Re: [Xen-devel] 4.4: INFO: rcu_sched self-detected stall on CPU

2016-03-25 Thread Boris Ostrovsky
On 03/25/2016 12:04 PM, Steven Haigh wrote: It may not actually be the full logs. Once the system gets really upset, you can't run anything - as such, grabbing anything from dmesg is not possible. The logs provided above is all that gets spat out to the syslog server. I'll try tinkering with

Re: [Xen-devel] 4.4: INFO: rcu_sched self-detected stall on CPU

2016-03-25 Thread Boris Ostrovsky
On 03/25/2016 12:04 PM, Steven Haigh wrote: It may not actually be the full logs. Once the system gets really upset, you can't run anything - as such, grabbing anything from dmesg is not possible. The logs provided above is all that gets spat out to the syslog server. I'll try tinkering with

Re: [Xen-devel] 4.4: INFO: rcu_sched self-detected stall on CPU

2016-03-25 Thread Steven Haigh
On 26/03/2016 1:44 AM, Boris Ostrovsky wrote: > On 03/25/2016 10:05 AM, Steven Haigh wrote: >> On 25/03/2016 11:23 PM, Boris Ostrovsky wrote: >>> On 03/24/2016 10:53 PM, Steven Haigh wrote: Hi all, Firstly, I've cross-posted this to xen-devel and the lkml - as this problem

Re: [Xen-devel] 4.4: INFO: rcu_sched self-detected stall on CPU

2016-03-25 Thread Steven Haigh
On 26/03/2016 1:44 AM, Boris Ostrovsky wrote: > On 03/25/2016 10:05 AM, Steven Haigh wrote: >> On 25/03/2016 11:23 PM, Boris Ostrovsky wrote: >>> On 03/24/2016 10:53 PM, Steven Haigh wrote: Hi all, Firstly, I've cross-posted this to xen-devel and the lkml - as this problem

Re: [Xen-devel] 4.4: INFO: rcu_sched self-detected stall on CPU

2016-03-25 Thread Boris Ostrovsky
On 03/25/2016 10:05 AM, Steven Haigh wrote: On 25/03/2016 11:23 PM, Boris Ostrovsky wrote: On 03/24/2016 10:53 PM, Steven Haigh wrote: Hi all, Firstly, I've cross-posted this to xen-devel and the lkml - as this problem seems to only exist when using kernel 4.4 as a Xen DomU kernel. I have

Re: [Xen-devel] 4.4: INFO: rcu_sched self-detected stall on CPU

2016-03-25 Thread Boris Ostrovsky
On 03/25/2016 10:05 AM, Steven Haigh wrote: On 25/03/2016 11:23 PM, Boris Ostrovsky wrote: On 03/24/2016 10:53 PM, Steven Haigh wrote: Hi all, Firstly, I've cross-posted this to xen-devel and the lkml - as this problem seems to only exist when using kernel 4.4 as a Xen DomU kernel. I have

Re: [Xen-devel] 4.4: INFO: rcu_sched self-detected stall on CPU

2016-03-25 Thread Steven Haigh
On 25/03/2016 11:23 PM, Boris Ostrovsky wrote: > On 03/24/2016 10:53 PM, Steven Haigh wrote: >> Hi all, >> >> Firstly, I've cross-posted this to xen-devel and the lkml - as this >> problem seems to only exist when using kernel 4.4 as a Xen DomU kernel. >> I have also CC'ed Greg KH for his awesome

Re: [Xen-devel] 4.4: INFO: rcu_sched self-detected stall on CPU

2016-03-25 Thread Steven Haigh
On 25/03/2016 11:23 PM, Boris Ostrovsky wrote: > On 03/24/2016 10:53 PM, Steven Haigh wrote: >> Hi all, >> >> Firstly, I've cross-posted this to xen-devel and the lkml - as this >> problem seems to only exist when using kernel 4.4 as a Xen DomU kernel. >> I have also CC'ed Greg KH for his awesome

Re: [Xen-devel] 4.4: INFO: rcu_sched self-detected stall on CPU

2016-03-25 Thread Boris Ostrovsky
On 03/24/2016 10:53 PM, Steven Haigh wrote: Hi all, Firstly, I've cross-posted this to xen-devel and the lkml - as this problem seems to only exist when using kernel 4.4 as a Xen DomU kernel. I have also CC'ed Greg KH for his awesome insight as maintainer. Please CC myself into replies - as

Re: [Xen-devel] 4.4: INFO: rcu_sched self-detected stall on CPU

2016-03-25 Thread Boris Ostrovsky
On 03/24/2016 10:53 PM, Steven Haigh wrote: Hi all, Firstly, I've cross-posted this to xen-devel and the lkml - as this problem seems to only exist when using kernel 4.4 as a Xen DomU kernel. I have also CC'ed Greg KH for his awesome insight as maintainer. Please CC myself into replies - as