This is a note to let you know that I've just added the patch titled ata: libata-core: Disable TRIM on M88V29 to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ata-libata-core-disable-trim-on-m88v29.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 7524fe7a02579e5a0b8c7d475ebdbe99f0db29b2 Author: Zoltán Böszörményi <zboszor@xxxxxxxxx> Date: Fri Feb 4 13:57:50 2022 +0100 ata: libata-core: Disable TRIM on M88V29 [ Upstream commit c8ea23d5fa59f28302d4e3370c75d9c308e64410 ] This device is a CF card, or possibly an SSD in CF form factor. It supports NCQ and high speed DMA. While it also advertises TRIM support, I/O errors are reported when the discard mount option fstrim is used. TRIM also fails when disabling NCQ and not just as an NCQ command. TRIM must be disabled for this device. Signed-off-by: Zoltán Böszörményi <zboszor@xxxxxxxxx> Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index a92cbe1aa72a2..35db918a1de56 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4486,6 +4486,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { /* devices that don't properly handle TRIM commands */ { "SuperSSpeed S238*", NULL, ATA_HORKAGE_NOTRIM, }, + { "M88V29*", NULL, ATA_HORKAGE_NOTRIM, }, /* * As defined, the DRAT (Deterministic Read After Trim) and RZAT