Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-28 Thread Mike Galbraith
On Tue, 2017-03-28 at 20:27 +0300, Michael S. Tsirkin wrote: > On Tue, Mar 28, 2017 at 06:33:53PM +0200, Mike Galbraith wrote: > > On Tue, 2017-03-28 at 18:37 +0300, Michael S. Tsirkin wrote: > > > > > Anything specific that you do to trigger this? > > > > Nope, all I have to do is to poke kde

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-28 Thread Mike Galbraith
On Tue, 2017-03-28 at 20:27 +0300, Michael S. Tsirkin wrote: > On Tue, Mar 28, 2017 at 06:33:53PM +0200, Mike Galbraith wrote: > > On Tue, 2017-03-28 at 18:37 +0300, Michael S. Tsirkin wrote: > > > > > Anything specific that you do to trigger this? > > > > Nope, all I have to do is to poke kde

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-28 Thread Michael S. Tsirkin
On Tue, Mar 28, 2017 at 06:33:53PM +0200, Mike Galbraith wrote: > On Tue, 2017-03-28 at 18:37 +0300, Michael S. Tsirkin wrote: > > > Anything specific that you do to trigger this? > > Nope, all I have to do is to poke kde Power/Session Hibernate button. Oh so you actually start hypernate? Is

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-28 Thread Michael S. Tsirkin
On Tue, Mar 28, 2017 at 06:33:53PM +0200, Mike Galbraith wrote: > On Tue, 2017-03-28 at 18:37 +0300, Michael S. Tsirkin wrote: > > > Anything specific that you do to trigger this? > > Nope, all I have to do is to poke kde Power/Session Hibernate button. Oh so you actually start hypernate? Is

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-28 Thread Mike Galbraith
On Tue, 2017-03-28 at 18:37 +0300, Michael S. Tsirkin wrote: > Anything specific that you do to trigger this? Nope, all I have to do is to poke kde Power/Session Hibernate button. Not that it should matter, but the vm is a full clone of my 42.1 box, including git server/repos etc, so has all

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-28 Thread Mike Galbraith
On Tue, 2017-03-28 at 18:37 +0300, Michael S. Tsirkin wrote: > Anything specific that you do to trigger this? Nope, all I have to do is to poke kde Power/Session Hibernate button. Not that it should matter, but the vm is a full clone of my 42.1 box, including git server/repos etc, so has all

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-28 Thread Michael S. Tsirkin
On Tue, Mar 28, 2017 at 05:16:13AM +0200, Mike Galbraith wrote: > On Tue, 2017-03-28 at 05:35 +0300, Michael S. Tsirkin wrote: > > On Tue, Mar 28, 2017 at 03:08:20AM +0200, Mike Galbraith wrote: > > > On Mon, 2017-03-27 at 21:16 +0300, Michael S. Tsirkin wrote: > > > > > > > Mike, could you pls

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-28 Thread Michael S. Tsirkin
On Tue, Mar 28, 2017 at 05:16:13AM +0200, Mike Galbraith wrote: > On Tue, 2017-03-28 at 05:35 +0300, Michael S. Tsirkin wrote: > > On Tue, Mar 28, 2017 at 03:08:20AM +0200, Mike Galbraith wrote: > > > On Mon, 2017-03-27 at 21:16 +0300, Michael S. Tsirkin wrote: > > > > > > > Mike, could you pls

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-27 Thread Mike Galbraith
On Tue, 2017-03-28 at 05:35 +0300, Michael S. Tsirkin wrote: > On Tue, Mar 28, 2017 at 03:08:20AM +0200, Mike Galbraith wrote: > > On Mon, 2017-03-27 at 21:16 +0300, Michael S. Tsirkin wrote: > > > > > Mike, could you pls send lspci -vv that shows up after > > > boot? > > > > Presuming you mean

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-27 Thread Mike Galbraith
On Tue, 2017-03-28 at 05:35 +0300, Michael S. Tsirkin wrote: > On Tue, Mar 28, 2017 at 03:08:20AM +0200, Mike Galbraith wrote: > > On Mon, 2017-03-27 at 21:16 +0300, Michael S. Tsirkin wrote: > > > > > Mike, could you pls send lspci -vv that shows up after > > > boot? > > > > Presuming you mean

