[issue36843] AIX build fails with failure to get random numbers

Michael Felt added the comment: FYI: I was contacted this week by someone with this problem. The problem was resolved after they updated AIX (was 7100-04-00-). Please note: any oslevel -s reporting six zeros at the end needs the SP that is released in parallel with the base.

[issue36843] AIX build fails with failure to get random numbers

STINNER Victor added the comment: I close the issue. Maybe contact Michael Felt to get help to debug your issue. -- resolution: -> not a bug stage: -> resolved status: open -> closed ___ Python tracker

[issue36843] AIX build fails with failure to get random numbers

STINNER Victor added the comment: > open O_RDONLY failed Ah. That sounds like an issue on your machine or specific to AIX. I don't see what Python can do to support a platform where /dev/urandom doesn't work. Python really needs /dev/urandom at startup to initialize its "hash secret" to

[issue36843] AIX build fails with failure to get random numbers

Robert Boehne added the comment: I wonder if there's anyone with AIX 7 who can attempt to reproduce this. We have another AIX machine, but it is down for the moment. I would like to eliminate a problem on this machine as the cause. -- ___

[issue36843] AIX build fails with failure to get random numbers

Robert Boehne added the comment: It doesn't look good: robb@nepal:/raid/checkouts-raid/robb/nepal$ xlc_r -q64 -O0 -g -qlanglvl=extc1x -o urandom urandom.c robb@nepal:/raid/checkouts-raid/robb/nepal$ ./urandom open O_RDONLY failed open O_RDONLY | O_CLOEXEC failed

[issue36843] AIX build fails with failure to get random numbers

STINNER Victor added the comment: Robert Boehne: pyurandom() uses _Py_open_noraise("/dev/urandom", O_RDONLY) which uses O_CLOEXEC if available. If this flag available? Does it work? Please try to build attached urandom.c. Example on my Fedora 29: open O_RDONLY succeeded read(16) -> 16 open

[issue36843] AIX build fails with failure to get random numbers

Robert Boehne added the comment: Reading a few bytes from /dev/urandom via dd: robb@nepal:/raid/checkouts-raid/robb/nepal/build-py37$ dd if=/dev/urandom bs=256 count=1 ??S?(#L???~]?B?^??8?f&?_|Vi??@??[joG>St??;?$?1?*??24???RD?"4`??aҼ#???f??? ?}

[issue36843] AIX build fails with failure to get random numbers

Robert Boehne added the comment: The call to open("/dev/urandom", flags) is returning -1, and errno is set to 22, EINVAL - Invalid argument. could the flags be set incorrectly? -- ___ Python tracker

[issue36843] AIX build fails with failure to get random numbers

Robert Boehne added the comment: Opening /dev/urandom seems to return -1 (dbx) print buffer 0x09001000a5f49380 (dbx) print size 24 (dbx) print raise 0 (dbx) step stopped in dev_urandom at line 311 in file

[issue36843] AIX build fails with failure to get random numbers

STINNER Victor added the comment: Ok, so Python uses /dev/urandom. Can you try to read a few bytes from it? Like 256 bytes. You can try my dd command. -- ___ Python tracker

[issue36843] AIX build fails with failure to get random numbers

Robert Boehne added the comment: from pyconfig.h: /* Define to 1 if the getrandom() function is available */ /* #undef HAVE_GETRANDOM */ /* Define to 1 if the Linux getrandom() syscall is available */ /* #undef HAVE_GETRANDOM_SYSCALL */ /* Define to 1 if you have the header file. */ /*

[issue36843] AIX build fails with failure to get random numbers

Change by Robert Boehne : Added file: https://bugs.python.org/file48317/config.log.gz ___ Python tracker ___ ___ Python-bugs-list mailing

[issue36843] AIX build fails with failure to get random numbers

STINNER Victor added the comment: Try to compress config.log to attach it. Or at least attach the output of "./configure" as a file. I'm looking for HAVE_GETRANDOM, HAVE_GETRANDOM_SYSCALL, HAVE_GETENTROPY defines that you can find in pyconfig.h. About /dev/urandom: does this device exist?

[issue36843] AIX build fails with failure to get random numbers

Christian Heimes added the comment: Could you please use a debugger and step through _Py_HashRandomization_Init and pyurandom to see, where the initialization of the RNG is failing? -- nosy: +christian.heimes ___ Python tracker

[issue36843] AIX build fails with failure to get random numbers

Change by Jason Madden : -- nosy: +jmadden ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue36843] AIX build fails with failure to get random numbers

Robert Boehne added the comment: robb@nepal:/raid/checkouts-raid/robb/nepal/build-py37$ gmake xlc_r -c -DNDEBUG -O -q64 -qlanglvl=extc99 -IObjects -IInclude -IPython -I. -I../../Python-3.7.3/Include -I/raid/checkouts-raid/robb/Python-2.7.15/Modules/zlib -DPy_BUILD_CORE -o

[issue36843] AIX build fails with failure to get random numbers

New submission from Robert Boehne : build fails with: ./python -E ../../Python-3.7.3/setup.py build Fatal Python error: _Py_HashRandomization_Init: failed to get random numbers to initialize Python -- components: Build messages: 341821 nosy: Robert Boehne priority: normal severity: