Date: Thu, 6 Dec 2018 13:02:44 +0100 (CET) From: =?ISO-8859-1?Q?Trond_Endrest=F8l?= <Trond.Endrestol@fagskolen.gjovik.no> To: FreeBSD stable <freebsd-stable@freebsd.org> Subject: Kernel panic, stable/12 r341604, swapon -a in SU mode, geli encrypted swap, Chelsio T6225-CR, and ccr(4) Message-ID: <alpine.BSF.2.21.9999.1812061248310.41853@mail.fig.ol.no>
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After booting stable/12 r341604, running a custom kernel including
cxgbe(4), cxgbev(4), and ccr(4), and running swapon -a in SU mode:
GEOM_ELI: Device gpt/swap0.eli created.
GEOM_ELI: Encryption: AES-XTS 256
GEOM_ELI: Crypto: hardware
Fatal trap 12: page fault while in kernel mode
cpuid = 3; apic id = 06
fault virtual address = 0x0
fault code = supervisor write data, page not present
instruction pointer = 0x20:0xffffffff805be1b2
stack pointer = 0x28:0xfffffe00a6253770
frame pointer = 0x28:0xfffffe00a6253770
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 65 (g_eli[3] gpt/swap0)
trap number = 12
panic: page fault
cpuid = 3
time = 1544087308
KDB: stack backtrace:
db_trace_self_wrapper() at 0xffffffff8055d9eb = db_trace_self_wrapper+0x2b/frame 0xfffffe00a6253420
vpanic() at 0xffffffff808754d3 = vpanic+0x1a3/frame 0xfffffe00a6253480
panic() at 0xffffffff80875323 = panic+0x43/frame 0xfffffe00a62534e0
trap_fatal() at 0xffffffff80bd745f = trap_fatal+0x35f/frame 0xfffffe00a6253530
trap_pfault() at 0xffffffff80bd74b9 = trap_pfault+0x49/frame 0xfffffe00a4b7f590
trap() at 0xffffffff80bd6ade = trap+0x29e/frame 0xfffffe00a4b7f6a0
calltrap() at 0xffffffff80bb3935 = calltrap+0x8/frame 0xfffffe00a4b7f6a0
--- trap 0xc, rip = 0xffffffff805be1b2, rsp = 0xfffffe00a4b7f770, rbp = 0xfffffe00a4b7f770
t4_wrq_tx_locked() at 0xffffffff805be1b2 = t4_wrq_tx_locked+0x12/frame 0xfffffe00a6253770
ccr_process() at 0xffffffff805e3fc3 = ccr_process+0x1953/frame 0xfffffe00a4b7f970
crypto_dispatch() at 0xffffffff80ae3fa4 = crypto_dispatch+0x144/frame 0xfffffe00a4b7f9b0
g_eli_crypto_run() at 0xffffffff807b5cb3 = g_eli_crypto_run+0x273/frame 0xfffffe00a4b7fa10
g_eli_worker() at 0xffffffff807aebc8 = g_eli_worker+0x3c8/frame 0xfffffe00a4b7fa70
fork_exit() at 0xffffffff80834d93 = fork_exit+0x83/frame 0xfffffe00a4b7fab0
fork_trampoline() at 0xffffffff80bb491e = fork_trampoline+0xe/frame 0xfffffe00a4b7fab0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
Uptime: 14s
Automatic reboot in 15 seconds - press a key on the console to abort
--> Press a key on the console to reboot,
The Chelsio NIC is a T6225-CR.
Kernel config is
https://ximalas.info/~trond/create-zfs/canmount/ENTERPRISE-amd64-stable-12
I tried stable/12 r341623 with ccr(4) removed from the kernel, and I
had no problems engaging geli encrypted swap in SU mode nor in normal
mode.
Has anyone else tried ccr(4) on recent stable/12?
Are we discouraged from using ccr(4)?
I was hoping to take advantage of the crypto accelerator.
--
Trond.
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