Lookup]

[failed] com.google.keystone.agent.plist (Google, Inc. - installed 2017-09-28) [Lookup]


User Login Items: ⓘ

iTunesHelper Programm (Apple, Inc. - installed 2017-12-07)

(/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)

AdobeResourceSynchronizer Programm - Hidden

(/Volumes/Macintosh HD/Applications/Adobe Reader.app/Contents/Support/AdobeResourceSynchronizer.app)

Remote for Mac Programm

(/Applications/Remote for Mac.app)

/Applications/Cisco/Cisco AnyConnect Secure Mobility Client Programm - Hidden

(/Applications/Cisco/Cisco AnyConnect Secure Mobility Client.app)


Internet Plug-ins: ⓘ

AdobePDFViewerNPAPI: 17.012.20098 (installed 2017-11-30) [Lookup]

AdobePDFViewer: 18.009.20050 (installed 2017-11-30) [Lookup]

QuickTime Plugin: 7.7.3 (installed 2017-12-07)

Default Browser: 601 (installed 2016-07-09)



Safari Extensions: ⓘ

[disabled] uBlock Origin - Chris Aljoudi/Raymond Hill - https://www.github.com/el1t/uBlock-Safari (installed 2017-05-19)

[enabled] Adguard AdBlocker - adguard - http://adguard.com (installed 2017-09-22)


3rd Party Preference Panes: ⓘ

None


Time Machine: ⓘ

Skip System Files: NO

Mobile backups: OFF

Auto backup: YES

Volumes being backed up:

SSD: Disk size: 1.05 TB Disk used: 753.13 GB

Destinations:

Data [Network]

Total size: 2.00 TB

Total number of backups: 75

Oldest backup: 03.01.17, 08:03

Last backup: 12.01.18, 14:10

Size of backup disk: Too small

Backup size 2.00 TB < (Disk used 753.13 GB X 3)


Top Processes by CPU: ⓘ

12% WindowServer

5% com.apple.WebKit.WebContent

5% Safari

4% kernel_task

2% mdworker


Top Processes by Memory: ⓘ

1.30 GB kernel_task

580 MB com.apple.WebKit.WebContent

398 MB com.apple.WebKit.WebContent

301 MB Safari

279 MB soffice


Top Processes by Energy Use: ⓘ

18.28 Finder

15.18 WindowServer

14.60 vpnagentd

3.52 Cisco AnyConnect Secure Mobility Client

3.50 nsurlsessiond


Virtual Memory Information: ⓘ

3.47 GB Available RAM

329 MB Free RAM

12.53 GB Used RAM

3.15 GB Cached files

4 MB Swap Used



Diagnostics Events (last 3 days for minor events): ⓘ

2018-01-12 08:01:13 Last shutdown cause: 3 - Hard shutdown

2018-01-10 20:23:41 CalendarAgent Crash [Open]

Cause: *** Terminating app due to uncaught exception 'ACExceptionFailedBootstrapLookUp', reason: 'Failed to communicate with accountsd.'

terminating with uncaught exception of type NSException

abort() called

2018-01-10 20:23:34 WindowServer Crash [Open]

Cause: Assertion failed: (x_list_nth(active_managed_displays, 0) == PKGDisplayGetSpaceData(pkg_display)), function __session_data_handle_display_config_change_block_invoke395, file Server/Packages/PKGSpace.c, line 7409.

2018-01-10 20:21:14 SystemUIServer.app Crash [Open]

2017-12-21 20:50:13 Kernel Panic [Open] [Details]

3rd Party Kernel Extensions:

com.cisco.kext.acsock 1.1.0
 
You could try booting from another drive.

I would do a "clean install" onto it first.

Then... leave OUT stuff like cisco and teamviewer.

Boot and run that way and see if things change...
 
Fishrrman said:
You could try booting from another drive.

I would do a "clean install" onto it first.

Then... leave OUT stuff like cisco and teamviewer.

Boot and run that way and see if things change...
Click to expand...


