Re: Kernel 4.1 hang, apparently in __inet_lookup_established

2015-11-16 Thread Grant Zhang
On 16/11/2015 07:07, Eric Dumazet wrote: On Sun, 2015-11-15 at 16:58 -0800, Grant Zhang wrote: Hi Patrick, Have you tried the two patches Eric mentioned? One of my 4.1.11 server just hanged with very similar stack trace and I am wondering whether the aforementioned patches would help. Thanks,

Re: Kernel 4.1 hang, apparently in __inet_lookup_established

2015-11-16 Thread Eric Dumazet
On Sun, 2015-11-15 at 16:58 -0800, Grant Zhang wrote: > Hi Patrick, > > Have you tried the two patches Eric mentioned? One of my 4.1.11 server > just hanged with very similar stack trace and I am wondering whether the > aforementioned patches would help. > > Thanks, linux-4.1.12 definitely con

Re: Kernel 4.1 hang, apparently in __inet_lookup_established

2015-11-16 Thread Patrick Schaaf
On Sunday 15 November 2015 16:58:33 Grant Zhang wrote: > > Have you tried the two patches Eric mentioned? One of my 4.1.11 server > just hanged with very similar stack trace and I am wondering whether the > aforementioned patches would help. Sorry, Grant - I'm sticking to 3.14.xx for now. best r

Re: Kernel 4.1 hang, apparently in __inet_lookup_established

2015-11-15 Thread Grant Zhang
Hi Patrick, Have you tried the two patches Eric mentioned? One of my 4.1.11 server just hanged with very similar stack trace and I am wondering whether the aforementioned patches would help. Thanks, Grant On 23/09/2015 09:31, Eric Dumazet wrote: On Wed, 2015-09-23 at 10:25 +0200, Patrick S

Re: Kernel 4.1 hang, apparently in __inet_lookup_established

2015-09-23 Thread Eric Dumazet
On Wed, 2015-09-23 at 10:25 +0200, Patrick Schaaf wrote: > Dear kernel developers, > > I recently started to upgrade my production hosts and VMs from the 3.14 > series > to 4.1 kernels, starting with 4.1.6. Yesterday, for the second time after I > started these upgrades, I experienced one of ou

Kernel 4.1 hang, apparently in __inet_lookup_established

2015-09-23 Thread Patrick Schaaf
Dear kernel developers, I recently started to upgrade my production hosts and VMs from the 3.14 series to 4.1 kernels, starting with 4.1.6. Yesterday, for the second time after I started these upgrades, I experienced one of our webserver VMs hanging. The first time this happened, the VM hung co