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-27 Thread Michael S. Tsirkin
On Tue, Mar 28, 2017 at 03:08:20AM +0200, Mike Galbraith wrote: > On Mon, 2017-03-27 at 21:16 +0300, Michael S. Tsirkin wrote: > > > Mike, could you pls send lspci -vv that shows up after > > boot? > > Presuming you mean the virtual box.. Yes. Hmm nothing strange here. Can you pls post your

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-27 Thread Michael S. Tsirkin
On Tue, Mar 28, 2017 at 03:08:20AM +0200, Mike Galbraith wrote: > On Mon, 2017-03-27 at 21:16 +0300, Michael S. Tsirkin wrote: > > > Mike, could you pls send lspci -vv that shows up after > > boot? > > Presuming you mean the virtual box.. Yes. Hmm nothing strange here. Can you pls post your

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-27 Thread Mike Galbraith
On Mon, 2017-03-27 at 21:16 +0300, Michael S. Tsirkin wrote: > Mike, could you pls send lspci -vv that shows up after > boot? Presuming you mean the virtual box.. 00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev 02) Subsystem: Red Hat, Inc Qemu virtual machine

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-27 Thread Mike Galbraith
On Mon, 2017-03-27 at 21:16 +0300, Michael S. Tsirkin wrote: > Mike, could you pls send lspci -vv that shows up after > boot? Presuming you mean the virtual box.. 00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev 02) Subsystem: Red Hat, Inc Qemu virtual machine

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-27 Thread Mike Galbraith
On Mon, 2017-03-27 at 19:05 +0200, Christoph Hellwig wrote: > Hi Mike, > > does the patch below fix that issue for you? Nope, warnings are alive and well. > diff --git a/drivers/virtio/virtio_pci_common.c > b/drivers/virtio/virtio_pci_common.c > index df548a6fb844..fd1b06368b1f 100644 > ---

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-27 Thread Mike Galbraith
On Mon, 2017-03-27 at 19:05 +0200, Christoph Hellwig wrote: > Hi Mike, > > does the patch below fix that issue for you? Nope, warnings are alive and well. > diff --git a/drivers/virtio/virtio_pci_common.c > b/drivers/virtio/virtio_pci_common.c > index df548a6fb844..fd1b06368b1f 100644 > ---

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-27 Thread Mike Galbraith
On Mon, 2017-03-27 at 19:05 +0200, Christoph Hellwig wrote: > Hi Mike, > > does the patch below fix that issue for you? Thanks, I'll give it a go in the A.M. BTW, WRT RT woes with $subject, I tried booting a generic kernel with threadirqs, and bingo, same deal, just a bit more painful than for

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-27 Thread Mike Galbraith
On Mon, 2017-03-27 at 19:05 +0200, Christoph Hellwig wrote: > Hi Mike, > > does the patch below fix that issue for you? Thanks, I'll give it a go in the A.M. BTW, WRT RT woes with $subject, I tried booting a generic kernel with threadirqs, and bingo, same deal, just a bit more painful than for

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-27 Thread Michael S. Tsirkin
On Mon, Mar 27, 2017 at 07:05:40PM +0200, Christoph Hellwig wrote: > Hi Mike, > > does the patch below fix that issue for you? > > diff --git a/drivers/virtio/virtio_pci_common.c > b/drivers/virtio/virtio_pci_common.c > index df548a6fb844..fd1b06368b1f 100644 > ---

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-27 Thread Michael S. Tsirkin
On Mon, Mar 27, 2017 at 07:05:40PM +0200, Christoph Hellwig wrote: > Hi Mike, > > does the patch below fix that issue for you? > > diff --git a/drivers/virtio/virtio_pci_common.c > b/drivers/virtio/virtio_pci_common.c > index df548a6fb844..fd1b06368b1f 100644 > ---

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-27 Thread Christoph Hellwig
Hi Mike, does the patch below fix that issue for you? diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c index df548a6fb844..fd1b06368b1f 100644 --- a/drivers/virtio/virtio_pci_common.c +++ b/drivers/virtio/virtio_pci_common.c @@ -176,7 +176,7 @@ static int

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-27 Thread Christoph Hellwig
Hi Mike, does the patch below fix that issue for you? diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c index df548a6fb844..fd1b06368b1f 100644 --- a/drivers/virtio/virtio_pci_common.c +++ b/drivers/virtio/virtio_pci_common.c @@ -176,7 +176,7 @@ static int

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-27 Thread Mike Galbraith
On Thu, 2017-03-23 at 15:56 +0100, Christoph Hellwig wrote: > Does the patch from Jason in the > > "[REGRESSION] 07ec51480b5e ("virtio_pci: use shared interrupts for > virtqueues") causes crashes in guest" > > thread fix the issue for you? That seems to eliminate explosions, but not the below.

