strace shows this failure: 68 368896 [main] rm 1823 _unlink_nt: Trying to delete \??\C:\Test\test, isdir = 0 458 369354 [main] rm 1823 _unlink_nt: \??\C:\Test\test, return status = 0xC0000002 70 369424 [main] rm 1823 seterrno_from_nt_status: /home/corinna/src/cygwin/cygwin-3.1.4/cygwin-3.1.4-1.x86_64/src/newlib-cygwin/winsup/cygwin/syscalls.cc:1116 status 0xC0000002 -> windows error 1 70 369494 [main] rm 1823 geterrno_from_win_error: windows error 1 == errno 54 64 369558 [main] rm 1823 unlink: -1 = unlink(/cygdrive/c/Test/test), errno 54
The full strace is available here: https://pastebin.com/S2iQ7UEN Also, this is what shows up in Procmon: <event> <ProcessIndex>912</ProcessIndex> <Time_of_Day>12:49:56.5313995 PM</Time_of_Day> <Process_Name>rm.exe</Process_Name> <PID>16120</PID> <Operation>SetDispositionInformationEx</Operation> <Path>C:\Test\test</Path> <Result>NOT IMPLEMENTED</Result> <Detail>Flags: FILE_DISPOSITION_DELETE, FILE_DISPOSITION_POSIX_SEMANTICS</Detail> </event> I should mention that I also cannot delete files with Windows 10 WSL. It fails with that "Function not implemented" rather than "Invalid request code", though it seems like it must be related. PS C:\Windows\system32> wsl sbaker@FWA002495 /mnt/c/Windows/system32 $ rm -f /mnt/c/Test/test rm: cannot remove '/mnt/c/Test/test': Function not implemented On Sat, May 2, 2020 at 8:09 PM Sean Baker <sbake...@gmail.com> wrote: > I just installed Cygwin on a new Windows 10 machine. I am getting an error > "Invalid request code" whenever I try to remove a file. Every other file > operation that I have tested so far seems to work fine. > > Using a Windows CMD prompt, I can remove the file with the normal windows > DEL command. However, if I try to execute C:\cygwin64\bin\rm.exe it still > fails with "Invalid request code". > > This problem does not just occur with the 'rm' command. For example. 'vi' > and 'git' cannot remove the lock files that they create. Also custom > programs that I write myself and compile under Cygwin fail with the same > error code when trying to remove files, even when executed from a Windows > CMD prompt or clicked on in Windows explorer. The location of the file does > not matter either, since I have tried files in the Cygwin home dir, my > Users directory, My Documents, etc with the same result. > > However I have also installed MinGW, and in both the Cygwin terminal and > Windows CMD prompt I can remove files successfully by calling the rm.exe > installed there (see examples). > > Example under Cygwin: > > sbaker@FWA002495 ~ >$ echo test > foo > sbaker@FWA002495 ~ >$ ls -l foo > -rw-r--r-- 1 sbaker Domain Users 5 May 2 19:47 foo > sbaker@FWA002495 ~ >$ cat foo > test > sbaker@FWA002495 ~ >$ rm foo > rm: remove regular file 'foo'? y > rm: cannot remove 'foo': Invalid request code > sbaker@FWA002495 ~ >$ /cygdrive/c/MinGW/msys/1.0/bin/rm.exe -v foo > removed `foo' > > Example under Windows CMD: > > C:\Users\sbaker>echo test > foo > C:\Users\sbaker>c:\cygwin64\bin\rm.exe -v foo > /usr/bin/rm: cannot remove 'foo': Invalid request code > C:\Users\sbaker>c:\MinGW\msys\1.0\bin\rm.exe -v foo > removed `foo' > -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple