Re: kern/53506: Easy trigger of "panic: biodone2 already" on NetBSD 8.0 Xen domU

[manu%netbsd.org@localhost (Emmanuel Dreyfus)]

The following reply was made to PR port-xen/53506; it has been noted by GNATS.

From: manu%netbsd.org@localhost (Emmanuel Dreyfus)
To: gnats-bugs%NetBSD.org@localhost, jdolecek%NetBSD.org@localhost, gnats-admin%netbsd.org@localhost,
 netbsd-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/53506: Easy trigger of "panic: biodone2 already" on NetBSD 8.0 Xen domU
Date: Tue, 21 Aug 2018 02:54:26 +0200

 Jarom=EDr Dole?ek <jaromir.dolecek%gmail.com@localhost> wrote:
 
 >  I've noticed there is possibly missing splbio()/splx() in
 >  xbd_diskstart(). Can you try if following patch (without your changes)
 >  changes the behaviour?
 > =20
 >  http://www.netbsd.org/~jdolecek/xbd_diskstart_splbio.diff
 
 It also works around the panic biodone2 already. It seems my patch was
 enough to win a race but yours is the right fix. Will you commit this
 change and pullup to netbsd-8 (I tested on netbsd-8-0-RELEASE)?
 
 --=20
 Emmanuel Dreyfus
 http://hcpnet.free.fr/pubz
 manu%netbsd.org@localhost