Problem with mpt(4) and Infortrend RAID

[Rong-En Fan]

On Sat, Feb 19, 2005 at 04:29:01AM +0800, Rong-En Fan wrote:
> On Fri, Feb 18, 2005 at 03:17:46PM +0800, Rong-En Fan wrote:
> > On Fri, Feb 18, 2005 at 03:04:00AM +0800, Xin LI wrote:
> > > Have you got a chance to test this, I have gotten some similar problem
> > > and got rid of them with the following patch applied (credit goes to
> > > gibbs@ who fixed this last November):
> > > 
> > > http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/cam/cam_xpt.c.diff?r1=1.142&r2=1.142.2.2
> > > 
> > > This might be important since I think this has affected many users who
> > > wants to use multiple LUN's, and thus warrants a new errata candidate
> > > for 5.3-RELEASE.
> > > 
> > > Thanks in advance!
> > 
> > I have tested this with 5.3-p5:
> > 
> > 1. 2 LD -> 1 channel, 320MB/s ok     (with patch)
> > 2. 2 LD -> 1 channel, 320MB/s failed (without patch)
> > 
> > I simulate io by benchmark/blogbench
> 
> This box now serves as NFS server with 20 clients.
> and has some heavy io (about 30MB/s, lasting for 5 hours
> or so) with this patch works fine. (2 channels,
> each channel is 1 LD running at 320MB/s). Though you said
> this patch solves multiple LUN problem, I think this
> also solve my problem here.

I was wrong, with patch, and 1 LD -> 1 channel, 320MB/s
after 12hours, I got this:

mpt0: time out on request index = 0xf6 sequence = 0x00246948
mpt0: Status 00000001; Mask 00000001; Doorbell 24000000
request state On Chip
SCSI IO Request @ 0xe6489c20
        Chain Offset  0x10
        MsgFlags      0x00
        MsgContext    0x000000f6
        Bus:                0
        TargetID            0
        SenseBufferLength   32
        LUN:              0x0
        Control           0x01000000  WRITE  SIMPLEQ
        DataLength      0x00010000
        SenseBufAddr    0x7d610de0
        CDB[0:10]       2a 00 6c 59 d7 50 00 00 80 00
        SE32 0xe653dc30: Addr=0x3721e000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe653dc38: Addr=0x7a65f000 FlagsLength=0x94001000
         HOST_TO_IOC LAST_ELEMENT
        CE32 0xe653dc40: Addr=0x7d610c48 NxtChnO=0x16 Flgs=0x30 Len=0x60
        SE32 0xe653dc48: Addr=0x76380000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe653dc50: Addr=0xbae1000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe653dc58: Addr=0x559a2000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe653dc60: Addr=0x5343000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe653dc68: Addr=0x282c4000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe653dc70: Addr=0x41c5000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe653dc78: Addr=0x231c6000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe653dc80: Addr=0x5e9e7000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe653dc88: Addr=0x2ffa8000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe653dc90: Addr=0x6f09000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe653dc98: Addr=0x4c2aa000 FlagsLength=0x94001000
         HOST_TO_IOC LAST_ELEMENT
        CE32 0xe653dca0: Addr=0x7d610ca8 NxtChnO=0x0 Flgs=0x30 Len=0x18
        SE32 0xe653dca8: Addr=0x3294b000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe653dcb0: Addr=0x6e2ec000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe653dcb8: Addr=0x2d78d000 FlagsLength=0xd5001000
         HOST_TO_IOC LAST_ELEMENT END_OF_BUFFER END_OF_LIST
mpt0: time out on request index = 0x36 sequence = 0x00246949
mpt0: Status 00000001; Mask 00000001; Doorbell 24000000
request state On Chip
SCSI IO Request @ 0xe6489c20
        Chain Offset  0x10
        MsgFlags      0x00
        MsgContext    0x00000036
        Bus:                0
        TargetID            0
        SenseBufferLength   32
        LUN:              0x0
        Control           0x01000000  WRITE  SIMPLEQ
        DataLength      0x00010000
        SenseBufAddr    0x7d5f8de0
        CDB[0:10]       2a 00 6c 59 d7 d0 00 00 80 00
        SE32 0xe6525c30: Addr=0x878e000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe6525c38: Addr=0x7906f000 FlagsLength=0x94001000
         HOST_TO_IOC LAST_ELEMENT
        CE32 0xe6525c40: Addr=0x7d5f8c48 NxtChnO=0x16 Flgs=0x30 Len=0x60
        SE32 0xe6525c48: Addr=0x21170000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe6525c50: Addr=0x503f1000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe6525c58: Addr=0x58c92000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe6525c60: Addr=0x29a33000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe6525c68: Addr=0x181d4000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe6525c70: Addr=0x2875000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe6525c78: Addr=0x58c76000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe6525c80: Addr=0x4937000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe6525c88: Addr=0x5fc78000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe6525c90: Addr=0x7d019000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe6525c98: Addr=0x7915a000 FlagsLength=0x94001000
         HOST_TO_IOC LAST_ELEMENT
        CE32 0xe6525ca0: Addr=0x7d5f8ca8 NxtChnO=0x0 Flgs=0x30 Len=0x18
        SE32 0xe6525ca8: Addr=0x909b000 FlagsLength=0x14001000
         HOST_TO_IOC
        SE32 0xe6525cb0: Addr=0x27f9c000 FlagsLength=0x14001000
        HOST_TO_IOC
        SE32 0xe6525cb8: Addr=0x65a1d000 FlagsLength=0xd5001000
         HOST_TO_IOC LAST_ELEMENT END_OF_BUFFER END_OF_LIST


These are the only messages after that console hang.

Regards,
Rong-En Fan