Thank you, but that is what I already did last January: clean install, only few additional apps (OpenOffice, Burn, XLD). Cisco and Teamviewer came much later, after the problem had manifested itself already.
 
In the EntreCheck, towards the end, there is "SystemUIServer.app Crash" and "Kernel Panic". If you can post the results of the kernel panic, that would be helpful. If whatever comes up from the SystemUIServer crash isn't that large, you can post that as well. In the "Console" app, on the left side, if you click on either in the "System Reports" or the "User Reports" - if you have multiple of the reports that starts with "Kernel" and end with "panic", that could point to what your problem has been. (If you don't find these reports, there's another way to get to them - you should have at least one kernel panic report according to EntreCheck.)
 
There is one Kernel Panic, but from 3 weeks ago, so I do not think it is related to the problem I have, that has occurred a dozen times since then. Anyway, here is the Console report



Thu Dec 21 20:50:13 2017

*** Panic Report ***
panic(cpu 2 caller 0xffffff802dfcddd3): Kernel trap at 0xffffff7fb0644586, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0xffffff81f3ecc004, CR3: 0x000000003131f000, CR4: 0x00000000001626e0
RAX: 0x00000000fc5be031, RBX: 0xffffff806d544d00, RCX: 0x0000000000040004, RDX: 0x0000000000000003
RSP: 0xffffff820c983d28, RBP: 0xffffff820c983d30, RSI: 0x0000000000040004, RDI: 0xffffff804ef5b000
R8: 0xffffff804d9a1400, R9: 0xffffff804ee27000, R10: 0x00000000fffffffc, R11: 0xffffff81f3e8c000
R12: 0xffffff7fb0666a98, R13: 0xffffff804d9a1400, R14: 0xffffff804edc2400, R15: 0x0000000010001000
RFL: 0x0000000000010202, RIP: 0xffffff7fb0644586, CS: 0x0000000000000008, SS: 0x0000000000000010
Fault CR2: 0xffffff81f3ecc004, Error code: 0x0000000000000002, Fault CPU: 0x2, PL: 0

Backtrace (CPU 2), Frame : Return Address
0xffffff820c9839b0 : 0xffffff802ded9b52
0xffffff820c983a30 : 0xffffff802dfcddd3
0xffffff820c983c10 : 0xffffff802dfebca3
0xffffff820c983c30 : 0xffffff7fb0644586
0xffffff820c983d30 : 0xffffff7fb06224a6
0xffffff820c983d40 : 0xffffff7fb060d974
0xffffff820c983d90 : 0xffffff7fb05b771c
0xffffff820c983db0 : 0xffffff7fb05b7631
0xffffff820c983dd0 : 0xffffff7fb061156a
0xffffff820c983df0 : 0xffffff7fb061675a
0xffffff820c983e10 : 0xffffff7fb059934f
0xffffff820c983e40 : 0xffffff7fb059b1ab
0xffffff820c983e60 : 0xffffff7fb0599f38
0xffffff820c983e90 : 0xffffff802e490338
0xffffff820c983ed0 : 0xffffff802e4b32fe
0xffffff820c983f10 : 0xffffff802e48f494
0xffffff820c983f90 : 0xffffff802e48f717
0xffffff820c983fb0 : 0xffffff802dfc8507
Kernel Extensions in backtrace:
com.apple.iokit.IOAcceleratorFamily2(205.14)[F8D2BD9A-BEA1-3D5F-AB4D-9EFB8251F6AE]@0xffffff7fb0585000->0xffffff7fb05f0fff
dependency: com.apple.iokit.IOPCIFamily(2.9)[54DFF6A8-E21D-3C47-A1E4-AAAACF63862F]@0xffffff7fae72c000
dependency: com.apple.iokit.IOGraphicsFamily(2.4.1)[A360453D-2050-3C49-A549-AC0DD5E87917]@0xffffff7faf239000
com.apple.driver.AppleIntelHD4000Graphics(10.1.4)[801A6648-F84E-3C9E-A770-D998D97EDC52]@0xffffff7fb05ff000->0xffffff7fb0667fff
dependency: com.apple.iokit.IOSurface(108.3.2)[B7463A12-16ED-34D4-B9E8-9B78CDFC927B]@0xffffff7faf0a2000
dependency: com.apple.iokit.IOPCIFamily(2.9)[54DFF6A8-E21D-3C47-A1E4-AAAACF63862F]@0xffffff7fae72c000
dependency: com.apple.iokit.IOGraphicsFamily(2.4.1)[A360453D-2050-3C49-A549-AC0DD5E87917]@0xffffff7faf239000
dependency: com.apple.iokit.IOAcceleratorFamily2(205.14)[F8D2BD9A-BEA1-3D5F-AB4D-9EFB8251F6AE]@0xffffff7fb0585000

