Hi tech@,
ipmi(4) enabled -current kernel gets following panic() on boot,
panic: acquiring blockable sleep lock with spinlock or critical section held
(kernel_lock) &kernel_lock @ /home/fukaumi/src/sys/arch/amd64/amd64/intr.c:525
Stopped at db_enter+0x12: popq %r11
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*423398 6970 0 0x14000 0x200 0 ipmicmd
db_enter(bd2a5f736e825eae,10,ffff8000212b6b90,282,8,ffffffff81561932) at
db_enter+0x12
panic(20d,ffffffff81b62719,ffffffff81a3ba3b,ffffffff81deb598,ffffffff81b62718,ffffffff81ccb464)
at panic+0x138
witness_checkorder(a2fe973e3a67ed63,ffffffff81a3ba3b,20d,0,ffffffff81deb390,ffff800000087380)
at witness_checkorder+0xd52
___mp_lock(ffff800000087380,ffff8000212b6d38,ffffffff81c97ff0,0,ffffffff817259d0,ffff8000212b6ce8)
at ___mp_lock+0x70
intr_handler(c1f8564e515d4217,4,ffff80000008c280,0,6,ffff800000087380) at
intr_handler+0x4c
Xintr_ioapic_edge21_untramp(0,0,0,0,0,34b00) at
Xintr_ioapic_edge21_untramp+0x13d
i82489_readreg(8f7f922366a4de4b,0,10,ffff8000212b6e18,286,8) at
i82489_readreg+0x1a
lapic_delay(5ece2493000,2,ffffffff81584942,ffff8000212b
6e50) at lapic_delay+0x72
kcs_wait(e550ca8103c4e2f2,ffff800000093000,ffff8000212b19d8,ffff80000008ac00,0,8f78bfa91f4d0kcs_wait+0x75
kcs_sendmsg(ff3b00327acc0e2e,ffff800000093000,ffff8000212b19d8,ffff8000212b6f20,ffffffff8114464e,ffff8000212b6ed0)
at kcs_sendmsg+0xce
ipmi_cmd_poll(ffffffff813fa090,ffff8000212b19d8,ffffffff811460ff,ffff8000212b6ef0,ff3b00327acc0e2e,ffff800000093000)
at ipmi_cmd_poll+0x5f
ipmi_cmd_wait_cb(ffff80000008ac00,1,ffffffff811462bf,ffff8000212b6f10,ffffffff813fa090,ffff8000212b19d8)
at ipmi_cmd_wait_cb+0xf
taskq_thread(0,0,ffffffff81889860,0,ffff8000212b19d8,ffffffff811462b0) at
taskq_thread+0x6d
end trace frame: 0x0, count: 2
following diff fixes it.
Index: ipmi.c
===================================================================
RCS file: /cvs/src/sys/dev/ipmi.c,v
retrieving revision 1.101
diff -u -p -r1.101 ipmi.c
--- ipmi.c 13 Apr 2018 05:33:38 -0000 1.101
+++ ipmi.c 14 Jun 2018 13:02:55 -0000
@@ -1725,7 +1725,7 @@ ipmi_attach(struct device *parent, struc
c->c_sc = sc;
c->c_ccode = -1;
- sc->sc_cmd_taskq = taskq_create("ipmicmd", 1, IPL_NONE, TASKQ_MPSAFE);
+ sc->sc_cmd_taskq = taskq_create("ipmicmd", 1, IPL_NONE, 0);
mtx_init(&sc->sc_cmd_mtx, IPL_NONE);
}
--
FUKAUMI Naoki
