Date: Thu, 20 Jun 2019 23:22:29 -0400 From: Dennis Clarke <dclarke@blastwave.org> To: "powerpc@freebsd.org" <powerpc@FreeBSD.org> Subject: FreeBSD 13.0-CURRENT r349241 on PowerMac G5 instant panic in vm_mem_init(0) Message-ID: <4e9daf78-04c0-2e74-8bcb-142437f6f880@blastwave.org>
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Just did the usual process on a system that was running r344744 just
fine for a while now. At boot time I interrupted the loader with
set usefdt=1
set debug.rman_debug=1
set debug.verbose_sysinit=1
Then tried a boot -v which resulted in a nearly instantaneous panic
so early that I only ever saw the normal WARNING: WITNESS option as
usual and then :
subsystem 1000000
vm_mem_init(0)... panic: segind 91 m 0xc000000273832bf0
cpuid = 0
time = 1
KDB: stack backtrace:
0xe0000000000000008500: at .kdb_backtrace+0x5c
0xe0000000000000008630: at .vpanic+0x1b4
0xe00000000000000086f0: at .panic+0x38
0xe0000000000000008780: at .vm_phys_enqueue_contig+0x64
0xe0000000000000008850: at .vm_page_startup+0x7b4
0xe0000000000000008920: at .vm_mem_init+0x30
0xe00000000000000089b0: at .mi_startup+0x308
0xe0000000000000008a50: at .btext+0xc4
KDB: enter: panic
[ thread pid 0 tid 0 ]
Stopped at .kdb_enter+0x60: ld r2, r1, 0x28
db>
Feels like the vmhat layer but tough to say.
Anyone seen a recent ppc64 kernel boot on these things?
--
Dennis Clarke
RISC-V/SPARC/PPC/ARM/CISC
UNIX and Linux spoken
GreyBeard and suspenders optional
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