Andriy Gapon wrote:
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).
Yes, it looks like reverting MAXPHYS back to 128K made the problem
disappear, successfully installed VM from resulting cdrom image.
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