Fwd: setarch uname 2.6

[Elan Ruusamäe]

pff. managed to post to wrong list


-------- Original Message --------
Subject: 	setarch uname 2.6
Date: 	Sun, 31 May 2015 21:23:51 +0300
From: 	Elan Ruusamäe <glen at pld-linux.org>
Reply-To: 	PLD: Users list (English) <pld-users-en at lists.pld-linux.org>
To: 	pld-users-en at lists.pld-linux.org



hi

is pld setarch broken or the tool itself is broken?

the --uname-2.6 does not seem to work
and stacking two calls, reset the previous attribs.

# setarch --uname-2.6 uname -r
setarch: --uname-2.6: Unrecognized architecture

# setarch uname26 uname -r
2.6.54-1

# setarch --list
uname26
linux32
linux64
i386
i486
i586
i686
athlon
x86_64

# setarch i686 uname -m
i686

# setarch uname26 setarch i686 uname -rm
3.14.36-1 i686

# setarch i686 setarch uname26 uname -rm
2.6.54-1 x86_64

# rpm -qf `which setarch`
util-linux-2.25.1-1.x86_64

# setarch --help

Usage:
  setarch <arch> [options] [program [program arguments]]

Options:
  -v, --verbose            says what options are being switched on
  -R, --addr-no-randomize  disables randomization of the virtual address
space
  -F, --fdpic-funcptrs     makes function pointers point to descriptors
  -Z, --mmap-page-zero     turns on MMAP_PAGE_ZERO
  -L, --addr-compat-layout changes the way virtual memory is allocated
  -X, --read-implies-exec  turns on READ_IMPLIES_EXEC
  -B, --32bit              turns on ADDR_LIMIT_32BIT
  -I, --short-inode        turns on SHORT_INODE
  -S, --whole-seconds      turns on WHOLE_SECONDS
  -T, --sticky-timeouts    turns on STICKY_TIMEOUTS
  -3, --3gb                limits the used address space to a maximum of
3 GB
      --4gb                ignored (for backward compatibility only)
      --uname-2.6          turns on UNAME26
      --list               list settable architectures, and exit

  -h, --help     display this help and exit
  -V, --version  output version information and exit

For more details see setarch(8).




-- 
glen

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