Re: VMs freezing when host is running 4.14

2018-02-14 Thread Paolo Bonzini
On 14/02/2018 03:04, Josh Poimboeuf wrote: > On Sun, Feb 11, 2018 at 02:39:41PM +0100, Marc Haber wrote: >> Hi, >> >> after in total nine weeks of bisecting, broken filesystems, service >> outages (thankfully on unportant systems), 4.15 seems to have fixed the >> issue. After going to 4.15, the

Re: VMs freezing when host is running 4.14

2018-02-14 Thread Paolo Bonzini
On 14/02/2018 03:04, Josh Poimboeuf wrote: > On Sun, Feb 11, 2018 at 02:39:41PM +0100, Marc Haber wrote: >> Hi, >> >> after in total nine weeks of bisecting, broken filesystems, service >> outages (thankfully on unportant systems), 4.15 seems to have fixed the >> issue. After going to 4.15, the

Re: VMs freezing when host is running 4.14

2018-02-13 Thread Josh Poimboeuf
On Wed, Feb 14, 2018 at 10:56:35AM +0800, Haozhong Zhang wrote: > On 02/13/18 20:04 -0600, Josh Poimboeuf wrote: > > On Sun, Feb 11, 2018 at 02:39:41PM +0100, Marc Haber wrote: > > > Hi, > > > > > > after in total nine weeks of bisecting, broken filesystems, service > > > outages (thankfully on

Re: VMs freezing when host is running 4.14

2018-02-13 Thread Josh Poimboeuf
On Wed, Feb 14, 2018 at 10:56:35AM +0800, Haozhong Zhang wrote: > On 02/13/18 20:04 -0600, Josh Poimboeuf wrote: > > On Sun, Feb 11, 2018 at 02:39:41PM +0100, Marc Haber wrote: > > > Hi, > > > > > > after in total nine weeks of bisecting, broken filesystems, service > > > outages (thankfully on

Re: VMs freezing when host is running 4.14

2018-02-13 Thread Haozhong Zhang
On 02/13/18 20:04 -0600, Josh Poimboeuf wrote: > On Sun, Feb 11, 2018 at 02:39:41PM +0100, Marc Haber wrote: > > Hi, > > > > after in total nine weeks of bisecting, broken filesystems, service > > outages (thankfully on unportant systems), 4.15 seems to have fixed the > > issue. After going to

Re: VMs freezing when host is running 4.14

2018-02-13 Thread Haozhong Zhang
On 02/13/18 20:04 -0600, Josh Poimboeuf wrote: > On Sun, Feb 11, 2018 at 02:39:41PM +0100, Marc Haber wrote: > > Hi, > > > > after in total nine weeks of bisecting, broken filesystems, service > > outages (thankfully on unportant systems), 4.15 seems to have fixed the > > issue. After going to

Re: VMs freezing when host is running 4.14

2018-02-13 Thread Josh Poimboeuf
On Sun, Feb 11, 2018 at 02:39:41PM +0100, Marc Haber wrote: > Hi, > > after in total nine weeks of bisecting, broken filesystems, service > outages (thankfully on unportant systems), 4.15 seems to have fixed the > issue. After going to 4.15, the crashes never happened again. > > They have,

Re: VMs freezing when host is running 4.14

2018-02-13 Thread Josh Poimboeuf
On Sun, Feb 11, 2018 at 02:39:41PM +0100, Marc Haber wrote: > Hi, > > after in total nine weeks of bisecting, broken filesystems, service > outages (thankfully on unportant systems), 4.15 seems to have fixed the > issue. After going to 4.15, the crashes never happened again. > > They have,

Re: VMs freezing when host is running 4.14

2018-02-11 Thread Marc Haber
Hi, after in total nine weeks of bisecting, broken filesystems, service outages (thankfully on unportant systems), 4.15 seems to have fixed the issue. After going to 4.15, the crashes never happened again. They have, however, happened with each and every 4.14 release I tried, which I stopped

Re: VMs freezing when host is running 4.14

2018-02-11 Thread Marc Haber
Hi, after in total nine weeks of bisecting, broken filesystems, service outages (thankfully on unportant systems), 4.15 seems to have fixed the issue. After going to 4.15, the crashes never happened again. They have, however, happened with each and every 4.14 release I tried, which I stopped

Re: VMs freezing when host is running 4.14

2018-01-08 Thread Marc Haber
Hi, it's been five weeks since I gave you the last information about this issue. Alas, I don't have a solution yet, only reports: - The bisect between 4.13 and 4.14 ended up on a one-character fix in a comment, so that was a total waste. - The issue is present in all recent kernels up to

Re: VMs freezing when host is running 4.14

2018-01-08 Thread Marc Haber
Hi, it's been five weeks since I gave you the last information about this issue. Alas, I don't have a solution yet, only reports: - The bisect between 4.13 and 4.14 ended up on a one-character fix in a comment, so that was a total waste. - The issue is present in all recent kernels up to

