Public bug reported:
Binary package hint: linux-source-2.6.17
Ok, a long time ago, while I was still using Dapper, I noticed that my
box wouldn't hibernate. I've tried everything at that time - hibernate2,
and various stuff, but with no success.
I'm now a happy Edgy user and have got a hitch to resurrect that broken
hibernation. It can't be that ubuntu's hibernation features are so bad.
It just returns to a locked session.
Recently, while I was using the tty consoles I noticed this message:
[17179585.036000] mISDN: INTERNAL ERROR in drivers/isdn/misdn/stack.c:596
After further inspection, I figured out that specific message is always
there if I grep the contents of dmesg with "misdnd", on every boot. I
then remembered that I have an Asuslink ISDN card in my box but I have
never used it - I may, eventually, if my DSL connection breaks or
something. Anyway, I have noticed that a failure related to mISDNd
appears when I attempt to hibernate :
[17181083.728000] Stopping tasks:
================================================== ===
[17181105.060000] stopping tasks timed out after 20 seconds (1 tasks remaining):
[17181105.060000] mISDNd
[17181105.060000] Restarting tasks...<6> Strange, mISDNd not stopped
...and I connected the dots. This module not only uselessly sits in
memory (as I don't use it), it causes trouble, too!
I rmmod them all:
[EMAIL PROTECTED]:~$ sudo rmmod mISDN_l1
[EMAIL PROTECTED]:~$ sudo rmmod mISDN_l2
[EMAIL PROTECTED]:~$ sudo rmmod w6692pci <---- this module depends on
mISDN_core so I have to rmmod it too
[EMAIL PROTECTED]:~$ sudo rmmod mISDN_core
Surprise, surprise! My system finally successfully hibernates for the
first time (I'm talking about plain hibernation, from Gnome exit menu).
Although I see two weird messages saying something about changing the
power state and failure to open something, it successfully hibernates,
and successfully resumes!
So the answer is blacklisting the module, but the thing is that this
module prevents hibernation on a stock, clean installation of Ubuntu.
Happened in Dapper, happens in Edgy. And third party software is
excluded, since I mentioned that it happens on a clean installation of
Edgy.
** Affects: linux-source-2.6.17 (Ubuntu)
Importance: Undecided
Status: Unconfirmed
--
mISDN kernel module prevents hibernating and other trouble
https://launchpad.net/bugs/76039
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