[Users] Lots of interrupts since latest el6 kernel

Hello, I've upgraded from 2.6.32-042stab133.2 to 2.6.32-042stab138.1 and since boot, 2 cores are using 100% cpu on ksoftirqd: root 21 99.9 0.0 0 0 ?RMay29 1178:07 \_ [ksoftirqd/4] root 25 99.9 0.0 0 0 ?RMay29 1177:51 \_ [ksoftirqd/5]

Re: [Users] Lots of interrupts since latest el6 kernel

Dear Karl, thank you for reporting the problem. no, it is not known issue. moreover, I doubt it is related to real hardware interrupts, soft-interrupts handles delayed procedures like processing of network packets. For troubleshooting is to look at stack of affected running processes via /proc//

Re: [Users] Lots of interrupts since latest el6 kernel

Hello, It's always related to swapper and ksoftirqd: Some examples here: https://pastebin.com/wn0nCwce Karl On Thu, May 30, 2019 at 3:11 PM Vasily Averin wrote: > Dear Karl, > thank you for reporting the problem. > > no, it is not known issue. > moreover, I doubt it is related to real hardwar

Re: [Users] Lots of interrupts since latest el6 kernel

How exactly to see if other HW nodes reproduce the problem? El 30/5/19 a les 21:39, Karl Johnson ha escrit: > Hello, > > It's always related to swapper and ksoftirqd: > > Some examples here: https://pastebin.com/wn0nCwce > > Karl > > On Thu, May 30, 2019 at 3:11 PM Vasily Averin

Re: [Users] Lots of interrupts since latest el6 kernel

On 5/30/19 10:39 PM, Karl Johnson wrote: > Hello, > > It's always related to swapper and ksoftirqd: "swapper" is idle thread, it is called if CPU does not have any active tasks it would be interesting to look at state of "ksoftirqd" processes several times, to see any changes. In provided exampl