On Tue, Jul 22, 2025 at 06:37:50PM +0900, Damien Le Moal wrote: > On 7/22/25 6:32 PM, Friedrich Weber wrote: > > On 14/07/2025 04:48, Damien Le Moal wrote: > >> On 7/10/25 5:41 PM, Friedrich Weber wrote: > >>> Thanks for looking into this, it is definitely a strange problem. > >>> > >>> Considering these drives don't support CDL anyway: Do you think it would > >>> be possible to provide an "escape hatch" to disable only the CDL checks > >>> (a module parameter?) so hotplug can work for the user again for their > >>> device? If I see correctly, disabling just the CDL checks is not > >>> possible (without recompiling the kernel) -- scsi_mod.dev_flags can be > >>> used to disable RSOC, but I guess that has other unintended consequences > >>> too, so a more "targeted" escape hatch would be nice. > >> > >> Could you test the attached patch ? That should solve the issue. > >> > > > > Thanks for the patch! The user tested it on top of a 6.15.6 kernel and > > with the SAS3008 HBA, and indeed: > > > > - under 6.15.6, hotplug fails with the log messages mentioned in my > > first message, > > - with your patch on top, hotplug works again. > > OK. Will post a proper patch then (tomorrow). > Thanks for testing. > Hi Damien, Are you planning to post a formal patch to upstream? > > -- > Damien Le Moal > Western Digital Research