Re: VMs freezing when host is running 4.14

2017-12-01 Thread Marc Haber
4.14.3 is still affected. I am still bisecting between 4.13 and 4.14, 5 steps to go. Defining a kernel as "good" if it survived 24 hours on the hosts. Greetings Marc On Wed, Nov 22, 2017 at 04:04:42PM +0100, 王金浦 wrote: > From: 王金浦 <jinpuw...@gmail.com> > Subject: Re:

Re: VMs freezing when host is running 4.14

2017-12-01 Thread Marc Haber
4.14.3 is still affected. I am still bisecting between 4.13 and 4.14, 5 steps to go. Defining a kernel as "good" if it survived 24 hours on the hosts. Greetings Marc On Wed, Nov 22, 2017 at 04:04:42PM +0100, 王金浦 wrote: > From: 王金浦 > Subject: Re: VMs freezing when host

Re: VMs freezing when host is running 4.14

2017-11-24 Thread Marc Haber
On Thu, Nov 23, 2017 at 06:26:36PM +0200, Liran Alon wrote: > If there is no nested guest so no. My fix here probably won't help. I can confirm that I am not running nested virt, the host is running directly on the APU. I also have three other machines that are running flawlessly with 4.14, and

Re: VMs freezing when host is running 4.14

2017-11-24 Thread Marc Haber
On Thu, Nov 23, 2017 at 06:26:36PM +0200, Liran Alon wrote: > If there is no nested guest so no. My fix here probably won't help. I can confirm that I am not running nested virt, the host is running directly on the APU. I also have three other machines that are running flawlessly with 4.14, and

Re: VMs freezing when host is running 4.14

2017-11-23 Thread Liran Alon
On 23/11/17 18:24, Radim Krčmář wrote: 2017-11-23 18:18+0200, Liran Alon: On 23/11/17 17:59, Radim Krčmář wrote: Btw. there have been already many fixes from Liran Alon for that patch and your case could be the one adressed in

Re: VMs freezing when host is running 4.14

2017-11-23 Thread Liran Alon
On 23/11/17 18:24, Radim Krčmář wrote: 2017-11-23 18:18+0200, Liran Alon: On 23/11/17 17:59, Radim Krčmář wrote: Btw. there have been already many fixes from Liran Alon for that patch and your case could be the one adressed in

Re: VMs freezing when host is running 4.14

2017-11-23 Thread Radim Krčmář
2017-11-23 18:18+0200, Liran Alon: > On 23/11/17 17:59, Radim Krčmář wrote: > > Btw. there have been already many fixes from Liran Alon for that patch > > and your case could be the one adressed in > >

Re: VMs freezing when host is running 4.14

2017-11-23 Thread Radim Krčmář
2017-11-23 18:18+0200, Liran Alon: > On 23/11/17 17:59, Radim Krčmář wrote: > > Btw. there have been already many fixes from Liran Alon for that patch > > and your case could be the one adressed in > >

Re: VMs freezing when host is running 4.14

2017-11-23 Thread Liran Alon
On 23/11/17 17:59, Radim Krčmář wrote: 2017-11-23 16:20+0100, Marc Haber: On Wed, Nov 22, 2017 at 05:43:13PM +0100, Radim Krčmář wrote: 2017-11-22 16:52+0100, Marc Haber: On Wed, Nov 22, 2017 at 04:04:42PM +0100, 王金浦 wrote: So all guest kernels are 4.14, or also other older kernel? Guest

Re: VMs freezing when host is running 4.14

2017-11-23 Thread Liran Alon
On 23/11/17 17:59, Radim Krčmář wrote: 2017-11-23 16:20+0100, Marc Haber: On Wed, Nov 22, 2017 at 05:43:13PM +0100, Radim Krčmář wrote: 2017-11-22 16:52+0100, Marc Haber: On Wed, Nov 22, 2017 at 04:04:42PM +0100, 王金浦 wrote: So all guest kernels are 4.14, or also other older kernel? Guest

Re: VMs freezing when host is running 4.14

2017-11-23 Thread Radim Krčmář
2017-11-23 16:20+0100, Marc Haber: > On Wed, Nov 22, 2017 at 05:43:13PM +0100, Radim Krčmář wrote: > > 2017-11-22 16:52+0100, Marc Haber: > > > On Wed, Nov 22, 2017 at 04:04:42PM +0100, 王金浦 wrote: > > > > So all guest kernels are 4.14, or also other older kernel? > > > > > > Guest kernels are

Re: VMs freezing when host is running 4.14

2017-11-23 Thread Radim Krčmář
2017-11-23 16:20+0100, Marc Haber: > On Wed, Nov 22, 2017 at 05:43:13PM +0100, Radim Krčmář wrote: > > 2017-11-22 16:52+0100, Marc Haber: > > > On Wed, Nov 22, 2017 at 04:04:42PM +0100, 王金浦 wrote: > > > > So all guest kernels are 4.14, or also other older kernel? > > > > > > Guest kernels are

