snailvswind
遇到个奇怪问题，远程登录一台机器时发现SSh无响应，过一会就好了
最近遇到个奇怪问题，远程登录一台机器时发现SSh无响应，过一会就好了，日志如下，看不明白，谁明白是什么问题啊？
May 6 16:55:15 uc-web-36 kernel: (scsi0:A:0:0): Device is disconnected, re-queuing SCB
May 6 16:55:15 uc-web-36 kernel: Recovery code sleeping
May 6 16:55:15 uc-web-36 kernel: Recovery code awake
May 6 16:55:15 uc-web-36 kernel: Timer Expired
May 6 16:55:15 uc-web-36 kernel: scsi0:0:0:0: Attempting to abort cmd f7538400: 0x2a 0x0 0x1 0x5f 0x11 0x4d 0x0 0x0 0x48 0x0
May 6 16:55:15 uc-web-36 kernel: scsi0: At time of recovery, card was not paused
May 6 16:55:15 uc-web-36 kernel: >>>>>>>>>>>>>>>>>> Dump Card State Begins <<<<<<<<<<<<<<<<<
May 6 16:55:15 uc-web-36 kernel: scsi0: Dumping Card State at program address 0x1ae Mode 0x33
May 6 16:55:15 uc-web-36 kernel: Card was paused
May 6 16:55:15 uc-web-36 kernel: HS_MAILBOX[0x0] INTCTL[0x80] SEQINTSTAT[0x0] SAVED_MODE[0x11]
May 6 16:55:15 uc-web-36 kernel: DFFSTAT[0x31] SCSISIGI[0xa4] SCSIPHASE[0x0] SCSIBUS[0xd]
May 6 16:55:15 uc-web-36 kernel: LASTPHASE[0xa0] SCSISEQ0[0x0] SCSISEQ1[0x12] SEQCTL0[0x10]
May 6 16:55:15 uc-web-36 kernel: SEQINTCTL[0x0] SEQ_FLAGS[0x40] SEQ_FLAGS2[0x0] SSTAT0[0x0]
May 6 16:55:15 uc-web-36 kernel: SSTAT1[0x0] SSTAT2[0x0] SSTAT3[0x0] PERRDIAG[0x8]
May 6 16:55:15 uc-web-36 kernel: SIMODE1[0xac] LQISTAT0[0x0] LQISTAT1[0x0] LQISTAT2[0x0]
May 6 16:55:15 uc-web-36 kernel: LQOSTAT0[0x0] LQOSTAT1[0x0] LQOSTAT2[0x80]
May 6 16:55:15 uc-web-36 kernel:
May 6 16:55:15 uc-web-36 kernel: SCB Count = 64 CMDS_PENDING = 2 LASTSCB 0x36 CURRSCB 0x36 NEXTSCB 0xff40
May 6 16:55:15 uc-web-36 kernel: qinstart = 994 qinfifonext = 995
May 6 16:55:15 uc-web-36 kernel: QINFIFO: 0x38
May 6 16:55:15 uc-web-36 kernel: WAITING_TID_QUEUES:
May 6 16:55:15 uc-web-36 kernel: Pending list:
May 6 16:55:15 uc-web-36 kernel: 56 FIFO_USE[0x0] SCB_CONTROL[0x74] SCB_SCSIID[0x7]
May 6 16:55:15 uc-web-36 kernel: 48 FIFO_USE[0x0] SCB_CONTROL[0x64] SCB_SCSIID[0x7]
May 6 16:55:15 uc-web-36 kernel: 54 FIFO_USE[0x0] SCB_CONTROL[0x64] SCB_SCSIID[0x7]
May 6 16:55:15 uc-web-36 kernel: Total 3
May 6 16:55:15 uc-web-36 kernel: Kernel Free SCB list: 3 52 0 49 1 20 4 40 37 25 42 8 27 33 13 19 7 2 58 6 38 60 14 30 57 11 12 28 21 34 45 26 29 51 44 53 50 16 63 32 46 36 23 39 31 35 55 47 15 9 24 10 59 18 61 43 41 17 62 5 22
May 6 16:55:15 uc-web-36 kernel: Sequencer Complete DMA-inprog list:
May 6 16:55:16 uc-web-36 kernel: Sequencer Complete list:
