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port-alpha/58904: Revert changes of INITIALLY_LEVEL_TRIGGERED breaks Multia serial ports



>Number:         58904
>Category:       port-alpha
>Synopsis:       Revert changes of INITIALLY_LEVEL_TRIGGERED breaks Multia serial ports
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    port-alpha-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Dec 14 15:05:00 +0000 2024
>Originator:     Naruaki Etomi
>Release:        NetBSD 10.0
>Organization:
>Environment:
NetBSD 10.0
>Description:
Install kernel hangs as above when using serial port console.
>How-To-Repeat:
Testing Memory from 8 to 64 meg...
Executing power-up script...
Testing TGA
version             	BL5 V3.8-3 Aug 10 1995 03:22:55

dka200.2.0.6.0             DKA200             RaSCSI FBSE15.2S  0134
dka400.4.0.6.0             DKA400      RaSCSI PRODRIVE LPS283S  0134
dka500.5.0.6.0             DKA500      RaSCSI PRODRIVE LPS226S  0134
ewa0.0.0.8.0               EWA0              08-00-2B-E4-2F-65
pka0.7.0.6.0               PKA0                  SCSI Bus ID 7

64 Meg of system memory

CPU speed is 166 MHZ
Cache size is 256 Kbytes 

*** keyboard not plugged in...
Keyboard error; using serial port terminal
>>>boot dka400
(boot dka400.4.0.6.0 -flags 0)
block 0 of dka400.4.0.6.0 is a valid boot block
reading 13 blocks from dka400.4.0.6.0
bootstrap code read in
base = 166000, image_start = 0, image_bytes = 1a00
initializing HWRPB at 2000
initializing page table at 158000
initializing machine state
setting affinity to the primary CPU
jumping to bootstrap code

NetBSD/alpha 10.0 ISO 9660 Primary Bootstrap
Jumping to entry point...

NetBSD/alpha 10.0 Secondary Bootstrap, Revision 1.13 (Thu Dec 12 00:58:55 UTC 2024)

VMS PAL rev: 0x1000000010530
OSF PAL rev: 0x1000000020123
Switch to OSF PAL code succeeded.

Boot flags: 0
11265520+185312=0xaebfd0

Entering netbsd at 0xfffffc0000a01410...
[   1.0000000] Unrecognized boot flag '0'.
[   1.0000000] Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
[   1.0000000]     2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
[   1.0000000]     2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023,
[   1.0000000]     2024
[   1.0000000]     The NetBSD Foundation, Inc.  All rights reserved.
[   1.0000000] Copyright (c) 1982, 1986, 1989, 1991, 1993
[   1.0000000]     The Regents of the University of California.  All rights reserved.

