Thread (22 messages) 22 messages, 4 authors, 2017-11-29

Re: [PATCH 00/12 v5] Multiqueue for MMC/SD

From: Bartlomiej Zolnierkiewicz <hidden>
Date: 2017-11-14 13:30:49
Also in: linux-mmc

On Tuesday, November 14, 2017 01:17:34 PM Bartlomiej Zolnierkiewicz wrote:
This works much better than initial version and a simple dd read
test shows more consistent results than with vanilla kernel.

However there are still some issues:

1. 30 seconds delay on "Waiting for /dev to be fully populated..."
   during boot

2. reboot command no longer works (there is a livelock after
   "The system is going down for reboot NOW!" message)

Full log (together with SysRq-l & SysRq-t outputs) attached.
BTW: these problems are not present in Adrian's V13 patchset
(with mmc-mq enabled by default).

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
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