Comment 3 for bug 765850

Disregard previous comment, I had removed the xorg xonf file to debug and forgotten to add rotate in xorg.conf.

The following is the correct output of ltrace:
ltrace xrandr -o left
__libc_start_main(0x804bc40, 3, 0xbfd74354, 0x80511c0, 0x8051220 <unfinished ...>
strcmp("--rate", "-o") = -1
strcmp("--refresh", "-o") = -1
strcmp("--version", "-o") = -1
strcmp("--screen", "-o") = -1
strcmp("--query", "-o") = -1
strtol(0xbfd7539f, 0xbfd74204, 10, 0xb77cbc85, 5) = 0
strcmp("normal", "left") = 1
strcmp("left", "left") = 0
XOpenDisplay(NULL) = 0x0999e008
XRRQueryExtension(0x999e008, 0xbfd7421c, 0xbfd74218, 0xb77cbc85, 5) = 1
XRRQueryVersion(0x999e008, 0xbfd7420c, 0xbfd74208, 0xb77cbc85, 5) = 1
XRRGetScreenInfo(0x999e008, 637, 0xbfd74208, 0xb77cbc85, 5) = 0x99ab140
XRRConfigCurrentConfiguration(0x99ab140, 0xbfd7422a, 0xbfd74208, 0xb77cbc85, 5) = 0
XRRConfigSizes(0x99ab140, 0xbfd74224, 0xbfd74208, 0xb77cbc85, 5) = 0x99ab16c
XRRConfigCurrentRate(0x99ab140, 0xbfd74224, 0xbfd74208, 0xb77cbc85, 5) = 50
XRRConfigRotations(0x99ab140, 0xbfd7422a, 0xbfd74208, 0xb77cbc85, 5) = 15
XSelectInput(0x999e008, 637, 131072, 0xb77cbc85, 5) = 1
XRRSelectInput(0x999e008, 637, 1, 0xb77cbc85, 5) = 0
XRRSetScreenConfigAndRate(0x999e008, 0x99ab140, 637, 0, 2X Error of failed request: BadValue (integer parameter out of range for operation)
  Major opcode of failed request: 154 (RANDR)
  Minor opcode of failed request: 2 (RRSetScreenConfig)
  Value in failed request: 0x4b0
  Serial number of failed request: 14
  Current serial number in output stream: 14
 <unfinished ...>
+++ exited (status 1) +++