ThinLinc 4.14.0 Beta

The upcoming release of ThinLinc is almost done and will include more than 60 enhancements and fixes.
The most prominent changes are:

  • The native client now supports full-screen mode over arbitrary set of
    monitors. This can be useful for users that mainly work in ThinLinc,
    but has some local applications they still need. They can now have
    ThinLinc on two monitors, and let a third monitor continue showing the
    local system.

  • Future versions of the ThinLinc client will not support SSH servers
    that are using the older “ssh-rsa” method for host keys or public key
    authentication. For most that means OpenSSH 7.2 or later is required
    on ThinLinc server systems.

  • Support for some older platforms has been removed. The ThinLinc client
    is no longer available for eLux RP 5. The ThinLinc server now only
    supports 64-bit x86 systems. ThinLinc Web Access no longer supports
    Internet Explorer or the previous generation Microsoft Edge browser.

Ahead of the final release a beta version is now available for testing. Please give it a try to see what’s changed, and if there are any problems we’ve missed. A final version should be out very soon.

Please note that this pre-release version should not be used on critical systems. The beta version can be downloaded from our web site:

https://www.cendio.com/thinlinc/download/beta

You’ll also find the release notes there, detailing all the changes in this release.

4 Likes

Just tested the 4.14.0 build 2310 client under macOS 12.1 here and it outputs the following crash log when connecting to one of my ThinLinc 4.13.0 servers. In addition, similar crashes happen sometimes when clicking the “options” button in the thinlinc client window.

Please note that this is a MacBook Pro 16" 2021 M1 Max where the ThinLinc client is obviously started+used using Rosetta emulation. Perhaps that’s the reason for it. With the old 4.13.0 client I don’t see any of these crashes. Would be indeed great to see a native ARM build of the client anytime soon, btw.

-------------------------------------
Translated Report (Full Report Below)
-------------------------------------

Process:               tlclient [52405]
Path:                  /Applications/ThinLinc Client.app/Contents/MacOS/tlclient
Identifier:            se.cendio.tlclient
Version:               4.14.0 (2310)
Code Type:             X86-64 (Translated)
Parent Process:        launchd [1]
User ID:               501

Date/Time:             2022-01-06 13:10:16.2276 +0100
OS Version:            macOS 12.1 (21C52)
Report Version:        12
Anonymous UUID:        058B9200-7B0A-66E1-8839-4DEDF9D63698

Sleep/Wake UUID:       42E2AC71-FBE2-42CC-BDCD-595686B3C84F

Time Awake Since Boot: 470000 seconds
Time Since Wake:       169791 seconds

System Integrity Protection: enabled

Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000010
Exception Codes:       0x0000000000000001, 0x0000000000000010
Exception Note:        EXC_CORPSE_NOTIFY

Termination Reason:    Namespace SIGNAL, Code 11 Segmentation fault: 11
Terminating Process:   exc handler [52405]

VM Region Info: 0x10 is not in any region.  Bytes before following region: 4294967280
      REGION TYPE                    START - END         [ VSIZE] PRT/MAX SHRMOD  REGION DETAIL
      UNUSED SPACE AT START
--->  
      __TEXT                      100000000-10027d000    [ 2548K] r-x/rwx SM=COW  ...acOS/tlclient

