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    Subject[PATCH 3.18 007/185] libata: Blacklist some Sandisk SSDs for NCQ
    Date
    3.18-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Tejun Heo <tj@kernel.org>

    commit 322579dcc865b94b47345ad1b6002ad167f85405 upstream.

    Sandisk SSDs SD7SN6S256G and SD8SN8U256G are regularly locking up
    regularly under sustained moderate load with NCQ enabled. Blacklist
    for now.

    Signed-off-by: Tejun Heo <tj@kernel.org>
    Reported-by: Dave Jones <davej@codemonkey.org.uk>
    Cc: stable@vger.kernel.org
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/ata/libata-core.c | 4 ++++
    1 file changed, 4 insertions(+)

    --- a/drivers/ata/libata-core.c
    +++ b/drivers/ata/libata-core.c
    @@ -4188,6 +4188,10 @@ static const struct ata_blacklist_entry
    /* https://bugzilla.kernel.org/show_bug.cgi?id=15573 */
    { "C300-CTFDDAC128MAG", "0001", ATA_HORKAGE_NONCQ, },

    + /* Some Sandisk SSDs lock up hard with NCQ enabled. Reported on
    + SD7SN6S256G and SD8SN8U256G */
    + { "SanDisk SD[78]SN*G", NULL, ATA_HORKAGE_NONCQ, },
    +
    /* devices which puke on READ_NATIVE_MAX */
    { "HDS724040KLSA80", "KFAOA20N", ATA_HORKAGE_BROKEN_HPA, },
    { "WDC WD3200JD-00KLB0", "WD-WCAMR1130137", ATA_HORKAGE_BROKEN_HPA },

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