On Mon, Aug 9, 2021 at 11:09 PM Brian Inglis wrote: > If you can, run "rebase-trigger full", or if you can't, run > "touch /var/cache/rebase/fullrebase" or do the equivalent with any tools > available, then try rerunning Cygwin Setup, to see if that will > stabilize your system. ran "rebase-trigger full" and then setup. Verified no packages pending c:\cygwin64>cygwin.bat enter .bash_profile end of .bash_profile 0 [main] bash 782 cygwin_exception::open_stackdumpfile: Dumping stack trace to bash.exe.stackdump C:\cygwin64\bin>bash 0 [main] bash 800 cygwin_exception::open_stackdumpfile: Dumping stack trace to bash.exe.stackdump C:\cygwin64\bin>ls -l bash.exe.stackdump -rwxr-xr-x 1 David David 1805 Aug 10 07:11 bash.exe.stackdump C:\cygwin64\bin>type bash.exe.stackdump Stack trace: Frame Function Args 000FFFF9F48 0018006274B (000FFFFA168, 00000000002, 00000000000, 000FFFFDE50) 000FFFFDE50 0018006494C (000FFFFA7E0, 00000000000, 00000000230, 00000000000) 000FFFFA670 0018013F1C8 (001800D6A1C, 00000000026, 00000000030, 0000000008C) 000FFFFA7E0 00180062A3C (00180040000, 00000000000, 000FFFFB530, 000FFFFAEA0) 000FFFFAE50 7FF936C2826F (00180040000, 00180047904, 001802DC5D0, 000FFFFA950) 000FFFFAE50 7FF936BB59CA (00100487456, 0080007CF60, 00000000000, 00000000000) 00100482985 7FF936C2727E (00000000000, 003DCD15EB6, 001004ACD38, 001004ACD38) 00100482985 003E07EBB8D (003DCD15EB6, 001004ACD38, 001004ACD38, 00000000002) 00100482985 003DCD2A0E9 (00000000000, 00000000000, 001004ACD38, 001004ACD38) 00100482985 003DCD122EE (00000000000, 00000000000, 00000000000, 00000000000) 00100482985 0010044F185 (00000000000, 00000000000, 00000000000, 00000000000) 00100482985 00100402725 (00000000000, 00000000000, 00000000000, 00000000000) 001004ACD38 00100404723 (00000000000, 00000000000, 00000000000, 00000000000) 00000000134 001004074AC (00000000000, 00000000002, 00000000000, 00000000001) 00000000134 0010040AA97 (00000000001, 00000000000, 0010041CE79, 000FFFFFFFF) 00000000000 00100401B92 (00000000001, 00100441750, 00000000002, 00000000000) 00000000000 00100401C96 (000FFFFFFFF, 00100482580, 000FFFFCC90, 00000000000) 00000000000 00100401EC4 (000FFFFCA20, 00000000012, 00000000000, 00100010002) 00000000000 0010047C3BA (000FFFFCC80, 008000281A0, 00000000005, 00180335BA0) 000FFFFCCE0 00180049EFD (00000000000, 00000000000, 00000000000, 00000000000) 000FFFFFFF0 00180047856 (00000000000, 00000000000, 00000000000, 00000000000) 000FFFFFFF0 00180047904 (00000000000, 00000000000, 00000000000, 00000000000) End of stack trace C:\cygwin64\bin>bash --version GNU bash, version 4.4.12(3)-release (x86_64-unknown-cygwin) Copyright (C) 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software; you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. C:\cygwin64\bin>ldd bash.exe ntdll.dll => /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll (0x7ff936b80000) KERNEL32.DLL => /cygdrive/c/WINDOWS/System32/KERNEL32.DLL (0x7ff9353e0000) KERNELBASE.dll => /cygdrive/c/WINDOWS/System32/KERNELBASE.dll (0x7ff934310000) cygwin1.dll => /usr/bin/cygwin1.dll (0x180040000) cygintl-8.dll => /usr/bin/cygintl-8.dll (0x3e1b30000) cygiconv-2.dll => /usr/bin/cygiconv-2.dll (0x3e3980000) cygreadline7.dll => /usr/bin/cygreadline7.dll (0x3dcd10000) cygncursesw-10.dll => /usr/bin/cygncursesw-10.dll (0x3e07c0000) Also trying more C:\cygwin64\bin>more < NUL 0 [main] more 623 cygwin_exception::open_stackdumpfile: Dumping stack trace to more.exe.stackdump C:\cygwin64\bin>ls -l more.exe.stackdump -rwxr-xr-x 1 David David 502 Aug 10 07:15 more.exe.stackdump C:\cygwin64\bin>type more.exe.stackdump Exception: STATUS_ACCESS_VIOLATION at rip=003E07E8A37 rax=00000003EFB1A170 rbx=0000000000000001 rcx=0000000800029195 rdx=0000000000000001 rsi=0000000800029195 rdi=00000000FFFFC504 r8 =00000000FFFFC504 r9 =0000000000000000 r10=000000000000004D r11=00000001004053BE r12=0000000000000000 r13=00000000FFFFCC90 r14=00000000FFFFCC95 r15=000000018027B0B3 rbp=0000000000000001 rsp=00000000FFFFC438 program=C:\cygwin64\bin\more.exe, pid 623, thread main cs=0033 ds=002B es=002B fs=0053 gs=002B ss=002B C:\cygwin64\bin>ls -l more.exe -rwxr-xr-x 1 David David 36371 Mar 31 2020 more.exe C:\cygwin64\bin>more --version more from util-linux 2.33.1 output from strace more < NUL attached > You may also want to check your Windows Preview release docs, and > articles about it, for features such as address changes or randomization > (e.g. ASLR) being experimentally enabled on some % of systems, or > mandated, and applied to dlls, which will break Cygwin. thank you, I'll try to dig into the Windows Preview notes - as this doesn't happen on the work laptop