The following reply was made to PR kern/35071; it has been noted by GNATS.

From: Tracy Di Marco White <tjd-nb-pr@menelos.com>
To: gnats-bugs@NetBSD.org
Cc: 
Subject: Re: kern/35071: panic: mpt_get_request: corrupted request free list (xfer) 
Date: Fri, 01 Dec 2006 09:15:43 -0600

 I seem to be getting this every day, or every other day.  So, more messages.
 
 st2: already open
 st0(mpt3:0:1:0): command timeout
 mpt3: timeout on request index = 0xfe, seq = 0x0133d791
 mpt3: Status 0x00000000, Mask 0x00000001, Doorbell 0x24000000
 mpt3: request state: On Chip
 mpt3: mpt_done: no scsipi_xfer, index = 0xfe, seq = 0x00000000
 mpt3: request state: Free
 mpt3: mpt_request:
 SCSI IO Request @ 0xc09d2aa8
         Chain Offset  0x00
         MsgFlags      0x00
         MsgContext    0x000000fe
         Bus:                0
         TargetID            2
         SenseBufferLength   32
         LUN:              0x0
         Control           0x00000500  NODATATRANSFER  UNTAGGED 
         DataLength      0x00000000
         SenseBufAddr    0x04798de0
         CDB[0:6]        1e 00 00 00 00 00 
         SE32 0xce558c30: Addr=0x0 FlagsLength=0xd1000000
          LAST_ELEMENT END_OF_BUFFER END_OF_LIST
 mpt3: mpt_reply:
 SCSI IO Request Reply @ 0xce38f480
         IOC Status    Success
         IOCLogInfo    0x00000000
         MsgLength     0x08
         MsgFlags      0x00
         MsgContext    0x000000fe
         Bus:          0
         TargetID      1
         CDBLength     6
         SCSI Status:  Busy
         SCSI State:   (0x00000000)
         TransferCnt   0x0000
         SenseCnt      0x0000
         ResponseInfo  0x00000000
 
 
 
 panic: mpt_get_request: corrupted request free list (xfer)
 
 Stopped in pid 8333.1 (tibsmnt) at      netbsd:cpu_Debugger+0x4:        leave
 db> t
 cpu_Debugger(cf59cd90,10002,0,ce3d9828,c4bc9400) at netbsd:cpu_Debugger+0x4
 panic(c08317f8,6,ce42fa80,0,1) at netbsd:panic+0x141
 mpt_get_request(c4bc9400,10002,ce3d986c,c042a7f0,cf59cd20) at netbsd:mpt_get_request+0x5b
 mpt_scsipi_request(c4bc96dc,0,c429ff0c,0,ce3d9900) at netbsd:mpt_scsipi_request+0x4d
 scsipi_run_queue(ce42fa80,0,c4d65100,c4bc96dc,0) at netbsd:scsipi_run_queue+0x184
 scsipi_execute_xs(c429ff0c,ce3d9982,6,0,0) at netbsd:scsipi_execute_xs+0x17e
 scsipi_test_unit_ready(c4d65100,0,0,cf59cd20,cf59cd20) at netbsd:scsipi_test_unit_ready+0x4d
 stopen(e11,801,2000,d4a4eec4,cf59cd20) at netbsd:stopen+0xd6
 spec_open(ce3d9a78,2,7432d,202,c087934c) at netbsd:spec_open+0x1df
 VOP_OPEN(cf59cd20,801,cf806ce8,d4a4eec4,d4a4eec4) at netbsd:VOP_OPEN+0x2f
 vn_open(ce3d9b68,801,42c,d4a4eec4,90e6887e) at netbsd:vn_open+0x266
 sys_open(d4a4eec4,ce3d9c00,ce3d9c68,d4a4eec4,106) at netbsd:sys_open+0xa0
 linux_sys_open(d4a4eec4,ce3d9c48,ce3d9c68,8563f70,8198000) at netbsd:linux_sys_open+0x70
 linux_syscall_plain(ce3d9c88,2b,bfbf002b,bbbf002b,bfbf002b) at netbsd:linux_syscall_plain+0xa8
 db>