Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 10 Jan 2014 17:01:19 -0600 (CST)
From:      Bryan Venteicher <bryanv@daemoninthecloset.org>
To:        Venkatesh Srinivas <venkateshs@google.com>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: UFS panic on Google Compute Engine
Message-ID:  <500471950.1780.1389394879799.JavaMail.root@daemoninthecloset.org>
In-Reply-To: <CAHdzE-8_%2BUooVuG3fPy2KtNiMG7K8WA8Ap-NpTeTU1Ok5qxVeg@mail.gmail.com>
References:  <CAHdzE-8_%2BUooVuG3fPy2KtNiMG7K8WA8Ap-NpTeTU1Ok5qxVeg@mail.gmail.com>

next in thread | previous in thread | raw e-mail | index | archive | help


----- Original Message -----
> We are looking in to this issue as well.
> 
> Could you try setting the sysctl kern.cam.da.<disk>.minimum_cmd_size
> to 10 and see if that works any better for you?
> 
> On 10 Jan 2014 Bryan Venteicher wrote:
> > On 9 Jan 2014 Julian Stecklina wrote:
> >> Also weird is that the same virtual disk pops up two times:
> ...
> > Odd, but they're different LUNs.
> 
> The doubled LUNs issue is actually a bug in the FreeBSD virtio-scsi
> driver, masked in QEMU but not in GCE; see kern pr/185626.
> 


Ah thanks. I think early pre-spec VirtIO SCSI QEMU used a different
addressing format and I ended up with an unfortunate mix of both.


> -- vs;
> _______________________________________________
> freebsd-stable@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-stable
> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
> 



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?500471950.1780.1389394879799.JavaMail.root>