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In Ubuntu Oneiric 11.10, I am seeing 100% CPU usage for Xorg right after
login. stracing the Xorg process shows this repeatedly:
ioctl(10, TCFLSH, 0x2) = -1 EIO (Input/output error)
read(13, 0x27bd7e0, 3456) = -1 EAGAIN (Resource temporarily
unavailable)
fd=10 is /dev/tty7 and fd=13 is /dev/ati/card0
On the outset, this bug looks similar to #439138, but unlike that bug, I
am unable to track down which startup service could have caused tty7 to
be stolen from X.
$ grep ^console /etc/init/*
/etc/init/failsafe.conf:console output
/etc/init/friendly-recovery.conf:console owner
/etc/init/mountall.conf:console output
/etc/init/mountall-shell.conf:console owner
/etc/init/oem-config.conf:console output
/etc/init/oem-config-debconf.conf:console output
/etc/init/plymouth-upstart-bridge.conf:console output
/etc/init/rc.conf:console output
/etc/init/rcS.conf:console owner
/etc/init/rc-sysinit.conf:console output
/etc/init/ufw.conf:console output
Logging out and logging in again fixes this problem. I'll be happy to
provide further information
** Affects: xorg-server (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment
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Xorg uses 100% CPU on first login
https://bugs.launchpad.net/bugs/922653
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is subscribed to xorg-server in Ubuntu.
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