DELL SC430 & ahd0: <Adaptec 39320A Ultra320 SCSI adapter>

Ronald Klop ronald-freebsd8 at klop.yi.org
Thu Aug 18 23:34:18 GMT 2005 

On Fri, 19 Aug 2005 01:29:03 +0200, Ronald Klop  
<ronald-freebsd8 at klop.yi.org> wrote:

> I had (about) the same problem at a linux server at my work last  
> weekend. But is was not repeatable for me.
> Maybe it contains some info which helps you.
> Log: http://ronald.klop.ws/~ronald/linux.scsi.txt

Forgot to mention this is also on Dell hardware.
Dell PE2650
Linux version 2.6.8-1-686-smp
scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
         <Adaptec aic7899 Ultra160 SCSI adapter>
         aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
(scsi0:A:0): 160.000MB/s transfers (80.000MHz DT, offset 127, 16bit)
   Vendor: MAXTOR    Model: ATLAS10K4_36SCA   Rev: DFM0
   Type:   Direct-Access                      ANSI SCSI revision: 03
scsi0:A:0:0: Tagged Queuing enabled.  Depth 8
   Vendor: PE/PV     Model: 1x5 SCSI BP       Rev: 1.1
   Type:   Processor                          ANSI SCSI revision: 02

Ronald.

