On Sunday 07 August 2005 20:47, Linus Torvalds wrote:
>
> James and gang found the aic7xxx slowdown that happened after 2.6.12, and
> we'd like to get particular testing that it's fixed, so if you have a
> relevant machine, please do test this.
>
I'm using the aic7xxx driver, and although I haven't had any trouble with
previous kernels and this driver I thought I'd report anyway that everything
seems to be working ok with -rc6. At least this means you haven't broken a
previously working setup :-)
Details about my hardware below :
$ uname -a
Linux dragon 2.6.13-rc6 #1 Mon Aug 8 18:07:08 CEST 2005 i686 unknown unknown GNU/Linux
$ /sbin/lspci -vvv
<...>
00:0b.0 SCSI storage controller: Adaptec AIC-7892A U160/m (rev 02)
Subsystem: Adaptec 29160N Ultra160 SCSI Controller
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 32 (10000ns min, 6250ns max), cache line size 08
Interrupt: pin A routed to IRQ 5
BIST result: 00
Region 0: I/O ports at 9800 [disabled] [size=256]
Region 1: Memory at e3000000 (64-bit, non-prefetchable) [size=4K]
Expansion ROM at 20000000 [disabled] [size=128K]
Capabilities: [dc] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
<...>
$ dmesg
<...>
[ 27.874038] scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
[ 27.874041] <Adaptec 29160N Ultra160 SCSI adapter>
[ 27.874043] aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
[ 27.874046]
[ 27.884187] kobject host0: registering. parent: 0000:00:0b.0, set: devices
[ 27.884206] kobject host0: registering. parent: scsi_host, set: class_obj
[ 27.884226] kobject host0: registering. parent: spi_host, set: class_obj
[ 27.884240] kobject target0:0:0: registering. parent: host0, set: devices
[ 27.884248] kobject target0:0:0: registering. parent: spi_transport, set: class_obj
[ 43.122408] kobject <NULL>: cleaning up
[ 43.122436] kobject target0:0:0: cleaning up
[ 43.122439] kobject target0:0:0: cleaning up
[ 43.122445] kobject target0:0:1: registering. parent: host0, set: devices
[ 43.122455] kobject target0:0:1: registering. parent: spi_transport, set: class_obj
[ 43.378585] kobject <NULL>: cleaning up
[ 43.378600] kobject target0:0:1: cleaning up
[ 43.378603] kobject target0:0:1: cleaning up
[ 43.378609] kobject target0:0:2: registering. parent: host0, set: devices
[ 43.378617] kobject target0:0:2: registering. parent: spi_transport, set: class_obj
[ 43.634760] kobject <NULL>: cleaning up
[ 43.634773] kobject target0:0:2: cleaning up
[ 43.634777] kobject target0:0:2: cleaning up
[ 43.634782] kobject target0:0:3: registering. parent: host0, set: devices
[ 43.634791] kobject target0:0:3: registering. parent: spi_transport, set: class_obj
[ 43.890919] kobject <NULL>: cleaning up
[ 43.890932] kobject target0:0:3: cleaning up
[ 43.890936] kobject target0:0:3: cleaning up
[ 43.890941] kobject target0:0:4: registering. parent: host0, set: devices
[ 43.890949] kobject target0:0:4: registering. parent: spi_transport, set: class_obj
[ 43.896324] Vendor: PIONEER Model: DVD-ROM DVD-305 Rev: 1.03
[ 43.899023] Type: CD-ROM ANSI SCSI revision: 02
[ 43.901656] target0:0:4: asynchronous.
[ 43.904268] target0:0:4: Beginning Domain Validation
[ 43.909476] target0:0:4: Domain Validation skipping write tests
[ 43.912470] target0:0:4: FAST-20 SCSI 20.0 MB/s ST (50 ns, offset 16)
[ 43.917610] target0:0:4: Ending Domain Validation
[ 43.920192] kobject 0:0:4:0: registering. parent: target0:0:4, set: devices
[ 43.920207] kobject 0:0:4:0: registering. parent: scsi_device, set: class_obj
[ 43.920231] kobject target0:0:5: registering. parent: host0, set: devices
[ 43.920248] kobject target0:0:5: registering. parent: spi_transport, set: class_obj
[ 43.925135] Vendor: PLEXTOR Model: CD-R PX-W1210S Rev: 1.01
[ 43.927873] Type: CD-ROM ANSI SCSI revision: 02
[ 43.930543] target0:0:5: asynchronous.
[ 43.933130] target0:0:5: Beginning Domain Validation
[ 43.937224] target0:0:5: Domain Validation skipping write tests
[ 43.940045] target0:0:5: FAST-20 SCSI 20.0 MB/s ST (50 ns, offset 16)
[ 43.944099] target0:0:5: Ending Domain Validation
[ 43.946629] kobject 0:0:5:0: registering. parent: target0:0:5, set: devices
[ 43.946640] kobject 0:0:5:0: registering. parent: scsi_device, set: class_obj
[ 43.946656] kobject target0:0:6: registering. parent: host0, set: devices
[ 43.946664] kobject target0:0:6: registering. parent: spi_transport, set: class_obj
[ 43.947795] Vendor: IBM Model: DDYS-T36950N Rev: S96H
[ 43.950487] Type: Direct-Access ANSI SCSI revision: 03
[ 43.953091] target0:0:6: asynchronous.
