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Question APA-1480 problems: maybe reset? 

Forum: PCMCIA SCSI Host Adapter Issues
Date: 2000, Aug 15
From: Albrecht Dress Albrecht.Dress

I use an Adaptec APA1480 CardBus card on an Apple PowerBook 2000, running LinuxPPC with a 2.2.15pre13 kernel and pcmcia-cs.25-jul-00. Up to now, I tested a scsi disk at 20 MB/sec, an old Exabyte 8505 tape drive at 5 MB/sec, and a new Exabyte Mammoth tape drive at 10 MB/sec, and I experienced a quite odd behaviour.

If I switch the device on, wait for a long time until the "internal" reset sequence is finished and insert the card after that, then no scsi device will be found. If I insert the card during this sequence (e.g. as long as the disk activity led is on), then the disk and the Exa 8505 are recognised, but the Mamooth gives a number of odd messages in /var/log/messages (see below). I suspect that something with the scsi reset sequence upon card insertion failed. Any ideas?

Thanks for your help, Albrecht.

--- From /var/log/messages ---
 kernel: cs: cb_alloc(bus 1): vendor 0x9004, device 0x6075 
 cardmgr[1922]: initializing socket 0
 cardmgr[1922]: socket 0: Adaptec APA-1480 SCSI Host Adapter
 cardmgr[1922]: executing: 'modprobe cb_enabler'
 cardmgr[1922]: executing: 'modprobe apa1480_cb'
 kernel: cs: cb_config(bus 1) 
 kernel:   fn 0 bar 1: io 0x1000-0x10ff 
 kernel:   fn 0 bar 2: mem 0x90030000-0x90030fff 
 kernel:   fn 0 rom: mem 0x90020000-0x9002ffff 
 kernel:   irq 58 
 kernel: apa1480_attach(device 01:00.0) 
 kernel: (scsi0) <Adaptec PCMCIA SCSI controller> found at PCI 1/0/0 
 kernel: (scsi0) Narrow Channel, SCSI ID=7, 3/255 SCBs 
 kernel: (scsi0) Downloading sequencer code... 422 instructions downloaded 
 kernel: scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.1.31/3.2.4 
 kernel:        <Adaptec PCMCIA SCSI controller> 
 kernel: scsi : 1 host. 
 kernel: scsi : aborting command due to timeout : pid 23, scsi0, channel 0, id 2, lun 0 Test Unit Ready 00 00 00 00 00  
 kernel: SCSI host 0 abort (pid 23) timed out - resetting 
 kernel: SCSI bus is being reset for host 0 channel 0. 
 kernel: SCSI host 0 channel 0 reset (pid 23) timed out - trying harder 
 kernel: SCSI bus is being reset for host 0 channel 0. 
 kernel: scsi : aborting command due to timeout : pid 24, scsi0, channel 0, id 3, lun 0 Test Unit Ready 00 00 00 00 00  
 kernel: SCSI host 0 abort (pid 24) timed out - resetting 
 kernel: SCSI bus is being reset for host 0 channel 0. 
 kernel: SCSI host 0 channel 0 reset (pid 24) timed out - trying harder 
 kernel: SCSI bus is being reset for host 0 channel 0. 
 kernel: scsi : aborting command due to timeout : pid 25, scsi0, channel 0, id 4, lun 0 Test Unit Ready 00 00 00 00 00  
 kernel: SCSI host 0 abort (pid 25) timed out - resetting 
 kernel: SCSI bus is being reset for host 0 channel 0. 
 kernel: SCSI host 0 channel 0 reset (pid 25) timed out - trying harder 
 kernel: SCSI bus is being reset for host 0 channel 0. 
 kernel: scsi : aborting command due to timeout : pid 26, scsi0, channel 0, id 5, lun 0 Test Unit Ready 00 00 00 00 00  
 kernel: SCSI host 0 abort (pid 26) timed out - resetting 
 kernel: SCSI bus is being reset for host 0 channel 0. 
 kernel: SCSI host 0 channel 0 reset (pid 26) timed out - trying harder 
 kernel: SCSI bus is being reset for host 0 channel 0. 
 kernel: scsi : aborting command due to timeout : pid 27, scsi0, channel 0, id 6, lun 0 Test Unit Ready 00 00 00 00 00  
 kernel: SCSI host 0 abort (pid 27) timed out - resetting 
 kernel: SCSI bus is being reset for host 0 channel 0. 
 kernel: SCSI host 0 channel 0 reset (pid 27) timed out - trying harder 
 kernel: SCSI bus is being reset for host 0 channel 0. 
 kernel: apa1480_cs: no SCSI devices found 
 kernel: scsi : 0 hosts. 
 cardmgr[1922]: get dev info on socket 0 failed: No such device
 cardmgr[1922]: shutting down socket 0
 cardmgr[1922]: executing: 'modprobe -r apa1480_cb'
 cardmgr[1922]: + ds: Device or resource busy
 cardmgr[1922]: executing: 'modprobe -r cb_enabler'
 kernel: cs: cb_free(bus 1) 

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Messages Inline: 1 All Outline: 1 2 All

1. None Termination issue? by David Hinds, 2000, Aug 15
1. Feedback Termination is fine... by Albrecht Dress, 2000, Aug 21
(_ Sad No chance to increase reset delay... by Albrecht Dress, 2000, Aug 21
2. Ok Bad cable by David Hinds, 2000, Sep 07

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