ahc hangs when booting NetBSD 6.1 on old SMP machine (PCD-5T)

To: port-i386%NetBSD.org@localhost
Subject: ahc hangs when booting NetBSD 6.1 on old SMP machine (PCD-5T)
From: Felix Deichmann <m4j0rd0m0%gmail.com@localhost>
Date: Sun, 19 May 2013 20:37:49 +0200
Hi,

I took my Siemens-Nixdorf PCD-5T (dual Pentium 100, EISA and PCI) out
of its long sleep (sorry I didn't have the time earlier before 6.1).
Around 10 years ago, NetBSD 2.0 with SMP panicked because of a not yet
implemented SMP variant (see PR #26366). This seems to be implemented
now, but I still have no luck booting this nice machine with SMP and
NetBSD 6.1...

An Adaptec AHA-2940 PCI adapter seems to be the problem. The machine
hangs after a "card dump".
I also have an Adaptec AHA-2740/42W for EISA bus, which gives a
similar "card dump" like the PCI adapter (I first thought the EISA
adapter or EISA-specific driver part was to blame, but no)!

When booting the machine with SMP disabled (boot -1), everything seems fine.

dmesg dumps for SMP and non-SMP boots follow... Would be great to have
NetBSD running on this machine finally after such a long time of
waiting ;) Any clue?

Regards
Felix


==================== SMP ====================
> boot
[...]
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007, 2008, 2009, 2010, 2011, 2012
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 6.1 (GENERIC)
total memory = 127 MB
avail memory = 112 MB
mainbus0 (root)
mainbus0: MP default configuration 6
acpi_probe: failed to initialize tables
mainbus0: Intel MP Specification (Version 1.1)
mainbus0: MP default configuration 6
cpu0 at mainbus0 apid 0: Intel 586-class, 80MHz, id 0x526
cpu1 at mainbus0 apid 1: Intel 586-class, id 0x2526
ioapic0 at mainbus0 apid 0
pci0 at mainbus0 bus 0: configuration mode 2
pchb0 at pci0 dev 0 function 0: vendor 0x8086 product 0x04a3 (rev. 0x11)
pceb0 at pci0 dev 1 function 0
pceb0: vendor 0x8086 product 0x0482 (rev. 0x05)
pciide0 at pci0 dev 2 function 0: vendor 0x1042 product 0x1000 (rev. 0x01)
pciide0: I/O access disabled at device
ahc1 at pci0 dev 13 function 0: Adaptec 2940 SCSI adapter
ahc1: interrupting at irq 14
ahc1: aic7870: Single Channel A, SCSI Id=7, 16/253 SCBs
scsibus0 at ahc1: 8 targets, 8 luns per target
epic0 at pci0 dev 15 function 0: SMC 83c170 Fast Ethernet (rev. 0x08)
epic0: interrupting at irq 15
epic0: SMC9432TX, Ethernet address 00:e0:29:45:a6:85
qsphy0 at epic0 phy 3: QS6612 10/100 media interface, rev. 1
qsphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
eisa0 at pceb0
eisa0: can't map I/O space for slot 14
isa0 at pceb0
lpt0 at isa0 port 0x378-0x37b irq 7
com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
com0: console
com1 at isa0 port 0x2f8-0x2ff irq 3: ns16550a, working fifo
attimer0 at isa0 port 0x40-0x43
vga0 at isa0 port 0x3b0-0x3df iomem 0xa0000-0xbffff
wsdisplay0 at vga0 kbdmux 1
pcppi0 at isa0 port 0x61
midi0 at pcppi0: PC speaker
sysbeep0 at pcppi0
isapnp0 at isa0 port 0x279
npx0 at isa0 port 0xf0-0xff
fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
attimer0: attached to pcppi0
scsibus0: waiting 2 seconds for devices to settle...
fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
ahc1:SCB 0xf - timed out
>>>>>>>>>>>>>>>>>> Dump Card State Begins <<<<<<<<<<<<<<<<<
ahc1: Dumping Card State in Message-out phase, at SEQADDR 0x14e
Card was paused
ACCUM = 0xa0, SINDEX = 0x61, DINDEX = 0xc0, ARG_2 = 0x3
HCNT = 0x0 SCBPTR = 0x0
SCSISIGI[0xb6] ERROR[0x0] SCSIBUSL[0x1] LASTPHASE[0xa0]
SCSISEQ[0x12] SBLKCTL[0x0] SCSIRATE[0x0] SEQCTL[0x10]
SEQ_FLAGS[0x40] SSTAT0[0x7] SSTAT1[0x3] SSTAT2[0x0]
SSTAT3[0x0] SIMODE0[0x0] SIMODE1[0xac] SXFRCTL0[0x88]
DFCNTRL[0x4] DFSTATUS[0x6d]
STACK: 0xca 0x0 0x0 0x178
SCB count = 16
Kernel NEXTQSCB = 14
Card NEXTQSCB = 14
QINFIFO entries:
Waiting Queue entries:
Disconnected Queue entries:
QOUTFIFO entries:
Sequencer Free SCB List: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Sequencer SCB Info:
  0 SCB_CONTROL[0x40] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xf]
  1 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
  2 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
  3 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
  4 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
  5 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
  6 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
  7 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
  8 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
  9 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
 10 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
 11 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
 12 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
 13 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
 14 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
 15 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
Pending list:
 15 SCB_CONTROL[0x40] SCB_SCSIID[0x7]
SCB_LUN[0x0]
Kernel Free SCB list: 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Untagged Q(0): 15

