Hi.
I found a kernel bug report (
https://bugzilla.kernel.org/show_bug.cgi?id=48951 ) with a possible
workaround ( https://bugzilla.kernel.org/show_bug.cgi?id=48951#c20 ),
but there are some relevant points to make:
- I only found it when running Arch Linux where, for whatever reason,
dmesg showed an error code (134217730) that I did not see on Ubuntu. It
is possible it did not show up when I did a dmesg | grep PM .
- I do not know if this udev rule (the workaround) has any side effects beyond
"making suspend work":
ACTION=="add", SUBSYSTEM=="scsi", ENV{DEVTYPE}=="scsi_target",
ATTR{power/async}="disabled"
- I have only tested it on Arch, where it Works For Me.
I can test it out on Ubuntu (within a few days or so) if you'd like, but it
sounds like the kernel folks are working on a solution, so maybe that will not
be necessary?
** Bug watch added: Linux Kernel Bug Tracker #48951
http://bugzilla.kernel.org/show_bug.cgi?id=48951
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https://bugs.launchpad.net/bugs/1102784
Title:
suspend sometimes takes 60+ seconds; other times fails
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