https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=243196
Bug ID: 243196
Summary: [PowerPC64] panic unloading geom driver
Product: Base System
Version: CURRENT
Hardware: powerpc
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: b...@freebsd.org
Reporter: alfredo.jun...@eldorado.org.br
I hit a kernel panic when unloading some geom drivers on a PowerPC64 QEMU
virtual machine:
[root@alfredo-2 /boot/kernel]# kldload geom_*
[root@alfredo-2 /boot/kernel]# kldunload geom_*
panic: Assertion g_journal_switcher_proc != NULL failed at
/usr/src/sys/geom/journal/g_journal.c:2970
cpuid = 15
time = 1578519766
KDB: stack backtrace:
0xe0000000641650f0: at kdb_backtrace+0x60
0xe000000064165200: at vpanic+0x1d8
0xe0000000641652b0: at panic+0x40
0xe0000000641652e0: at g_journal_fini+0x268
0xe000000064165390: at g_modevent+0x394
0xe000000064165430: at module_unload+0x70
0xe000000064165470: at linker_file_unload+0x290
0xe000000064165530: at kern_kldunload+0x148
0xe0000000641655e0: at sys_kldunloadf+0x34
0xe000000064165610: at trap+0xd58
0xe000000064165750: at powerpc_interrupt+0x1b8
0xe0000000641657e0: user SC trap by 0x810132350: srr1=0x800000000200f032
r1=0x3fffffffffffcef0 cr=0x42820b80 xer=0 ctr=0x810132340
r2=0x8102d2378 frame=0xe000000064165810
KDB: enter: panic
[ thread pid 40190 tid 100614 ]
Stopped at kdb_enter+0x78: ori r0, r0, 0x0
FreeBSD 13.0-CURRENT FreeBSD 13.0-CURRENT #0 r356261: Thu Jan 2 05:59:33 UTC
2020
r...@releng1.nyi.freebsd.org:/usr/obj/usr/src/powerpc.powerpc64/sys/GENERIC64
powerpc
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