Okay that's weird I'm gonna have to take another look...
> On February 23, 2016 at 4:49 PM Thomas Lamprecht <t.lampre...@proxmox.com>
> wrote:
>
>
>
> This patch makes it work for me again.
>
> Although I still get this warning, fyi:
>
> > WARNING: Image format was not specified for
> > 'rbd:test/vm-119-disk-1:mon_host=10.10.10.1;10.10.10.2;10.10.10.3:id=admin:auth_supported=cephx:keyring=/etc/pve/priv/ceph/ceph_store.keyring'
> > and probing guessed raw.
> > Automatically detecting the format is dangerous for raw
> > images, write operations on block 0 will be restricted.
> > Specify the 'raw' format explicitly to remove the restrictions.
>
>
> On 02/23/2016 04:16 PM, Wolfgang Bumiller wrote:
> > ---
> > This should fix the problem reported in forum thread 26108.
> > (`Unknown driver 'keyring'`)
> >
> > See the patch commit message below for details.
> >
> > ...-vma-better-driver-guessing-for-bdrv_open.patch | 40
> > ++++++++++++++++++++++
> > debian/patches/series | 1 +
> > 2 files changed, 41 insertions(+)
> > create mode 100644
> > debian/patches/pve/0043-vma-better-driver-guessing-for-bdrv_open.patch
>
> Tested-by: Thomas Lamprecht <t.lampre...@proxmox.com>
>
> >
> > diff --git
> > a/debian/patches/pve/0043-vma-better-driver-guessing-for-bdrv_open.patch
> > b/debian/patches/pve/0043-vma-better-driver-guessing-for-bdrv_open.patch
> > new file mode 100644
> > index 0000000..73e7ad3
> > --- /dev/null
> > +++ b/debian/patches/pve/0043-vma-better-driver-guessing-for-bdrv_open.patch
> > @@ -0,0 +1,40 @@
> > +From dfcf4c6da567aedfc0ebebf95f1d069187a9e8ed Mon Sep 17 00:00:00 2001
> > +From: Wolfgang Bumiller <w.bumil...@proxmox.com>
> > +Date: Tue, 23 Feb 2016 15:48:41 +0100
> > +Subject: [PATCH] vma: better driver guessing for bdrv_open
> > +
> > +Only use 'raw' when the file actually ends with .raw and
> > +no protocol has been specified similar to how it happens
> > +in bdrv_fill_options() called by bdrv_options().
> > +Other formats are recognized fine by filename (including
> > +qcow2 and "rbd:..." strings).
> > +---
> > + vma.c | 12 ++++++++----
> > + 1 file changed, 8 insertions(+), 4 deletions(-)
> > +
> > +diff --git a/vma.c b/vma.c
> > +index cc48013..1db9bc7 100644
> > +--- a/vma.c
> > ++++ b/vma.c
> > +@@ -301,10 +301,14 @@ static int extract_content(int argc, char **argv)
> > +
> > + BlockDriverState *bs = bdrv_new();
> > +
> > +- const char *tmp = g_strrstr(devfn, ".");
> > +- const char *format = (tmp == NULL) ? "raw" : ++tmp;
> > +- QDict *options = qdict_new();
> > +- qdict_put(options, "driver", qstring_from_str(format));
> > ++ size_t devlen = strlen(devfn);
> > ++ QDict *options = NULL;
> > ++ if (devlen > 4 && strcmp(devfn+devlen-4, ".raw") == 0 &&
> > ++ !path_has_protocol(devfn))
> > ++ {
> > ++ options = qdict_new();
> > ++ qdict_put(options, "driver", qstring_from_str("raw"));
> > ++ }
> > +
> > + if (errp || bdrv_open(&bs, devfn, NULL, options, flags, &errp)) {
> > + g_error("can't open file %s - %s", devfn,
> > +--
> > +2.1.4
> > +
> > diff --git a/debian/patches/series b/debian/patches/series
> > index 8a61d6b..379f0d1 100644
> > --- a/debian/patches/series
> > +++ b/debian/patches/series
> > @@ -40,6 +40,7 @@
> > pve/0039-qapi-qmp_mashal_-renames-for-get_link_status.patch
> > pve/0040-vnc-make-x509-imply-tls-again.patch
> > pve/0041-PVE-VNC-authentication.patch
> > pve/0042-vma-writer-don-t-bail-out-on-zero-length-files.patch
> > +pve/0043-vma-better-driver-guessing-for-bdrv_open.patch
> > extra/CVE-2015-8558-ehci_make_idt_processing_more_robust.patch
> > extra/CVE-2015-8613-scsi-initialize-info-object.patch
> > extra/CVE-2015-8701-net-rocker-off-by-one.patch
>
>
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