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    SubjectRE: [git patches] libata fixes
    Date
    Hell Tejun,

    I've boot-tested this yesterday, with no real luck...

    1 - Tested on top of 2.6.21-rc2 (hope it's fine for you),
    2 - Collected a full dmesg before and after

    Extract is :
    ata7: PATA max UDMA/100 cmd 0x0000000000019c00 ctl 0x0000000000019882 bmdma
    0x00
    00000000019400 irq 16
    ata8: PATA max UDMA/100 cmd 0x0000000000019800 ctl 0x0000000000019482 bmdma
    0x00
    00000000019408 irq 16
    scsi6 : pata_jmicron
    ata7.00: ATAPI, max UDMA/66
    ata7.00: configured for UDMA/66
    scsi7 : pata_jmicron
    ATA: abnormal status 0x7F on port 0x0000000000019807
    ata7.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
    ata7.00: cmd a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x12 data 36 in
    res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
    ata7: soft resetting port
    ata7.00: configured for UDMA/66
    ata7: EH complete
    ata7.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
    ata7.00: cmd a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x12 data 36 in
    res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
    ata7: soft resetting port
    ata7.00: configured for UDMA/66
    ata7: EH complete
    ata7.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
    ata7.00: cmd a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x12 data 36 in
    res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
    ata7: soft resetting port
    ata7.00: configured for UDMA/66
    ata7: EH complete
    ata7.00: limiting speed to UDMA/44:PIO4
    ata7.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
    ata7.00: cmd a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x12 data 36 in
    res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
    ata7: soft resetting port
    ata7.00: configured for UDMA/44
    ata7: EH complete

    Hope this helps...

    Regards,
    Paul

    Paul Rolland, rol(at)as2917.net
    ex-AS2917 Network administrator and Peering Coordinator

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    > -----Original Message-----
    > From: linux-ide-owner@vger.kernel.org
    > [mailto:linux-ide-owner@vger.kernel.org] On Behalf Of Tejun Heo
    > Sent: Monday, March 05, 2007 4:45 PM
    > To: rol@as2917.net
    > Cc: 'Jeff Garzik'; 'Andrew Morton'; 'Linus Torvalds';
    > linux-ide@vger.kernel.org; 'LKML'; 'Eric D. Mudama'
    > Subject: Re: [git patches] libata fixes
    >
    > Paul Rolland wrote:
    > > Hello,
    > >
    > >> Your drive has some issues with NCQ and is scheduled to be
    > blacklisted
    > >> such that it isn't enabled. libata used to ignore the
    > >> condition but now
    > >> considers it NCQ protocol violation and fails all pending commands.
    > >
    > > OK, do you need an hdparm report to fully identify the disk ?
    >
    > Nope, we already know.
    >
    > >> libata EH should turn NCQ off automatically after a few of
    > the above
    > >> errors. I'd love to see how that actually works in the field (full
    > >> dmesg please). If it doesn't, it needs fixing.
    > >
    > > I'll get you one tonite, I don't have access to the machine
    > right now.
    >
    > Great. Thanks.
    >
    > --
    > tejun
    > -
    > To unsubscribe from this list: send the line "unsubscribe
    > linux-ide" in
    > the body of a message to majordomo@vger.kernel.org
    > More majordomo info at http://vger.kernel.org/majordomo-info.html
    >
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