ZFS: panic on zpool create

Andrey V. Elsukov wrote:
> I have recently CURRENT on the IBM x3650 server.
> 
> I can't use ZFS on this server. Any manipulation with zpool or zfs
> brings to panic. Any suggestion?

This command brings to panic:
# zpool create media aacd1

-- 
WBR, Andrey V. Elsukov

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Unread portion of the kernel message buffer:


Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address	= 0x20
fault code		= supervisor read, page not present
instruction pointer	= 0x20:0xc659fb26
stack pointer	        = 0x28:0xecd4eab8
frame pointer	        = 0x28:0xecd4eac0
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, def32 1, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 826 (zpool)
trap number		= 12
panic: page fault
cpuid = 1

Syncing disks, vnodes remaining...3 Syncing disks, buffers remaining... 7154 7153 7153 7153 7153 7153 7153 7153 0 7153 7153 7153 0 7153 7153 0 7153 7153 0 7153 0 7153 0 7153 7153 0 7153 0 7153 0 
Giving up on 7153 buffers
0 0 0 0 0 Uptime: 23m24s
Physical memory: 3063 MB
Dumping 200 MB: 185 169 1530  137 121 105 89 73 57 41 25 9

#0  doadump () at pcpu.h:172
	in pcpu.h
(kgdb) 
(kgdb) add-symbol-file /boot/kernel/acpi.ko.symbols 0xc0b894b8 -s .data 0xc0bc0040 -s .bss 0xc0bc2820
add symbol table from file "/boot/kernel/acpi.ko.symbols" at
	.text_addr = 0xc0b894b8
	.data_addr = 0xc0bc0040
	.bss_addr = 0xc0bc2820
(y or n) Reading symbols from /boot/kernel/acpi.ko.symbols...done.
(kgdb) add-symbol-file /boot/kernel/zfs.ko.symbols 0xc659c9d0 -s .data 0xc660a340 -s .bss 0xc660cac0
add symbol table from file "/boot/kernel/zfs.ko.symbols" at
	.text_addr = 0xc659c9d0
	.data_addr = 0xc660a340
	.bss_addr = 0xc660cac0
(y or n) Reading symbols from /boot/kernel/zfs.ko.symbols...done.
(kgdb) bt full
#0  doadump () at pcpu.h:172
No locals.
#1  0xc06c0b20 in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:409
	first_buf_printf = 0
#2  0xc06c0e2a in panic (fmt=0xc09038b4 "%s") at /usr/src/sys/kern/kern_shutdown.c:563
	td = (struct thread *) 0xc646d000
	bootopt = 256
	newpanic = 1
	ap = 0xecd4e998 "иэ\226ю"
	buf = "page fault", '\0' <repeats 245 times>
#3  0xc08bafa2 in trap_fatal (frame=0xecd4ea78, eva=32) at /usr/src/sys/i386/i386/trap.c:876
	code = 0
	type = 12
	ss = 40
	esp = 0
	softseg = {ssd_base = 0, ssd_limit = 1048575, ssd_type = 27, ssd_dpl = 0, ssd_p = 1, ssd_xx = 0, ssd_xx1 = 0, ssd_def32 = 1, ssd_gran = 1}
	msg = 0x0
#4  0xc08bac9b in trap_pfault (frame=0xecd4ea78, usermode=0, eva=32) at /usr/src/sys/i386/i386/trap.c:785
	va = 0
	vm = (struct vmspace *) 0x0
	map = 0xc64103a0
	rv = 1
	ftype = 1 '\001'
	td = (struct thread *) 0xc646d000
	p = (struct proc *) 0xc6470000
#5  0xc08ba8e2 in trap (frame=0xecd4ea78) at /usr/src/sys/i386/i386/trap.c:462
	td = (struct thread *) 0xc646d000
	p = (struct proc *) 0xc6470000
	i = 0
	ucode = 0
	type = 12
	code = 0
	addr = -957120804
	eva = 32
	ksi = {ksi_link = {tqe_next = 0xecd4ea34, tqe_prev = 0xc06c66ae}, ksi_info = {si_signo = -969902464, si_errno = 4, si_code = -966767395, 
    si_pid = 202, si_uid = 3337844736, si_status = -969902440, si_addr = 0xc6307680, si_value = {sival_int = -321590672, sival_ptr = 0xecd4ea70}, 
    _reason = {_fault = {_trapno = -1056487032}, _timer = {_timerid = -1056487032, _overrun = 1832}, _mesgq = {_mqd = -1056487032}, _poll = {
        _band = -1056487032}, __spare__ = {__spare1__ = -1056487032, __spare2__ = {1832, -1063905702, -321590680, -1066696169, -1056487032, 1, 
          -1064024269}}}}, ksi_flags = 214, ksi_sigq = 0xc106d420}
#6  0xc08a535b in calltrap () at /usr/src/sys/i386/i386/exception.s:139
No locals.
#7  0xc659fb26 in kmem_cache_alloc (cache=0x0, flags=2) at /usr/src/sys/modules/zfs/../../compat/opensolaris/kern/opensolaris_kmem.c:178
No locals.
#8  0xc65ae19e in arc_buf_alloc (spa=0x0, size=0, tag=0xc6546008, type=ARC_BUFC_UNDEF)
    at /usr/src/sys/modules/zfs/../../contrib/opensolaris/uts/common/fs/zfs/arc.c:866
	hdr = (arc_buf_hdr_t *) 0xc6546000
	buf = (arc_buf_t *) 0xc6546218
#9  0xc65ba11b in dmu_objset_open_impl (spa=0xc610b000, ds=0x0, bp=0xc6546218, osip=0x0)
    at /usr/src/sys/modules/zfs/../../contrib/opensolaris/uts/common/fs/zfs/dmu_objset.c:177
	winner = (objset_impl_t *) 0xc6546218
	osi = (objset_impl_t *) 0xc6546000
	i = 145
	err = -967548392
	checksum = 0
#10 0xc65ba29b in dmu_objset_create_impl (spa=0xc610b000, ds=0x0, bp=0xc6546218, type=DMU_OST_META, tx=0xc6ae7600)
    at /usr/src/sys/modules/zfs/../../contrib/opensolaris/uts/common/fs/zfs/dmu_objset.c:402
	osi = (objset_impl_t *) 0xc65bcbbf
	mdn = (dnode_t *) 0xc6546200
#11 0xc65c730b in dsl_pool_create (spa=0xc610b000, txg=) at /usr/src/sys/modules/zfs/../../contrib/opensolaris/uts/common/fs/zfs/dsl_pool.c:146
	dp = (dsl_pool_t *) 0xc6546200
	tx = (dmu_tx_t *) 0xc6ae7600
#12 0xc65cefc6 in spa_create (pool=0xc610b000 "ю╖)ф", nvroot=0xc629b0a0, altroot=0x0)
    at /usr/src/sys/modules/zfs/../../contrib/opensolaris/uts/common/fs/zfs/spa.c:1180
	spa = (spa_t *) 0xc610b000
	rvd = (vdev_t *) 0xc653b400
	dp = (dsl_pool_t *) 0x0
	tx = (dmu_tx_t *) 0x0
	c = 1
	error = 0
	spares = (nvlist_t **) 0xecd4ebd4
	nspares = 3328129721
	__func__ = (kgdb)