[Bug 295407] graid3 panics on insert

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 19 May 2026 07:32:42 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=295407

            Bug ID: 295407
           Summary: graid3 panics on insert
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: des@FreeBSD.org

Attempting to run the graid3 tests with the patch from bug 295380 results in
the following panic when the `graid3 insert` command is executed:

panic: Lock GEOM topology not exclusively locked @
/usr/src/sys/geom/geom_subr.c:378

cpuid = 4
time = 1779175663
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe008d8b9ba0
vpanic() at vpanic+0x149/frame 0xfffffe008d8b9cd0
panic() at panic+0x43/frame 0xfffffe008d8b9d30
_sx_assert() at _sx_assert+0x88/frame 0xfffffe008d8b9d40
g_new_geom() at g_new_geom+0x2d/frame 0xfffffe008d8b9d70
g_raid3_config() at g_raid3_config+0x2b8/frame 0xfffffe008d8b9e70
g_ctl_req() at g_ctl_req+0xc4/frame 0xfffffe008d8b9ec0
g_run_events() at g_run_events+0x104/frame 0xfffffe008d8b9ef0
fork_exit() at fork_exit+0x82/frame 0xfffffe008d8b9f30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe008d8b9f30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---

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