Re: [elrepo] hard lockups on CPU's with elrepo kernel 3.10.103 on CentOS 6

2016-10-06 Thread Akemi Yagi
On Thu, Oct 6, 2016 at 3:27 PM, Akemi Yagi wrote: > On Thu, Oct 6, 2016 at 2:22 PM, Grigory Shamov > wrote: >> An update: >> >> Looks like the same issue was observed in RedHat 7 kernels, also based on >> 3.10: >> This pertains to

Re: [elrepo] hard lockups on CPU's with elrepo kernel 3.10.103 on CentOS 6

2016-10-06 Thread Grigory Shamov
An update: Looks like the same issue was observed in RedHat 7 kernels, also based on 3.10: This pertains to perf_event_overflow error with increased kernel.watchdog.thresh https://access.redhat.com/solutions/1354963 ``` * Red Hat Enterprise Linux (RHEL) 7 * seen on several versions of the

[elrepo] hard lockups on CPU's with elrepo kernel 3.10.103 on CentOS 6

2016-10-06 Thread Grigory Shamov
Hi All, We are running kernel-lt-3.10.103 on about 300 CentOS 6.8 machines of our HPC cluster. The machines are fairly old Intel Xeon X5650s (Wesmere/Nehalem chips, SSE4.2). We have first tested if the kernel works with our driver stack, were satisfied, and went to production. It turned out

[elrepo] skylake, nvidia, bumblebee

2016-10-06 Thread Nicolas Thierry-Mieg
Hello, as mentioned a few weeks ago I am trying to get C7 fully functional on a new Acer Aspire E5-575G-55DE laptop, which has an intel i5-6200U with integrated HD Graphics 520 as well as a nvidia GeForce GTX 950M. Thanks to advice from this list I got the intel graphics to work with the

Re: [elrepo] skylake, nvidia, bumblebee

2016-10-06 Thread Manuel Wolfshant
On 10/06/2016 04:15 PM, Nicolas Thierry-Mieg wrote: Hello, as mentioned a few weeks ago I am trying to get C7 fully functional on a new Acer Aspire E5-575G-55DE laptop, which has an intel i5-6200U with integrated HD Graphics 520 as well as a nvidia GeForce GTX 950M. Thanks to advice from