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    SubjectRe: mvsas errors in 2.6.36
    From
    Hello Thomas,

    I'm seeing similar errors on 2.6.36-rc3 (which should have the same
    mvsas driver).
    When copying lots of data over samba to a sofware raid6 on top of
    mvsas, my samba connection stalls and the following is reported:

    drivers/scsi/mvsas/mv_sas.c 1632:mvs_query_task:rc= 5
    drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for device[7]:rc= 0
    ata18: translated ATA stat/err 0x01/04 to SCSI SK/ASC/ASCQ 0xb/00/00
    ata18: status=0x01 { Error }
    ata18: error=0x04 { DriveStatusError }
    drivers/scsi/mvsas/mv_sas.c 1632:mvs_query_task:rc= 5
    drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for device[7]:rc= 0
    ata18: translated ATA stat/err 0x01/04 to SCSI SK/ASC/ASCQ 0xb/00/00
    ata18: status=0x01 { Error }
    ata18: error=0x04 { DriveStatusError }
    drivers/scsi/mvsas/mv_sas.c 1632:mvs_query_task:rc= 5
    drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for device[6]:rc= 0
    ata17: translated ATA stat/err 0x01/04 to SCSI SK/ASC/ASCQ 0xb/00/00
    ata17: status=0x01 { Error }
    ata17: error=0x04 { DriveStatusError }
    drivers/scsi/mvsas/mv_sas.c 1632:mvs_query_task:rc= 5
    drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for device[7]:rc= 0
    ata18: translated ATA stat/err 0x01/04 to SCSI SK/ASC/ASCQ 0xb/00/00
    ata18: status=0x01 { Error }
    ata18: error=0x04 { DriveStatusError }
    drivers/scsi/mvsas/mv_sas.c 1632:mvs_query_task:rc= 5
    drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for device[7]:rc= 0
    ata18: translated ATA stat/err 0x01/04 to SCSI SK/ASC/ASCQ 0xb/00/00
    ata18: status=0x01 { Error }
    ata18: error=0x04 { DriveStatusError }

    No data is lost and raid never breaks, but this is a nuisance. The
    above can be reproduced when doing lot's of IO to mvsas independent of
    samba: e.g. a large local file copy to mvsas or even rm -rf of large
    subdirectory in xfs can trigger it. Then these operations become
    terribly slow.

    Best regards,

    Frederic Vanden Poel

    On Sun, Oct 31, 2010 at 4:11 PM, Thomas Fjellstrom <thomas@fjellstrom.ca> wrote:
    > On October 29, 2010, Thomas Fjellstrom wrote:
    >> Good news and bad news, the current mvsas driver in 2.6.36 seems to work
    >> better than older kernels with my setup (2 port sas + 5 SATA disks). But I
    >> gotten the following messages so far:
    >>
    >> [  213.856050] drivers/scsi/mvsas/mv_sas.c 1703:<7>mv_abort_task()
    >> mvi=ffff880123200000 task=ffff880122545a40 slot=ffff880123226628
    >> slot_idx=x3 [  213.856064] drivers/scsi/mvsas/mv_sas.c
    >> 1632:mvs_query_task:rc= 5 [  213.856094] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 0 ctrl sts=0x89800. [  213.856100] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 0 irq sts = 0x1001 [  213.856111] drivers/scsi/mvsas/mv_sas.c
    >> 2111:phy0 Unplug Notice [  213.866069] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 0 ctrl sts=0x199800. [  213.866078] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 0 irq sts = 0x1081 [  213.887617] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 0 ctrl sts=0x199800. [  213.887625] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 0 irq sts = 0x10000 [  213.887632] drivers/scsi/mvsas/mv_sas.c
    >> 2138:notify plug in on phy[0] [  213.991191] drivers/scsi/mvsas/mv_sas.c
    >> 1224:port 0 attach dev info is 0 [  213.991191]
    >> drivers/scsi/mvsas/mv_sas.c 1226:port 0 attach sas addr is 0 [
    >> 213.995701] drivers/scsi/mvsas/mv_sas.c 378:phy 0 byte dmaded.
