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    SubjectRe: libata error handling
    On 1/6/07, Kasper Sandberg <lkml@metanurb.dk> wrote:
    > On Sat, 2007-01-06 at 13:01 -0600, Robert Hancock wrote:
    > > Kasper Sandberg wrote:
    > > > On Sat, 2007-01-06 at 12:21 -0600, Robert Hancock wrote:
    > > >> Kasper Sandberg wrote:
    > > >>> i have heard that libata has much better error handling (this is what
    > > >>> made me try it), and from initial observations, that appears to be very
    > > >>> true, however, im wondering, is there something i can do to get
    > > >>> extremely verbose information from libata? for example if it corrects
    > > >>> errors? cause i'd really like to know if it still happens, and if i
    > > >>> perhaps get corruption as before, even though not severe.
    > > >> Any errors, timeouts or retries would be showing up in dmesg..
    > > > how sure can i be of this? is it 100% sure that i have not encountered
    > > > this error then?
    > >
    > > Pretty sure, I'm quite certain libata never does any silent error recovery..

    AFAIR this is true
    (at least it was last time that I've looked at libata eh code)

    > okay, i suppose i face two possibilities then:
    > 1: libata drivers are simply better, and the error does not occur
    > because of driver bugs in the old ide drivers

    very likely however pdc202xx_new bugs should be fixed in 2.6.20-rc3
    (as it contains a lot of bugfixes for this driver from Sergei Shtylyov)

    > 2: it hasnt happened to me on libata yet (though this is also abit
    > weird, as it has now ran far longer than were previously required to hit
    > the errors)
    -
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