time out hang on boot

philipp scherer scherer at venus.t30.physik.tu-muenchen.de
Fri Feb 18 03:33:46 PST 2000


I just tried out the new 5.1.26 patch.
First I got the same behaviour as with 5.1.25 and
the same error messages. Then I played around
with the scsi bios settings. As was suggested in
one of the last messages I switched off the
initiate sync option and  the system booted.
Then I switched it on again and changed the
maximum tranfer rates and still it booted.
However, some puzzles remain. In the Scsi
bios the max transfer rate for the  u2W disk
(id 0) can be set up to 80 whereas for all other
ID's (including 7 for the host adapter) can be
set to max. 40.
The aic7xxx driver reports  sync transfer with 40
for the u2w disk (bios setting is higher than 40).
So have these 40 something to do with the bios
setting for id 7?
I reduced the rate for the two
cdroms to 8 but the aic7xxx driver reports
a sync transfer with 20 ( I include the boot.msg file)
for my Plextor TSI32X (id 3,  in the middle of the chain)
I then copied a  CD from the plextor to the disk
and after that in /proc/scsi/aic7xxx/0 (i include it ) I see the
transfer switched  to async  transfer ??
At least the system is running but I am a bit confused,
Philipp

------------------------
/var/log/boot.msg


<4>Linux version 2.2.13 (root at kellerassel) (gcc version 2.7.2.3) #4 Fri
Feb 18 10:35:34 MET 2000
<4>Detected 400916139 Hz processor.
<4>Console: colour VGA+ 80x25
<4>Calibrating delay loop... 399.77 BogoMIPS
<4>Memory: 127728k/131008k available (1100k kernel code, 416k reserved,
1504k data, 60k init)
<4>Dentry hash table entries: 16384 (order 5, 128k)
<4>Buffer cache hash table entries: 131072 (order 7, 512k)
<4>Page cache hash table entries: 32768 (order 5, 128k)
<4>CPU: Intel Pentium II (Deschutes) stepping 02
<6>Checking 386/387 coupling... OK, FPU using exception 16 error
reporting.
<6>Checking 'hlt' instruction... OK.
<4>POSIX conformance testing by UNIFIX
<4>PCI: PCI BIOS revision 2.10 entry at 0xf0720
<4>PCI: Using configuration type 1
<4>PCI: Probing PCI hardware
<6>Linux NET4.0 for Linux 2.2
<6>Based upon Swansea University Computer Society NET3.039
<6>NET4: Unix domain sockets 1.0 for Linux NET4.0.
<6>NET4: Linux TCP/IP 1.0 for NET4.0
<6>IP Protocols: ICMP, UDP, TCP
<4>TCP: Hash tables configured (ehash 131072 bhash 65536)
<4>Starting kswapd v 1.5
<6>Detected PS/2 Mouse Port.
<6>Serial driver version 4.27 with no serial options enabled
<6>ttyS00 at 0x03f8 (irq = 4) is a 16550A
<6>ttyS01 at 0x02f8 (irq = 3) is a 16550A
<4>pty: 256 Unix98 ptys configured
<4>RAM disk driver initialized:  16 RAM disks of 10240K size
<6>loop: registered device at major 7
<4>PIIX4: IDE controller on PCI bus 00 dev 21
<4>PIIX4: device not capable of full native PCI mode
<4>PIIX4: device disabled (BIOS)
<6>Floppy drive(s): fd0 is 1.44M
<6>FDC 0 is a post-1991 82077
<6>(scsi0) <Adaptec AIC-7890/1 Ultra2 SCSI host adapter> found at PCI
0/6/0
<6>(scsi0) Wide Channel, SCSI ID=7, 32/255 SCBs
<6>(scsi0) Downloading sequencer code... 395 instructions downloaded
<4>scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI)
5.1.26/3.2.4
<4>       <Adaptec AIC-7890/1 Ultra2 SCSI host adapter>
<4>scsi : 1 host.
<6>(scsi0:0:0:0) Synchronous at 40.0 Mbyte/sec, offset 15.
<4>  Vendor: IBM       Model: DDRS-39130D       Rev: DC1B
<4>  Type:   Direct-Access                      ANSI SCSI revision: 02
<4>Detected scsi disk sda at scsi0, channel 0, id 0, lun 0
<6>(scsi0:0:2:0) Synchronous at 8.0 Mbyte/sec, offset 31.
<4>  Vendor: YAMAHA    Model: CRW4416S          Rev: 1.0e
<4>  Type:   CD-ROM                             ANSI SCSI revision: 02
<4>Detected scsi CD-ROM sr0 at scsi0, channel 0, id 2, lun 0
<6>(scsi0:0:3:0) Synchronous at 20.0 Mbyte/sec, offset 15.
<4>  Vendor: PLEXTOR   Model: CD-ROM PX-32TS    Rev: 1.03
<4>  Type:   CD-ROM                             ANSI SCSI revision: 02
<4>Detected scsi CD-ROM sr1 at scsi0, channel 0, id 3, lun 0
<4>  Vendor: IOMEGA    Model: ZIP 100           Rev: D.13
<4>  Type:   Direct-Access                      ANSI SCSI revision: 02
<4>Detected scsi removable disk sdb at scsi0, channel 0, id 5, lun 0
<4>scsi : detected 2 SCSI cdroms 2 SCSI disks total.
<4>sr0: scsi3-mmc drive: 16x/16x writer cd/rw xa/form2 cdda tray
<6>Uniform CDROM driver Revision: 2.56
<4>SCSI device sda: hdwr sector= 512 bytes. Sectors= 17850000 [8715 MB]
[8.7 GB]
<4>sdb : READ CAPACITY failed.
<4>sdb : status = 1, message = 00, host = 0, driver = 28
<4>sdb : extended sense code = 2
<4>sdb : block size assumed to be 512 bytes, disk size 1GB.
<4>Partition check:
<4> sda: sda1 sda2 < sda5 sda6 sda7 sda8 > sda3 sda4
<4> sdb:scsidisk I/O error: dev 08:10, sector 0
<4> unable to read partition table
<5>RAMDISK: Compressed image found at block 0
<4>VFS: Mounted root (minix filesystem).
<4>VFS: Mounted root (ext2 filesystem).
<4>change_root: old root has d_count=1
<5>Trying to unmount old root ... okay
<4>Freeing unused kernel memory: 60k freed
<6>Adding Swap: 130748k swap-space (priority -1)
Kernel logging (ksyslog) stopped.
Kernel log daemon terminating.