BSD process name corresponding to current thread: kernel_task

Mac OS version:
15G18013

Kernel version:
Darwin Kernel Version 15.6.0: Mon Nov 13 21:58:35 PST 2017; root:xnu-3248.72.11~1/RELEASE_X86_64
Kernel UUID: C10057FF-0E06-326A-89A6-2805BE017ED5
Kernel slide: 0x000000002dc00000
Kernel text base: 0xffffff802de00000
__HIB text base: 0xffffff802dd00000
System model name: Macmini6,1 (Mac-031AEE4D24BFF0B1)

System uptime in nanoseconds: 630292943278496
last loaded kext at 629902966614840: com.apple.driver.AppleXsanScheme 3 (addr 0xffffff7fb0bc5000, size 32768)
last unloaded kext at 630170706314971: com.apple.driver.AppleXsanScheme 3 (addr 0xffffff7fb0bc5000, size 32768)
loaded kexts:
com.cisco.kext.acsock 1.1.0
com.apple.filesystems.smbfs 3.0.1
com.apple.driver.AppleUSBODD 3.7.1
com.apple.filesystems.afpfs 11.0
com.apple.nke.asp-tcp 8.0.0
com.apple.driver.AppleBluetoothMultitouch 90.3
com.apple.driver.AudioAUUC 1.70
com.apple.driver.ApplePlatformEnabler 2.6.0d0
com.apple.driver.AGPM 110.22.0
com.apple.driver.X86PlatformShim 1.0.0
com.apple.filesystems.autofs 3.0
com.apple.driver.AppleOSXWatchdog 1
com.apple.driver.AppleMikeyHIDDriver 124
com.apple.driver.AppleUpstreamUserClient 3.6.1
com.apple.driver.AppleMCCSControl 1.2.13
com.apple.driver.AppleHDA 274.12
com.apple.driver.pmtelemetry 1
com.apple.iokit.IOUserEthernet 1.0.1
com.apple.driver.AppleIntelHD4000Graphics 10.1.4
com.apple.iokit.IOBluetoothSerialManager 4.4.6f2
com.apple.driver.AppleMikeyDriver 274.12
com.apple.driver.AppleThunderboltIP 3.0.8
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.4.6f2
com.apple.driver.AppleSMCPDRC 1.0.0
com.apple.driver.AppleLPC 3.1
com.apple.driver.AppleHV 1
com.apple.driver.AppleIntelSlowAdaptiveClocking 4.0.0
com.apple.driver.AppleIntelFramebufferCapri 10.1.4
com.apple.driver.AppleIRController 327.6
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0
com.apple.BootCache 38
com.apple.iokit.IOAHCIBlockStorage 2.8.5
com.apple.driver.AppleSDXC 1.7.0
com.apple.iokit.AppleBCM5701Ethernet 10.2.0
com.apple.driver.AppleFWOHCI 5.5.4
com.apple.driver.AirPort.Brcm4360 1042.2.1a2
com.apple.driver.AppleAHCIPort 3.1.8
com.apple.driver.usb.AppleUSBEHCIPCI 1.0.1
com.apple.driver.AppleACPIButtons 4.0
com.apple.driver.AppleRTC 2.0
com.apple.driver.AppleHPET 1.8
com.apple.driver.AppleSMBIOS 2.1
com.apple.driver.AppleACPIEC 4.0
com.apple.driver.AppleAPIC 1.7
com.apple.driver.AppleIntelCPUPowerManagementClient 218.0.0
com.apple.nke.applicationfirewall 163
com.apple.security.quarantine 3
com.apple.security.TMSafetyNet 8
com.apple.driver.AppleIntelCPUPowerManagement 218.0.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.7.7
com.apple.iokit.IOBDStorageFamily 1.8
com.apple.iokit.IODVDStorageFamily 1.8
com.apple.iokit.IOCDStorageFamily 1.8
com.apple.security.SecureRemotePassword 1.0
