Date: Thu, 17 Dec 2020 11:20:05 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: Yuri Pankov <yuripv@yuripv.dev>, current@freebsd.org Subject: Re: installation on pvscsi fails with "The request was too large for this host" Message-ID: <bca69f61-f7a6-2817-c7cd-13b248496d37@FreeBSD.org> In-Reply-To: <fc910f87-ba02-9e20-213e-40828da72670@yuripv.dev> References: <fc910f87-ba02-9e20-213e-40828da72670@yuripv.dev>
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On 17/12/2020 07:02, Yuri Pankov wrote: > Trying to install latest snapshot (20201210) on a VMware ESXi/Workstation VMs > with pvscsi fails on bootloader step, and the following is in dmesg: > > pvscsi0: pvscsi_execute_ccb error 27 > pvscsi0: pvscsi_execute_ccb error 27 > (da0:pvscsi0:0:0:0): WRITE(10). CDB: 2a 00 00 00 00 28 00 04 00 > (da0:pvscsi0:0:0:0): CAM status: The request was too large for this host > (da0:pvscsi0:0:0:0): Error 22, Unretryable error > (da0:pvscsi0:0:0:0): WRITE(10). CDB: 2a 00 00 00 00 28 00 04 00 > (da0:pvscsi0:0:0:0): CAM status: The request was too large for this host > (da0:pvscsi0:0:0:0): Error 22, Unretryable error > > That is the first I'm trying installing on pvscsi since it was integrated, so no > idea if it worked previously. If yes, I have not tried to bisect this yet > hoping that it could be identified as related to any of the recent changes. > > The VMs in question are set with 8-64 GB RAM, and 100 GB boot disks. Not an expert in this areas, but that command tried to transfer 0x400 / 1024 blocks, which is 512KB of data. Could it be that the problem is revealed by the MAXPHYS increase? There might be a bug in pvscsi where it does not respect or correctly advertise some limit. There could be a similar issue with VMware itself (its emulation of a disk / target). -- Andriy Gapon
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