    >> [  216.064032] drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for
    >> device[0]:rc= 0 [  216.064049] ata9: translated ATA stat/err 0x01/04 to
    >> SCSI SK/ASC/ASCQ 0xb/00/00 [  216.064647] ata9.00: device reported invalid
    >> CHS sector 0
    >> [  216.065226] ata9: status=0x01 { Error }
    >> [  216.065815] ata9: error=0x04 { DriveStatusError }
    >> [ 1519.840061] drivers/scsi/mvsas/mv_sas.c 1703:<7>mv_abort_task()
    >> mvi=ffff880123200000 task=ffff88011f944700 slot=ffff880123226680
    >> slot_idx=x4 [ 1519.840075] drivers/scsi/mvsas/mv_sas.c
    >> 1632:mvs_query_task:rc= 5 [ 1519.840107] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 3 ctrl sts=0x89800. [ 1519.840113] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 3 irq sts = 0x1001 [ 1519.840124] drivers/scsi/mvsas/mv_sas.c
    >> 2111:phy3 Unplug Notice [ 1519.850080] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 3 ctrl sts=0x199800. [ 1519.850086] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 3 irq sts = 0x1081 [ 1519.854247] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 3 ctrl sts=0x199800. [ 1519.854250] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 3 irq sts = 0x10000 [ 1519.854252] drivers/scsi/mvsas/mv_sas.c
    >> 2138:notify plug in on phy[3] [ 1519.951698] drivers/scsi/mvsas/mv_sas.c
    >> 1224:port 3 attach dev info is 2000000 [ 1519.951698]
    >> drivers/scsi/mvsas/mv_sas.c 1226:port 3 attach sas addr is 3 [
    >> 1519.963251] drivers/scsi/mvsas/mv_sas.c 378:phy 3 byte dmaded.
    >> [ 1522.048039] drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for
    >> device[3]:rc= 0 [ 1522.048056] ata12: translated ATA stat/err 0x01/04 to
    >> SCSI SK/ASC/ASCQ 0xb/00/00 [ 1522.048679] ata12.00: device reported
    >> invalid CHS sector 0
    >> [ 1522.049268] ata12: status=0x01 { Error }
    >> [ 1522.049856] ata12: error=0x04 { DriveStatusError }
    >> [ 1558.816044] drivers/scsi/mvsas/mv_sas.c 1703:<7>mv_abort_task()
    >> mvi=ffff880123200000 task=ffff880124d89500 slot=ffff880123226680
    >> slot_idx=x4 [ 1558.816058] drivers/scsi/mvsas/mv_sas.c
    >> 1632:mvs_query_task:rc= 5 [ 1558.816086] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 3 ctrl sts=0x89800. [ 1558.816092] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 3 irq sts = 0x1001 [ 1558.816103] drivers/scsi/mvsas/mv_sas.c
    >> 2111:phy3 Unplug Notice [ 1558.826059] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 3 ctrl sts=0x199800. [ 1558.826066] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 3 irq sts = 0x1081 [ 1558.829663] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 3 ctrl sts=0x199800. [ 1558.829670] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 3 irq sts = 0x10000 [ 1558.829677] drivers/scsi/mvsas/mv_sas.c
    >> 2138:notify plug in on phy[3] [ 1558.904494] drivers/scsi/mvsas/mv_sas.c
    >> 1224:port 3 attach dev info is 2000000 [ 1558.904494]
    >> drivers/scsi/mvsas/mv_sas.c 1226:port 3 attach sas addr is 3 [
    >> 1558.938424] drivers/scsi/mvsas/mv_sas.c 378:phy 3 byte dmaded.
    >> [ 1561.024027] drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for
    >> device[3]:rc= 0 [ 1561.024044] ata12: translated ATA stat/err 0x01/04 to
    >> SCSI SK/ASC/ASCQ 0xb/00/00 [ 1561.024652] ata12.00: device reported
    >> invalid CHS sector 0
    >> [ 1561.025242] ata12: status=0x01 { Error }
    >> [ 1561.025834] ata12: error=0x04 { DriveStatusError }
    >> [ 1594.800036] drivers/scsi/mvsas/mv_sas.c 1703:<7>mv_abort_task()
    >> mvi=ffff880123200000 task=ffff88011f945a40 slot=ffff880123226680
    >> slot_idx=x4 [ 1594.800051] drivers/scsi/mvsas/mv_sas.c
    >> 1632:mvs_query_task:rc= 5 [ 1594.800077] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 3 ctrl sts=0x89800. [ 1594.800083] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 3 irq sts = 0x1001 [ 1594.800094] drivers/scsi/mvsas/mv_sas.c
    >> 2111:phy3 Unplug Notice [ 1594.810048] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 3 ctrl sts=0x199800. [ 1594.810055] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 3 irq sts = 0x1081 [ 1594.814327] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 3 ctrl sts=0x199800. [ 1594.814330] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 3 irq sts = 0x10000 [ 1594.814332] drivers/scsi/mvsas/mv_sas.c
    >> 2138:notify plug in on phy[3] [ 1594.882000] drivers/scsi/mvsas/mv_sas.c
    >> 1224:port 3 attach dev info is 2000000 [ 1594.882000]
    >> drivers/scsi/mvsas/mv_sas.c 1226:port 3 attach sas addr is 3 [
    >> 1594.923382] drivers/scsi/mvsas/mv_sas.c 378:phy 3 byte dmaded.
