[Bug 209571] NVMe performing poorly. TRIM requests stall I/O activity

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209571

Peter Eriksson <peter.x.eriksson at liu.se> changed:

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                 CC|                            |peter.x.eriksson at liu.se

--- Comment #12 from Peter Eriksson <peter.x.eriksson at liu.se> ---
Just another data point: 

We are seeing strange behaviour with some PCIe SSDs - Intel DC P3520 which
randomly/after a while seems to hang (go dead) - so dead that they disappear
from the PCI bus and requires a power off / wait until caps have drained /
power on to revive... But this happens on 11.2 - and some other folks here have
seen similar problems on Linux. So I suspect this is not really OS-related.

We've also had problems with the SATA version (Intel S3520) where they
occasionally freeze up on us (and go "silent" on the SATA/SAS port). Often if
we wait long enough (days/a week or so) they will revive themselfs and start
working again...

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