May 6 16:55:16 uc-web-36 kernel: Sequencer DMA-Up and Complete list:
May 6 16:55:16 uc-web-36 kernel:
May 6 16:55:16 uc-web-36 kernel: scsi0: FIFO0 Free, LONGJMP == 0x80ff, SCB 0x22
May 6 16:55:16 uc-web-36 kernel: SEQIMODE[0x3f] SEQINTSRC[0x0] DFCNTRL[0x0] DFSTATUS[0x89]
May 6 16:55:16 uc-web-36 kernel: SG_CACHE_SHADOW[0x2] SG_STATE[0x0] DFFSXFRCTL[0x0]
May 6 16:55:16 uc-web-36 kernel: SOFFCNT[0x0] MDFFSTAT[0x5] SHADDR = 0x00, SHCNT = 0x0
May 6 16:55:16 uc-web-36 kernel: HADDR = 0x00, HCNT = 0x0 CCSGCTL[0x10]
May 6 16:55:16 uc-web-36 kernel: scsi0: FIFO1 Free, LONGJMP == 0x8277, SCB 0x0
May 6 16:55:16 uc-web-36 kernel: SEQIMODE[0x3f] SEQINTSRC[0x0] DFCNTRL[0x4] DFSTATUS[0x89]
May 6 16:55:16 uc-web-36 kernel: SG_CACHE_SHADOW[0x2] SG_STATE[0x0] DFFSXFRCTL[0x0]
May 6 16:55:16 uc-web-36 kernel: SOFFCNT[0x0] MDFFSTAT[0x5] SHADDR = 0x00, SHCNT = 0x0
May 6 16:55:16 uc-web-36 kernel: HADDR = 0x00, HCNT = 0x0 CCSGCTL[0x10]
May 6 16:55:16 uc-web-36 kernel: LQIN: 0x55 0x0 0x0 0x22 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0
May 6 16:55:16 uc-web-36 kernel: scsi0: LQISTATE = 0x0, LQOSTATE = 0x0, OPTIONMODE = 0x42
May 6 16:55:16 uc-web-36 kernel: scsi0: OS_SPACE_CNT = 0x20 MAXCMDCNT = 0x1
May 6 16:55:16 uc-web-36 kernel: SIMODE0[0xc]
May 6 16:55:16 uc-web-36 kernel: CCSCBCTL[0x4]
May 6 16:55:16 uc-web-36 kernel: scsi0: REG0 == 0x2e, SINDEX = 0x180, DINDEX = 0xe1
May 6 16:55:16 uc-web-36 kernel: scsi0: SCBPTR == 0x36, SCB_NEXT == 0xffc0, SCB_NEXT2 == 0xff53
May 6 16:55:16 uc-web-36 kernel: CDB 2a 0 0 3 b2 ac
May 6 16:55:16 uc-web-36 kernel: STACK: 0x125 0x125 0x125 0x125 0x125 0x125 0x125 0x29
May 6 16:55:16 uc-web-36 kernel: <<<<<<<<<<<<<<<<< Dump Card State Ends >>>>>>>>>>>>>>>>>>
May 6 16:55:16 uc-web-36 kernel: DevQ(0:0:0): 0 waiting
May 6 16:55:16 uc-web-36 kernel: DevQ(0:5:0): 0 waiting
May 6 16:55:16 uc-web-36 kernel: Recovery SCB completes
May 6 16:55:16 uc-web-36 kernel: (scsi0:A:0:0): Device is disconnected, re-queuing SCB
May 6 16:55:16 uc-web-36 kernel: Recovery code sleeping
May 6 16:55:16 uc-web-36 kernel: Recovery code awake
May 6 16:55:16 uc-web-36 kernel: Timer Expired
May 6 16:55:16 uc-web-36 kernel: Recovery code sleeping
May 6 16:55:16 uc-web-36 kernel: Recovery code awake
May 6 16:55:16 uc-web-36 kernel: Timer Expired
May 6 16:55:16 uc-web-36 kernel: scsi0: Device reset returning 0x2003
May 6 16:55:16 uc-web-36 kernel: Recovery SCB completes