SCSI disk names change when adding / removing devices.

Naoki naoki at valuecommerce.com
Fri Jul 16 02:11:59 UTC 2004 

I tried changing the order in /etc/modprobe.conf from this :

alias scsi_hostadapter aic79xx
alias scsi_hostadapter1  mptbase
alias scsi_hostadapter2 mptscsih

To this :

alias scsi_hostadapter  mptbase
alias scsi_hostadapter1 mptscsih
alias scsi_hostadapter2 aic79xx

But that had no effect.  Then I opened up the kernel's initrd file and 
the order of the modules on the filesystem was :

[root at localhost.localdomain lib]# ls -lrt
total 1011
-rwxr--r--  1 root root  19996 Jul  1 21:48 sd_mod.ko
-rwxr--r--  1 root root 125928 Jul  1 21:48 scsi_mod.ko
-rwxr--r--  1 root root 229628 Jul  1 21:48 aic79xx.ko
-rwxr--r--  1 root root  49188 Jul  1 21:48 mptscsih.ko
-rwxr--r--  1 root root  53148 Jul  1 21:48 mptbase.ko
-rwxr--r--  1 root root 545724 Jul  1 21:48 xfs.ko

So I removed the aix*.ko file and that sort of worked, now my machine 
boots with all controllers attached and boots from the correct device. 
Obviously because the other controller was never probed.

Now my next questions are a) How to change the order of loaded modules 
in the initrd ( other than changing the pysical layout ),
b) How to correctly load the driver after boot ( modprobe aic79xx from 
rc.local?).

Now I'm trying to modprobe it I'm seeing some odd errors and the kernel 
messages :

scsi1 : Adaptec AIC79XX PCI-X SCSI HBA DRIVER, Rev 1.3.11
        <Adaptec 39320D Ultra320 SCSI adapter>
        aic7902: Ultra320 Wide Channel A, SCSI Id=6, PCI-X 67-100Mhz, 
512 SCBs
 
(scsi1:A:0): 320.000MB/s transfers (160.000MHz DT|IU|QAS, 16bit)
(scsi1:A:0:0): Unexpected busfree in Message-out phase, 1 SCBs aborted, 
PRGMCNT == 0x1b0
 >>>>>>>>>>>>>>>>>> Dump Card State Begins <<<<<<<<<<<<<<<<<
scsi1: Dumping Card State at program address 0x1ae Mode 0x33
Card was paused
HS_MAILBOX[0x0] INTCTL[0x0] SEQINTSTAT[0x0] SAVED_MODE[0x11]
DFFSTAT[0x30] SCSISIGI[0x0] SCSIPHASE[0x0] SCSIBUS[0x0]
LASTPHASE[0xa0] SCSISEQ0[0x0] SCSISEQ1[0x12] SEQCTL0[0x10]
SEQINTCTL[0x0] SEQ_FLAGS[0x40] SEQ_FLAGS2[0x0] SSTAT0[0x0]
SSTAT1[0x8] SSTAT2[0x0] SSTAT3[0x0] PERRDIAG[0xc8]
SIMODE1[0xac] LQISTAT0[0x0] LQISTAT1[0x0] LQISTAT2[0x0]
LQOSTAT0[0x0] LQOSTAT1[0x0] LQOSTAT2[0x0]
 
SCB Count = 4 CMDS_PENDING = 1 LASTSCB 0x3 CURRSCB 0x3 NEXTSCB 0x0
qinstart = 1 qinfifonext = 1
QINFIFO:
WAITING_TID_QUEUES:
Pending list:
Total 0
Kernel Free SCB list: 3 2 1 0
Sequencer Complete DMA-inprog list:
Sequencer Complete list:
Sequencer DMA-Up and Complete list:
 
