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kern/40426: wpi0 disappeer after suspend/resume

>Number:         40426
>Category:       kern
>Synopsis:       wpi0 disappeer after suspend/resume
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Jan 18 04:05:00 +0000 2009
>Originator:     Takahiro Kambe
>Release:        NetBSD 5.99.6
Takahiro Kambe
System: NetBSD 5.99.6 NetBSD 5.99.6 (CF-R-MODULAR) #6: Thu 
Jan 8 14:21:24 JST 2009 
Architecture: i386
Machine: i386
        My laptop, Panasonic CF-R5 suspend and resume fine with but wireless
        LAN (wpi) disappers after suspend/resume.

        * After suspend/resume it become unusable.
        * After that, wireless LAN interface wouldn't come back untill
          completely power off.  Even if Windows can't detect wireless LAN:

                1. Boot NetBSD.
                2. Suspend NetBSD
                3. Resume NetBSD.
                4. Reboot the system; shutdown -r now
                5. Boot Windows from boot selector.
                6. Windows can't detect the wireless LAN.

        With lspci command (by pkgsrc/pciutils) and other PCI bus utilities
        dosen't show wpi0 device completely after resume (until power off/on).

        Suspend and resume LAPTOP and try to use wireless LAN.



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