em(4) hardware error after ACPI suspend

Matthias Schmidt matthias at dragonflybsd.org
Sun Jan 27 02:27:51 PST 2008

* Sepherosa Ziehau wrote:
> On Jan 27, 2008 5:13 PM, Matthias Schmidt <matthias at dragonflybsd.org> wrote:
> Don't have much idea about how ACPI suspend/resume works.  But it
> looks like it calls device attach routine.  And the above debug log is
> benign.  Does it mean you will have to manually ifconfig em0 up again
> after resuming?

ifconfig after a resume will not help.  The device is completely
unusable after the resume.  I don't even see an em0 device after a



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