[   1.0000000] NetBSD 10.0 (INSTALL) #0: Thu Dec 12 01:03:37 UTC 2024
[   1.0000000] 	naruaki@localhost:/usr/obj.alpha/sys/arch/alpha/compile/INSTALL
[   1.0000000] (PCI ISA), 167MHz, s/n 
[   1.0000000] 8192 byte page size, 1 processor.
[   1.0000000] total memory = 65536 KB
[   1.0000000] (2368 KB reserved for PROM, 63168 KB used by NetBSD)
[   1.0000000] avail memory = 50832 KB
[   1.0000000] mainbus0 (root)
[   1.0000000] cpu0 at mainbus0: ID 0 (primary), 21066-2 (LCA4)
[   1.0000000] lca0 at mainbus0
[   1.0000000] lca0: 256 KB Bcache detected
[   1.0000000] pci0 at lca0 bus 0
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 0 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 1 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 2 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 3 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 4 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 5 function 0 not configured
[   1.0000000] siop0 at pci0 dev 6 function 0: Symbios Logic 53c810 (fast scsi)
[   1.0000000] siop0: interrupting at isa irq 11
[   1.0000000] scsibus0 at siop0: 8 targets, 8 luns per target
[   1.0000000] sio0 at pci0 dev 7 function 0: vendor 8086 product 0484 (rev. 0x03)
[   1.0000000] tlp0 at pci0 dev 8 function 0: DECchip 21040 Ethernet, pass 2.3
[   1.0000000] tlp0: interrupting at isa irq 15
[   1.0000000] tlp0: Ethernet address 08:00:2b:e4:2f:65
[   1.0000000] tlp0: 10baseT, 10baseT-FDX, 10base5, manual
[   1.0000000] vendor 0047 product 0280 (miscellaneous network, revision 0x47) at pci0 dev 9 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 9 function 1 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 9 function 2 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 9 function 3 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 9 function 4 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 9 function 5 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 9 function 6 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 9 function 7 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 10 function 0 not configured
[   1.0000000] tga0 at pci0 dev 11 function 0: DC21030 step B, board type T8-02
[   1.0000000] tga0: 1024 x 768, 8bpp, Bt485 RAMDAC
[   1.0000000] tga0: interrupting at isa irq 10
[   1.0000000] wsdisplay0 at tga0 (kbdmux ignored)
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 12 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 13 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 14 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 15 function 0 not configured
[   1.0000000] isa0 at sio0
[   1.0000000] lpt0 at isa0 port 0x3bc-0x3bf irq 7
[   1.0000000] com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, 16-byte FIFO
[   1.0000000] com0: console
[   1.0000000] com1 at isa0 port 0x2f8-0x2ff irq 3: ns16550a, 16-byte FIFO
[   1.0000000] pckbc0 at isa0 port 0x60-0x64
[   1.0000000] fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
[   1.0000000] mcclock0 at isa0 port 0x70-0x71: mc146818 compatible time-of-day clock
[   1.0000000] stray isa irq 3
[   1.0000000] stray isa irq 4
[   1.0129035] scsibus0: waiting 2 seconds for devices to settle...
[   1.1095799] WARNING: system needs entropy for security; see entropy(7)
[   1.6798726] entropy: best effort
[   3.7999873] sd0 at scsibus0 target 2 lun 0: <RaSCSI, FBSE15.2S, 0134> disk fixed
[   3.8917856] sd0: 15279 MB, 156466 cyl, 8 head, 25 sec, 512 bytes/sect x 31293360 sectors
[   3.9894307] sd0: async, 8-bit transfers
[   4.3517443] sd1 at scsibus0 target 4 lun 0: <RaSCSI, PRODRIVE LPS283S, 0134> disk fixed
[   4.4503675] sd1: 283 MB, 2903 cyl, 8 head, 25 sec, 512 bytes/sect x 580672 sectors
[   4.5421625] sd1: async, 8-bit transfers
[   4.5949204] sd2 at scsibus0 target 5 lun 0: <RaSCSI, PRODRIVE LPS226S, 0134> disk fixed
[   4.6925877] sd2: 226 MB, 2322 cyl, 8 head, 25 sec, 512 bytes/sect x 464516 sectors
[   4.7843668] sd2: async, 8-bit transfers
[   6.4396360] root on md0a dumps on md0b
[   6.4865057] root file system type: ffs
[   6.5314369] kern.module.path=/stand/alpha/10.0/modules
[   6.8224852] stray isa irq 4
Terminal type? [[   7.1769473] stray isa irq 4
[   7.2263885] stray isa irq 4
[   7.2596591] stray isa irq 4; stopped logging
>Fix:
Apply changes from OpenBSD alpha/pci/sio_pic.c between version 1.37 and 1.38

https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/arch/alpha/pci/sio_pic.c?rev=1.38&content-type=text/x-cvsweb-markup&f=h
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/arch/alpha/pci/sio_pic.c.diff?r1=1.37&r2=1.38&f=h

>>>boot dka400
(boot dka400.4.0.6.0 -flags 0)
block 0 of dka400.4.0.6.0 is a valid boot block
reading 13 blocks from dka400.4.0.6.0
bootstrap code read in
base = 166000, image_start = 0, image_bytes = 1a00
initializing HWRPB at 2000
initializing page table at 158000
initializing machine state
setting affinity to the primary CPU
jumping to bootstrap code

NetBSD/alpha 10.0 ISO 9660 Primary Bootstrap
Jumping to entry point...

NetBSD/alpha 10.0 Secondary Bootstrap, Revision 1.13 (Thu Dec 12 00:58:55 UTC 2024)

VMS PAL rev: 0x1000000010530
OSF PAL rev: 0x1000000020123
Switch to OSF PAL code succeeded.

Boot flags: 0
11265776+185312=0xaec0d0

Entering netbsd at 0xfffffc0000a01410...
[   1.0000000] Unrecognized boot flag '0'.
[   1.0000000] Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
[   1.0000000]     2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
[   1.0000000]     2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023,
[   1.0000000]     2024
[   1.0000000]     The NetBSD Foundation, Inc.  All rights reserved.
[   1.0000000] Copyright (c) 1982, 1986, 1989, 1991, 1993
[   1.0000000]     The Regents of the University of California.  All rights reserved.

