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Date:      Mon, 21 Nov 2005 14:22:56 -0500
From:      John Baldwin <jhb@freebsd.org>
To:        sparc64@freebsd.org
Subject:   uart(4) busted on sparc64 now?
Message-ID:  <200511211422.57431.jhb@freebsd.org>

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So on Friday I updated my ultra60 to HEAD.  It had been running HEAD from
about a month ago.  Today I came in and rebooted into the new kernel and now
it hangs probing uart1 off of a PUC device.  Note that I do not have a
keyboard and mouse plugged into this box.

New dmesg:

KDB: stray vector interrupt 2029
debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2005 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights reserved.
FreeBSD 7.0-CURRENT #1: Mon Nov 21 13:33:51 EST 2005
    root@foo.baldwin.cx:/usr/obj/usr/src/sys/FOO
real memory  = 536870912 (512 MB)
avail memory = 472997888 (451 MB)
cpu0: Sun Microsystems UltraSparc-II Processor (295.99 MHz CPU)
cpu1: Sun Microsystems UltraSparc-II Processor (295.99 MHz CPU)
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
nexus0: <Open Firmware Nexus device>
pcib0: <U2P UPA-PCI bridge> on nexus0
pcib0: Psycho, impl 0, version 4, ign 0x7c0, bus B
pcib0: [FAST]
pcib0: [GIANT-LOCKED]
pcib0: [FAST]
pcib0: [GIANT-LOCKED]
pcib0: [FAST]
initializing counter-timer
Timecounter "counter-timer" frequency 1000000 Hz quality 100
pcib0 dvma: DVMA map: 0xfc000000 to 0xffffffff
pci0: <OFW PCI bus> on pcib0
ebus0: <PCI-EBus2 bridge> mem 0x70000000-0x70ffffff,0x71000000-0x717fffff at device 1.0 on pci0
auxio0: <Sun Auxiliary I/O> addr 0x1400726000-0x1400726003,0x1400728000-0x1400728003,0x140072a000-0x140072a003,0x140072c000-0x140072c003,0x140072f000-0x140072f003 on ebus0
ebus0: <power> addr 0x1400724000-0x1400724003 (no driver attached)
ebus0: <SUNW,pll> addr 0x1400504000-0x1400504002 (no driver attached)
ebus0: <sc> addr 0x1400500000-0x1400500007 (no driver attached)
puc0: <Siemens SAB 82532 dual channel SCC> addr 0x1400400000-0x140040007f irq 43 on ebus0
uart0: <SAB 82532 v3.2, channel A> on puc0
uart0: CTS oflow
uart0: console (9600,n,8,1)
uart1: <SAB 82532 v3.2, channel B> on puc0
<hang>

Old dmesg:

KDBstray vector interrupt 2029
: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2005 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights reserved.
FreeBSD 7.0-CURRENT #0: Thu Oct 27 18:55:29 EDT 2005
    john@foo.baldwin.cx:/usr/obj/usr/src/sys/FOO
real memory  = 536870912 (512 MB)
avail memory = 472997888 (451 MB)
cpu0: Sun Microsystems UltraSparc-II Processor (296.00 MHz CPU)
cpu1: Sun Microsystems UltraSparc-II Processor (296.00 MHz CPU)
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
nexus0: <Open Firmware Nexus device>
pcib0: <U2P UPA-PCI bridge> on nexus0
pcib0: Psycho, impl 0, version 4, ign 0x7c0, bus B
pcib0: [FAST]
pcib0: [GIANT-LOCKED]
pcib0: [FAST]
pcib0: [GIANT-LOCKED]
pcib0: [FAST]
initializing counter-timer
Timecounter "counter-timer" frequency 1000000 Hz quality 100
pcib0 dvma: DVMA map: 0xfc000000 to 0xffffffff
pci0: <OFW PCI bus> on pcib0
ebus0: <PCI-EBus2 bridge> mem 0x70000000-0x70ffffff,0x71000000-0x717fffff at dev
ice 1.0 on pci0
auxio0: <Sun Auxiliary I/O> addr 0x1400726000-0x1400726003,0x1400728000-0x140072
8003,0x140072a000-0x140072a003,0x140072c000-0x140072c003,0x140072f000-0x140072f0
03 on ebus0
ebus0: <power> addr 0x1400724000-0x1400724003 (no driver attached)
ebus0: <SUNW,pll> addr 0x1400504000-0x1400504002 (no driver attached)
ebus0: <sc> addr 0x1400500000-0x1400500007 (no driver attached)
puc0: <Siemens SAB 82532 dual channel SCC> addr 0x1400400000-0x140040007f irq 43
 on ebus0
uart0: <SAB 82532 v3.2, channel A> on puc0
uart0: CTS oflow
uart0: console (9600,n,8,1)
uart1: <SAB 82532 v3.2, channel B> on puc0
uart1: CTS oflow
uart2: <16550 or compatible> addr 0x14003083f8-0x14003083ff irq 41 on ebus0
uart2: keyboard (1200,n,8,1)
uart2: keyboard not present
uart3: <16550 or compatible> addr 0x14003062f8-0x14003062ff irq 42 on ebus0
ebus0: <ecpp> addr 0x14003043bc-0x14003043cb,0x1400300398-0x1400300399,0x1400700
000-0x140070000f irq 34 (no driver attached)
ebus0: <fdthree> addr 0x14003023f0-0x14003023f7,0x1400706000-0x140070600f,0x1400
720000-0x1400720003 irq 39 (no driver attached)
eeprom0: <EEPROM/clock> addr 0x1400000000-0x1400001fff on ebus0
eeprom0: model mk48t59
eeprom0: hostid 80b24e75
ebus0: <flashprom> addr 0x1000000000-0x10000fffff (no driver attached)
...

-- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org



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