Re: VMs hanging with rcu stall problems

2021-06-29 Thread Richard Purdie
On Thu, 2021-06-03 at 11:02 +0100, Richard Purdie wrote: > We're seeing intermittent rcu stalls in qemu system mode emulation which is  > causing CI issues for us (Yocto Project). We're struggling to understand > the cause and have tried several things to mitigate without much success.  > The

VMs hanging with rcu stall problems

2021-06-03 Thread Richard Purdie
Hi, We're seeing intermittent rcu stalls in qemu system mode emulation which is  causing CI issues for us (Yocto Project). We're struggling to understand the cause and have tried several things to mitigate without much success.  The stalls are odd in that the log messages look incomplete. An