Linux client starts with black screen, because of **CRASHING**:seccomp-bpf failure in syscall 0281


#1

On Ubuntu 17.10 64-bit, the native Paperspace 5.6.1.1 client hangs on a black screen.

It looks like it is failing to start because of this backtrace. It can be worked around by starting Paperspace with QTWEBENGINE_DISABLE_SANDBOX=1.

/home/qt/work/qt/qtwebengine/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc:**CRASHING**:seccomp-bpf failure in syscall 0281 
Received signal 11 SEGV_MAPERR 00000c003119 
#0 0x7f379a756a2e <unknown> 
#1 0x7f379a756deb <unknown> 
#2 0x7f37960ce150 <unknown> 
#3 0x7f379af40048 <unknown> 
#4 0x7f379b0a1c9e <unknown> 
#5 0x7f37960ce150 <unknown> 
#6 0x7f37954fcc87 epoll_pwait 
#7 0x7f379bc32df0 <unknown> 
#8 0x7f379bc31042 <unknown> 
#9 0x7f379a74dd5e <unknown> 
#10 0x7f379a7875a8 <unknown> 
#11 0x7f379a771b65 <unknown> 
#12 0x7f379a79fb21 <unknown> 
#13 0x7f379a79c1c7 <unknown> 
#14 0x7f37960c27fc start_thread 
#15 0x7f37954fcb0f clone 
r8: 0000000000000002 r9: 00007f3788cd532c r10: 0000000000000000 r11: 0000000000000246 
r12: 00007f3788cd5330 r13: 0000000000879cc0 r14: 00007f3788cd5380 r15: 000000000089b000 
di: 0000000000000001 si: 00007f379c837786 bp: 00007f3788cd5380 bx: 000000000c003119 
dx: 000000000c000000 ax: 000000000c003000 cx: 00007f37960cccc0 sp: 00007f3788cd5330 
ip: 00007f379af40048 efl: 0000000000010202 cgf: 002b000000000033 erf: 0000000000000006 
trp: 000000000000000e msk: 0000000000000000 cr2: 000000000c003119 
[end of stack trace]

#2

Thanks for reporting. There’s a fix going out for this in the next release.


#3

Hi,

Just wondering if this is fixed yet? I’m still getting same problem on my Linux machine.


#4

hmm did the app update successfully to the most recent version when you opened it? In any case, try downloading the latest version from here. The bug ticket is closed but it’s certainly possible we’ll need to re-open it.