    >> [ 1597.008031] drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for
    >> device[3]:rc= 0 [ 1597.008048] ata12: translated ATA stat/err 0x01/04 to
    >> SCSI SK/ASC/ASCQ 0xb/00/00 [ 1597.008675] ata12.00: device reported
    >> invalid CHS sector 0
    >> [ 1597.009271] ata12: status=0x01 { Error }
    >> [ 1597.009871] ata12: error=0x04 { DriveStatusError }
    >> [ 2193.824051] drivers/scsi/mvsas/mv_sas.c 1703:<7>mv_abort_task()
    >> mvi=ffff880123200000 task=ffff880009c7c540 slot=ffff8801232265d0
    >> slot_idx=x2 [ 2193.824065] drivers/scsi/mvsas/mv_sas.c
    >> 1632:mvs_query_task:rc= 5 [ 2193.824092] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 0 ctrl sts=0x89800. [ 2193.824099] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 0 irq sts = 0x1001001 [ 2193.824109] drivers/scsi/mvsas/mv_sas.c
    >> 2111:phy0 Unplug Notice [ 2193.834062] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 0 ctrl sts=0x199800. [ 2193.834067] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 0 irq sts = 0x1001081 [ 2193.855272] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 0 ctrl sts=0x199800. [ 2193.855279] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 0 irq sts = 0x10000 [ 2193.855286] drivers/scsi/mvsas/mv_sas.c
    >> 2138:notify plug in on phy[0] [ 2193.859234] drivers/scsi/mvsas/mv_sas.c
    >> 1224:port 0 attach dev info is 0 [ 2193.859234]
    >> drivers/scsi/mvsas/mv_sas.c 1226:port 0 attach sas addr is 0 [
    >> 2193.959270] drivers/scsi/mvsas/mv_sas.c 378:phy 0 byte dmaded.
    >> [ 2196.032026] drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for
    >> device[0]:rc= 0 [ 2196.032045] ata9: translated ATA stat/err 0x01/04 to
    >> SCSI SK/ASC/ASCQ 0xb/00/00 [ 2196.032676] ata9: status=0x01 { Error }
    >> [ 2196.033274] ata9: error=0x04 { DriveStatusError }
    >> [ 2440.800047] drivers/scsi/mvsas/mv_sas.c 1703:<7>mv_abort_task()
    >> mvi=ffff880123200000 task=ffff880010f36700 slot=ffff880123226628
    >> slot_idx=x3 [ 2440.800061] drivers/scsi/mvsas/mv_sas.c
    >> 1632:mvs_query_task:rc= 5 [ 2440.800090] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 7 ctrl sts=0x89800. [ 2440.800096] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 7 irq sts = 0x1001 [ 2440.800107] drivers/scsi/mvsas/mv_sas.c
    >> 2111:phy7 Unplug Notice [ 2440.810060] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 7 ctrl sts=0x199800. [ 2440.810065] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 7 irq sts = 0x1081 [ 2440.831453] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 7 ctrl sts=0x199800. [ 2440.831460] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 7 irq sts = 0x10000 [ 2440.831467] drivers/scsi/mvsas/mv_sas.c
    >> 2138:notify plug in on phy[7] [ 2440.880053] drivers/scsi/mvsas/mv_sas.c
    >> 1224:port 7 attach dev info is 4000000 [ 2440.880053]
    >> drivers/scsi/mvsas/mv_sas.c 1226:port 7 attach sas addr is 7 [
    >> 2440.940497] drivers/scsi/mvsas/mv_sas.c 378:phy 7 byte dmaded.
