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Date:      Wed, 27 Jan 2021 22:54:41 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 253051] panic: mips_intrcnt_setname: NULL counter ; on qemu-system-mips64 (regression)
Message-ID:  <bug-253051-227-EcKop7u4aq@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-253051-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-253051-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D253051

--- Comment #4 from Micha=C5=82 G=C3=B3rny <mgorny@gentoo.org> ---
It still fails but I can get some backtrace now ;-).

---
entry: platform_start()
cmd line: kernel=20=20
envp:
        memsize =3D 134217728
        ememsize =3D 134217728
        modetty0 =3D 38400n8r
memsize =3D 134217728 (0x08000000)
ememsize =3D 134217728
Cache info:
  icache is virtual
  picache_stride    =3D 8192
  picache_loopcount =3D 4
  pdcache_stride    =3D 4096
  pdcache_loopcount =3D 8
  max line size     =3D 32
Physical memory chunk(s):
0x94e000 - 0x7ffffff, 124461056 bytes (30386 pages)
Maxmem is 0x8000000
---<<BOOT>>---
KDB: debugger backends: ddb
KDB: current backend: ddb
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        The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 13.0-ALPHA2 #8 master-bae4112-dirty: Wed Jan 27 22:47:19 UTC 2021
    root@fb:/usr/obj/usr/src/mips.mips64/sys/MALTA64 mips
FreeBSD clang version 11.0.1 (git@github.com:llvm/llvm-project.git
llvmorg-11.0.1-0-g43ff75f2c3fe)
Preloaded elf kernel "kernel" at 0xffffffff80947930.
CPU: MIPS Technologies processor v160.130
  MMU: Standard TLB, 48 entries (4K 16K 64K 256K 1M 16M 64M 256M pg sizes)
  L1 i-cache: 4 ways of 256 sets, 32 bytes per line
  L1 d-cache: 4 ways of 256 sets, 32 bytes per line
  L2 cache: disabled
  Config1=3D0xdea3519b<PerfCount,WatchRegs,EJTAG,FPU>
  FPU ID=3D0xf8200<S,D,PS,3D,W>
  Config2=3D0x80000000
real memory  =3D 134217728 (131072K bytes)
Physical memory chunk(s):
0x00a6b000 - 0x07d14fff, 120233984 bytes (29354 pages)
avail memory =3D 119300096 (113MB)
random: no preloaded entropy cache
arc4random: WARNING: initial seeding bypassed the cryptographic random devi=
ce
because it was not yet seeded and the knob 'bypass_before_seeding' was enab=
led.
hostuuid: using 00000000-0000-0000-0000-000000000000
panic: mips_intrcnt_setname: NULL counter
time =3D 1
KDB: enter: panic
[ thread pid 0 tid 100000 ]
Stopped at      0x4
db> bt
Tracing pid 0 tid 100000 td 0xffffffff80900240
kdb_enter+0x94 (?,?,?,?) ra ffffffff8046e474 sp 9800000000967b70 sz 32
vpanic+0x23c (?,?,?,?) ra ffffffff8046e0a8 sp 9800000000967b90 sz 64
panic+0x30 (?,?,?,?) ra ffffffff80772288 sp 9800000000967bd0 sz 80
cpu_init_interrupts+0x318 (?,?,?,?) ra ffffffff80755720 sp 9800000000967c20=
 sz
128
is_cacheable_mem+0x2d8 (?,?,?,?) ra ffffffff803d4e68 sp 9800000000967ca0 sz=
 16
mi_startup+0x280 (?,?,?,?) ra ffffffff80100404 sp 9800000000967cb0 sz 96
btext+0xdc (?,?,?,?) ra 0 sp 9800000000967d10 sz 0

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