* 2.5.73 - SCSI cache data unavailable messages
@ 2003-06-28 12:02 Margit Schubert-While
0 siblings, 0 replies; 2+ messages in thread
From: Margit Schubert-While @ 2003-06-28 12:02 UTC (permalink / raw)
To: linux-kernel
Peculiar "cache data unavailable" messages in 2.5.73.
Didn't happen in 2.5.71.
Snips from 2.5.73 and 2.5.71 below.
Margit
--SNIP 2.5.73--
<6>scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.35
<4> <Adaptec 3960D Ultra160 SCSI adapter>
<4> aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
<4>
<4>(scsi0:A:0): 160.000MB/s transfers (80.000MHz DT, offset 127, 16bit)
<4>(scsi0:A:1): 160.000MB/s transfers (80.000MHz DT, offset 127, 16bit)
<5> Vendor: FUJITSU Model: MAN3184MP Rev: 0108
<5> Type: Direct-Access ANSI SCSI revision: 03
<4>scsi0:A:0:0: Tagged Queuing enabled. Depth 32
<5> Vendor: FUJITSU Model: MAN3184MP Rev: 0108
<5> Type: Direct-Access ANSI SCSI revision: 03
<4>scsi0:A:1:0: Tagged Queuing enabled. Depth 32
<6>scsi1 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.35
<4> <Adaptec 3960D Ultra160 SCSI adapter>
<4> aic7899: Ultra160 Wide Channel B, SCSI Id=7, 32/253 SCBs
<4>
<4>(scsi1:A:2): 160.000MB/s transfers (80.000MHz DT, offset 63, 16bit)
<4>(scsi1:A:3): 160.000MB/s transfers (80.000MHz DT, offset 63, 16bit)
<5> Vendor: IBM Model: DDYS-T18350N Rev: S96H
<5> Type: Direct-Access ANSI SCSI revision: 03
<4>scsi1:A:2:0: Tagged Queuing enabled. Depth 32
<5> Vendor: IBM Model: DDYS-T18350N Rev: S96H
<5> Type: Direct-Access ANSI SCSI revision: 03
<4>scsi1:A:3:0: Tagged Queuing enabled. Depth 32
<6>scsi2 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.35
<4> <Adaptec 2940A Ultra SCSI adapter>
<4> aic7860: Ultra Single Channel A, SCSI Id=7, 3/253 SCBs
<4>
<4>(scsi2:A:4): 20.000MB/s transfers (20.000MHz, offset 8)
<4>(scsi2:A:5): 10.000MB/s transfers (10.000MHz, offset 15)
<5> Vendor: PIONEER Model: DVD-ROM DVD-303 Rev: 1.09
<5> Type: CD-ROM ANSI SCSI revision: 02
<5> Vendor: HP Model: C1537A Rev: L812
<5> Type: Sequential-Access ANSI SCSI revision: 02
<6>st: Version 20030622, fixed bufsize 32768, s/g segs 256
<4>Attached scsi tape st0 at scsi2, channel 0, id 5, lun 0
<4>st0: try direct i/o: yes, max page reachable by HBA 1048575
<5>SCSI device sda: 35885448 512-byte hdwr sectors (18373 MB)
<5>sda: cache data unavailable
<3>sda: assuming drive cache: write through
<6> /dev/scsi/host0/bus0/target0/lun0: p1 p2
<5>Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
<5>SCSI device sdb: 35885448 512-byte hdwr sectors (18373 MB)
<5>sdb: cache data unavailable
<3>sdb: assuming drive cache: write through
<6> /dev/scsi/host0/bus0/target1/lun0: p1
<5>Attached scsi disk sdb at scsi0, channel 0, id 1, lun 0
<5>SCSI device sdc: 35843670 512-byte hdwr sectors (18352 MB)
<5>sdc: cache data unavailable
<3>sdc: assuming drive cache: write through
<6> /dev/scsi/host1/bus0/target2/lun0: p1
<5>Attached scsi disk sdc at scsi1, channel 0, id 2, lun 0
<5>SCSI device sdd: 35843670 512-byte hdwr sectors (18352 MB)
<5>sdd: cache data unavailable
<3>sdd: assuming drive cache: write through
<6> /dev/scsi/host1/bus0/target3/lun0: p1
<5>Attached scsi disk sdd at scsi1, channel 0, id 3, lun 0
--END SNIP --
--SNIP 2.5.71 --
<6>scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.35
<4> <Adaptec 3960D Ultra160 SCSI adapter>
