[ltp] System sometimes doesn't wake up

Felix E. Klee linux-thinkpad@linux-thinkpad.org
Thu, 14 Jun 2007 15:12:01 +0200


I've a GlobeTrotter Fusion Quad Lite UMTS card that I use in a IBM
ThinkPad T41 (32bit, Slackware 10.2, kernel 2.6.14.4).  The problem:
With the card inserted, my system randomly doesn't wake up from Suspend
to RAM.  My Suspend to RAM script - roughly:

  sync
  cardctl eject
  rmmod uhci_hcd
  rmmod ehci_hcd
  # The script always gets to here
  echo mem >/sys/power/state
  # The script sometimes doesn't get to here
  modprobe uhci_hcd
  modprobe ehci_hcd
  cardctl insert

What could be the reason? Is my suspend script bad? Or could it be a
hardware issue? Maybe it's just a coincidence that the system crashes
when the card is inserted.

-- 
Felix E. Klee
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