Thread 0 Crashed::  Dispatch queue: com.apple.main-thread
0   CoreGraphics                  	    0x7ff811a07300 CGGStateSetCompositeOperation + 14
1   QuartzCore                    	    0x7ff813d46e35 CA::Render::(anonymous namespace)::create_image_by_rendering(CGImage*, CGColorSpace*, unsigned int, double, CA::Render::ImageCopyType) + 744
2   QuartzCore                    	    0x7ff813d45a60 CA::Render::copy_image(CGImage*, CGColorSpace*, unsigned int, double, double) + 4402
3   QuartzCore                    	    0x7ff813d56628 -[CAGradientLayer _copyRenderLayer:layerFlags:commitFlags:] + 393
4   QuartzCore                    	    0x7ff813e942a9 invocation function for block in CA::Context::commit_transaction(CA::Transaction*, double, double*) + 196
5   QuartzCore                    	    0x7ff813d4aa49 CA::Layer::commit_if_needed(CA::Transaction*, void (CA::Layer*, unsigned int, unsigned int) block_pointer) + 327
6   QuartzCore                    	    0x7ff813d4a9d2 CA::Layer::commit_if_needed(CA::Transaction*, void (CA::Layer*, unsigned int, unsigned int) block_pointer) + 208
7   QuartzCore                    	    0x7ff813d4a9d2 CA::Layer::commit_if_needed(CA::Transaction*, void (CA::Layer*, unsigned int, unsigned int) block_pointer) + 208
8   QuartzCore                    	    0x7ff813d4a9d2 CA::Layer::commit_if_needed(CA::Transaction*, void (CA::Layer*, unsigned int, unsigned int) block_pointer) + 208
9   QuartzCore                    	    0x7ff813d4a9d2 CA::Layer::commit_if_needed(CA::Transaction*, void (CA::Layer*, unsigned int, unsigned int) block_pointer) + 208
10  QuartzCore                    	    0x7ff813e913de CA::Context::commit_transaction(CA::Transaction*, double, double*) + 8072
11  QuartzCore                    	    0x7ff813d21292 CA::Transaction::commit() + 704
12  AppKit                        	    0x7ff80f31c592 __62+[CATransaction(NSCATransaction) NS_setFlushesWithDisplayLink]_block_invoke + 285
13  AppKit                        	    0x7ff80fa631d4 ___NSRunLoopObserverCreateWithHandler_block_invoke + 41
14  CoreFoundation                	    0x7ff80c85af98 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23
15  CoreFoundation                	    0x7ff80c85ae34 __CFRunLoopDoObservers + 543
16  CoreFoundation                	    0x7ff80c85a2cb __CFRunLoopRun + 845
17  CoreFoundation                	    0x7ff80c8598a9 CFRunLoopRunSpecific + 567
18  HIToolbox                     	    0x7ff8158db4f1 RunCurrentEventLoopInMode + 292
19  HIToolbox                     	    0x7ff8158db118 ReceiveNextEventCommon + 284
20  HIToolbox                     	    0x7ff8158dafe5 _BlockUntilNextEventMatchingListInModeWithFilter + 70
21  AppKit                        	    0x7ff80f1afb4c _DPSNextEvent + 886
22  AppKit                        	    0x7ff80f1ae1b8 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1411
23  tlclient                      	       0x1000c3cc3 fl_pie(int, int, int, int, double, double) + 51587

Thread 1:: com.apple.rosetta.exceptionserver
0   runtime                       	    0x7ff7fff7b8e4 0x7ff7fff77000 + 18660
1   runtime                       	    0x7ff7fff88928 0x7ff7fff77000 + 71976
2   runtime                       	    0x7ff7fff8a0a4 0x7ff7fff77000 + 77988

Thread 2:
0   runtime                       	    0x7ff7fff99814 0x7ff7fff77000 + 141332

Thread 3:
0   runtime                       	    0x7ff7fff99814 0x7ff7fff77000 + 141332

Thread 4:
0   runtime                       	    0x7ff7fff99814 0x7ff7fff77000 + 141332

Thread 5:: com.apple.NSEventThread
0   ???                           	    0x7ff89cd12940 ???
1   libsystem_kernel.dylib        	    0x7ff80c758aba mach_msg_trap + 10
2   CoreFoundation                	    0x7ff80c85bdf1 __CFRunLoopServiceMachPort + 319
3   CoreFoundation                	    0x7ff80c85a4af __CFRunLoopRun + 1329
4   CoreFoundation                	    0x7ff80c8598a9 CFRunLoopRunSpecific + 567
5   AppKit                        	    0x7ff80f31dd98 _NSEventThread + 132
6   libsystem_pthread.dylib       	    0x7ff80c7954f4 _pthread_start + 125
7   libsystem_pthread.dylib       	    0x7ff80c79100f thread_start + 15

