[Networker] Fibre Channel errors with tape devices

We are using a Emulex LP9000 HBA connected to a brocade switch to 6 x
IBM LTO-2 drives and a STKL180 robotics. We have had a few problems and
cranking the verbose logging of the Emulex driver up, we are seeing tons
of error messages like: 

Jul 29 10:01:03 regulus lpfc: [ID 728700 kern.info] NOTICE:
lpfc2:0716:FPi:FCP Read Underrun, expected 255, residual 197 Data: xff
x12 x0
Jul 29 10:01:03 regulus lpfc: [ID 728700 kern.info] NOTICE:
lpfc2:0729:FPw:FCP cmd x12 failed <0/0> status: x1 result: xc5 Data:
x273 x8c1
Jul 29 10:01:03 regulus lpfc: [ID 728700 kern.info] NOTICE:
lpfc2:0730:FPw:FCP command failed: RSP Data: x18 x0 x4 x0 x0 x0
Jul 29 10:01:03 regulus lpfc: [ID 728700 kern.info] NOTICE:
lpfc2:0716:FPi:FCP Read Underrun, expected 16, residual 4 Data: x10 x1a
x0
Jul 29 10:01:03 regulus lpfc: [ID 728700 kern.info] NOTICE:
lpfc2:0729:FPw:FCP cmd x1a failed <0/0> status: x1 result: x4 Data: x58c
x8c3
Jul 29 10:01:03 regulus lpfc: [ID 728700 kern.info] NOTICE:
lpfc2:0730:FPw:FCP command failed: RSP Data: x18 x0 xc5 x0 x0 x0
Jul 29 10:01:03 regulus lpfc: [ID 728700 kern.info] NOTICE:
lpfc2:0716:FPi:FCP Read Underrun, expected 255, residual 197 Data: xff
x12 x0
Jul 29 10:01:03 regulus lpfc: [ID 728700 kern.info] NOTICE:
lpfc2:0729:FPw:FCP cmd x12 failed <0/0> status: x1 result: xc5 Data:
x135 x8cc
Jul 29 10:01:03 regulus lpfc: [ID 728700 kern.info] NOTICE:
lpfc2:0730:FPw:FCP command failed: RSP Data: x18 x0 x6 x0 x0 x0
Jul 29 10:01:03 regulus lpfc: [ID 728700 kern.info] NOTICE:
lpfc2:0716:FPi:FCP Read Underrun, expected 12, residual 6 Data: xc x5 x0
Jul 29 10:01:03 regulus lpfc: [ID 728700 kern.info] NOTICE:
lpfc2:0729:FPw:FCP cmd x5 failed <0/0> status: x1 result: x6 Data: x721
x8cd

Does anyone have any idea what is causing this and if it should be
fixed?

----
Matthew Huff           | One Manhattanville Rd
Director of Operations | Purchase, NY 10577
OTA LLC                | Phone: 914-460-4039 
http://www.otaotr.com  | Fax:   914-460-4139     

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