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Re: kern/54253: disk mis-detection panic on HP Pavilion w/NVIDIA chipset



The following reply was made to PR kern/54253; it has been noted by GNATS.

From: "John D. Baker" <jdbaker%consolidated.net@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/54253: disk mis-detection panic on HP Pavilion w/NVIDIA
 chipset
Date: Fri, 31 May 2019 10:03:23 -0500 (CDT)

 It seems most likely to do this after power-on.  If one disables "atabus",
 the machine will boot (netboot).  On warm reboot, it may succeed without
 disabling devices.
 
 The machine has a PS/2 keyboard, so even though the screen is black
 (panic occurs while "nouveau" is taking over the display) one can type
 blindly at the DDB prompt to reset the machine and try again.
 
 The "stge(4)" note may be a red herring.  Disabling stge in userconf has
 no effect on the panic.
 
 -- 
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