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-27 Thread Mike Galbraith
On Thu, 2017-03-23 at 15:56 +0100, Christoph Hellwig wrote: > Does the patch from Jason in the > > "[REGRESSION] 07ec51480b5e ("virtio_pci: use shared interrupts for > virtqueues") causes crashes in guest" > > thread fix the issue for you? That seems to eliminate explosions, but not the below.

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-23 Thread Richard W.M. Jones
On Thu, Mar 23, 2017 at 03:56:22PM +0100, Christoph Hellwig wrote: > Does the patch from Jason in the > > "[REGRESSION] 07ec51480b5e ("virtio_pci: use shared interrupts for > virtqueues") causes crashes in guest" > > thread fix the issue for you? In brief, yes it does. I followed up on that

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-23 Thread Richard W.M. Jones
On Thu, Mar 23, 2017 at 03:56:22PM +0100, Christoph Hellwig wrote: > Does the patch from Jason in the > > "[REGRESSION] 07ec51480b5e ("virtio_pci: use shared interrupts for > virtqueues") causes crashes in guest" > > thread fix the issue for you? In brief, yes it does. I followed up on that

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-23 Thread Thorsten Leemhuis
On 23.03.2017 15:56, Christoph Hellwig wrote: > Does the patch from Jason in the > "[REGRESSION] 07ec51480b5e ("virtio_pci: use shared interrupts for > virtqueues") causes crashes in guest" > thread fix the issue for you? Ha, sorry, I'm travelling and wasn't aware that Laura earlier today did

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-23 Thread Thorsten Leemhuis
On 23.03.2017 15:56, Christoph Hellwig wrote: > Does the patch from Jason in the > "[REGRESSION] 07ec51480b5e ("virtio_pci: use shared interrupts for > virtqueues") causes crashes in guest" > thread fix the issue for you? Ha, sorry, I'm travelling and wasn't aware that Laura earlier today did

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-23 Thread Richard W.M. Jones
On Thu, Mar 23, 2017 at 03:56:22PM +0100, Christoph Hellwig wrote: > Does the patch from Jason in the > > "[REGRESSION] 07ec51480b5e ("virtio_pci: use shared interrupts for > virtqueues") causes crashes in guest" > > thread fix the issue for you? I didn't see this thread before. I'll check

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-23 Thread Richard W.M. Jones
On Thu, Mar 23, 2017 at 03:56:22PM +0100, Christoph Hellwig wrote: > Does the patch from Jason in the > > "[REGRESSION] 07ec51480b5e ("virtio_pci: use shared interrupts for > virtqueues") causes crashes in guest" > > thread fix the issue for you? I didn't see this thread before. I'll check

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-23 Thread Richard W.M. Jones
On Thu, Mar 23, 2017 at 03:51:25PM +0100, Thorsten Leemhuis wrote: > Hi Christoph! Hi Michael! > > (Mail roughly based on text from > https://bugzilla.kernel.org/show_bug.cgi?id=194911 ) > > I'm seeing random crashes during boot every few boot attempts when > running Linux 4.11-rc/mainline in a

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-23 Thread Richard W.M. Jones
On Thu, Mar 23, 2017 at 03:51:25PM +0100, Thorsten Leemhuis wrote: > Hi Christoph! Hi Michael! > > (Mail roughly based on text from > https://bugzilla.kernel.org/show_bug.cgi?id=194911 ) > > I'm seeing random crashes during boot every few boot attempts when > running Linux 4.11-rc/mainline in a

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-23 Thread Christoph Hellwig
Does the patch from Jason in the "[REGRESSION] 07ec51480b5e ("virtio_pci: use shared interrupts for virtqueues") causes crashes in guest" thread fix the issue for you?

Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

2017-03-23 Thread Christoph Hellwig
Does the patch from Jason in the "[REGRESSION] 07ec51480b5e ("virtio_pci: use shared interrupts for virtqueues") causes crashes in guest" thread fix the issue for you?

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