[Bug 3664] WLAN cards and suspend sometimes don't mix

[bugzilla-daemon at treke.net]

http://bugs.openembedded.org/show_bug.cgi?id=3664


Stanislav Brabec <utx at penguin.cz> changed:

           What    |Removed                     |Added
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                 CC|                            |utx at penguin.cz




--- Comment #12 from Stanislav Brabec <utx at penguin.cz>  2008-01-14 02:55:39 ---
I am using very simple hack: Unconditional "eject echo" directly to sysfs in
the apm scripts. As wrote above, it needs system specific slot number (or
check) to never eject rootfs or internal HDD.

To Thomas Kunze: hostap kernel driver never remembered the firmware. It is
downloaded directly from the userspace to the card. And the card forgets it
when power goes down. Implementing "remember firware image and upload it on
resume" would be a bit expensive (needs to store a copy of the firware image in
the kernel memory and implement upload logic).

Does anybody know, whether following scenario could be dangerous without card
eject:
1. Insert memory card to the external slot.
2. Write some data to it.
3. Suspend.
4. Take the card apart, put into another machine and write something to it.
5. Put the card back.
6. Resume.


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