On 24/10/14 11:15, Paolo Bonzini wrote:
> On 10/24/2014 10:13 AM, Heinz Graalfs wrote:
>> On s390 one can observe system hang situations wrt console input when
>> using 'dataplane=on'.
>>
>> dataplane processing causes an inactive main thread and an act
; to ask
the frontend if it is ready. Scheduling a timeout callback on poll() ends
when the frontend returns a non negative value on 'can_read'.
Frontends still returning zero on 'can_read' or without such callback are
not affected.
Signed-off-by: Heinz Graalfs
---
qemu-char.c
Exploit the new can_read timeout infrastructure in order to avoid
hangs when no further activity happens on the main thread.
Signed-off-by: Heinz Graalfs
---
hw/char/sclpconsole-lm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/char/sclpconsole-lm.c b/hw/char
Exploit the new can_read timeout infrastructure in order to avoid
hangs when no further activity happens on the main thread.
Signed-off-by: Heinz Graalfs
---
hw/char/sclpconsole.c | 7 ++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/hw/char/sclpconsole.c b/hw/char
now returns -EAGAIN on 'can_read' to avoid a potential hang.
Heinz Graalfs (3):
char: Trigger timeouts on poll() when frontend is unready
s390x: Fix hanging SCLP line mode console
s390x: Avoid hanging SCLP ASCII console
hw/char/sclpconsole-lm.c | 4 ++--
hw/char/sclpc
On 23/04/14 15:01, Stefan Hajnoczi wrote:
On Fri, Apr 11, 2014 at 02:47:20PM +0200, Heinz Graalfs wrote:
Hello Markus,
I finally managed to reproduce the problem, at least once ...
The scenario was:
dd if=/dev/vdx1 of=partitionone
followed by a virsh detach... (with the device_del() under
...
see below the complete core_backtrace ...
On 02/04/14 19:40, Markus Armbruster wrote:
Heinz Graalfs writes:
On 01/04/14 17:48, Markus Armbruster wrote:
Heinz Graalfs writes:
Hi Kevin,
doing a
virsh detach-device ...
ends up in the following QEMU monitor commands:
1. device_
On 02/04/14 19:40, Markus Armbruster wrote:
Heinz Graalfs writes:
On 01/04/14 17:48, Markus Armbruster wrote:
Heinz Graalfs writes:
Hi Kevin,
doing a
virsh detach-device ...
ends up in the following QEMU monitor commands:
1. device_del ...
2. drive_del ...
qmp_device_del
On 01/04/14 17:48, Markus Armbruster wrote:
Heinz Graalfs writes:
Hi Kevin,
doing a
virsh detach-device ...
ends up in the following QEMU monitor commands:
1. device_del ...
2. drive_del ...
qmp_device_del() performs the device unplug path.
In case of a block device do_drive_del
Hi Kevin,
doing a
virsh detach-device ...
ends up in the following QEMU monitor commands:
1. device_del ...
2. drive_del ...
qmp_device_del() performs the device unplug path.
In case of a block device do_drive_del() tries to
prevent further IO against the host device.
However, bdrv_fi
On Tue, 2012-12-11 at 11:30 +0100, Kevin Wolf wrote:
> Am 11.12.2012 10:58, schrieb Heinz Graalfs:
> > Hi Kevin,
> >
> > I'm using the bdrv_pread() function during boot partition detection ...
> >
> > In detail:
> > bdrv_pread() is called to read 3
for a
O_DIRECT opened file, and produces the error.
Heinz
On Mon, 2012-12-10 at 09:55 +0100, Kevin Wolf wrote:
> Am 07.12.2012 21:26, schrieb Heinz Graalfs:
> > Hello Kevin,
> >
> > I'm resending my answer as of Nov 23rd.
> >
> > Is this still on your queue
Hello Kevin,
I'm resending my answer as of Nov 23rd.
Is this still on your queue?
Heinz
On Wed, 2012-11-21 at 10:15 +0100, Kevin Wolf wrote:
> Am 21.11.2012 09:58, schrieb Christian Borntraeger:
> > From: Heinz Graalfs
> >
> > While testing IPL code (bootin
On Wed, 2012-11-21 at 10:15 +0100, Kevin Wolf wrote:
> Am 21.11.2012 09:58, schrieb Christian Borntraeger:
> > From: Heinz Graalfs
> >
> > While testing IPL code (booting) for s390x we faced some problems
> > with cache=none on dasds (4k block size) on bdrv_preads with
On Wed, 2012-11-21 at 11:00 +0100, Christian Borntraeger wrote:
> On 21/11/12 10:15, Kevin Wolf wrote:
> > Am 21.11.2012 09:58, schrieb Christian Borntraeger:
> >> From: Heinz Graalfs
> >>
> >> While testing IPL code (booting) for s390x we faced some proble
From: Cornelia Huck
Add a ccw to specify the location of indicators for configuration
changes and notice how they are to be used.
Signed-off-by: Cornelia Huck
---
virtio-spec.lyx | 28 +---
1 file changed, 25 insertions(+), 3 deletions(-)
diff --git a/virtio-spec.lyx b
Rusty, here is Conny's virtio spec amendment.
Cornelia Huck (1):
virtio-ccw: Add secondary indicators.
virtio-spec.lyx | 28 +---
1 file changed, 25 insertions(+), 3 deletions(-)
--
1.7.11.5
Alex, some more answers for a couple of leftovers.
Heinz
On Mon, 2012-07-30 at 15:24 +0200, Alexander Graf wrote:
> On 24.07.2012, at 09:37, Christian Borntraeger wrote:
>
> > From: Heinz Graalfs
> >
> > Several SCLP features are considered to be events. Those event
Hi Alex,
there was one leftover ...
On Mon, 2012-07-30 at 14:38 +0200, Alexander Graf wrote:
> On 24.07.2012, at 09:37, Christian Borntraeger wrote:
>
> > From: Heinz Graalfs
> >
> > This adds a more generic infrastructure for handling Service-Call
> > reque
On Tue, 2012-07-31 at 14:59 +0200, Andreas Färber wrote:
> Am 24.07.2012 09:37, schrieb Christian Borntraeger:
> > From: Heinz Graalfs
> >
> > Several SCLP features are considered to be events. Those events don't
> > provide SCLP commands on their own, instea
On Tue, 2012-06-12 at 13:52 +0200, Alexander Graf wrote:
> On 06/06/2012 02:05 PM, Jens Freimann wrote:
> > From: Heinz Graalfs
> >
> > Adds console support (in vt220 mode).
> > In order to run qemu exploiting the SCLP's console functionality in vt220
> >
Alex, thanks for the comments,
On Tue, 2012-06-12 at 13:38 +0200, Alexander Graf wrote:
> On 06/06/2012 02:05 PM, Jens Freimann wrote:
> > From: Heinz Graalfs
> >
> > This patch implements a subset of the sclp event facility as well
> > as the signal quiesce event
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