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Sistemas con procesador Intel® Xeon® E5 se cuelgan despues de la actualizacion a Red Hat Enterprise Linux 6

Solution Verified - Updated -

Issue

  • Sistemas Red Hat Enterprise Linux 6.2, 6.3, and 6.4 pueden colgarse en maquinas con procesadores Intel® Xeon® E5.
  • El vendedor del hardware monitoreando muestra ningun problema pero el sistema operativo aparentemente se cuelga.
  • una tarea contask blocked for more than 120 seconds es desplegada en la consola con el siguiente call trace:
Call Trace:
 [<ffffffffa008fbf0>] ? ext4_file_open+0x0/0x130 [ext4]
 [<ffffffff8150e635>] schedule_timeout+0x215/0x2e0
 [<ffffffff8117e514>] ? nameidata_to_filp+0x54/0x70
 [<ffffffff812772c9>] ? cpumask_next_and+0x29/0x50
 [<ffffffff8150e2b3>] wait_for_common+0x123/0x180
 [<ffffffff81063310>] ? default_wake_function+0x0/0x20
 [<ffffffff8150e3cd>] wait_for_completion+0x1d/0x20
 [<ffffffff8106513c>] sched_exec+0xdc/0xe0
 [<ffffffff8118a0a0>] do_execve+0xe0/0x2c0
 [<ffffffff810095ea>] sys_execve+0x4a/0x80
 [<ffffffff8100b4ca>] stub_execve+0x6a/0xc0

Environment

  • Red Hat Enterprise Linux 6.2, 6.3, y 6.4 (kernel 2.6.32-220, 2.6.32-279, and 2.6.32-358 series)
  • Intel® Xeon® E5 series processor

Este problema a sido observado en los siguiente ambientes (se piensa que esto ocurre con cualquier procesador Intel® Xeon® E5 series):

RHEL6.3 kernel version     | CPU model
---------------------------|------------------------------------------
2.6.32-220.el6.x86_64      | Intel(R) Xeon(R) CPU E5-2650 0 @ 2.00GHz

RHEL6.3 kernel version     | CPU model
---------------------------|------------------------------------------
2.6.32-279.22.1.el6.x86_64 | Intel(R) Xeon(R) CPU E5-2640 0 @ 2.50GHz

RHEL6.4 kernel version     | CPU model
---------------------------|------------------------------------------
2.6.32-358.el6.x86_64      | Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz
2.6.32-358.0.1.el6.x86_64  | Intel(R) Xeon(R) CPU E5-2640 0 @ 2.50GHz
2.6.32-358.6.1.el6.x86_64  | Intel(R) Xeon(R) CPU E5-2640 0 @ 2.50GHz
2.6.32-358.6.2.el6.x86_64  | Intel(R) Xeon(R) CPU E5-2650L 0 @ 1.80GHz
2.6.32-358.6.2.el6.x86_64  | Intel(R) Xeon(R) CPU E5-2603 0 @ 1.80GHz

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