[ 43.955613] scsi0:A:6:0: Tagged Queuing enabled. Depth 250
[ 43.958183] target0:0:6: Beginning Domain Validation
[ 43.963544] target0:0:6: wide asynchronous.
[ 43.970778] target0:0:6: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, offset 63)
[ 43.982801] target0:0:6: Ending Domain Validation
[ 43.985348] kobject 0:0:6:0: registering. parent: target0:0:6, set: devices
[ 43.985360] kobject 0:0:6:0: registering. parent: scsi_device, set: class_obj
[ 43.985898] kobject target0:0:8: registering. parent: host0, set: devices
[ 43.985917] kobject target0:0:8: registering. parent: spi_transport, set: class_obj
[ 44.242053] kobject <NULL>: cleaning up
[ 44.242068] kobject target0:0:8: cleaning up
[ 44.242071] kobject target0:0:8: cleaning up
[ 44.242077] kobject target0:0:9: registering. parent: host0, set: devices
[ 44.242085] kobject target0:0:9: registering. parent: spi_transport, set: class_obj
[ 44.498214] kobject <NULL>: cleaning up
[ 44.498228] kobject target0:0:9: cleaning up
[ 44.498231] kobject target0:0:9: cleaning up
[ 44.498237] kobject target0:0:10: registering. parent: host0, set: devices
[ 44.498245] kobject target0:0:10: registering. parent: spi_transport, set: class_obj
[ 44.754374] kobject <NULL>: cleaning up
[ 44.754388] kobject target0:0:10: cleaning up
[ 44.754391] kobject target0:0:10: cleaning up
[ 44.754397] kobject target0:0:11: registering. parent: host0, set: devices
[ 44.754405] kobject target0:0:11: registering. parent: spi_transport, set: class_obj
[ 45.010534] kobject <NULL>: cleaning up
[ 45.010547] kobject target0:0:11: cleaning up
[ 45.010551] kobject target0:0:11: cleaning up
[ 45.010556] kobject target0:0:12: registering. parent: host0, set: devices
[ 45.010564] kobject target0:0:12: registering. parent: spi_transport, set: class_obj
[ 45.266692] kobject <NULL>: cleaning up
[ 45.266706] kobject target0:0:12: cleaning up
[ 45.266709] kobject target0:0:12: cleaning up
[ 45.266714] kobject target0:0:13: registering. parent: host0, set: devices
[ 45.266722] kobject target0:0:13: registering. parent: spi_transport, set: class_obj
[ 45.522851] kobject <NULL>: cleaning up
[ 45.522864] kobject target0:0:13: cleaning up
[ 45.522867] kobject target0:0:13: cleaning up
[ 45.522873] kobject target0:0:14: registering. parent: host0, set: devices
[ 45.522881] kobject target0:0:14: registering. parent: spi_transport, set: class_obj
[ 45.779010] kobject <NULL>: cleaning up
[ 45.779023] kobject target0:0:14: cleaning up
[ 45.779026] kobject target0:0:14: cleaning up
[ 45.779032] kobject target0:0:15: registering. parent: host0, set: devices
[ 45.779040] kobject target0:0:15: registering. parent: spi_transport, set: class_obj
[ 46.035168] kobject <NULL>: cleaning up
[ 46.035182] kobject target0:0:15: cleaning up
[ 46.035185] kobject target0:0:15: cleaning up
[ 46.035218] kobject sd: registering. parent: <NULL>, set: drivers
[ 46.036144] SCSI device sda: 71687340 512-byte hdwr sectors (36704 MB)
[ 46.040009] SCSI device sda: drive cache: write back
[ 46.042622] kobject sda: registering. parent: <NULL>, set: block
[ 46.043558] SCSI device sda: 71687340 512-byte hdwr sectors (36704 MB)
[ 46.047467] SCSI device sda: drive cache: write back
[ 46.050117] sda: sda1 sda2 sda3 sda4
[ 46.074908] kobject sda1: registering. parent: sda, set: <NULL>
[ 46.074921] kobject sda2: registering. parent: sda, set: <NULL>
[ 46.074927] kobject sda3: registering. parent: sda, set: <NULL>
[ 46.074934] kobject sda4: registering. parent: sda, set: <NULL>
[ 46.074957] kobject queue: registering. parent: sda, set: <NULL>
[ 46.074965] kobject iosched: registering. parent: queue, set: <NULL>
[ 46.074972] Attached scsi disk sda at scsi0, channel 0, id 6, lun 0
[ 46.077641] kobject sr: registering. parent: <NULL>, set: drivers
[ 46.079568] sr0: scsi3-mmc drive: 16x/40x cd/rw xa/form2 cdda tray
[ 46.082224] Uniform CD-ROM driver Revision: 3.20
[ 46.084874] kobject sr0: registering. parent: <NULL>, set: block
[ 46.084886] kobject queue: registering. parent: sr0, set: <NULL>
[ 46.084892] kobject iosched: registering. parent: queue, set: <NULL>
[ 46.084899] Attached scsi CD-ROM sr0 at scsi0, channel 0, id 4, lun 0
[ 46.089717] sr1: scsi3-mmc drive: 32x/32x writer cd/rw xa/form2 cdda tray
[ 46.092388] kobject sr1: registering. parent: <NULL>, set: block
[ 46.092409] kobject queue: registering. parent: sr1, set: <NULL>
[ 46.092415] kobject iosched: registering. parent: queue, set: <NULL>
[ 46.092422] Attached scsi CD-ROM sr1 at scsi0, channel 0, id 5, lun 0
<...>
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