Date: Sat, 20 Oct 2018 20:38:24 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 232489] [gvinum] Fails to properly unregister geom consumer Message-ID: <bug-232489-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D232489 Bug ID: 232489 Summary: [gvinum] Fails to properly unregister geom consumer Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: noah.bergbauer@tum.de I just removed a drive from gvinum, then stopped/unloaded geom_vinum.ko. Af= ter that I resized the partition that used to be the drive. Kernel panic. Crashdump: Fatal trap 12: page fault while in kernel mode cpuid =3D 2; apic id =3D 02 fault virtual address =3D 0x8 fault code =3D supervisor read data, page not present instruction pointer =3D 0x20:0xffffffff805aec9e stack pointer =3D 0x28:0xfffffe0f77d419e0 frame pointer =3D 0x28:0xfffffe0f77d419f0 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 13 (g_event) trap number =3D 12 panic: page fault cpuid =3D 2 KDB: stack backtrace: #0 0xffffffff806a5e27 at kdb_backtrace+0x67 #1 0xffffffff80663a16 at vpanic+0x186 #2 0xffffffff80663883 at panic+0x43 #3 0xffffffff809a4362 at trap_fatal+0x322 #4 0xffffffff809a43b9 at trap_pfault+0x49 #5 0xffffffff809a3bf6 at trap+0x286 #6 0xffffffff80989bd1 at calltrap+0x8 #7 0xffffffff805b6f71 at g_resize_provider_event+0x71 #8 0xffffffff805b2576 at g_run_events+0x256 #9 0xffffffff806274b5 at fork_exit+0x85 #10 0xffffffff8098a10e at fork_trampoline+0xe >From this I would guess that after gpart performed the resize, it attempted= to notify gvinum about the change. But geom_vinum.ko is gone =3D> kernel panic (not very familiar with the kernel, sorry if I got some terminology wrong) --=20 You are receiving this mail because: You are the assignee for the bug.=
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