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krotuss
Apprentice
Joined: 01 Aug 2008
Posts: 246
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 Posted: Thu Oct 17, 2024 7:15 pm Post subject: rpi5 with 6.6.47_p20240902 running CQE recovery |
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Hi,
my raspberry pi5 with 6.6.47_p20240902 kernel floods dmesg with
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mmc0: running CQE recovery
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6.6.31_p20240529, works fine. Has anybody experienced this? I am trying to find out if this is some regression or perhaps I have misconfigured it. It was reported with raspiKey, which is sdcard attached eMMC, so maybe it does not manifest with every sdcard. |
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krotuss
Apprentice
Joined: 01 Aug 2008
Posts: 246
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| Posted: Fri Oct 18, 2024 6:29 pm Post subject: |
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Most likely this (https://github.com/raspberrypi/linux):
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commit c9b61d1d83073761871c7acba332216494e6f0bb
Author: Jonathan Bell <jonathan@raspberrypi.com>
Date: Mon Apr 8 16:09:52 2024 +0100
drivers: mmc: disable write-caching on Samsung 2023 model year SD cards
Samsung EVO Plus, Pro Plus and Evo Ultimate cards of this era appear to
have a broken cache-flush implementation when operating in CQ mode.
Unfortunately the cards seem to use a separate CID name string for every
variant and capacity, so nobble the cache feature for this MANFID, OEMID
and year. Turning this off seems to have negligible impact on
random-write throughput in non-CQ mode.
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
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