com.apple.driver.IOBluetoothHIDDriver 4.4.6f2
com.apple.driver.AppleMultitouchDriver 304.12
com.apple.driver.AppleHIDTransport 5
com.apple.kext.triggers 1.0
com.apple.driver.DspFuncLib 274.12
com.apple.kext.OSvKernDSPLib 525
com.apple.iokit.IOSurface 108.3.2
com.apple.iokit.IOSerialFamily 11
com.apple.iokit.IOFireWireIP 2.2.6
com.apple.driver.CoreCaptureResponder 1
com.apple.driver.AppleHDAController 274.12
com.apple.iokit.IOHDAFamily 274.12
com.apple.iokit.IOAudioFamily 204.4
com.apple.vecLib.kext 1.2.0
com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.4.6f2
com.apple.iokit.IOBluetoothFamily 4.4.6f2
com.apple.driver.AppleSMBusController 1.0.14d1
com.apple.driver.AppleSMBusPCI 1.0.14d1
com.apple.driver.X86PlatformPlugin 1.0.0
com.apple.driver.IOPlatformPluginFamily 6.0.0d7
com.apple.iokit.IOSlowAdaptiveClockingFamily 1.0.0
com.apple.driver.AppleSMC 3.1.9
com.apple.iokit.IONDRVSupport 2.4.1
com.apple.iokit.IOAcceleratorFamily2 205.14
com.apple.AppleGraphicsDeviceControl 3.12.9
com.apple.iokit.IOGraphicsFamily 2.4.1
com.apple.iokit.IOUSBHIDDriver 900.4.1
com.apple.iokit.IOSCSIBlockCommandsDevice 3.7.7
com.apple.iokit.IOUSBMassStorageDriver 1.0.0
com.apple.iokit.IOSCSIArchitectureModelFamily 3.7.7
com.apple.driver.usb.IOUSBHostHIDDevice 1.0.1
com.apple.driver.usb.cdc 5.0.0
com.apple.driver.usb.networking 5.0.0
com.apple.driver.usb.AppleUSBHostCompositeDevice 1.0.1
com.apple.driver.usb.AppleUSBHub 1.0.1
com.apple.driver.AppleThunderboltDPInAdapter 4.1.3
com.apple.driver.AppleThunderboltDPAdapterFamily 4.1.3
com.apple.driver.AppleThunderboltPCIDownAdapter 2.0.2
com.apple.driver.AppleThunderboltNHI 4.0.4
com.apple.iokit.IOThunderboltFamily 6.0.2
com.apple.iokit.IOEthernetAVBController 1.0.3b3
com.apple.iokit.IOFireWireFamily 4.6.1
com.apple.iokit.IO80211Family 1110.26
com.apple.driver.mDNSOffloadUserClient 1.0.1b8
com.apple.iokit.IONetworkingFamily 3.2
com.apple.driver.corecapture 1.0.4
com.apple.iokit.IOAHCIFamily 2.8.1
com.apple.driver.usb.AppleUSBEHCI 1.0.1
com.apple.driver.usb.AppleUSBXHCIPCI 1.0.1
com.apple.driver.usb.AppleUSBXHCI 1.0.1
com.apple.iokit.IOUSBFamily 900.4.1
com.apple.iokit.IOUSBHostFamily 1.0.1
com.apple.driver.AppleUSBHostMergeProperties 1.0.1
com.apple.driver.AppleEFINVRAM 2.0
com.apple.driver.AppleEFIRuntime 2.0
com.apple.iokit.IOHIDFamily 2.0.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 300.0
com.apple.kext.AppleMatch 1.0.0d1
com.apple.driver.AppleKeyStore 2
com.apple.driver.AppleMobileFileIntegrity 1.0.5
com.apple.driver.AppleCredentialManager 1.0
com.apple.driver.DiskImages 417.4
com.apple.iokit.IOStorageFamily 2.1
com.apple.iokit.IOReportFamily 31
com.apple.driver.AppleFDEKeyStore 28.30
com.apple.driver.AppleACPIPlatform 4.0
com.apple.iokit.IOPCIFamily 2.9
com.apple.iokit.IOACPIFamily 1.4
com.apple.kec.Libm 1
com.apple.kec.pthread 1
com.apple.kec.corecrypto 1.0