Re: VMs freezing when host is running 4.14

2017-11-23 Thread Marc Haber
On Wed, Nov 22, 2017 at 05:43:13PM +0100, Radim Krčmář wrote: > 2017-11-22 16:52+0100, Marc Haber: > > On Wed, Nov 22, 2017 at 04:04:42PM +0100, 王金浦 wrote: > > > So all guest kernels are 4.14, or also other older kernel? > > > > Guest kernels are also 4.14, but the issue disappears when the host

Re: VMs freezing when host is running 4.14

2017-11-23 Thread Marc Haber
On Wed, Nov 22, 2017 at 05:43:13PM +0100, Radim Krčmář wrote: > 2017-11-22 16:52+0100, Marc Haber: > > On Wed, Nov 22, 2017 at 04:04:42PM +0100, 王金浦 wrote: > > > So all guest kernels are 4.14, or also other older kernel? > > > > Guest kernels are also 4.14, but the issue disappears when the host

Re: VMs freezing when host is running 4.14

2017-11-22 Thread Radim Krčmář
2017-11-22 16:52+0100, Marc Haber: > On Wed, Nov 22, 2017 at 04:04:42PM +0100, 王金浦 wrote: > > So all guest kernels are 4.14, or also other older kernel? > > Guest kernels are also 4.14, but the issue disappears when the host is > downgraded to an older kernel. I therefore reckoned that the guest

Re: VMs freezing when host is running 4.14

2017-11-22 Thread Radim Krčmář
2017-11-22 16:52+0100, Marc Haber: > On Wed, Nov 22, 2017 at 04:04:42PM +0100, 王金浦 wrote: > > So all guest kernels are 4.14, or also other older kernel? > > Guest kernels are also 4.14, but the issue disappears when the host is > downgraded to an older kernel. I therefore reckoned that the guest

Re: VMs freezing when host is running 4.14

2017-11-22 Thread Marc Haber
On Wed, Nov 22, 2017 at 04:04:42PM +0100, 王金浦 wrote: > So all guest kernels are 4.14, or also other older kernel? Guest kernels are also 4.14, but the issue disappears when the host is downgraded to an older kernel. I therefore reckoned that the guest kernel doesn't matter, but that was before I

Re: VMs freezing when host is running 4.14

2017-11-22 Thread Marc Haber
On Wed, Nov 22, 2017 at 04:04:42PM +0100, 王金浦 wrote: > So all guest kernels are 4.14, or also other older kernel? Guest kernels are also 4.14, but the issue disappears when the host is downgraded to an older kernel. I therefore reckoned that the guest kernel doesn't matter, but that was before I

Re: VMs freezing when host is running 4.14

2017-11-22 Thread 王金浦
+cc kvm 2017-11-22 10:39 GMT+01:00 Marc Haber : > On Tue, Nov 21, 2017 at 05:18:21PM +0100, Marc Haber wrote: >> On the affected host, VMs freeze at a rate about two or three per day. >> They just stop dead in their tracks, console and serial console become >>

Re: VMs freezing when host is running 4.14

2017-11-22 Thread 王金浦
+cc kvm 2017-11-22 10:39 GMT+01:00 Marc Haber : > On Tue, Nov 21, 2017 at 05:18:21PM +0100, Marc Haber wrote: >> On the affected host, VMs freeze at a rate about two or three per day. >> They just stop dead in their tracks, console and serial console become >> unresponsive, ping stops, they don't

Re: VMs freezing when host is running 4.14

2017-11-22 Thread Marc Haber
On Tue, Nov 21, 2017 at 05:18:21PM +0100, Marc Haber wrote: > On the affected host, VMs freeze at a rate about two or three per day. > They just stop dead in their tracks, console and serial console become > unresponsive, ping stops, they don't react to virsh shutdown, only to > virsh destroy. I

Re: VMs freezing when host is running 4.14

2017-11-22 Thread Marc Haber
On Tue, Nov 21, 2017 at 05:18:21PM +0100, Marc Haber wrote: > On the affected host, VMs freeze at a rate about two or three per day. > They just stop dead in their tracks, console and serial console become > unresponsive, ping stops, they don't react to virsh shutdown, only to > virsh destroy. I

VMs freezing when host is running 4.14

2017-11-21 Thread Marc Haber
Hi, I am running Debian stable with home-built kernels on a number of KVM hosts and a bigger number of KVM VMs. With 4.14, I have an interesting phenomenon on _one_ of my hosts, while all other hosts run fine. All systems are reasonably similar to each other. On the affected host, VMs freeze at

VMs freezing when host is running 4.14

2017-11-21 Thread Marc Haber
Hi, I am running Debian stable with home-built kernels on a number of KVM hosts and a bigger number of KVM VMs. With 4.14, I have an interesting phenomenon on _one_ of my hosts, while all other hosts run fine. All systems are reasonably similar to each other. On the affected host, VMs freeze at