ACK: [PATCH 0/1] [hirsute:linux-azure, focal/linux-azure-5.11] Revert "scsi: core: Cap scsi_host cmd_per_lun at can_queue"

[Marcelo Henrique Cerri]

Acked-by: Marcelo Henrique Cerri <marcelo.cerri at canonical.com>

On Fri, Oct 08, 2021 at 08:53:50AM -0600, Tim Gardner wrote:
> BugLink: https://bugs.launchpad.net/bugs/1940564
> 
> SRU Justification
> 
> [Impact]
> 
> At least 2 Azure instances cannot boot with this stable patch applied. Upstream
> is still working on the propoer solution. In the meantime, reverting this pacth
> allows boot to continue.
> 
> [Test Plan]
> 
> Boot on the affected instance types.
> 
> [Where problems could occur]
> 
> This patch was merged in stable update v5.4.134. Its intent was
> to provide a system level cap on the number of SCSI commands per LUN. Although
> reverting this patch may allow possibiities for exceeding that cap, in
> practice it rarely happed. There are also already some driver specifc
> checks in place.
> 
> [Additional info]
> 
> This revert necessitates a re-spin for focal/linux-azure-5.11 and hirsute/linux-azure
> for sru-2021.09.27.
> 
> I will attempt to get this patch reverted from upstream stable until such time as
> a proper fix is developed. Failing that I'll propose revert patches for the affected
> master kernels.
> 
> SF: #00320537
> 
> 
> -- 
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> kernel-team at lists.ubuntu.com
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-- 
Regards,
Marcelo

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