[Grml] Re: Suspend resume bugs

Michael Prokop mika at grml.org
Mon May 21 23:52:54 CEST 2007

* Mark <27e3kk302 at sneakemail.com> [20070521 23:41]:

> > And what's the news?

> I gave it:

> > > (So USB_CONFIG_SUSPEND may cause issues with hardware devices, which
> > > kernel upgrades alone won't fix, only driver upgrades, one per device.)

> The news is, grml should probably stop advising kernel upgrades to chase
> suspend/resume problems.  As Linus says, they are 99% driver bugs. 

Sure, and those driver bugfixes are part of kernel upgrades.

> Unless the kernel upgrade incorporates new drivers, it won't do much,
> and will probably add bugs of its own.

New drivers? We are talking about bugfixes....

> > Sure, and CONFIG_ACPI "may cause issues with hardware devices" too.

> But CONFIG_ACPI is not considered experimental by the kernel devs like

> We're more likely to recompile grml 2.6.20 with our own flags, than
> upgrade the kernel to 2.6.21.  If we do that I'll let everyone know
> whether it worked.

If CONFIG_USB_SUSPEND causes problems on specific hardware (what's
the case) there's a bug somewhere. The fix for grml/upstream (what
*you* do is your very own choice) is not disabling an option but to
locate and fix the bug. Disabling such an important configuration
option in general is the very last option.

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