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/sclpconsole.c| 7 ++-
qemu-char.c | 27
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 graa...@linux.vnet.ibm.com
---
hw/char/sclpconsole.c | 7 ++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/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 graa...@linux.vnet.ibm.com
---
hw/char/sclpconsole-lm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/char
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 graa...@linux.vnet.ibm.com
---
qemu-char.c | 27 ++-
1 file
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 active
dataplane thread.
When a character backend
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
the complete core_backtrace ...
On 02/04/14 19:40, Markus Armbruster wrote:
Heinz Graalfs graa...@linux.vnet.ibm.com writes:
On 01/04/14 17:48, Markus Armbruster wrote:
Heinz Graalfs graa...@linux.vnet.ibm.com writes:
Hi Kevin,
doing a
virsh detach-device ...
ends up
On 02/04/14 19:40, Markus Armbruster wrote:
Heinz Graalfs graa...@linux.vnet.ibm.com writes:
On 01/04/14 17:48, Markus Armbruster wrote:
Heinz Graalfs graa...@linux.vnet.ibm.com writes:
Hi Kevin,
doing a
virsh detach-device ...
ends up in the following QEMU monitor commands:
1
On 01/04/14 17:48, Markus Armbruster wrote:
Heinz Graalfs graa...@linux.vnet.ibm.com 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
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,
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?
No, it wasn't. I guess I was waiting for a new
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 32 bytes from a 2048 bytes formatted
disk. This results
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 graa...@linux.vnet.ibm.com
While testing IPL code (booting) for s390x we
On Wed, 2012-11-21 at 10:15 +0100, Kevin Wolf wrote:
Am 21.11.2012 09:58, schrieb Christian Borntraeger:
From: Heinz Graalfs graa...@linux.vnet.ibm.com
While testing IPL code (booting) for s390x we faced some problems
with cache=none on dasds (4k block size) on bdrv_preads with length
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 graa...@linux.vnet.ibm.com
While testing IPL code (booting) for s390x we faced some problems
with cache=none
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
From: Cornelia Huck cornelia.h...@de.ibm.com
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 cornelia.h...@de.ibm.com
---
virtio-spec.lyx | 28 +---
1 file changed, 25
On Tue, 2012-07-31 at 14:59 +0200, Andreas Färber wrote:
Am 24.07.2012 09:37, schrieb Christian Borntraeger:
From: Heinz Graalfs graa...@linux.vnet.ibm.com
Several SCLP features are considered to be events. Those events don't
provide SCLP commands on their own, instead they are all
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 graa...@linux.vnet.ibm.com
This adds a more generic infrastructure for handling Service-Call
requests on s390
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 graa...@linux.vnet.ibm.com
Several SCLP features are considered to be events. Those events don't
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 Graalfsgraa...@linux.vnet.ibm.com
This patch implements a subset of the sclp event facility as well
as the signal quiesce event. This allows to
On Tue, 2012-06-12 at 13:52 +0200, Alexander Graf wrote:
On 06/06/2012 02:05 PM, Jens Freimann wrote:
From: Heinz Graalfsgraa...@linux.vnet.ibm.com
Adds console support (in vt220 mode).
In order to run qemu exploiting the SCLP's console functionality in vt220
mode
the user has to
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