Re: What breaks aic7xxx in post 2.6.12-rc2 ?

[Jesper Juhl <juhl-lkml@dif.dk>]

On Mon, 16 May 2005, Grégoire Favre wrote:

> Hello,
> 
> as I reported in
> http://marc.theaimsgroup.com/?l=linux-kernel&m=111554477416794&w=2
> 
> I have lots of problem with aic7xxx (and till 2.6.12-rc2 everything
> works perfectly). I have tried to compil 2.6.12-rc4-mm1 without probe
> all Lun and it don't change anything at all to this problem.
> 
> I have two different controllers :
> 
> 0000:00:05.0 SCSI storage controller: Adaptec AIC-7892A U160/m (rev 02)
> 0000:00:0a.0 SCSI storage controller: Adaptec AHA-2940U/UW/D / AIC-7881U
> 
> And I also use libsata.
> 
> Anyone got an idea on what's going wrong ?
> 
Not me, it works perfectly here, but then I have different hardware (but 
using the aic7xxx driver).

Here's what 2.6.12-rc4-mm1 has to say about my devices : 

[   33.618922] scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
[   33.618925]         <Adaptec 29160N Ultra160 SCSI adapter>
[   33.618927]         aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
[   33.618930]
[   49.640570] (scsi0:A:4:0): refuses WIDE negotiation.  Using 8bit transfers
[   49.644190]   Vendor: PIONEER   Model: DVD-ROM DVD-305   Rev: 1.03
[   49.646714]   Type:   CD-ROM                             ANSI SCSI revision: 02
[   49.649172]  target0:0:4: Beginning Domain Validation
[   49.651858] (scsi0:A:4:0): refuses WIDE negotiation.  Using 8bit transfers
[   49.657561]  target0:0:4: Domain Validation skipping write tests
[   49.660414] (scsi0:A:4): 20.000MB/s transfers (20.000MHz, offset 16)
[   49.665476]  target0:0:4: Ending Domain Validation
[   49.673599]   Vendor: PLEXTOR   Model: CD-R   PX-W1210S  Rev: 1.01
[   49.676263]   Type:   CD-ROM                             ANSI SCSI revision: 02
[   49.678814]  target0:0:5: Beginning Domain Validation
[   49.683510]  target0:0:5: Domain Validation skipping write tests
[   49.686322] (scsi0:A:5): 20.000MB/s transfers (20.000MHz, offset 16)
[   49.690423]  target0:0:5: Ending Domain Validation
[   49.694849]   Vendor: IBM       Model: DDYS-T36950N      Rev: S96H
[   49.697572]   Type:   Direct-Access                      ANSI SCSI revision: 03
[   49.700193] scsi0:A:6:0: Tagged Queuing enabled.  Depth 250
[   49.702793]  target0:0:6: Beginning Domain Validation
[   49.708229] WIDTH IS 1
[   49.711280] (scsi0:A:6): 6.600MB/s transfers (16bit)
[   49.718361] (scsi0:A:6): 80.000MB/s transfers (40.000MHz, offset 63, 16bit)
[   49.730609]  target0:0:6: Ending Domain Validation
[   51.784340] SCSI device sda: 71687340 512-byte hdwr sectors (36704 MB)
[   51.788211] SCSI device sda: drive cache: write back
[   51.791748] SCSI device sda: 71687340 512-byte hdwr sectors (36704 MB)
[   51.795598] SCSI device sda: drive cache: write back
[   51.798176]  sda: sda1 sda2 sda3 sda4
[   51.817055] Attached scsi disk sda at scsi0, channel 0, id 6, lun 0
[   51.821630] sr0: scsi3-mmc drive: 16x/40x cd/rw xa/form2 cdda tray
[   51.824276] Uniform CD-ROM driver Revision: 3.20
[   51.826937] Attached scsi CD-ROM sr0 at scsi0, channel 0, id 4, lun 0
[   51.831792] sr1: scsi3-mmc drive: 32x/32x writer cd/rw xa/form2 cdda tray
[   51.834486] Attached scsi CD-ROM sr1 at scsi0, channel 0, id 5, lun 0


--
Jesper Juhl


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