Hi.

ACPI enabled kernel crash on my note pc.  I've compiled the with "-g".
It was compiled on 22th January, but similar crash happened from
November of last year.

root@edge[9]:gdb netbsd.gdb
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This GDB was configured as "i386--netbsdelf"...
(gdb) target kcore /var/crash/netbsd.6.core
panic: setrunnable
#0  0x1 in ?? ()
#0  0x1 in ?? ()
#1  0xc028acda in cpu_reboot (howto=260, bootstr=0x0)
    at ../../../../arch/i386/i386/machdep.c:2407
#2  0xc02158bb in panic () at ../../../../kern/subr_prf.c:243
#3  0xc031f83f in __assert () at ../../../../../../lib/libkern/__assert.c:47
#4  0xc02f98bc in AcpiOsGetThreadId ()
    at ../../../../dev/acpi/acpica/Osd/OsdSchedule.c:216
#5  0xc031371d in AcpiUtAcquireMutex (MutexId=8)
    at ../../../../dev/acpi/acpica/Subsystem/utmisc.c:812
#6  0xc0307dc2 in AcpiGetRegister (RegisterId=13, ReturnValue=0xc0469858, 
    Flags=1) at ../../../../dev/acpi/acpica/Subsystem/hwregs.c:376
#7  0xc0307782 in AcpiHwGetMode ()
    at ../../../../dev/acpi/acpica/Subsystem/hwacpi.c:296
#8  0xc0301a79 in AcpiDisable ()
    at ../../../../dev/acpi/acpica/Subsystem/evxfevnt.c:206
#9  0xc031440a in acpi_disable (sc=0xc0c60d00)
    at ../../../../dev/acpi/acpi.c:358
#10 0xc03143d7 in acpi_shutdown (arg=0xc0c60d00)
    at ../../../../dev/acpi/acpi.c:342
#11 0xc0209ce6 in doshutdownhooks () at ../../../../kern/kern_subr.c:490
#12 0xc028acdf in cpu_reboot (howto=260, bootstr=0x0)
    at ../../../../arch/i386/i386/machdep.c:2410
#13 0xc02158bb in panic () at ../../../../kern/subr_prf.c:243
#14 0xc0292832 in trap (frame={tf_gs = -1071513584, tf_fs = -1069154256, 
      tf_es = -1060765680, tf_ds = 16, tf_edi = 0, tf_esi = -1067314344, 
      tf_ebp = -1069114660, tf_ebx = -1069114748, tf_edx = -484851088, 
      tf_ecx = -1069114764, tf_eax = 0, tf_trapno = 6, tf_err = 0, 
      tf_eip = -1071394896, tf_cs = 8, tf_eflags = 66050, 
      tf_esp = -1069114904, tf_ss = -1060730112, tf_vm86_es = -1069114740, 
      tf_vm86_ds = -1069114480, tf_vm86_fs = -1057774592, 
      tf_vm86_gs = -1057775604}) at ../../../../arch/i386/i386/trap.c:290
#15 0xc0102b88 in calltrap ()
#16 0xc01de1e1 in ffs_putpages (v=0xc0469b60)
    at ../../../../ufs/ffs/ffs_vnops.c:558
#17 0xc023ad15 in VOP_PUTPAGES (vp=0xe319c270, offlo=0, offhi=0, flags=17)
    at ../../../../kern/vnode_if.c:1665
#18 0xc01ddda9 in ffs_full_fsync (v=0xc0469c78)
    at ../../../../ufs/ffs/ffs_vnops.c:354
#19 0xc01ddaf4 in ffs_fsync (v=0xc0469c78)
    at ../../../../ufs/ffs/ffs_vnops.c:263
#20 0xc023a568 in VOP_FSYNC (vp=0xe319c270, cred=0xc0c60f00, flags=0, offlo=0, 
    offhi=0, p=0xc0408c60) at ../../../../kern/vnode_if.c:691
#21 0xc01dc34b in ffs_sync (mp=0xc0cdd600, waitfor=2, cred=0xc0c60f00, 
    p=0xc0408c60) at ../../../../ufs/ffs/ffs_vfsops.c:1151
#22 0xc0235e4a in sys_sync (p=0xc0408c60, v=0x0, retval=0x0)
    at ../../../../kern/vfs_syscalls.c:585
#23 0xc0234c20 in vfs_shutdown () at ../../../../kern/vfs_subr.c:2479
#24 0xc028acaf in cpu_reboot (howto=256, bootstr=0x0)
    at ../../../../arch/i386/i386/machdep.c:2394
#25 0xc02158bb in panic () at ../../../../kern/subr_prf.c:243
#26 0xc020b8c9 in setrunnable (p=0xe2db41e0)
    at ../../../../kern/kern_synch.c:972
#27 0xc020b260 in endtsleep (arg=0xe2db41e0)
    at ../../../../kern/kern_synch.c:538
#28 0xc01fa14d in softclock (v=0x0) at ../../../../kern/kern_clock.c:993
#29 0xc02918f1 in softintr_dispatch (which=0)
    at ../../../../arch/i386/i386/softintr.c:109
#30 0xc0102891 in Xsoftclock ()
(gdb) frame 4
#4  0xc02f98bc in AcpiOsGetThreadId ()
    at ../../../../dev/acpi/acpica/Osd/OsdSchedule.c:216
216             KASSERT(curproc != NULL);
(gdb) l
211      */
212     UINT32
213     AcpiOsGetThreadId(void)
214     {
215
216             KASSERT(curproc != NULL);
217
218             /* XXX Bleh, we're not allowed to return 0 (how stupid!) */
219             return (curproc->p_pid + 1);
220     }
(gdb) up
#5  0xc031371d in AcpiUtAcquireMutex (MutexId=8)
    at ../../../../dev/acpi/acpica/Subsystem/utmisc.c:812
812         ThisThreadId = AcpiOsGetThreadId ();
(gdb) l
807         if (MutexId > MAX_MTX)
808         {
809             return (AE_BAD_PARAMETER);
810         }
811
812         ThisThreadId = AcpiOsGetThreadId ();
813
814         /*
815          * Deadlock prevention.  Check if this thread owns any mutexes of value
816          * greater than or equal to this one.  If so, the thread has violated


-- 
Takahiro Kambe <taca@back-street.net>