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SophosUIServer keeps crashing

For the past few days on a MAC, the SophosUIServer has been crashing. I updated it, I uninstalled it and it seems that I can't seem to get this issue to go away.

On OS X, I get SophosUIServer has crashed, send report to Apple or ignore.

When I looked at the crash trace, I saw that launchd is having issues with the UIServer.

So I uninstalled the whole thing and reinstalled it.

Now I have Sophos Home edtion 9.7.7, Threat detection engine 3.74 and threat data 5.55, It seems to me this is the latest Sophos.

Is anyone else having this issue? What's the implication? Is Sophos not working on this machine?

This thread was automatically locked due to age.

0 Bernd Hendel over 5 years ago

my Sophos AV crashes

1) during a virus scan ("Scan now") after having scanned more than 250000 files

example:

Thread 6 Crashed:: Dispatch queue: com.sophos.xpc.clienthelper.clientConnection.statusUpdateQueue
0   dyld                             0x00007fff68e7609d dyld_fatal_error + 1
1   dyld                             0x00007fff68e78df6 dyld::fastBindLazySymbol(ImageLoader**, unsigned long) + 171
2   libdyld.dylib                    0x00007fff88c1f2dd dyld_stub_binder_ + 13
3   ???                              0x000000010fcb1008 0 + 4559933448
4   com.sophos.macendpoint.Sophos-Anti-Virus   0x000000010fc49ab5 __86+[SMEQueueMonitor waitResponseFromAllQueues:forTimeout:withJobID:withCompletionBlock:]_block_invoke.61 + 55
5   libdispatch.dylib                0x00007fff87ee11bb _dispatch_call_block_and_release + 12
6   libdispatch.dylib                0x00007fff87ede28d _dispatch_client_callout + 8
7   libdispatch.dylib                0x00007fff87ee0673 _dispatch_queue_drain + 451
8   libdispatch.dylib                0x00007fff87ee19c1 _dispatch_queue_invoke + 110
9   libdispatch.dylib                0x00007fff87edff87 _dispatch_root_queue_drain + 75
10 libdispatch.dylib                0x00007fff87ee1177 _dispatch_worker_thread2 + 40
11 libsystem_pthread.dylib          0x00007fff93023ef8 _pthread_wqthread + 314
12 libsystem_pthread.dylib          0x00007fff93026fb9 start_wqthread + 13

Thread 6 crashed with X86 Thread State (64-bit):
rax: 0x00007fff68eaadb0 rbx: 0x000060000014ea70 rcx: 0x0000000000000000 rdx: 0x0000000000000000
rdi: 0x00007fff68eaaf20 rsi: 0x0000000000000000 rbp: 0x000000010ff61be0 rsp: 0x000000010ff61bc8
   r8: 0x00007fff68e95b8c   r9: 0x0000000000000000 r10: 0x00007fff68e98d26 r11: 0x00007fff68eaaf20
r12: 0x000060000009f4f0 r13: 0x0000000000000000 r14: 0x00007fff68eaaf20 r15: 0x00007fff79b78f38
rip: 0x00007fff68e7609d rfl: 0x0000000000000246 cr2: 0x000000010fe6c000

Logical CPU:     1
Error Code:      0x00000000
Trap Number:     3

2) for unknown reasons (no virus scan) with crash report to be sent to Apple

example:

Crashed Thread: 8 Dispatch queue: com.sophos.xpc.clienthelper.clientConnection.taskqueue

Exception Type: EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000002, 0x0000000000000000

Dyld Error Message:
Symbol not found: _qos_class_self
Referenced from: /Applications/Sophos Anti-Virus.app/Contents/MacOS/Sophos Anti-Virus
Expected in: /usr/lib/libSystem.B.dylib

Thread 8 Crashed:: Dispatch queue: com.sophos.xpc.clienthelper.clientConnection.taskqueue
0   dyld                             0x00007fff635d709d dyld_fatal_error + 1
1   dyld                             0x00007fff635d9df6 dyld::fastBindLazySymbol(ImageLoader**, unsigned long) + 171
2   libdyld.dylib                    0x00007fff84a072dd dyld_stub_binder_ + 13
3   ???                              0x00000001089a1008 0 + 4439281672
4   com.sophos.macendpoint.Sophos-Anti-Virus   0x0000000108939ab5 __86+[SMEQueueMonitor waitResponseFromAllQueues:forTimeout:withJobID:withCompletionBlock:]_block_invoke.61 + 55
5   libdispatch.dylib                0x00007fff83cc91bb _dispatch_call_block_and_release + 12
6   libdispatch.dylib                0x00007fff83cc628d _dispatch_client_callout + 8
7   libdispatch.dylib                0x00007fff83cca7e3 _dispatch_async_redirect_invoke + 154
8   libdispatch.dylib                0x00007fff83cc628d _dispatch_client_callout + 8
9   libdispatch.dylib                0x00007fff83cc8082 _dispatch_root_queue_drain + 326
10 libdispatch.dylib                0x00007fff83cc9177 _dispatch_worker_thread2 + 40
11 libsystem_pthread.dylib          0x00007fff8ee0bef8 _pthread_wqthread + 314
12 libsystem_pthread.dylib          0x00007fff8ee0efb9 start_wqthread + 13

Thread 8 crashed with X86 Thread State (64-bit):
rax: 0x00007fff6360bdb0 rbx: 0x00007fb24b433e50 rcx: 0x0000000000000000 rdx: 0x0000000000000000
rdi: 0x00007fff6360bf20 rsi: 0x0000000000000000 rbp: 0x000000010eb4bc10 rsp: 0x000000010eb4bbf8
   r8: 0x00007fff635f6b8c   r9: 0x0000000000000000 r10: 0x00007fff635f9d26 r11: 0x00007fff6360bf20
r12: 0x00007fb24b625b40 r13: 0x00007fff73399640 r14: 0x00007fff6360bf20 r15: 0x00007fff75960f38
rip: 0x00007fff635d709d rfl: 0x0000000000000246 cr2: 0x0000000108b3e000

Logical CPU:     1
Error Code:      0x00000000
Trap Number:     3

Even worse:

1) On-Access Scanning disables itself frequently for unknown reasons. Needs to be re-enabled manually after a system start.

2) Scheduling scans does not start a scan but just updates scheduler to the next programmed date. I have tried a new schedule profile without success.

I am using:

Sophos AV (update: 15 January 2019 5:05 GMT+1, the date after which the problems started)
Home Edition version 9.7.7
Thread Detection Engine 3.74.0
Thread Data 5.59

MacBook Pro
OS X 10.9.5
2.66 GHz Intel Core i&
Memory 8 GB 1067 MHz DD3

last update of this post on 6 February 2019
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