<<<<<<<<<<<<<<<<< Dump Card State Ends >>>>>>>>>>>>>>>>>>
sg[0] - Addr 0x7e50c86 : Length 36
ahc1:BDR message in message buffer
ahc1:SCB 0xf - timed out
>>>>>>>>>>>>>>>>>> Dump Card State Begins <<<<<<<<<<<<<<<<<
ahc1: Dumping Card State in Message-out phase, at SEQADDR 0x14e
Card was paused
ACCUM = 0xa0, SINDEX = 0x61, DINDEX = 0xc0, ARG_2 = 0x3
HCNT = 0x0 SCBPTR = 0x0
SCSISIGI[0xb6] ERROR[0x0] SCSIBUSL[0x3] LASTPHASE[0xa0]
SCSISEQ[0x12] SBLKCTL[0x0] SCSIRATE[0x0] SEQCTL[0x10]
SEQ_FLAGS[0x40] SSTAT0[0x7] SSTAT1[0x3] SSTAT2[0x0]
SSTAT3[0x0] SIMODE0[0x0] SIMODE1[0xac] SXFRCTL0[0x88]
DFCNTRL[0x4] DFSTATUS[0x6d]
STACK: 0xca 0x0 0x0 0x178
SCB count = 16
Kernel NEXTQSCB = 14
Card NEXTQSCB = 14
QINFIFO entries:
Waiting Queue entries:
Disconnected Queue entries:
QOUTFIFO entries:
Sequencer Free SCB List: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Sequencer SCB Info:
  0 SCB_CONTROL[0x40] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xf]
  1 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
  2 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
  3 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
  4 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
  5 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
  6 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
  7 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
  8 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
  9 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
 10 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
 11 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
 12 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
 13 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
 14 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
 15 SCB_CONTROL[0x0] SCB_SCSIID[0xff]
SCB_LUN[0xff] SCB_TAG[0xff]
Pending list:
 15 SCB_CONTROL[0x40] SCB_SCSIID[0x7]
SCB_LUN[0x0]
Kernel Free SCB list: 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Untagged Q(0): 15

<<<<<<<<<<<<<<<<< Dump Card State Ends >>>>>>>>>>>>>>>>>>
sg[0] - Addr 0x7e50c86 : Length 36
probe(ahc1:0:0:0): ahc1: no longer in timeout, status = 0
ahc1: Issued Channel A Bus Reset. 1 SCBs aborted


==================== non-SMP ====================
> boot -1
[...]
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007, 2008, 2009, 2010, 2011, 2012
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 6.1 (GENERIC)
total memory = 127 MB
avail memory = 112 MB
mainbus0 (root)
acpi_probe: failed to initialize tables
cpu0 at mainbus0: Intel 586-class, 100MHz, id 0x526
pci0 at mainbus0 bus 0: configuration mode 2
pchb0 at pci0 dev 0 function 0: vendor 0x8086 product 0x04a3 (rev. 0x11)
pceb0 at pci0 dev 1 function 0
pceb0: vendor 0x8086 product 0x0482 (rev. 0x05)
pciide0 at pci0 dev 2 function 0: vendor 0x1042 product 0x1000 (rev. 0x01)
pciide0: I/O access disabled at device
ahc1 at pci0 dev 13 function 0: Adaptec 2940 SCSI adapter
ahc1: interrupting at irq 14
ahc1: aic7870: Single Channel A, SCSI Id=7, 16/253 SCBs
scsibus0 at ahc1: 8 targets, 8 luns per target
epic0 at pci0 dev 15 function 0: SMC 83c170 Fast Ethernet (rev. 0x08)
epic0: interrupting at irq 15
epic0: SMC9432TX, Ethernet address 00:e0:29:45:a6:85
qsphy0 at epic0 phy 3: QS6612 10/100 media interface, rev. 1
qsphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
eisa0 at pceb0
eisa0: can't map I/O space for slot 14
isa0 at pceb0
lpt0 at isa0 port 0x378-0x37b irq 7
com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
com0: console
com1 at isa0 port 0x2f8-0x2ff irq 3: ns16550a, working fifo
attimer0 at isa0 port 0x40-0x43
vga0 at isa0 port 0x3b0-0x3df iomem 0xa0000-0xbffff
wsdisplay0 at vga0 kbdmux 1
pcppi0 at isa0 port 0x61
midi0 at pcppi0: PC speaker
sysbeep0 at pcppi0
isapnp0 at isa0 port 0x279
npx0 at isa0 port 0xf0-0xff
fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
attimer0: attached to pcppi0
scsibus0: waiting 2 seconds for devices to settle...
fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
sd0 at scsibus0 target 0 lun 0: <IBM, DCAS-32160, S65A> disk fixed
sd0: 2046 MB, 8188 cyl, 3 head, 170 sec, 512 bytes/sect x 4192000 sectors
sd0: sync (100.00ns offset 15), 8-bit (10.000MB/s) transfers, tagged queueing
boot device: sd0
root on sd0a dumps on sd0b
root file system type: ffs
Sun May 19 23:20:28 CEST 2013
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