> On Fri, 19 Aug 2005 00:20:41 +0200, Hutterer Robert  
> <robert.hutterer at univie.ac.at> wrote:
>
>> Thank you very much for the reaction (about a dozen user reported  
>> similar problems the last month -but there seems no answer/solution)
>>
>>>> From what I can tell from the full card dump state, the 39320  
>>>> attempted
>>> to send 77 transactions to your drive during a single connection.  This
>>> connection hung, and the timeout occurred.  Since the drive controlls
>>> the connection, it can cut the initiator off at any time if too many
>>> commands are sent.
>> That seems plausilbe also for a non-expert
>>
>>>  So, this looks like a drive firmware bug.  You
>>> should contact Dell to find out if newer firmware is available for your
>>> drive
>> Contacted Dell but they have no idea to fix this - freebsd is not  
>> supported by dell -directed me to adaptec.
>> So I used the latest bios for the 39320 adapter from adaptec.
>> =====================================================================
>> =     Adaptec Ultra320 Family SCSI Controller    =
>> =     PnP/BBS BIOS Version 4.30.0, P/N 2038403-00 Rev. AA           =
>> =====================================================================
>> Soon after a reboot I got similar but slightly different messages (see  
>> below - hope you understand it). I will see if I will get it more  
>> frequently
>>
>>> drive.  In the mean time, you can try lowering the tag depth allowed
>>> for your device.  If the failure occurs sometime after rc processing,
>>> you can make a call early in the transition to multi-user like so:
>>>
>>> camcontrol tags da0 -N 64 # or some lower number
>>
>> Unfortunately I am not that expert to understand what to do with this  
>> "call": to put it on the command line? To ma a startup command ?
>>
>>> If that won't work for you, you can enter a quirk into  
>>> sys/cam/cam_xpt.c
>>> or just modify the last quirk entry (the default) to have a lower tag
>>> depth (it is currently 255).
>>
>> Also this hint I do not understand (I found (/usr/src/sys/cam/cam_xpr.c  
>> file) maybe you can give me an idea or direct me to some instruction  
>> pages
>> how to enter a quirl or modify the last quirk entry
>>
>>
>>> If you do get new firmware for your drive and that resolves this issue,
>>> please follow up to the list (and cc me if you don't mind) so that
>>> others that encounter the same issue can benefit from your experience.
>> I am not optimistic for that. Dell used the bios from adaptec.
>> Adaptec said this is the first time they heard from that and it seems  
>> that no other os is affected.
>>
>> If nothing helps I will seriously think about changing to a SATA disk.  
>> (But it is strange I have 39320 on a dell SC1420 and there is no  
>> problem)
>>
>> Thanks Robert
>>
>> xxxxxxxxxxxxxxxx
>> MESSAGES BEGIN
>> xxxxxxxxxxxxxxxx
>>
>> ahd0: Recovery Initiated - Card was not paused
>>>>>>>>>>>>>>>>>>>> Dump Card State Begins <<<<<<<<<<<<<<<<<
>> ahd0: Dumping Card State at program address 0x38 Mode 0x22
>> INTSTAT[0x0] SELOID[0x0] SELID[0x0] HS_MAILBOX[0x0]
>> INTCTL[0x80]:(SWTMINTMASK) SEQINTSTAT[0x0] SAVED_MODE[0x11]
>> DFFSTAT[0x33]:(CURRFIFO_NONE|FIFO0FREE|FIFO1FREE)
>> SCSISIGI[0x27]:(P_DATAOUT_DT|ACKI|REQI|BSYI) SCSIPHASE[0x0]
>> SCSIBUS[0xc7] LASTPHASE[0x1]:(P_DATAOUT|P_BUSFREE)
>> SCSISEQ0[0x40]:(ENSELO) SCSISEQ1[0x12]:(ENAUTOATNP|ENRSELI)
>> SEQCTL0[0x0] SEQINTCTL[0x0] SEQ_FLAGS[0x0] SEQ_FLAGS2[0x0]
>> QFREEZE_COUNT[0x2] KERNEL_QFREEZE_COUNT[0x2] MK_MESSAGE_SCB[0xff00]
>> MK_MESSAGE_SCSIID[0xff] SSTAT0[0x10]:(SELINGO) SSTAT1[0x8]:(BUSFREE)
>> SSTAT2[0x0] SSTAT3[0x0] PERRDIAG[0x0]  
>> SIMODE1[0xa4]:(ENSCSIPERR|ENSCSIRST|ENSELTIMO)
>> LQISTAT0[0x0] LQISTAT1[0x0] LQISTAT2[0x80]:(PACKETIZED)
>> LQOSTAT0[0x0] LQOSTAT1[0x0] LQOSTAT2[0xc0]
>>
>> SCB Count = 256 CMDS_PENDING = 82 LASTSCB 0x17 CURRSCB 0x1d NEXTSCB  
>> 0xff40
>> qinstart = 3008 qinfifonext = 3008
>> QINFIFO:
>> WAITING_TID_QUEUES:
>>        0 ( 0x4a 0xa 0x75 0x6 0x76 0x49 0x9 0x3 0x69 0x24 0x6a 0x5f 0x40  
>> 0x51 0x52 0x53 0x54 0x55 0x56 0x78 0x79 0x71 0x2 0x45 0x46 0x35 0x0 0xc  
>> 0x14 0x5b 0x5c 0x20 0x21 0x27 0x34 0x3c 0x2e 0x22 0x23 0x68 0x3b 0x59  
>> 0x5a 0x50 0x43 0x41 0xf 0x6b 0x6c 0x6d 0x1c 0x18 0x44 0x42 0x7a 0x62  
>> 0x63 0x8 0x1e 0x67 0x60 0x61 0x28 0x6f 0x47 0x48 0x36 0x37 0x13 0x10  
>> 0x11 0x2a 0x2f 0x66 0x5e 0x5 0x17 0x1d 0x5d 0x4d 0x4e 0x4f )
>> Pending list:
>>  79 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  78 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  77 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  93 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  29 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  23 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>   5 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  94 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>> 102 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  47 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  42 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  17 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  16 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  19 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  55 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  54 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  72 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  71 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>> 111 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  40 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  97 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  96 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>> 103 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  30 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>   8 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  99 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  98 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>> 122 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  66 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  68 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  24 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  28 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>> 109 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>> 108 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>> 107 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  15 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  65 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  67 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  80 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  90 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  89 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  59 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>> 104 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  35 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  34 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  46 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  60 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  52 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  39 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  33 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  32 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  92 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  91 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  20 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  12 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>   0 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  53 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  70 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  69 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>   2 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>> 113 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>> 121 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>> 120 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  86 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  85 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  84 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  83 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  82 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  81 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  64 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  95 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>> 106 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  36 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>> 105 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>   3 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>   9 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  73 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>> 118 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>   6 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>> 117 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  10 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>>  74 FIFO_USE[0x0] SCB_CONTROL[0x60]:(TAG_ENB|DISCENB) SCB_SCSIID[0x7]
>> Total 82
>> Kernel Free SCB list: 49 13 119 11 21 38 87 88 43 50 51 112 101 25 37  
>> 22 27 7 4 110 1 31 125 126 127 14 18 48 61 62 63 56 57 58 44 45 115 116  
