From: Suparna Bhattacharya <suparna@in.ibm.com>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: SCSI Mailing List <linux-scsi@vger.kernel.org>
Subject: Re: Some interesting results in the aic7xxx slowdown problem
Date: Tue, 30 Aug 2005 10:19:56 +0530 [thread overview]
Message-ID: <20050830044956.GA4187@in.ibm.com> (raw)
In-Reply-To: <1125328875.5089.37.camel@mulgrave>
On Mon, Aug 29, 2005 at 10:21:15AM -0500, James Bottomley wrote:
> ailer: Evolution 2.0.4 (2.0.4-6)
> Content-Transfer-Encoding: 7bit
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>
> On Thu, 2005-08-25 at 16:09 +0530, Suparna Bhattacharya wrote:
> > On Fri, Aug 19, 2005 at 09:22:45AM -0400, James Bottomley wrote:
> > > On Fri, 2005-08-19 at 15:24 +0530, Suparna Bhattacharya wrote:
> > > > sda:
> > >
> > > Well, this line is identifying the root cause. It says that the
> > > partition code came up with no partitions for this device. Do any of
> > > your other devices come up with paritions? (as in could this be a simple
> > > device node transposition issue?)
> >
> > Yes, it looks like that. The ordering now seems to be id 9, 10, ... 14, 0,
> > 1, 2, instead of the default of id 0, 1, 2 ... Did you expect a change
> > in probe ordering ?
> >
> > When I switch back to the old AIC driver the ordering goes back to
> > default.
>
> Er, boggle!
>
> I know of no change to the new driver that could affect the target
> scanning order (this is target, not lun, right?). Target scan should be
> handled sequentially in
Here is what the log looks like:
ACPI: PCI Interrupt 0000:00:01.0[A] -> GSI 17 (level, low) -> IRQ 17
scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
<Adaptec aic7896/97 Ultra2 SCSI adapter>
aic7896/97: Ultra2 Wide Channel A, SCSI Id=7, 32/253 SCBs
target0:0:9: asynchronous.
Vendor: IBM-ESXS Model: ST318305LC !# Rev: B245
Type: Direct-Access ANSI SCSI revision: 03
scsi0:A:9:0: Tagged Queuing enabled. Depth 32
target0:0:9: Beginning Domain Validation
target0:0:9: wide asynchronous.
target0:0:9: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 63)
target0:0:9: Ending Domain Validation
target0:0:10: asynchronous.
Vendor: IBM-ESXS Model: ST318305LC !# Rev: B245
Type: Direct-Access ANSI SCSI revision: 03
scsi0:A:10:0: Tagged Queuing enabled. Depth 32
target0:0:10: Beginning Domain Validation
target0:0:10: wide asynchronous.
target0:0:10: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 63)
target0:0:10: Ending Domain Validation
target0:0:11: asynchronous.
Vendor: IBM-ESXS Model: ST318305LC !# Rev: B245
Type: Direct-Access ANSI SCSI revision: 03
scsi0:A:11:0: Tagged Queuing enabled. Depth 32
target0:0:11: Beginning Domain Validation
target0:0:11: wide asynchronous.
target0:0:11: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 63)
target0:0:11: Ending Domain Validation
target0:0:12: asynchronous.
Vendor: IBM-ESXS Model: ST318305LC !# Rev: B245
Type: Direct-Access ANSI SCSI revision: 03
scsi0:A:12:0: Tagged Queuing enabled. Depth 32
target0:0:12: Beginning Domain Validation
target0:0:12: wide asynchronous.
target0:0:12: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 63)
target0:0:12: Ending Domain Validation
target0:0:13: asynchronous.
Vendor: IBM-ESXS Model: ST318305LC !# Rev: B245
Type: Direct-Access ANSI SCSI revision: 03
scsi0:A:13:0: Tagged Queuing enabled. Depth 32
target0:0:13: Beginning Domain Validation
target0:0:13: wide asynchronous.
target0:0:13: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 63)
target0:0:13: Ending Domain Validation
target0:0:14: asynchronous.
Vendor: IBM-ESXS Model: ST318305LC !# Rev: B245
Type: Direct-Access ANSI SCSI revision: 03
scsi0:A:14:0: Tagged Queuing enabled. Depth 32
target0:0:14: Beginning Domain Validation
target0:0:14: wide asynchronous.
target0:0:14: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 63)
target0:0:14: Ending Domain Validation
Vendor: IBM Model: EXP300 S160 Rev: D014
Type: Processor ANSI SCSI revision: 03
target0:0:15: asynchronous.
target0:0:15: Beginning Domain Validation
target0:0:15: Domain Validation skipping write tests
(scsi0:A:15:0): refuses synchronous negotiation. Using asynchronous transfers
target0:0:15: Ending Domain Validation
ACPI: PCI Interrupt 0000:00:01.1[A] -> GSI 17 (level, low) -> IRQ 17
scsi1 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
<Adaptec aic7896/97 Ultra2 SCSI adapter>
aic7896/97: Ultra2 Wide Channel B, SCSI Id=7, 32/253 SCBs
target1:0:0: asynchronous.
Vendor: IBM-ESXS Model: ST318305LC !# Rev: B245
Type: Direct-Access ANSI SCSI revision: 03
scsi1:A:0:0: Tagged Queuing enabled. Depth 32
target1:0:0: Beginning Domain Validation
target1:0:0: wide asynchronous.
target1:0:0: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 63)
target1:0:0: Ending Domain Validation
target1:0:1: asynchronous.
