I have this tuner running on an rpi zero w and it seems to work OK regards signal strength but I occasionally get this:
> [ 2067.606526] systemd-journald[201]: Sent WATCHDOG=1 notification.
> [ 2127.608381] systemd-journald[201]: Sent WATCHDOG=1 notification.
>
[ 2190.756496] usb usb1-port1: disabled by hub (EMI?), re-enabling...
> [ 2190.756534] usb 1-1: USB disconnect, device number 2
> [ 2190.758346] Unable to handle kernel NULL pointer dereference at virtual address 00000014
> [ 2190.771079] pgd = 5771fbb4
> [ 2190.775869] [00000014] *pgd=00000000
> [ 2190.781660] Internal error: Oops: 5 [#1] ARM
> [ 2190.788106] Modules linked in: rfcomm bnep cmac sha256_generic arc4 ecb md4 md5 hmac hci_uart btbcm serdev nls_utf8 bluetooth cifs ecdh_generic ccm tda18250 mn88472 dvb_usb_dib0700 dib9000 dib7000m dib0090 dib0070 dib3000mc dibx000_common dvb_usb dvb_core snd_bcm2835(C) snd_pcm snd_timer snd sg uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6 iscsi_tcp libiscsi_tcp libiscsi brcmfmac cfg80211 rfkill brcmutil fixed
> [ 2190.838804] CPU: 0 PID: 660 Comm: kdvb-ad-0-fe-0 Tainted: G C 4.18.14+ #1153
> [ 2190.851730] Hardware name: BCM2835
> [ 2190.857370] PC is at mn88472_sleep+0x24/0x60 [mn88472]
> [ 2190.864829] LR is at dvb_usb_fe_sleep+0x3c/0x58 [dvb_usb]
> [ 2190.872552] pc : [<bf4260b8>] lr : [<bf3c6350>] psr: a0000013
> [ 2190.881131] sp : d8139ef0 ip : d8139f08 fp : d8139f04
> [ 2190.888606] r10: 00000000 r9 : c0a7dcf8 r8 : d8138000
> [ 2190.895990] r7 : d8672800 r6 : d867299c r5 : d73b09f8 r4 : 00000000
> [ 2190.904786] r3 : d7d40e00 r2 : 00000030 r1 : 0000000c r0 : db0de818
> [ 2190.913508] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
> [ 2190.922868] Control: 00c5387d Table: 1b354008 DAC: 00000055
> [ 2190.930855] Process kdvb-ad-0-fe-0 (pid: 660, stack limit = 0x43e7bc1b)
> [ 2190.939794] Stack: (0xd8139ef0 to 0xd813a000)
> [ 2190.946442] 9ee0: bf426094 db0de818 d8139f1c d8139f08
> [ 2190.959076] 9f00: bf3c6350 bf4260a0 db0de818 00000001 d8139f7c d8139f20 bf3aa760 bf3c6320
> [ 2190.971662] 9f20: 201d5818 60000013 db0dea54 d8672988 00000040 00000000 00000000 dbb79bc0
> [ 2190.984222] 9f40: c005821c d8139f44 d8139f44 1269cd2f c00423ec d8f39c00 db121ce0 00000000
> [ 2190.996828] 9f60: db0de818 bf3aa4b0 d8f39c18 d9427cb0 d8139fac d8139f80 c0042b58 bf3aa4bc
> [ 2191.009678] 9f80: ffffffff db121ce0 c0042a3c 00000000 00000000 00000000 00000000 00000000
> [ 2191.022719] 9fa0: 00000000 d8139fb0 c00090ac c0042a48 00000000 00000000 00000000 00000000
> [ 2191.035929] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> [ 2191.049294] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
> [ 2191.062852] [<bf4260b8>] (mn88472_sleep [mn88472]) from [<bf3c6350>] (dvb_usb_fe_sleep+0x3c/0x58 [dvb_usb])
> [ 2191.078309] [<bf3c6350>] (dvb_usb_fe_sleep [dvb_usb]) from [<bf3aa760>] (dvb_frontend_thread+0x2b0/0x4ec [dvb_core])
> [ 2191.094680] [<bf3aa760>] (dvb_frontend_thread [dvb_core]) from [<c0042b58>] (kthread+0x11c/0x158)
> [ 2191.109292] [<c0042b58>] (kthread) from [<c00090ac>] (ret_from_fork+0x14/0x28)
> [ 2191.119465] Exception stack(0xd8139fb0 to 0xd8139ff8)
> [ 2191.127309] 9fa0: 00000000 00000000 00000000 00000000
> [ 2191.141018] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> [ 2191.154667] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> [ 2191.164077] Code: e5903228 e3a0100c e3a02030 e593406c (e5940014)
> [ 2191.173118] ---[ end trace 2b59af1d8eeea781 ]---
> [ 2191.784379] usb 1-1: dvb_frontend_stop: warning: thread 6e6ae6d1 won't exit
I'm running 4.18.14+ which is obtainable from the rpi-update tool
> sudo BRANCH=next rpi-update