Re: [Xen-devel] rcu_sched self-detect stall when disable vif device

2015-02-02 Thread Julien Grall
Hi David, On 30/01/15 16:04, David Vrabel wrote: > How about this? This is working for me. Thanks! > 8<-- > xen-netback: stop the guest rx thread after a fatal error > > After commit e9d8b2c2968499c1f96563e6522c56958d5a1d0d (xen-netback: > disable rogue v

Re: [Xen-devel] rcu_sched self-detect stall when disable vif device

2015-01-30 Thread David Vrabel
On 28/01/15 17:27, Julien Grall wrote: > On 28/01/15 17:06, David Vrabel wrote: >> On 28/01/15 16:45, Julien Grall wrote: >>> On 27/01/15 16:53, Wei Liu wrote: On Tue, Jan 27, 2015 at 04:47:45PM +, Julien Grall wrote: > On 27/01/15 16:45, Wei Liu wrote: >> On Tue, Jan 27, 2015 at 0

Re: [Xen-devel] rcu_sched self-detect stall when disable vif device

2015-01-28 Thread Julien Grall
On 28/01/15 17:06, David Vrabel wrote: > On 28/01/15 16:45, Julien Grall wrote: >> On 27/01/15 16:53, Wei Liu wrote: >>> On Tue, Jan 27, 2015 at 04:47:45PM +, Julien Grall wrote: On 27/01/15 16:45, Wei Liu wrote: > On Tue, Jan 27, 2015 at 04:03:52PM +, Julien Grall wrote: >> Hi

Re: [Xen-devel] rcu_sched self-detect stall when disable vif device

2015-01-28 Thread David Vrabel
On 28/01/15 16:45, Julien Grall wrote: > On 27/01/15 16:53, Wei Liu wrote: >> On Tue, Jan 27, 2015 at 04:47:45PM +, Julien Grall wrote: >>> On 27/01/15 16:45, Wei Liu wrote: On Tue, Jan 27, 2015 at 04:03:52PM +, Julien Grall wrote: > Hi, > > While I'm working on support for

Re: [Xen-devel] rcu_sched self-detect stall when disable vif device

2015-01-28 Thread Julien Grall
On 27/01/15 16:53, Wei Liu wrote: > On Tue, Jan 27, 2015 at 04:47:45PM +, Julien Grall wrote: >> On 27/01/15 16:45, Wei Liu wrote: >>> On Tue, Jan 27, 2015 at 04:03:52PM +, Julien Grall wrote: Hi, While I'm working on support for 64K page in netfront, I got an rcu_sced s

Re: [Xen-devel] rcu_sched self-detect stall when disable vif device

2015-01-27 Thread Wei Liu
On Tue, Jan 27, 2015 at 04:47:45PM +, Julien Grall wrote: > On 27/01/15 16:45, Wei Liu wrote: > > On Tue, Jan 27, 2015 at 04:03:52PM +, Julien Grall wrote: > >> Hi, > >> > >> While I'm working on support for 64K page in netfront, I got > >> an rcu_sced self-detect message. It happens when n

Re: [Xen-devel] rcu_sched self-detect stall when disable vif device

2015-01-27 Thread David Vrabel
On 27/01/15 16:45, Wei Liu wrote: > On Tue, Jan 27, 2015 at 04:03:52PM +, Julien Grall wrote: >> Hi, >> >> While I'm working on support for 64K page in netfront, I got >> an rcu_sced self-detect message. It happens when netback is >> disabling the vif device due to an error. >> >> I'm using Lin

Re: [Xen-devel] rcu_sched self-detect stall when disable vif device

2015-01-27 Thread Julien Grall
On 27/01/15 16:45, Wei Liu wrote: > On Tue, Jan 27, 2015 at 04:03:52PM +, Julien Grall wrote: >> Hi, >> >> While I'm working on support for 64K page in netfront, I got >> an rcu_sced self-detect message. It happens when netback is >> disabling the vif device due to an error. >> >> I'm using Lin

Re: [Xen-devel] rcu_sched self-detect stall when disable vif device

2015-01-27 Thread Wei Liu
On Tue, Jan 27, 2015 at 04:03:52PM +, Julien Grall wrote: > Hi, > > While I'm working on support for 64K page in netfront, I got > an rcu_sced self-detect message. It happens when netback is > disabling the vif device due to an error. > > I'm using Linux 3.19-rc5 on seattle (ARM64). Any idea

[Xen-devel] rcu_sched self-detect stall when disable vif device

2015-01-27 Thread Julien Grall
Hi, While I'm working on support for 64K page in netfront, I got an rcu_sced self-detect message. It happens when netback is disabling the vif device due to an error. I'm using Linux 3.19-rc5 on seattle (ARM64). Any idea why the processor is stucked in xenvif_rx_queue_purge? Here the log: vif v