[   1.0000000] NetBSD 10.0 (INSTALL) #1: Fri Dec 13 16:19:15 UTC 2024
[   1.0000000] 	naruaki@localhost:/usr/obj.alpha/sys/arch/alpha/compile/INSTALL
[   1.0000000] (PCI ISA), 167MHz, s/n 
[   1.0000000] 8192 byte page size, 1 processor.
[   1.0000000] total memory = 65536 KB
[   1.0000000] (2368 KB reserved for PROM, 63168 KB used by NetBSD)
[   1.0000000] avail memory = 50824 KB
[   1.0000000] mainbus0 (root)
[   1.0000000] cpu0 at mainbus0: ID 0 (primary), 21066-2 (LCA4)
[   1.0000000] lca0 at mainbus0
[   1.0000000] lca0: 256 KB Bcache detected
[   1.0000000] pci0 at lca0 bus 0
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 0 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 1 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 2 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 3 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 4 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 5 function 0 not configured
[   1.0000000] siop0 at pci0 dev 6 function 0: Symbios Logic 53c810 (fast scsi)
[   1.0000000] siop0: interrupting at isa irq 11
[   1.0000000] scsibus0 at siop0: 8 targets, 8 luns per target
[   1.0000000] sio0 at pci0 dev 7 function 0: vendor 8086 product 0484 (rev. 0x03)
[   1.0000000] tlp0 at pci0 dev 8 function 0: DECchip 21040 Ethernet, pass 2.3
[   1.0000000] tlp0: interrupting at isa irq 15
[   1.0000000] tlp0: Ethernet address 08:00:2b:e4:2f:65
[   1.0000000] tlp0: 10baseT, 10baseT-FDX, 10base5, manual
[   1.0000000] vendor 0047 product 0280 (miscellaneous network, revision 0x47) at pci0 dev 9 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 9 function 1 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 9 function 2 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 9 function 3 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 9 function 4 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 9 function 5 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 9 function 6 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 9 function 7 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 10 function 0 not configured
[   1.0000000] tga0 at pci0 dev 11 function 0: DC21030 step B, board type T8-02
[   1.0000000] tga0: 1024 x 768, 8bpp, Bt485 RAMDAC
[   1.0000000] tga0: interrupting at isa irq 10
[   1.0000000] wsdisplay0 at tga0 (kbdmux ignored)
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 12 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 13 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 14 function 0 not configured
[   1.0000000] vendor 000a product 0000 (miscellaneous prehistoric, revision 0x0a) at pci0 dev 15 function 0 not configured
[   1.0000000] isa0 at sio0
[   1.0000000] lpt0 at isa0 port 0x3bc-0x3bf irq 7
[   1.0000000] com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, 16-byte FIFO
[   1.0000000] com0: console
[   1.0000000] com1 at isa0 port 0x2f8-0x2ff irq 3: ns16550a, 16-byte FIFO
[   1.0000000] pckbc0 at isa0 port 0x60-0x64
[   1.0000000] fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
[   1.0000000] mcclock0 at isa0 port 0x70-0x71: mc146818 compatible time-of-day clock
[   1.0134647] scsibus0: waiting 2 seconds for devices to settle...
[   1.1091478] WARNING: system needs entropy for security; see entropy(7)
[   1.6794299] entropy: best effort
[   3.7907505] sd0 at scsibus0 target 2 lun 0: <RaSCSI, FBSE15.2S, 0134> disk fixed
[   3.8825652] sd0: 15279 MB, 156466 cyl, 8 head, 25 sec, 512 bytes/sect x 31293360 sectors
[   3.9811790] sd0: async, 8-bit transfers
[   4.3434845] sd1 at scsibus0 target 4 lun 0: <RaSCSI, PRODRIVE LPS283S, 0134> disk fixed
[   4.4411557] sd1: 283 MB, 2903 cyl, 8 head, 25 sec, 512 bytes/sect x 580672 sectors
[   4.5329324] sd1: async, 8-bit transfers
[   4.5856798] sd2 at scsibus0 target 5 lun 0: <RaSCSI, PRODRIVE LPS226S, 0134> disk fixed
[   4.6833245] sd2: 226 MB, 2322 cyl, 8 head, 25 sec, 512 bytes/sect x 464516 sectors
[   4.7751141] sd2: async, 8-bit transfers
[   6.4352774] root on md0a dumps on md0b
[   6.4821548] root file system type: ffs
[   6.5270871] kern.module.path=/stand/alpha/10.0/modules
Terminal type? [vt100] 
Erase set to backspace.                                                 
erase ^?, werase ^W, kill ^U, intr ^C


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