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    SubjectRe: possible esata regression in 2.6.35
    Date
    On sobota, 21 sierpnia 2010 o 20:52:32 Nicolas Jungers wrote:
    > My arm box doesn't succeed to use my esata port multiplier (addonics
    > sil3726 based). It was working well with 2.6.34.1 and 2.6.34.4 but not
    > with both 2.6.35.2 and 2.6.35.3. I haven't test other kernels.
    >
    > The kernels are from http://sheeva.with-linux.com/sheeva/ with for
    > example the following config
    > http://sheeva.with-linux.com/sheeva/2.6.35.3/sheeva-2.6.35.3.config
    >
    > The symptoms are in the console a loop on the esata links. Here is the
    > start of it:
    >
    > ata2: exception Emask 0x10 SAct 0x0 SErr 0x4010000 action 0xe frozen
    > ata2: edma_err_cause=00000010 pp_flags=00000000, dev connect
    > ata2: SError: { PHYRdyChg DevExch }
    > ata2: hard resetting link
    > ata2: SATA link up 3.0 Gbps (SStatus 123 SControl F300)
    > ata2.15: Port Multiplier 1.1, 0x1095:0x3726 r23, 6 ports, feat 0x1/0x9
    > ata2.00: hard resetting link
    > ata2.01: hard resetting link
    > ata2.02: hard resetting link
    > ata2.03: hard resetting link
    > ata2.04: hard resetting link
    > ata2.05: hard resetting link
    > ata2.00: qc timeout (cmd 0xec)
    > ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4)
    > ata2.15: hard resetting link
    > ata2.15: SATA link up 3.0 Gbps (SStatus 123 SControl F300)
    > ata2.00: hard resetting link
    > ata2.01: hard resetting link
    > ata2.02: hard resetting link
    > ata2.04: hard resetting link
    > ata2.05: hard resetting link
    > ata2.00: qc timeout (cmd 0xec)
    > ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4)
    > ata2.15: hard resetting link
    > ata2.15: SATA link up 3.0 Gbps (SStatus 123 SControl F300)
    > ata2.00: hard resetting link
    > ata2.01: hard resetting link
    > ata2.02: hard resetting link
    > ata2.03: hard resetting link
    > ata2.04: hard resetting link
    > ata2.05: hard resetting link
    > ata2.00: qc timeout (cmd 0xec)
    > ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4)
    > ata2.00: failed to recover link after 3 tries, disabling
    > ata2.15: hard resetting link
    > ata2.15: SATA link up 3.0 Gbps (SStatus 123 SControl F300)
    >

    I created a Bugzilla entry at
    https://bugzilla.kernel.org/show_bug.cgi?id=17071
    for your bug report, please add your address to the CC list in there, thanks!

    --
    Maciej Rutecki
    http://www.maciek.unixy.pl


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