scsi1: FIFO0 Free, LONGJMP == 0x80ff, SCB 0x0
SEQIMODE[0x3f] SEQINTSRC[0x0] DFCNTRL[0x0] DFSTATUS[0x89]
SG_CACHE_SHADOW[0x2] SG_STATE[0x0] DFFSXFRCTL[0x0]
SOFFCNT[0x0] MDFFSTAT[0x5] SHADDR = 0x00, SHCNT = 0x0
HADDR = 0x00, HCNT = 0x0 CCSGCTL[0x10]
scsi1: FIFO1 Free, LONGJMP == 0x80ff, SCB 0x0
SEQIMODE[0x3f] SEQINTSRC[0x0] DFCNTRL[0x0] DFSTATUS[0x89]
SG_CACHE_SHADOW[0x2] SG_STATE[0x0] DFFSXFRCTL[0x0]
SOFFCNT[0x0] MDFFSTAT[0x5] SHADDR = 0x00, SHCNT = 0x0
HADDR = 0x00, HCNT = 0x0 CCSGCTL[0x10]
LQIN: 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 
0x0 0x0 0x0 0x0
scsi1: LQISTATE = 0x0, LQOSTATE = 0x0, OPTIONMODE = 0x42
scsi1: OS_SPACE_CNT = 0x20 MAXCMDCNT = 0x0
SIMODE0[0xc]
CCSCBCTL[0x4]
scsi1: REG0 == 0x3, SINDEX = 0x80, DINDEX = 0x0
scsi1: SCBPTR == 0x3, SCB_NEXT == 0xff00, SCB_NEXT2 == 0xff29
CDB 3b a 0 0 0 0
STACK: 0x125 0x0 0x0 0x0 0x0 0x0 0x0 0x29
<<<<<<<<<<<<<<<<< Dump Card State Ends >>>>>>>>>>>>>>>>>>
DevQ(0:0:0): 0 waiting
scsi1: Transmission error detected
LQISTAT1[0x0] LASTPHASE[0xe0] SCSISIGI[0x60] PERRDIAG[0xd1]
 >>>>>>>>>>>>>>>>>> Dump Card State Begins <<<<<<<<<<<<<<<<<
scsi1: Dumping Card State at program address 0x1af Mode 0x11
Card was paused
HS_MAILBOX[0x0] INTCTL[0x0] SEQINTSTAT[0x0] SAVED_MODE[0x11]
DFFSTAT[0x11] SCSISIGI[0x74] SCSIPHASE[0x2] SCSIBUS[0x0]
LASTPHASE[0xe0] SCSISEQ0[0x0] SCSISEQ1[0x12] SEQCTL0[0x10]
SEQINTCTL[0x0] SEQ_FLAGS[0x0] SEQ_FLAGS2[0x0] SSTAT0[0x2]
SSTAT1[0x11] SSTAT2[0x0] SSTAT3[0x0] PERRDIAG[0x0]
SIMODE1[0xac] LQISTAT0[0x0] LQISTAT1[0x0] LQISTAT2[0x0]
LQOSTAT0[0x0] LQOSTAT1[0x0] LQOSTAT2[0x80]
 
SCB Count = 4 CMDS_PENDING = 1 LASTSCB 0x3 CURRSCB 0x3 NEXTSCB 0x0
qinstart = 16 qinfifonext = 16
QINFIFO:
WAITING_TID_QUEUES:
Pending list:
  3 FIFO_USE[0x0] SCB_CONTROL[0x40] SCB_SCSIID[0x6]
Total 1
Kernel Free SCB list: 2 1 0
Sequencer Complete DMA-inprog list:
Sequencer Complete list:
Sequencer DMA-Up and Complete list:
 
scsi1: FIFO0 Free, LONGJMP == 0x80ff, SCB 0x0
SEQIMODE[0x3f] SEQINTSRC[0x0] DFCNTRL[0x0] DFSTATUS[0x89]
SG_CACHE_SHADOW[0x2] SG_STATE[0x0] DFFSXFRCTL[0x0]
SOFFCNT[0x0] MDFFSTAT[0x5] SHADDR = 0x00, SHCNT = 0x0
HADDR = 0x00, HCNT = 0x0 CCSGCTL[0x0]
scsi1: FIFO1 Active, LONGJMP == 0x80ff, SCB 0x3
SEQIMODE[0x3f] SEQINTSRC[0x0] DFCNTRL[0x4] DFSTATUS[0x88]
SG_CACHE_SHADOW[0x2] SG_STATE[0x0] DFFSXFRCTL[0x0]
SOFFCNT[0x0] MDFFSTAT[0x4] SHADDR = 0x00, SHCNT = 0x0
HADDR = 0x00, HCNT = 0x0 CCSGCTL[0x10]
LQIN: 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 
0x0 0x0 0x0 0x0
scsi1: LQISTATE = 0x0, LQOSTATE = 0x0, OPTIONMODE = 0x42
scsi1: OS_SPACE_CNT = 0x20 MAXCMDCNT = 0x0
SIMODE0[0xc]
CCSCBCTL[0x4]
scsi1: REG0 == 0x3, SINDEX = 0x111, DINDEX = 0x1ba
scsi1: SCBPTR == 0x3, SCB_NEXT == 0xffc0, SCB_NEXT2 == 0xff29
CDB 12 0 0 0 24 0
STACK: 0xe2 0x125 0x0 0x0 0x0 0x0 0x0 0xa7
<<<<<<<<<<<<<<<<< Dump Card State Ends >>>>>>>>>>>>>>>>>>
DevQ(0:0:0): 0 waiting
scsi1:0:0:0: Attempting to abort cmd 04246bb4: 0x12 0x0 0x0 0x0 0x24 0x0
scsi1: At time of recovery, card was not paused
 >>>>>>>>>>>>>>>>>> Dump Card State Begins <<<<<<<<<<<<<<<<<
scsi1: Dumping Card State at program address 0x94 Mode 0x11
Card was paused
HS_MAILBOX[0x0] INTCTL[0x0] SEQINTSTAT[0x0] SAVED_MODE[0x11]
DFFSTAT[0x11] SCSISIGI[0x74] SCSIPHASE[0x2] SCSIBUS[0x0]
LASTPHASE[0x60] SCSISEQ0[0x0] SCSISEQ1[0x12] SEQCTL0[0x10]
SEQINTCTL[0x80] SEQ_FLAGS[0x20] SEQ_FLAGS2[0x0] SSTAT0[0x0]
SSTAT1[0x1] SSTAT2[0x0] SSTAT3[0x0] PERRDIAG[0x0]
SIMODE1[0xac] LQISTAT0[0x0] LQISTAT1[0x0] LQISTAT2[0x0]
LQOSTAT0[0x0] LQOSTAT1[0x0] LQOSTAT2[0x80]
 
