Date: Mon, 8 Jan 2024 18:34:24 +0100 From: Lev Serebryakov <lev@FreeBSD.org> To: freebsd-fs <freebsd-fs@freebsd.org>, freebsd-stable <freebsd-stable@freebsd.org> Subject: Crash on adding L2ARC to raidz1 pool Message-ID: <22167ed4-887d-4fe0-b0a6-36312ae38fea@FreeBSD.org>
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Hello!
System: FreeBSD 13.2-STABLE stable/13-n256849-05c55eed44e5 BLOB amd64
I'm still trying to add NVMe L2ARC to my 5xHDD RADIZ1 pool. Last attempt of adding 640GiB (10x RAM) GPT partition on NVMe (AData Legend 960) leads to instant crash.
I have:
vfs.zfs.compressed_arc_enabled=0
vfs.zfs.abd_scatter_enabled=0
Fortunately, crashdump was successful. Here is backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0162741a30
vpanic() at vpanic+0x152/frame 0xfffffe0162741a80
panic() at panic+0x43/frame 0xfffffe0162741ae0
vm_fault() at vm_fault+0x11cb/frame 0xfffffe0162741bf0
vm_fault_trap() at vm_fault_trap+0xb0/frame 0xfffffe0162741c40
trap_pfault() at trap_pfault+0x1ee/frame 0xfffffe0162741ca0
calltrap() at calltrap+0x8/frame 0xfffffe0162741ca0
--- trap 0xc, rip = 0xffffffff809350e5, rsp = 0xfffffe0162741d70, rbp = 0xfffffe0162741d70 ---
memset_std() at memset_std+0xe5/frame 0xfffffe0162741d70
l2arc_feed_thread() at l2arc_feed_thread+0xe83/frame 0xfffffe0162741ef0
or
#9 <signal handler called>
No locals.
#10 memset_std () at /usr/src/sys/amd64/amd64/support.S:670
No locals.
#11 0xffffffff81233fb3 in l2arc_apply_transforms (spa=0xfffffe028928b000,
hdr=0xfffff8036e5835a0, asize=4096, abd_out=<optimized out>)
at /usr/src/sys/contrib/openzfs/module/zfs/arc.c:9372
mac = '\000' <repeats 15 times>
tmp = 0xfffffe0f9cbba800
cabd = 0xfffff806842f2e80
eabd = 0x0
to_write = <optimized out>
compress = <optimized out>
psize = 0
size = 1536
ismd = 131072
dck = 0x0
no_crypt = 0
ret = <optimized out>
bswap = <optimized out>
out = <optimized out>
#12 l2arc_write_buffers (spa=0xfffffe028928b000, dev=0xfffffe0f9cce0000,
target_sz=9502720) at /usr/src/sys/contrib/openzfs/module/zfs/arc.c:9606
type = ARC_BUFC_METADATA
ret = <optimized out>
to_write = 0x0
hash_lock = 0xffffffff814d48a0 <buf_hash_table+14496>
psize = 512
asize = 4096
passed_sz = 2041344
mls = <optimized out>
pass = 1
cb = 0xfffff8086d0ea200
guid = 16009569622998995335
l2dhdr = 0xfffff8097cfce000
pio = 0xfffff80937081000
write_psize = 578048
write_asize = 1499136
write_lsize = <optimized out>
full = 0
head = 0xfffff809b7b37e40
hdr = 0xfffff8036e5835a0
headroom = 19005440
hdr_prev = 0xfffff80dd5a70a50
wzio = <optimized out>
pass = <optimized out>
passed_sz = <optimized out>
mls = <optimized out>
to_write = <optimized out>
hash_lock = <optimized out>
psize = <optimized out>
asize = <optimized out>
type = <optimized out>
ret = <optimized out>
_verify3_left = <optimized out>
_verify3_right = <optimized out>
#13 l2arc_feed_thread (unused=<optimized out>)
at /usr/src/sys/contrib/openzfs/module/zfs/arc.c:9830
cpr = {cc_lockp = 0xffffffff814e1568 <l2arc_feed_thr_lock>,
cc_events = 0 '\000', cc_id = 0xfffff800175fed00, cc_callb_cv = {
cv_description = 0xffffffff8143dbd9 <.L.str.47+3> "cpr)->cc_callb_cv", cv_waiters = 0}, cc_stop_cv = {
cv_description = 0xffffffff8143ac72 <.L.str.48+3> "cpr)->cc_stop_cv", cv_waiters = 0}}
next = <optimized out>
cookie = 0
dev = 0xfffffe0f9cce0000
spa = 0xfffffe028928b000
begin = 1662606050
size = 9502720
wrote = <optimized out>
#14 0xffffffff805e90dd in fork_exit (
callout=0xffffffff81233130 <l2arc_feed_thread>, arg=0x0,
frame=0xfffffe0162741f40) at /usr/src/sys/kern/kern_fork.c:1151
td = 0xfffffe01623b31e0
p = 0xfffffe0162367560
dtd = <optimized out>
#15 <signal handler called>
--
// Lev Serebryakov
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