Vendor: IBM-ESXS Model: ST318305LC !# Rev: B245
Type: Direct-Access ANSI SCSI revision: 03
scsi1:A:1:0: Tagged Queuing enabled. Depth 32
target1:0:1: Beginning Domain Validation
target1:0:1: wide asynchronous.
target1:0:1: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 63)
target1:0:1: Ending Domain Validation
target1:0:2: asynchronous.
Vendor: IBM-ESXS Model: ST318305LC !# Rev: B245
Type: Direct-Access ANSI SCSI revision: 03
scsi1:A:2:0: Tagged Queuing enabled. Depth 32
target1:0:2: Beginning Domain Validation
target1:0:2: wide asynchronous.
target1:0:2: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 63)
target1:0:2: Ending Domain Validation
Vendor: IBM-ESXS Model: DTN018C1UCDY10F Rev: S25J
Type: Direct-Access ANSI SCSI revision: 03
target1:0:3: asynchronous.
scsi1:A:3:0: Tagged Queuing enabled. Depth 32
target1:0:3: Beginning Domain Validation
target1:0:3: wide asynchronous.
target1:0:3: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 127)
target1:0:3: Ending Domain Validation
Vendor: IBM Model: AuSaV1S2 Rev: 0
Type: Processor ANSI SCSI revision: 02
target1:0:8: asynchronous.
target1:0:8: Beginning Domain Validation
target1:0:8: Ending Domain Validation
SCSI device sda: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sda: drive cache: write through
SCSI device sda: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sda: drive cache: write through
sda:
Attached scsi disk sda at scsi0, channel 0, id 9, lun 0
SCSI device sdb: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sdb: drive cache: write through
SCSI device sdb: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sdb: drive cache: write through
sdb: unknown partition table
Attached scsi disk sdb at scsi0, channel 0, id 10, lun 0
SCSI device sdc: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sdc: drive cache: write through
SCSI device sdc: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sdc: drive cache: write through
sdc: sdc1
Attached scsi disk sdc at scsi0, channel 0, id 11, lun 0
SCSI device sdd: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sdd: drive cache: write through
SCSI device sdd: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sdd: drive cache: write through
sdd: sdd1
Attached scsi disk sdd at scsi0, channel 0, id 12, lun 0
SCSI device sde: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sde: drive cache: write through
SCSI device sde: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sde: drive cache: write through
sde: sde1 sde2 sde3 sde4
Attached scsi disk sde at scsi0, channel 0, id 13, lun 0
SCSI device sdf: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sdf: drive cache: write through
SCSI device sdf: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sdf: drive cache: write through
sdf: sdf1
Attached scsi disk sdf at scsi0, channel 0, id 14, lun 0
SCSI device sdg: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sdg: drive cache: write through
SCSI device sdg: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sdg: drive cache: write through
sdg: sdg1 sdg2 sdg3 sdg4 < sdg5 sdg6 >
Attached scsi disk sdg at scsi1, channel 0, id 0, lun 0
SCSI device sdh: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sdh: drive cache: write through
SCSI device sdh: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sdh: drive cache: write through
sdh: sdh1 sdh2 sdh3 sdh4 < sdh5 >
Attached scsi disk sdh at scsi1, channel 0, id 1, lun 0
SCSI device sdi: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sdi: drive cache: write through
SCSI device sdi: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sdi: drive cache: write through
sdi: sdi1
Attached scsi disk sdi at scsi1, channel 0, id 2, lun 0
SCSI device sdj: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sdj: drive cache: write through
SCSI device sdj: 35548320 512-byte hdwr sectors (18201 MB)
SCSI device sdj: drive cache: write through
sdj: sdj1
Attached scsi disk sdj at scsi1, channel 0, id 3, lun 0
Attached scsi generic sg0 at scsi0, channel 0, id 9, lun 0, type 0
Attached scsi generic sg1 at scsi0, channel 0, id 10, lun 0, type 0
Attached scsi generic sg2 at scsi0, channel 0, id 11, lun 0, type 0
Attached scsi generic sg3 at scsi0, channel 0, id 12, lun 0, type 0
Attached scsi generic sg4 at scsi0, channel 0, id 13, lun 0, type 0
Attached scsi generic sg5 at scsi0, channel 0, id 14, lun 0, type 0
Attached scsi generic sg6 at scsi0, channel 0, id 15, lun 0, type 3
Attached scsi generic sg7 at scsi1, channel 0, id 0, lun 0, type 0
Attached scsi generic sg8 at scsi1, channel 0, id 1, lun 0, type 0
Attached scsi generic sg9 at scsi1, channel 0, id 2, lun 0, type 0
Attached scsi generic sg10 at scsi1, channel 0, id 3, lun 0, type 0
Attached scsi generic sg11 at scsi1, channel 0, id 8, lun 0, type 3
ieee1394: raw1394: /dev/raw1394 device initialized
Regards
Suparna
--
Suparna Bhattacharya (suparna@in.ibm.com)
Linux Technology Center
IBM Software Lab, India
next prev parent reply other threads:[~2005-08-30 4:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1123119347.5019.78.camel@mulgrave>
[not found] ` <20050804061809.GA4158@in.ibm.com>
[not found] ` <1123166928.5026.8.camel@mulgrave>
2005-08-19 9:54 ` Some interesting results in the aic7xxx slowdown problem Suparna Bhattacharya
2005-08-19 13:22 ` James Bottomley
2005-08-25 10:39 ` Suparna Bhattacharya
2005-08-29 15:21 ` James Bottomley
2005-08-30 4:49 ` Suparna Bhattacharya [this message]
2005-08-30 13:52 ` James Bottomley
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