[Bug 614274] Re: modem-manager fails to recognize 3G modem after suspend/resume

[Kamal Mostafa]

@Hans-Gerd, I do think that its possible that the BIOS version could
affect the problem here...  The intermittent nature of the problem, the
theory that inserting a delay in the resume sequence helps, and the fact
that the newer T61's don't seem to ever exhibit the problem makes me
think that the root cause is likely to be a race condition that Lenovo
may have since corrected.  It could be that the problem didn't manifest
on your previous linux systems just due to luck -- that the kernel's
suspend/resume timing just didn't happen to hit the race condition.
Anyway, its one more variable that we can easily test, so I think its
worth testing.

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modem-manager fails to recognize 3G modem after suspend/resume
https://bugs.launchpad.net/bugs/614274
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