<4> aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
<4>
<4>(scsi0:A:0): 160.000MB/s transfers (80.000MHz DT, offset 127, 16bit)
<4>(scsi0:A:1): 160.000MB/s transfers (80.000MHz DT, offset 127, 16bit)
<5> Vendor: FUJITSU Model: MAN3184MP Rev: 0108
<5> Type: Direct-Access ANSI SCSI revision: 03
<4>scsi0:A:0:0: Tagged Queuing enabled. Depth 32
<5> Vendor: FUJITSU Model: MAN3184MP Rev: 0108
<5> Type: Direct-Access ANSI SCSI revision: 03
<4>scsi0:A:1:0: Tagged Queuing enabled. Depth 32
<6>scsi1 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.35
<4> <Adaptec 3960D Ultra160 SCSI adapter>
<4> aic7899: Ultra160 Wide Channel B, SCSI Id=7, 32/253 SCBs
<4>
<4>(scsi1:A:2): 160.000MB/s transfers (80.000MHz DT, offset 63, 16bit)
<4>(scsi1:A:3): 160.000MB/s transfers (80.000MHz DT, offset 63, 16bit)
<5> Vendor: IBM Model: DDYS-T18350N Rev: S96H
<5> Type: Direct-Access ANSI SCSI revision: 03
<4>scsi1:A:2:0: Tagged Queuing enabled. Depth 32
<5> Vendor: IBM Model: DDYS-T18350N Rev: S96H
<5> Type: Direct-Access ANSI SCSI revision: 03
<4>scsi1:A:3:0: Tagged Queuing enabled. Depth 32
<6>scsi2 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.35
<4> <Adaptec 2940A Ultra SCSI adapter>
<4> aic7860: Ultra Single Channel A, SCSI Id=7, 3/253 SCBs
<4>
<4>(scsi2:A:4): 20.000MB/s transfers (20.000MHz, offset 8)
<4>(scsi2:A:5): 10.000MB/s transfers (10.000MHz, offset 15)
<5> Vendor: PIONEER Model: DVD-ROM DVD-303 Rev: 1.09
<5> Type: CD-ROM ANSI SCSI revision: 02
<5> Vendor: HP Model: C1537A Rev: L812
<5> Type: Sequential-Access ANSI SCSI revision: 02
<6>st: Version 20030413, fixed bufsize 32768, s/g segs 256
<4>Attached scsi tape st0 at scsi2, channel 0, id 5, lun 0
<4>st0: try direct i/o: yes, max page reachable by HBA 1048575
<5>SCSI device sda: 35885448 512-byte hdwr sectors (18373 MB)
<5>SCSI device sda: drive cache: write back
<6> /dev/scsi/host0/bus0/target0/lun0: p1 p2
<5>Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
<5>SCSI device sdb: 35885448 512-byte hdwr sectors (18373 MB)
<5>SCSI device sdb: drive cache: write back
<6> /dev/scsi/host0/bus0/target1/lun0: p1
<5>Attached scsi disk sdb at scsi0, channel 0, id 1, lun 0
<5>SCSI device sdc: 35843670 512-byte hdwr sectors (18352 MB)
<5>SCSI device sdc: drive cache: write back
<6> /dev/scsi/host1/bus0/target2/lun0: p1
<5>Attached scsi disk sdc at scsi1, channel 0, id 2, lun 0
<5>SCSI device sdd: 35843670 512-byte hdwr sectors (18352 MB)
<5>SCSI device sdd: drive cache: write back
<6> /dev/scsi/host1/bus0/target3/lun0: p1
<5>Attached scsi disk sdd at scsi1, channel 0, id 3, lun 0
--END SNIP--
Margit
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: 2.5.73 - SCSI cache data unavailable messages
@ 2003-06-28 14:17 James Bottomley
0 siblings, 0 replies; 2+ messages in thread
From: James Bottomley @ 2003-06-28 14:17 UTC (permalink / raw)
To: margitsw; +Cc: Linux Kernel
This is happening because 10 byte mode sense was turned on a bit before
the rest of SCSI was ready for it.
The fixes for this problem are in the linux-scsi repository and should
make their way into the kernel in due course.
James
^ permalink raw reply [flat|nested] 2+ messages in thread
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2003-06-28 12:02 2.5.73 - SCSI cache data unavailable messages Margit Schubert-While
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