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Re: port-xen/47720: Kernel Panic on dom0 shutdown or reboot when using RAIDframe



The following reply was made to PR port-xen/47720; it has been noted by GNATS.

From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: port-xen-maintainer%NetBSD.org@localhost, gnats-admin%NetBSD.org@localhost,
        netbsd-bugs%NetBSD.org@localhost, kimtwain0%gmail.com@localhost
Subject: Re: port-xen/47720: Kernel Panic on dom0 shutdown or reboot when
 using RAIDframe
Date: Sat, 6 Apr 2013 11:21:47 +0200

 On Fri, Apr 05, 2013 at 11:15:01PM +0000, kimtwain0%gmail.com@localhost wrote:
 > [...]
 > >How-To-Repeat:
 > 1. Install NetBSD 6.0.1 on wd0
 > 2. Create a RAIDframe array (raid1) using wd1 and wd2
 > 3. Install xentools41, xenkernel41 and extract netbsd-XEN3_DOM0.gz (version 
 > 6.0.1) as /netbsd.dom0
 > 4. Add 
 > "xenbackendd=YES
 > xend=YES
 > xendomains=YES
 > xenwatchdog=YES" to /etc/rc.conf
 > 5. Create a new entry in /boot.cfg menu=Xen:load /netbsd.dom0 
 > console=pc;multiboot /usr/pkg/xen41-kernel/xen.gz dom0_mem=256M
 > 6. Reboot into xen
 > 7. Issue a shutdown or a reboot
 
 All my Xen servers have multiple raidframe on wd?, and I've never
 seen this, so there must be something else.
 
 On Sat, Apr 06, 2013 at 01:35:02AM +0000, Kim Twain wrote:
 >  kernel: page fault trap, code=0
 >  stopped in pid 34.1 (halt) at netbsd:bus_space_read_4+0x8: movl 0(%rdx),%eax
 >  bus_space_read_4() at netbsd:bus_space_read_4+0x8
 >  Xresume_xenev6() t netbsd:Xresume_xenev6+0x47
 >  --- interrupt ---
 
 Xresume_xenev6() doesn't call bus_space_read_4(), there is other
 functions in between, and this is the information missing.
 Can you try to rebuild the kernel with -O0, and maybe some -fno-...
 options, like -fno-optimize-sibling-calls
 
 
 -- 
 Manuel Bouyer <bouyer%antioche.eu.org@localhost>
      NetBSD: 26 ans d'experience feront toujours la difference
 --
 


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