RK3399 PCIE with NVME error

[ 1978.445672] nvme nvme0: pci function 0000:01:00.0
[ 1978.446345] nvme 0000:01:00.0: enabling device (0000 -> 0002)
[ 1978.585937] nvme nvme0: allocated 38 MiB host memory buffer.
[ 1978.586838] nvme nvme0: failed to set host mem (err 24578, flags 0x1).
[ 1978.587434] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000048
[ 1978.588206] Mem abort info:
[ 1978.588459]   ESR = 0x96000006
[ 1978.588736]   Exception class = DABT (current EL), IL = 32 bits
[ 1978.589260]   SET = 0, FnV = 0
[ 1978.589536]   EA = 0, S1PTW = 0
[ 1978.589818] Data abort info:
[ 1978.590079]   ISV = 0, ISS = 0x00000006
[ 1978.590477]   CM = 0, WnR = 0
[ 1978.590751] user pgtable: 4k pages, 48-bit VAs, pgdp = 00000000d7dafd94
[ 1978.591336] [0000000000000048] pgd=00000000f665c003, pud=00000000f665f003, pmd=0000000000000000
[ 1978.592111] Internal error: Oops: 96000006 [#1] PREEMPT SMP
[ 1978.592604] Modules linked in: nvme nvme_core rockchipdrm dw_mipi_dsi analogix_dp dw_hdmi drm_kms_helper drm drm_panel_orientation_quirks fb_sys_fops syscopyarea sysfillrect sysimgblt cfbfillrect
cfbimgblt cfbcopyarea fb font leds_gpio fan53555 ipv6 cfg80211 rfkill pcie_rockchip_host phy_rockchip_pcie rockchip realtek dwmac_rk stmmac_platform stmmac [last unloaded: leds_gpio]
[ 1978.595569] CPU: 1 PID: 1436 Comm: kworker/u12:1 Tainted: G        W         4.20.0-rc6-next-20181211-dirty #12
[ 1978.596453] Hardware name: FriendlyARM NanoPC-T4 (DT)
[ 1978.596929] Workqueue: nvme-reset-wq nvme_reset_work [nvme]
[ 1978.597428] pstate: 80000005 (Nzcv daif -PAN -UAO)
[ 1978.597863] pc : __vunmap+0x28/0xd0
[ 1978.598179] lr : __vunmap+0x28/0xd0
[ 1978.598492] sp : ffff000011123ba0
[ 1978.598789] x29: ffff000011123ba0 x28: ffff8000ed5d0000
[ 1978.599265] x27: ffff000010823010 x26: ffff7e0003c74000
[ 1978.599741] x25: 0000000000000000 x24: ffff8000f67680b0
[ 1978.600215] x23: 0000000000400000 x22: ffff00001008ff38
[ 1978.600689] x21: 0000000000000000 x20: 03ff7a00004023c0
[ 1978.601165] x19: ffff7e0003c74000 x18: 0000000000000010
[ 1978.601639] x17: 0000000000000000 x16: 0000000000000000
[ 1978.602114] x15: ffffffffffffffff x14: ffff000010cbd688
[ 1978.602590] x13: ffff000090dfbb9f x12: ffff000010dfbba7
[ 1978.603066] x11: ffff000010cd0000 x10: ffff0000111238a0
[ 1978.603540] x9 : 00000000ffffffd0 x8 : 7367616c66202c38
[ 1978.604014] x7 : 3735343220727265 x6 : 0000000000000000
[ 1978.604487] x5 : 0000000000000003 x4 : ffff00001008fee8
[ 1978.604963] x3 : 0000000000000001 x2 : 0000000000000000
[ 1978.605437] x1 : ffff8000f6049a00 x0 : 0000000000000000
[ 1978.605915] Process kworker/u12:1 (pid: 1436, stack limit = 0x00000000c0eb9dbd)
[ 1978.606558] Call trace:
[ 1978.606785]  __vunmap+0x28/0xd0
[ 1978.607071]  vunmap+0x24/0x30
[ 1978.607345]  arch_dma_free+0x84/0xa8
[ 1978.607668]  dma_direct_free+0x14/0x38
[ 1978.608016]  nvme_free_host_mem+0x94/0x1c0 [nvme]
[ 1978.608447]  nvme_reset_work+0x1100/0x17d0 [nvme]
[ 1978.608871]  process_one_work+0x1e0/0x318
[ 1978.609233]  worker_thread+0x228/0x428
[ 1978.609574]  kthread+0x124/0x128
[ 1978.609868]  ret_from_fork+0x10/0x18
[ 1978.610195] Code: f90013f5 2a0103f5 54000401 97fff66b (f9402414)
[ 1978.610738] ---[ end trace f671fbc5d7a71bf0 ]---