I wouldn't call that broken but rather conservative in terms of power savings which is what many of us prefer to have on mobile platforms to extend battery life under normal circumstances. Besides, disabling power saving on specific devices is a simple editing of one configuration file and adding modules you do not wish to suspend at any time.
Back on topic, which is why is jack hanging so badly that you cannot even kill the process and what could be the solution. In other words, alternatives to an USB audio interface are not an option, and under these circumstances is this a case of poor packaging on Ubuntu's part, flaw in jack's design and if so is there an intention intend to fix this in some way by providing checks and balances within jack in case sound card disappears, or is this kernel/alsa/driver issue--in this case it is a lowlatency kernel. I'm not sure if I mentioned this in my original email but this is on 64bit Ubuntu 14.04. Jack devs, I would love to hear from you. Thank you.
--
Ivica Ico Bukvic, D.M.A.
Associate Professor
Computer Music
ICAT Senior Fellow
Director -- DISIS, L2Ork
Virginia Tech
School of Performing Arts – 0141
Blacksburg, VA 24061
(540) 231-6139
ico@xxxxxx
www.performingarts.vt.edu
disis.icat.vt.edu
l2ork.icat.vt.edu
Ico.bukvic.net
On Sat, 17 Oct 2015 15:19:06 -0400, Peter P. wrote:
>laptop-mode-tools
Yes, a mouse needs to be waked up manually every 3 seconds before you
can use it, but green drives still get waked up automatically, when they
should stay asleep. Power management is broken for Linux. Developers of
the not bloated environments pay attention, but those of the bloated
environments blame hardware vendors. However, it's not the hardware,
it's usually Linux bloatware that causes power management issues.
Getting rid of crappy Linux software and installing the good Linux
software solves such issues. However, energy-saving tools for laptops
shouldn't be installed when using the computer for real-time audio.
Regards,
Ralf
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