>> 123 124 41 26 75 76 100 114 143 208 209 210 211 212 213 214 215 216 217  
>> 218 219 220 221 222 223 192 193 194 195 196 197 198 199 200 201 202 203  
>> 204 205 206 207 176 177 178 179 180 181 182 183 184 185 186 187 188 189  
>> 190 191 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175  
>> 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 128 129  
>> 130 131 132 133 134 135 136 137 138 139 140 141 142 241 242 243 244 245  
>> 246 247 248 249 250 251 252 253 254 255 224 225 226 227 228 229 230 231  
>> 232 233 234 235 236 237 238 239 240
>> Sequencer Complete DMA-inprog list:
>> Sequencer Complete list:
>> Sequencer DMA-Up and Complete list:
>> Sequencer On QFreeze and Complete list:
>>
>>
>> ahd0: FIFO0 Free, LONGJMP == 0x8276, SCB 0x4a
>> SEQIMODE[0x3f]:(ENCFG4TCMD|ENCFG4ICMD|ENCFG4TSTAT|ENCFG4ISTAT|ENCFG4DATA|ENSAVEPTRS)
>> SEQINTSRC[0x0] DFCNTRL[0x4]:(DIRECTION)  
>> DFSTATUS[0x89]:(FIFOEMP|HDONE|PRELOAD_AVAIL)
>> SG_CACHE_SHADOW[0x2]:(LAST_SEG) SG_STATE[0x0] DFFSXFRCTL[0x0]
>> SOFFCNT[0x0] MDFFSTAT[0x5]:(FIFOFREE|DLZERO) SHADDR = 0x00, SHCNT = 0x0
>> HADDR = 0x00, HCNT = 0x0 CCSGCTL[0x10]:(SG_CACHE_AVAIL)
>>
>> ahd0: FIFO1 Free, LONGJMP == 0x826d, SCB 0x6a
>> SEQIMODE[0x3f]:(ENCFG4TCMD|ENCFG4ICMD|ENCFG4TSTAT|ENCFG4ISTAT|ENCFG4DATA|ENSAVEPTRS)
>> SEQINTSRC[0x0] DFCNTRL[0x0] DFSTATUS[0x89]:(FIFOEMP|HDONE|PRELOAD_AVAIL)
>> SG_CACHE_SHADOW[0x2]:(LAST_SEG) SG_STATE[0x0] DFFSXFRCTL[0x0]
>> SOFFCNT[0x0] MDFFSTAT[0x5]:(FIFOFREE|DLZERO) SHADDR = 0x00, SHCNT = 0x0
>> HADDR = 0x00, HCNT = 0x0 CCSGCTL[0x10]:(SG_CACHE_AVAIL)
>> LQIN: 0x8 0x0 0x0 0x4a 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0  
>> 0x0 0x0 0x0 0x0
>> ahd0: LQISTATE = 0x1, LQOSTATE = 0x1a, OPTIONMODE = 0x42
>> ahd0: OS_SPACE_CNT = 0x1f MAXCMDCNT = 0x4d
>> ahd0: SAVED_SCSIID = 0x0 SAVED_LUN = 0x0
>>
>> SIMODE0[0xc]:(ENOVERRUN|ENIOERR)
>> CCSCBCTL[0x4]:(CCSCBDIR)
>> ahd0: REG0 == 0x4f, SINDEX = 0x102, DINDEX = 0x102
>> ahd0: SCBPTR == 0x4e, SCB_NEXT == 0x4f, SCB_NEXT2 == 0xff5d
>> CDB 2a 0 d 1c 20 84
>> STACK: 0x24 0x0 0x0 0x0 0x0 0x0 0x0 0x0
>> <<<<<<<<<<<<<<<<< Dump Card State Ends >>>>>>>>>>>>>>>>>>
>> (da0:ahd0:0:0:0): SCB 29 - timed out
>> (da0:ahd0:0:0:0): Other SCB Timeout
>> (da0:ahd0:0:0:0): No other SCB worth waiting for...
>> ahd0: Issued Channel A Bus Reset. 82 SCBs aborted
>> Copied 18 bytes of sense data offset 12: 0x70 0x0 0x6 0x0 0x0 0x0 0x0  
>> 0xa 0x0 0x0 0x0 0x0 0x29 0x2 0x2 0x0 0x0 0x0
>> (da0:ahd0:0:0:0): WRITE(10). CDB: 2a 0 1 dd fb e4 0 0 20 0
>> (da0:ahd0:0:0:0): CAM Status: SCSI Status Error
>> (da0:ahd0:0:0:0): SCSI Status: Check Condition
>> (da0:ahd0:0:0:0): UNIT ATTENTION asc:29,2
>> (da0:ahd0:0:0:0): Scsi bus reset occurred field replaceable unit: 2
>> (da0:ahd0:0:0:0): Retrying Command (per Sense Data)
>>
>>
>> xxxxxxxxxxxxxxxx
>> MESSAGES END
>> xxxxxxxxxxxxxxxxx
>>
>>
>> ----- Original Message ----- From: "Justin T. Gibbs" <gibbs at scsiguy.com>
>> To: "Hutterer Robert" <robert.hutterer at univie.ac.at>;  
>> <freebsd-stable at freebsd.org>
>> Sent: Thursday, August 18, 2005 3:44 AM
>> Subject: Re: DELL SC430 & ahd0: <Adaptec 39320A Ultra320 SCSI adapter>
>>
>>
>>>> My dell Sc430 Server with Freebsd 5.4 gives soon after a reboot and  
>>>> minimal
>>>> harddisk actions (erase a file or directory) strange messages  
>>>> concerning
>>>> Adaptec SCSI adapter:
>>>
>>>> From what I can tell from the full card dump state, the 39320  
>>>> attempted
>>> to send 77 transactions to your drive during a single connection.  This
>>> connection hung, and the timeout occurred.  Since the drive controlls
>>> the connection, it can cut the initiator off at any time if too many
>>> commands are sent.  So, this looks like a drive firmware bug.  You
>>> should contact Dell to find out if newer firmware is available for your
>>> drive.  In the mean time, you can try lowering the tag depth allowed
>>> for your device.  If the failure occurs sometime after rc processing,
>>> you can make a call early in the transition to multi-user like so:
>>>
>>> camcontrol tags da0 -N 64 # or some lower number
>>>
>>> If that won't work for you, you can enter a quirk into  
>>> sys/cam/cam_xpt.c
>>> or just modify the last quirk entry (the default) to have a lower tag
>>> depth (it is currently 255).
>>>
>>> If you do get new firmware for your drive and that resolves this issue,
>>> please follow up to the list (and cc me if you don't mind) so that
>>> others that encounter the same issue can benefit from your experience.
>>>
>>> --
>>> Justin
>>>
>>
>> _______________________________________________
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>
>
>



-- 
  Ronald Klop
  Amsterdam, The Netherlands

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