    >> [ 2443.008033] drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for
    >> device[4]:rc= 0 [ 2443.008052] ata13: translated ATA stat/err 0x01/04 to
    >> SCSI SK/ASC/ASCQ 0xb/00/00 [ 2443.008685] ata13: status=0x01 { Error }
    >> [ 2443.009295] ata13: error=0x04 { DriveStatusError }
    >> [ 2675.808044] drivers/scsi/mvsas/mv_sas.c 1703:<7>mv_abort_task()
    >> mvi=ffff880123200000 task=ffff88011aae3500 slot=ffff880123226578
    >> slot_idx=x1 [ 2675.808058] drivers/scsi/mvsas/mv_sas.c
    >> 1632:mvs_query_task:rc= 5 [ 2675.808088] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 2 ctrl sts=0x89800. [ 2675.808094] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 2 irq sts = 0x1001 [ 2675.808104] drivers/scsi/mvsas/mv_sas.c
    >> 2111:phy2 Unplug Notice [ 2675.818051] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 2 ctrl sts=0x199800. [ 2675.818057] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 2 irq sts = 0x1081 [ 2675.839505] drivers/scsi/mvsas/mv_sas.c
    >> 2083:port 2 ctrl sts=0x199800. [ 2675.839513] drivers/scsi/mvsas/mv_sas.c
    >> 2085:Port 2 irq sts = 0x10000 [ 2675.839519] drivers/scsi/mvsas/mv_sas.c
    >> 2138:notify plug in on phy[2] [ 2675.874139] drivers/scsi/mvsas/mv_sas.c
    >> 1224:port 2 attach dev info is 4 [ 2675.874139]
    >> drivers/scsi/mvsas/mv_sas.c 1226:port 2 attach sas addr is 2 [
    >> 2675.936683] drivers/scsi/mvsas/mv_sas.c 378:phy 2 byte dmaded.
    >> [ 2678.016055] drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for
    >> device[2]:rc= 0 [ 2678.016075] ata11: translated ATA stat/err 0x01/04 to
    >> SCSI SK/ASC/ASCQ 0xb/00/00 [ 2678.016706] ata11: status=0x01 { Error }
    >> [ 2678.017315] ata11: error=0x04 { DriveStatusError }
    >> [ 2678.017964] ata9: translated ATA stat/err 0x01/04 to SCSI SK/ASC/ASCQ
    >> 0xb/00/00 [ 2678.018573] ata9: status=0x01 { Error }
    >> [ 2678.019175] ata9: error=0x04 { DriveStatusError }
    >>
    >> I did not unplug a disk, the errors seem to be spurious.
    >>
    >> Otherwise though things seem to be working. At least so far. The
    >> mv_abort_task part is very familiar, the older version of this driver
    >> would do it right after attempting to build/activate the md raid5 array
    >> that lives on this controller. Except the controller would lock up, and
    >> all drives would become inaccessible.
    >>
    >> I'm going to attempt to grow this array today, so long as the xfs_fsr that
    >> I started doesn't cause the array to fail.
    >>
    >> If I keep getting mv_abort_task errors, I'll have to back down to the copy
    >> of the driver I got from Andy Yan. I've managed to patch it up to compile
    >> for 2.6.36 just now, I just hope it'll work at least as well as it did
    >> with 2.6.34. At the very least I didn't get these errors.
    >>
    >> Some background, the disks attached to the card are (5) Seagate 7200.12 1TB
    >> disks, using SAS->SATA cables. Machine is a amd64 Phenom II X4 810 w/4G
    >> ram running debian sid and a vanila 2.6.36 kernel. The card is a
    >> AOC-SASLP-MV8, according to lspci:
    >>
    >> 04:00.0 SCSI storage controller: Marvell Technology Group Ltd.
    >> MV64460/64461/64462 System Controller, Revision B (rev 01)
    >>
    >> according to dmesg:
    >>
    >> [    2.819325] mvsas 0000:04:00.0: mvsas: driver version 0.8.2
    >> [    2.819394] mvsas 0000:04:00.0: PCI INT A -> GSI 19 (level, low) -> IRQ
    >> 19 [    2.819454] mvsas 0000:04:00.0: setting latency timer to 64
    >> [    2.820952] mvsas 0000:04:00.0: mvsas: PCI-E x4, Bandwidth Usage: 2.5
    >> Gbps [    7.203222] drivers/scsi/mvsas/mv_sas.c 1224:port 0 attach dev
    >> info is 0 [    7.203225] drivers/scsi/mvsas/mv_sas.c 1226:port 0 attach
    >> sas addr is 0 [    7.403220] drivers/scsi/mvsas/mv_sas.c 1224:port 1
    >> attach dev info is 0 [    7.403223] drivers/scsi/mvsas/mv_sas.c 1226:port
    >> 1 attach sas addr is 1 [    7.603221] drivers/scsi/mvsas/mv_sas.c
    >> 1224:port 2 attach dev info is 4 [    7.603223]
    >> drivers/scsi/mvsas/mv_sas.c 1226:port 2 attach sas addr is 2 [
    >> 7.803221] drivers/scsi/mvsas/mv_sas.c 1224:port 3 attach dev info is
    >> 2000000 [    7.803224] drivers/scsi/mvsas/mv_sas.c 1226:port 3 attach sas
    >> addr is 3 [    7.904015] drivers/scsi/mvsas/mv_sas.c 1224:port 4 attach
    >> dev info is 0 [    7.904018] drivers/scsi/mvsas/mv_sas.c 1226:port 4
    >> attach sas addr is 0 [    8.008014] drivers/scsi/mvsas/mv_sas.c 1224:port
    >> 5 attach dev info is 0 [    8.008017] drivers/scsi/mvsas/mv_sas.c
    >> 1226:port 5 attach sas addr is 0 [    8.112014]
    >> drivers/scsi/mvsas/mv_sas.c 1224:port 6 attach dev info is 0 [
    >> 8.112016] drivers/scsi/mvsas/mv_sas.c 1226:port 6 attach sas addr is 0 [
    >>  8.315223] drivers/scsi/mvsas/mv_sas.c 1224:port 7 attach dev info is
    >> 4000000 [    8.315226] drivers/scsi/mvsas/mv_sas.c 1226:port 7 attach sas
    >> addr is 7 [    8.315230] scsi8 : mvsas
    >> [    8.315620] drivers/scsi/mvsas/mv_sas.c 378:phy 0 byte dmaded.
