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Paul Winder

  • Email: paul.winder@wdc.com
  • SSH Key:

    ssh-rsa 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 paul.winder@tegile.com

  • Registered on: 2017-02-14
  • Last connection: 2019-10-17

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2019-10-17

03:46 PM illumos gate Feature #11827: Increase concurrency through blkdev
During vdbench testing I came across #11847.
I used the following settings for vdbench:...
Paul Winder
03:28 PM illumos gate Bug #11847 (In Progress): The nvme cmd completion queue is contentious
When benchmarking for https://www.illumos.org/issues/11827 I discovered the mutex inside the taskq code which guards ... Paul Winder

2019-10-16

02:30 PM illumos gate Feature #11827 (In Progress): Increase concurrency through blkdev
All I/Os which go through blkdev end up on a single waitq/runq pair before being pushed through the parent driver.
...
Paul Winder

2019-10-09

10:59 AM illumos gate Bug #11790 (In Progress): APCI method _CRS should be used to identify bus numbers during initial probe
During boot the _BBN from ACPI are scanned to populate the PCI tree with bus root nodes.
Subsequently, a scan and...
Paul Winder

2019-07-04

06:44 AM illumos gate Feature #11203: Support for NVMe drive firmware updates
The illustration in the previous comment is a test run of a firmware update. The process has been used to update two ... Paul Winder

2019-07-03

12:18 PM illumos gate Feature #11203: Support for NVMe drive firmware updates
Review is: https://illumos.org/rb/r/2013/ Paul Winder

2019-06-20

02:07 PM illumos gate Feature #11202: Allow the number of NVMe submission and completion queues to be different
Testing included:
* Ran a complete ZFS test suite with NVMe drives as the targets
* Ran vdbench with 50% r/w worklo...
Paul Winder

2019-06-11

03:33 PM illumos gate Bug #11231 (Closed): nvme in polled mode ignores the command call back
When nvme is in polling mode, it always executes nvme_bd_xfer_done() as the command callback, and ignores nc_callback. Paul Winder
03:29 PM illumos gate Bug #11230 (Closed): Panic in nvme_fill_prp() because of miscalculation of the number of PRPs per page
In nvme_fill_prp()... Paul Winder
03:21 PM illumos gate Bug #11229 (Closed): nvme_get_logpage() can allocate a too small buffer to receive logpage data
In nvme_get_logpage() the size of the dma allocated is always set to:... Paul Winder

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