SCB Count = 4 CMDS_PENDING = 1 LASTSCB 0x3 CURRSCB 0x3 NEXTSCB 0x0
qinstart = 16 qinfifonext = 16
QINFIFO:
WAITING_TID_QUEUES:
Pending list:
  3 FIFO_USE[0x0] SCB_CONTROL[0x40] SCB_SCSIID[0x6]
Total 1
Kernel Free SCB list: 2 1 0
Sequencer Complete DMA-inprog list:
Sequencer Complete list:
Sequencer DMA-Up and Complete list:
 
scsi1: FIFO0 Free, LONGJMP == 0x80ff, SCB 0x0
SEQIMODE[0x3f] SEQINTSRC[0x0] DFCNTRL[0x0] DFSTATUS[0x89]
SG_CACHE_SHADOW[0x2] SG_STATE[0x0] DFFSXFRCTL[0x0]
SOFFCNT[0x0] MDFFSTAT[0x5] SHADDR = 0x00, SHCNT = 0x0
HADDR = 0x00, HCNT = 0x0 CCSGCTL[0x0]
scsi1: FIFO1 Active, LONGJMP == 0x80ff, SCB 0x3
SEQIMODE[0x3f] SEQINTSRC[0x0] DFCNTRL[0x28] DFSTATUS[0x80]
SG_CACHE_SHADOW[0xa] SG_STATE[0x0] DFFSXFRCTL[0x0]
SOFFCNT[0x0] MDFFSTAT[0xc] SHADDR = 0x046bee4, SHCNT = 0x24
HADDR = 0x046bee4, HCNT = 0x24 CCSGCTL[0x10]
LQIN: 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 
0x0 0x0 0x0 0x0
scsi1: LQISTATE = 0x0, LQOSTATE = 0x0, OPTIONMODE = 0x42
scsi1: OS_SPACE_CNT = 0x20 MAXCMDCNT = 0x0
SIMODE0[0xc]
CCSCBCTL[0x4]
scsi1: REG0 == 0x3, SINDEX = 0x122, DINDEX = 0x1ba
scsi1: SCBPTR == 0x3, SCB_NEXT == 0xffc0, SCB_NEXT2 == 0xff29
CDB 12 0 0 80 8 3c
STACK: 0x29 0x206 0x125 0x0 0x0 0x0 0x0 0x0
<<<<<<<<<<<<<<<<< Dump Card State Ends >>>>>>>>>>>>>>>>>>
DevQ(0:0:0): 0 waiting
scsi1:0:0:0: Device is active, asserting ATN
Recovery code sleeping
Recovery code awake
Timer Expired
Recovery code sleeping
Recovery code awake
Timer Expired
scsi1: Device reset returning 0x2003
Recovery SCB completes
Recovery SCB completes
  Vendor: SA-8630   Model:                   Rev: R0.0
  Type:   Direct-Access                      ANSI SCSI revision: 03
(scsi1:A:0): 3.300MB/s transfers
scsi1:A:0:0: Tagged Queuing enabled.  Depth 4
SCSI device sdb: 3914432512 512-byte hdwr sectors (2004189 MB)
SCSI device sdb: drive cache: write back
 sdb:
Attached scsi disk sdb at scsi1, channel 0, id 0, lun 0
Attached scsi generic sg2 at scsi1, channel 0, id 0, lun 0,  type 0
scsi2 : Adaptec AIC79XX PCI-X SCSI HBA DRIVER, Rev 1.3.11
        <Adaptec 39320D Ultra320 SCSI adapter>
        aic7902: Ultra320 Wide Channel B, SCSI Id=6, PCI-X 67-100Mhz, 
512 SCBs
 
[root at localhost.localdomain root]# uname -a
Linux localhost.localdomain 2.6.7-1.488smp #1 SMP Wed Jul 14 10:02:03 
EDT 2004 i686 i686 i386 GNU/Linux


-n.

Naoki wrote:

> Excellent Jeff, I'll try that out!
>
>
>> You should be able to do similar for the scsi controllers, since they
>> have different drivers and  specify something like
>> alias scsi0 LSImodule
>> alias scsi1 Adaptecmodule
>> or one of the other tricks using an install line in modprobe.conf to
>> make sure the LSI gets the driver loaded first and Linux sees it as
>> scsi0.
>>  
>>
>>  
>>
>
>

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