Re: Async IO with newet Linux Kernel

On 7/8/26 12:50 AM, Gilberto Ferreira wrote:
> Hi there
> 
> I always need to change Async IO in the Proxmox VMs to threads or
> native, in order to boot the VMs when using OCFS2 with iSCSI/FC
> storages.
> Otherwise, the vm did not boot at all.
> This happens with kernel 6.8, 6.12 and 6.14.
> Now, with Proxmox VE 9, which has kernel 7 but default, I noticed that
> is no longer required to change Async IO in order to VM boot properly.
> 
> Has something changed in the recent kernels regarding ocfs2 and Async IO?
> 

So what's the dmesg when VM can't boot on kernel 6.8, 6.12 and 6.14?

Not sure if it is caused by jbd2 credits exhaustion which is fixed by:

d647c5b2fbf8 ("ocfs2: split transactions in dio completion to avoid credit exhaustion")

Thanks,
Joseph