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    Subject[PATCH 3.4 12/60] drivers/libata: Set max sector to 65535 for Slimtype DVD A DS8A9SH drive
    Date
    3.4-stable review patch.  If anyone has any objections, please let me know.

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

    From: Shan Hai <shan.hai@windriver.com>

    commit 0523f037f65dba10191b0fa9c51266f90ba64630 upstream.

    The "Slimtype DVD A DS8A9SH" drive locks up with following backtrace when
    the max sector is smaller than 65535 bytes, fix it by adding a quirk to set
    the max sector to 65535 bytes.

    INFO: task flush-11:0:663 blocked for more than 120 seconds.
    "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
    flush-11:0 D 00000000ffff5ceb 0 663 2 0x00000000
    ffff88026d3b1710 0000000000000046 0000000000000001 0000000000000000
    ffff88026f2530c0 ffff88026d365860 ffff88026d3b16e0 ffffffff812ffd52
    ffff88026d4fd3d0 0000000100000001 ffff88026d3b16f0 ffff88026d3b1fd8
    Call Trace:
    [<ffffffff812ffd52>] ? cfq_may_queue+0x52/0xf0
    [<ffffffff81604338>] schedule+0x18/0x30
    [<ffffffff81604392>] io_schedule+0x42/0x60
    [<ffffffff812f22bb>] get_request_wait+0xeb/0x1f0
    [<ffffffff81065660>] ? autoremove_wake_function+0x0/0x40
    [<ffffffff812eb382>] ? elv_merge+0x42/0x210
    [<ffffffff812f26ae>] __make_request+0x8e/0x4e0
    [<ffffffff812f068e>] generic_make_request+0x21e/0x5e0
    [<ffffffff812f0aad>] submit_bio+0x5d/0xd0
    [<ffffffff81141422>] submit_bh+0xf2/0x130
    [<ffffffff8114474c>] __block_write_full_page+0x1dc/0x3a0
    [<ffffffff81143f60>] ? end_buffer_async_write+0x0/0x120
    [<ffffffff811474e0>] ? blkdev_get_block+0x0/0x70
    [<ffffffff811474e0>] ? blkdev_get_block+0x0/0x70
    [<ffffffff81143f60>] ? end_buffer_async_write+0x0/0x120
    [<ffffffff811449ee>] block_write_full_page_endio+0xde/0x100
    [<ffffffff81144a20>] block_write_full_page+0x10/0x20
    [<ffffffff81148703>] blkdev_writepage+0x13/0x20
    [<ffffffff810d7525>] __writepage+0x15/0x40
    [<ffffffff810d7c0f>] write_cache_pages+0x1cf/0x3e0
    [<ffffffff810d7510>] ? __writepage+0x0/0x40
    [<ffffffff810d7e42>] generic_writepages+0x22/0x30
    [<ffffffff810d7e6f>] do_writepages+0x1f/0x40
    [<ffffffff8113ae67>] writeback_single_inode+0xe7/0x3b0
    [<ffffffff8113b574>] writeback_sb_inodes+0x184/0x280
    [<ffffffff8113bedb>] writeback_inodes_wb+0x6b/0x1a0
    [<ffffffff8113c24b>] wb_writeback+0x23b/0x2a0
    [<ffffffff8113c42d>] wb_do_writeback+0x17d/0x190
    [<ffffffff8113c48b>] bdi_writeback_task+0x4b/0xe0
    [<ffffffff810e82a0>] ? bdi_start_fn+0x0/0x100
    [<ffffffff810e8321>] bdi_start_fn+0x81/0x100
    [<ffffffff810e82a0>] ? bdi_start_fn+0x0/0x100
    [<ffffffff8106522e>] kthread+0x8e/0xa0
    [<ffffffff81039274>] ? finish_task_switch+0x54/0xc0
    [<ffffffff81003334>] kernel_thread_helper+0x4/0x10
    [<ffffffff810651a0>] ? kthread+0x0/0xa0
    [<ffffffff81003330>] ? kernel_thread_helper+0x0/0x10

    The above trace was triggered by
    "dd if=/dev/zero of=/dev/sr0 bs=2048 count=32768"

    Signed-off-by: Shan Hai <shan.hai@windriver.com>
    Signed-off-by: Tejun Heo <tj@kernel.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

    --- a/drivers/ata/libata-core.c
    +++ b/drivers/ata/libata-core.c
    @@ -4074,6 +4074,7 @@ static const struct ata_blacklist_entry
    { "TORiSAN DVD-ROM DRD-N216", NULL, ATA_HORKAGE_MAX_SEC_128 },
    { "QUANTUM DAT DAT72-000", NULL, ATA_HORKAGE_ATAPI_MOD16_DMA },
    { "Slimtype DVD A DS8A8SH", NULL, ATA_HORKAGE_MAX_SEC_LBA48 },
    + { "Slimtype DVD A DS8A9SH", NULL, ATA_HORKAGE_MAX_SEC_LBA48 },

    /* Devices we expect to fail diagnostics */




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