Thread 6:
0   runtime                       	    0x7ff7fff99814 0x7ff7fff77000 + 141332

Thread 7:
0   runtime                       	    0x7ff7fff99814 0x7ff7fff77000 + 141332

Thread 8:
0   runtime                       	    0x7ff7fff99814 0x7ff7fff77000 + 141332

Thread 9:
0   runtime                       	    0x7ff7fff99814 0x7ff7fff77000 + 141332

Thread 10:
0   runtime                       	    0x7ff7fff99814 0x7ff7fff77000 + 141332

Thread 11:
0   runtime                       	    0x7ff7fff99814 0x7ff7fff77000 + 141332

Thread 12:
0   ???                           	    0x7ff89cd12940 ???
1   libsystem_kernel.dylib        	    0x7ff80c760e4a __select + 10


Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x0000000000000000  rbx: 0x0000000000000001  rcx: 0x00000000d4408825  rdx: 0x0000000000000103
  rdi: 0x0000600000012050  rsi: 0x0000000000000001  rbp: 0x00000003046354d0  rsp: 0x00000003046354c0
   r8: 0x0000000000003570   r9: 0x0000000000000090  r10: 0x00000000000007fb  r11: 0x0000000000000071
  r12: 0x0000000123607410  r13: 0x0000000000000001  r14: 0x0000000000000001  r15: 0x0000000000000000
  rip: 0x00007ff811a07300  rfl: 0x0000000000000243
 tmp0: 0x00007ff811a072ae tmp1: 0x00007ff811a072ae tmp2: 0x00007ff8a44ace9c


Binary Images:
    0x7ff8119e8000 -     0x7ff812116fff com.apple.CoreGraphics (2.0) <47a66707-68b8-3769-aefd-57c53ad3f8a7> /System/Library/Frameworks/CoreGraphics.framework/Versions/A/CoreGraphics
    0x7ff813d1f000 -     0x7ff814007fff com.apple.QuartzCore (1.11) <c78ddbd1-ad1a-32c3-8e61-7bad9bdf1df5> /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore
    0x7ff80f171000 -     0x7ff80fffffff com.apple.AppKit (6.9) <d23b9681-3764-3298-a716-fbb511dd5a7c> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
    0x7ff80c7dc000 -     0x7ff80ccdcfff com.apple.CoreFoundation (6.9) <7e1d1901-3f9e-3e2e-a090-3655e5f5e04b> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
    0x7ff8158a9000 -     0x7ff815ba0fff com.apple.HIToolbox (2.1.1) <535dbc28-4d26-3609-86bb-5c40227b648c> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox
       0x100000000 -        0x10027cfff se.cendio.tlclient (4.14.0) <08eed7c0-5860-e2ca-e087-a1eb72489877> /Applications/ThinLinc Client.app/Contents/MacOS/tlclient
    0x7ff7fff77000 -     0x7ff7fffa6fff runtime (*) <21c1e0c9-a36e-3e4b-a12b-1bf54ce4403e> /usr/libexec/rosetta/runtime
               0x0 - 0xffffffffffffffff ??? (*) <00000000-0000-0000-0000-000000000000> ???
    0x7ff80c758000 -     0x7ff80c78efff libsystem_kernel.dylib (*) <5aa1e5be-b5b8-3a02-9885-a8c99e0ca378> /usr/lib/system/libsystem_kernel.dylib
    0x7ff80c78f000 -     0x7ff80c79afff libsystem_pthread.dylib (*) <6c7561b4-4b92-3f45-921e-abe669299844> /usr/lib/system/libsystem_pthread.dylib

External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=925.4M resident=0K(0%) swapped_out_or_unallocated=925.4M(100%)
Writable regions: Total=1.6G written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=1.6G(100%)