-----------------------------------------------------
/proc/scsi/aic7xxx/0

Adaptec AIC7xxx driver version: 5.1.26/3.2.4
Compile Options:
  TCQ Enabled By Default : Disabled
  AIC7XXX_PROC_STATS     : Disabled
  AIC7XXX_RESET_DELAY    : 15

Adapter Configuration:
           SCSI Adapter: Adaptec AIC-7890/1 Ultra2 SCSI host adapter
                           Ultra-2 LVD/SE Wide Controller at PCI 0/6/0
    PCI MMAPed I/O Base: 0xe1000000
 Adapter SEEPROM Config: SEEPROM found and used.
      Adaptec SCSI BIOS: Enabled
                    IRQ: 15
                   SCBs: Active 0, Max Active 2,
                         Allocated 15, HW 32, Page 255
             Interrupts: 45859
      BIOS Control Word: 0x10a6
   Adapter Control Word: 0x1c5e
   Extended Translation: Enabled
Disconnect Enable Flags: 0xffff
     Ultra Enable Flags: 0x0000
 Tag Queue Enable Flags: 0x0000
Ordered Queue Tag Flags: 0x0000
Default Tag Queue Depth: 8
    Tagged Queue By Device array for aic7xxx host instance 0:
      {255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255}
    Actual queue depth per device for aic7xxx host instance 0:
      {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}

Statistics:

(scsi0:0:0:0)
  Device using Wide/Sync transfers at 40.0 MByte/sec, offset 15
  Transinfo settings: current(12/15/1/0), goal(11/127/1/0),
user(11/127/1/0)
  Total transfers 26921 (19137 reads and 7784 writes)


(scsi0:0:2:0)
  Device using Narrow/Sync transfers at 8.0 MByte/sec, offset 31
  Transinfo settings: current(30/31/0/0), goal(0/127/0/0),
user(0/127/0/0)
  Total transfers 17068 (17068 reads and 0 writes)


(scsi0:0:3:0)
  Device using Narrow/Async transfers.
  Transinfo settings: current(50/0/0/0), goal(0/0/0/0), user(0/127/0/0)
  Total transfers 1682 (1682 reads and 0 writes)



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