[Bug 207998] Panic during boot on Sparc64 11-CURRENT (r296811)

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Mon Mar 14 20:16:42 UTC 2016


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=207998

            Bug ID: 207998
           Summary: Panic during boot on Sparc64 11-CURRENT (r296811)
           Product: Base System
           Version: 11.0-CURRENT
          Hardware: sparc64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: dal36 at gmx.co.uk

I'm experiencing a panic during boot on sparc64 11-CURRENT (r296811). This
install was booting without problems on 11-CURRENT r296149, and booting the old
kernel avoids the panic. Update procedure was as described in the handbook
(23.6 Rebuilding World). Whilst I'm not familiar with the Sparc64 source, the
panic seems to be occurring around addition of nexus0 and I noticed that a
change was commited to nexus-related code in r296250; could this be related?

Boot messages as follows:

Hit [Enter] to boot immediately, or any other key for command prompt.
Booting [/boot/kernel/kernel]...               
jumping to kernel entry at 0xc00b0000.
GDB: no debug ports present
KDB: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2016 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 is a registered trademark of The FreeBSD Foundation.
FreeBSD 11.0-CURRENT #0 r296811: Mon Mar 14 09:31:43 GMT 2016
    root at Computer:/usr/obj/usr/src/sys/GENERIC sparc64
gcc version 4.2.1 20070831 patched [FreeBSD]
WARNING: WITNESS option enabled, expect reduced performance.
VT: init without driver.
real memory  = 4294967296 (4096 MB)
avail memory = 4172685312 (3979 MB)
cpu0: Sun Microsystems UltraSparc-IIIi Processor (1600.00 MHz CPU)
cpu1: Sun Microsystems UltraSparc-IIIi Processor (1600.00 MHz CPU)
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
random: unblocking device.
random: entropy device external interface
kbd0 at kbdmux0
nexus0: <Open Firmware Nexus device>
pcib0: <Sun Host-PCI bridge> mem
0x4000e600000-0x4000e60afff,0x4000e410000-0x4000e41701f,0x7ce00000000-0x7ce000000ff,0x4000e780000-0x4000e78ffff
irq 1842,1840,1841,1844,1827 on nexus0
panic: schizo_attach: could not allocate register bank 0
cpuid = 0
KDB: stack backtrace:
vpanic() at vpanic+0x1b4
panic() at panic+0x20
schizo_attach() at schizo_attach+0x190
device_attach() at device_attach+0x5a8
device_probe_and_attach() at device_probe_and_attach+0x64
bus_generic_attach() at bus_generic_attach+0x10
nexus_attach() at nexus_attach+0x590
device_attach() at device_attach+0x5a8
device_probe_and_attach() at device_probe_and_attach+0x64
bus_generic_new_pass() at bus_generic_new_pass+0x11c
bus_set_pass() at bus_set_pass+0xf8
root_bus_configure() at root_bus_configure+0x8
configure() at configure+0x4
mi_startup() at mi_startup+0x1d0
btext() at btext+0x28
KDB: enter: panic
[ thread pid 0 tid 100000 ]
Stopped at      kdb_enter+0x80: ta              %xcc, 1
db>

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