    >> [    8.315624] drivers/scsi/mvsas/mv_sas.c 378:phy 1 byte dmaded.
    >> [    8.315628] drivers/scsi/mvsas/mv_sas.c 378:phy 2 byte dmaded.
    >> [    8.315632] drivers/scsi/mvsas/mv_sas.c 378:phy 3 byte dmaded.
    >> [    8.315636] drivers/scsi/mvsas/mv_sas.c 378:phy 7 byte dmaded.
    >> [    8.316762] drivers/scsi/mvsas/mv_sas.c 1388:found dev[0:5] is gone.
    >> [    8.384626] drivers/scsi/mvsas/mv_sas.c 1388:found dev[1:5] is gone.
    >> [    8.452444] drivers/scsi/mvsas/mv_sas.c 1388:found dev[2:5] is gone.
    >> [    8.520181] drivers/scsi/mvsas/mv_sas.c 1388:found dev[3:5] is gone.
    >> [    8.523810] drivers/scsi/mvsas/mv_sas.c 1388:found dev[4:5] is gone.
    >>
    >> I just hope the raid5 reshape I'm about to do doesn't crap its pants
    >> because of the errors above.
    >>
    >> I'd like to help test any fixes or changes if needed. Let me know.
    >>
    >> Thanks again.
    >
    > After a couple days of uptime, the messages are still happening:
    >
    > [175665.888045] drivers/scsi/mvsas/mv_sas.c 1703:<7>mv_abort_task() mvi=ffff880123b00000 task=ffff88010e77e000 slot=ffff880123b26680 slot_idx=x4
    > [175665.888059] drivers/scsi/mvsas/mv_sas.c 1632:mvs_query_task:rc= 5
    > [175665.888086] drivers/scsi/mvsas/mv_sas.c 2083:port 0 ctrl sts=0x89800.
    > [175665.888092] drivers/scsi/mvsas/mv_sas.c 2085:Port 0 irq sts = 0x1001
    > [175665.888103] drivers/scsi/mvsas/mv_sas.c 2111:phy0 Unplug Notice
    > [175665.898053] drivers/scsi/mvsas/mv_sas.c 2083:port 0 ctrl sts=0x199800.
    > [175665.898061] drivers/scsi/mvsas/mv_sas.c 2085:Port 0 irq sts = 0x1081
    > [175665.919498] drivers/scsi/mvsas/mv_sas.c 2083:port 0 ctrl sts=0x199800.
    > [175665.919501] drivers/scsi/mvsas/mv_sas.c 2085:Port 0 irq sts = 0x10000
    > [175665.919503] drivers/scsi/mvsas/mv_sas.c 2138:notify plug in on phy[0]
    > [175666.018302] drivers/scsi/mvsas/mv_sas.c 1224:port 0 attach dev info is 0
    > [175666.018302] drivers/scsi/mvsas/mv_sas.c 1226:port 0 attach sas addr is 0
    > [175666.028291] drivers/scsi/mvsas/mv_sas.c 378:phy 0 byte dmaded.
    > [175668.096048] drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for device[0]:rc= 0
    > [175668.096066] ata9: translated ATA stat/err 0x01/04 to SCSI SK/ASC/ASCQ 0xb/00/00
    > [175668.096739] ata9.00: device reported invalid CHS sector 0
    > [175668.097379] ata9: status=0x01 { Error }
    > [175668.098022] ata9: error=0x04 { DriveStatusError }
    >
    > No fatal errors yet.
    >
    > --
    > Thomas Fjellstrom
    > thomas@fjellstrom.ca
    > --
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