Re: mpii zfs xen unstable on -current

["oskar%fessel.org@localhost" <oskar%fessel.org@localhost>]

> Am 02.07.2022 um 10:28 schrieb Manuel Bouyer <bouyer%antioche.eu.org@localhost>:
> 
> On Sat, Jul 02, 2022 at 01:02:07AM +0200, oskar%fessel.org@localhost wrote:
>>>> So, this is somewhere different context but nonethelss not so good. Any pointers on how to fix this greatly appreciated.
>>> 
>>> I see no reason to think this is Xen-specific at this point
>>> 
>> Probably not, but this controller works rock-solid without Xen.  On another machicne running somewhat dated NetBSD zappa.unna.ping.de 9.99.74 NetBSD 9.99.74 (ZAPPA) #0: Fri Oct 30 12:45:40 CET 2020  root%zappa.unna.ping.de@localhost:/moon/obj/sys/arch/amd64/compile/ZAPPA amd64
>> 
>> And on this same machine where the problem occurs - but only when running under the Xen hypervisor.
> 
> So, if I understand properly, the exact same machine without Xen works fine,
> with -current ?

Yes, that is correct.
> 
>> If no one else is using this controller and/or no one can help fixing this, i will happily buy a new controller or flash this to non-IT mode an have hardware raid below zfs on the disks just to get the machine stable?
> 
> I'm using mfii under Xen, but not mpii …

Unfortunately those are not supported by the hardware.  I can insert one into the server and it works fine, but the fans are constantly on 100%.  Since we have no driver for controlling the fans in HPE servers that i know of, this is not feasible - i can hear the server in all rooms of my house…

Cheers
	Oskar