Re: NULL scheduler DoS

2021-12-17 Thread Ahmed, Daniele
Hi! Is there any update on this issue? How should we move forward? Thank you, On 11/08/2021, 12:09, "Dario Faggioli" wrote: On Mon, 2021-08-09 at 21:38 +0100, Julien Grall wrote: > On 09/08/2021 18:35, Julien Grall wrote: > > > > This implies that a pCPU may temporarily be a

Re: NULL scheduler DoS

2021-09-08 Thread Ahmed, Daniele
Hi, sorry for the late reply. Here is the full log from the serial console: https://pastebin.com/raw/g9EFtk3y This still happens on the current unstable as of today. Thank you Daniele On 11/08/2021, 12:09, "Dario Faggioli" wrote: On Mon, 2021-08-09 at 21:38 +0100, Julien Grall wrote:

Re: NULL scheduler DoS

2021-08-09 Thread Ahmed, Daniele
CC’ing jul...@xen.org From: "Ahmed, Daniele" Date: Monday, 9 August 2021 at 17:19 To: "xen-devel@lists.xenproject.org" Cc: Dario Faggioli , Stefano Stabellini , "Grall, Julien" , "Doebel, Bjoern" , "Pohlack, Martin" Subject: NULL scheduler

NULL scheduler DoS

2021-08-09 Thread Ahmed, Daniele
Hi all, The NULL scheduler is affected by an issue that triggers an assertion and reboots the hypervisor. This issue arise when: * a guest is being created with a configuration specifying a file that does not exist * the hypervisor boots with the null scheduler 4.16 is affected and 4.15