                                VIRTUAL   REGION 
REGION TYPE                        SIZE    COUNT (non-coalesced) 
===========                     =======  ======= 
Accelerate framework               256K        2 
Activity Tracing                   256K        1 
CG backing stores                 4032K        4 
CG image                            28K        7 
ColorSync                          224K       25 
CoreAnimation                     2252K       12 
CoreAnimation (reserved)             4K        1         reserved VM address space (unallocated)
CoreGraphics                        12K        2 
CoreServices                        16K        1 
CoreUI image data                  616K        9 
Foundation                          16K        1 
Kernel Alloc Once                    8K        1 
MALLOC                           275.5M       65 
MALLOC guard page                  192K        9 
MALLOC_MEDIUM (reserved)         840.0M        7         reserved VM address space (unallocated)
MALLOC_NANO (reserved)           384.0M        1         reserved VM address space (unallocated)
Rosetta Arena                     4096K        2 
Rosetta Generic                   1304K      323 
Rosetta IndirectBranch             512K        1 
Rosetta JIT                      128.0M        1 
Rosetta Return Stack               240K       24 
Rosetta Thread Context             240K       24 
STACK GUARD                         36K        9 
Stack                             13.7M       12 
Stack Guard                       56.0M        3 
VM_ALLOCATE                       6596K       12 
VM_ALLOCATE (reserved)               8K        2         reserved VM address space (unallocated)
__DATA                            19.1M      320 
__DATA_CONST                      12.0M      179 
__DATA_DIRTY                       536K      101 
__FONT_DATA                          4K        1 
__LINKEDIT                       700.8M       12 
__OBJC_RO                         81.8M        1 
__OBJC_RW                         3136K        2 
__TEXT                           224.6M      335 
__UNICODE                          588K        1 
dyld private memory               1024K        1 
mapped file                        5.0G      435 
shared memory                      816K       17 
unshared pmap                     6880K        5 
===========                     =======  ======= 
TOTAL                              7.7G     1971 
TOTAL, minus reserved VM space     6.5G     1971 



-----------
Full Report
-----------

{"app_name":"tlclient","timestamp":"2022-01-06 13:10:16.00 +0100","app_version":"4.14.0","slice_uuid":"08eed7c0-5860-e2ca-e087-a1eb72489877","build_version":"2310","platform":1,"bundleID":"se.cendio.tlclient","share_with_app_devs":0,"is_first_party":0,"bug_type":"309","os_version":"macOS 12.1 (21C52)","incident_id":"EDD3C4F5-46CE-4F11-83F2-CBDD873C4F4E","name":"tlclient"}
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  "procRole" : "Foreground",
  "version" : 2,
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  "bug_type" : "309",
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Model: MacBookPro18,2, BootROM 7429.61.2, proc 10:8:2 processors, 32 GB, SMC 
Graphics: Apple M1 Max, Apple M1 Max, Built-In
Display: Color LCD, 3456 x 2234 Retina, Main, MirrorOff, Online
Memory Module: LPDDR5
AirPort: Wi-Fi, wl0: Oct 25 2021 22:17:59 version 20.10.853.26.8.7.107 FWID 01-417a4935
Bluetooth: Version (null), 0 services, 0 devices, 0 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
USB Device: USB31Bus
USB Device: USB31Bus
USB Device: USB31Bus
Thunderbolt Bus: MacBook Pro, Apple Inc.
Thunderbolt Bus: MacBook Pro, Apple Inc.
Thunderbolt Bus: MacBook Pro, Apple Inc.

Hello @j.maus

Thank you for the report, we’ll have a look at this.

Best regards,
Martin

Hi @j.maus,

We can see a similar crash here when testing on a M1 mac mini, it doesn’t happen on a 1 year old intel mac mini. We’re getting a SIGSEGV, but not exactly the same error you are seeing. The error we can reproduce happens when you drag the session window to a different monitor.

It’s still possible that we’re seeing different symptoms of the same problem, but you never know.

Are there any special circumstances required for this to happen on your machine? What steps are required to reproduce the crash?