System Profile:
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x10E), Broadcom BCM43xx 1.0 (7.21.95.178.1a2)
Bluetooth: Version 4.4.6f2, 3 services, 27 devices, 1 incoming serial ports
Thunderbolt Bus: Mac mini, Apple Inc., 23.4
Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1600 MHz, 0x0198, 0x393930353432382D3039352E4430304C4620
Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x0198, 0x393930353432382D3039352E4430304C4620
USB Device: USB 2.0 Bus
USB Device: Hub
USB Device: USB 2.0 Bus
USB Device: Hub
USB Device: Hub
USB Device: IR Receiver
USB Device: BRCM20702 Hub
USB Device: Bluetooth USB Host Controller
USB Device: USB 3.0 Bus
USB Device: USB
USB Device: USB Multimedia Keyboard
Serial ATA Device: APPLE HDD HTS545050A7E362, 500,11 GB
Model: Macmini6,1, BootROM MM61.010B.B00, 2 processors, Intel Core i5, 2,5 GHz, 16 GB, SMC 2.7f0
Network Service: Ethernet, Ethernet, en0
Network Service: Wi-Fi, AirPort, en1
Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In
 
What looks suspicious in the kernel panic report is the Cisco kernel extension. If you run in safe mode, it will not load this and you can see if your problems recur. You mention that the problems occurred after the Cisco software install but hopefully running in safe mode is not the inconvenience that de-installing the software is and in the scheme of things is probably the easiest thing to try.

As you mention, there's only one kernel panic, but multiple freezes. It may be that the computer has problems where it cannot produce a kernel panic report or it isn't a kernel panic. If you can post the SystemUIServer.app Crash text and WindowServer Crash text, that may be helpful - or not - some of these reports are only useful to the developers and system engineers at Apple. Kernel panic reports are typically the most useful crash diagnostic reports.

In the Console app, if you can look and see if there are other types of crash reports that have dates/times that coincide with your problems, that could be helpful. It should be noted that a crash that results in a crash report may not necessarily crash or disable the computer but obviously if you have many of the same type of crashes, that is pointing to a problem.

One thing that I will point out is that it may seem from the kernel panic report that there is a GPU hardware problem. But kernel panic reports similar to these happened to me on my 2012 Mini when I was running later versions of Yosemite and those were not GPU hardware issues as the kernel panics stopped once I installed El Capitan. So at this point, I would not say you have a GPU problem based solely on this kernel panic report.
 
I finally decided to try and replace the internal HDD with the SDD. Now it is 6 days running continuously without any problem, shutdown or kernel panic. I think my original idea, that there is a mechanical problem with the USB out leading to short interruptions of the electrical connection, might be correct; it would at least explain everything.
 
I'm glad to see that you got your problem solved. There would need to be more work done to determine whether it was a software issue or a logic board issue. If you have problems with USB devices connected to the Mini in the future, that would point to a logic board issue. If you don't, I would tend to believe it's some type of software-based issue.
 
The original post made me think of two additional things:

1. 10.11 (El Capitan) may not have enabled TRIM on the external SSD. Without TRIM enabled you may get a loss of performance over time. I believe High Sierra enables this automatically now.

2. USB does hog CPU compared to connecting via internal SATA3 or (in my case) Thunderbolt to eSATA.
 
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