Panic on shutdown @r328436: "Unholding 6 with cnt = -559038242"

[Allan Jude]

On 2018-01-28 21:29, Warner Losh wrote:
> 
>     I've been seeing this today while working on my laptop.
> 
>     1) insert USB stick.
>     2) mount UFS partition to /mnt
>     3) copy a file off
>     4) umount /mnt
>     5) remove usb stick
>     6) instant panic
> 
>     Oddly, it is the same negative number every time (-559038242), so it
>     isn't random/memory corruption.
> 
> 
> 
> Is mount required?
> 
> Warner 
> 
> 
No, I just plugged the USB stick in, and then removed it 10 seconds
later, panic.

I've also seen it in VirtualBox when removing a virtual CD (.iso)


-- 
Allan Jude