Just resurected my old RPi 3 and as long as latest f27 image was OK I've pushed it to rawhide and seems current rawhide kernel has some issues on RPi 3.

Just quick question: are below issues are already known or should I open ticket(s)?

(ful dmesg in attachment)

[ 95.367454] Hardware name: Generic DT based system

[ 95.367810] Workqueue: hci0 hci_cmd_work [bluetooth]

[ 95.367848] [<c03131b4>] (unwind_backtrace) from [<c030d98c>] (show_stack+0x18/0x1c)

[ 95.367868] [<c030d98c>] (show_stack) from [<c0b7e310>] (dump_stack+0xa0/0xd8)

[ 95.367887] [<c0b7e310>] (dump_stack) from [<c03b2dd4>] (register_lock_class+0x298/0x514)

[ 95.367905] [<c03b2dd4>] (register_lock_class) from [<c03b716c>] (__lock_acquire+0xe4/0x11f8)

[ 95.367921] [<c03b716c>] (__lock_acquire) from [<c03b8e4c>] (lock_acquire+0x280/0x2dc)

[ 95.367940] [<c03b8e4c>] (lock_acquire) from [<c0b99634>] (_raw_read_lock+0x4c/0x5c)

[ 95.368057] [<c0b99634>] (_raw_read_lock) from [<bf58603c>] (hci_uart_tx_wakeup+0x1c/0x98 [hci_uart])

[ 95.368243] [<bf58603c>] (hci_uart_tx_wakeup [hci_uart]) from [<bf5870f0>] (hci_uart_send_frame+0x54/0x6c [hci_uart])

[ 95.368669] [<bf5870f0>] (hci_uart_send_frame [hci_uart]) from [<bf2ff26c>] (hci_send_frame+0xcc/0xf8 [bluetooth])

[ 95.369271] [<bf2ff26c>] (hci_send_frame [bluetooth]) from [<bf2ff340>] (hci_cmd_work+0xa8/0x124 [bluetooth])

[ 95.369581] [<bf2ff340>] (hci_cmd_work [bluetooth]) from [<c03735a4>] (process_one_work+0x444/0x840)

[ 95.369598] [<c03735a4>] (process_one_work) from [<c0374d80>] (worker_thread+0x290/0x40c)

[ 95.369615] [<c0374d80>] (worker_thread) from [<c037aac0>] (kthread+0x174/0x1a0)

[ 95.369633] [<c037aac0>] (kthread) from [<c03087c8>] (ret_from_fork+0x14/0x2c)

[ 95.507788] Bluetooth: hci0: BCM: chip id 94

[ 107.079610] ------------[ cut here ]------------

[ 107.079645] WARNING: CPU: 1 PID: 1 at lib/dma-debug.c:614 debug_dma_assert_idle+0x148/0x1e0

[ 107.079655] vc4-drm soc:gpu: DMA-API: cpu touching an active dma mapped cacheline [cln=0x00c8acc0]

[ 107.079659] Modules linked in: ebtable_filter ebtables ip6table_filter ip6_tables rc_cec vc4 snd_soc_core ac97_bus snd_pcm_dmaengine cec rc_core snd_pcm snd_timer snd soundcore brcmfmac drm_kms_helper brcmutil drm fb_sys_fops hci_uart cfg80211 syscopyarea sysfillrect btbcm sysimgblt btqca btintel bluetooth bcm2835_wdt ecdh_generic rfkill bcm2835_thermal bcm2835_rng leds_gpio xfs libcrc32c smsc95xx usbnet mii mmc_block sdhci_iproc dwc2 sdhci_pltfm crc32_arm_ce udc_core sdhci pwm_bcm2835 i2c_bcm2835 bcm2835 bcm2835_dma phy_generic

[ 107.079932] CPU: 1 PID: 1 Comm: systemd Not tainted 4.14.0-0.rc3.git3.1.fc28.armv7hl #1

[ 107.079937] Hardware name: Generic DT based system

[ 107.079973] [<c03131b4>] (unwind_backtrace) from [<c030d98c>] (show_stack+0x18/0x1c)

[ 107.079995] [<c030d98c>] (show_stack) from [<c0b7e310>] (dump_stack+0xa0/0xd8)

[ 107.080012] [<c0b7e310>] (dump_stack) from [<c0354024>] (__warn+0xe4/0x104)

[ 107.080028] [<c0354024>] (__warn) from [<c0354080>] (warn_slowpath_fmt+0x3c/0x4c)

[ 107.080045] [<c0354080>] (warn_slowpath_fmt) from [<c0711634>] (debug_dma_assert_idle+0x148/0x1e0)

[ 107.080069] [<c0711634>] (debug_dma_assert_idle) from [<c04e59e8>] (wp_page_copy+0xfc/0x640)

[ 107.080087] [<c04e59e8>] (wp_page_copy) from [<c04e74b8>] (do_wp_page+0x3a4/0x5ac)

[ 107.080101] [<c04e74b8>] (do_wp_page) from [<c04ea810>] (handle_mm_fault+0xd28/0xde0)

[ 107.080118] [<c04ea810>] (handle_mm_fault) from [<c0b9a980>] (do_page_fault+0x244/0x3b8)

[ 107.080136] [<c0b9a980>] (do_page_fault) from [<c0301360>] (do_DataAbort+0x40/0xc0)

[ 107.080151] [<c0301360>] (do_DataAbort) from [<c0b9a260>] (__dabt_usr+0x40/0x60)

[ 107.080159] Exception stack(0xef113fb0 to 0xef113ff8)

[ 107.080170] 3fa0: 02565dd0 02601bb8 02565df0 00000002

[ 107.080184] 3fc0: 02565df0 0260c920 02601bb8 befdd848 befdd850 b6f7aa48 02565dd0 02559508

[ 107.080196] 3fe0: b6dd38f4 befdd7c8 b6cd1e38 b6cc8f3c 20060010 ffffffff

[ 107.080249] ---[ end trace 66ededa5d1568f0b ]---

[ 107.080253] Mapped at:

[ 107.080345] vc4_bo_create+0xe4/0x198 [vc4]

[ 107.080420] vc4_allocate_bin_bo+0x38/0x150 [vc4]

[ 107.080494] vc4_v3d_bind+0x12c/0x20c [vc4]

[ 107.080507] component_bind_all+0x138/0x220

[ 107.080581] vc4_drm_bind+0x88/0x130 [vc4]

[ 108.193398] nf_conntrack version 0.5.0 (16384 buckets, 65536 max)

3) some issue with missing symbol due systemd run

[ 57.304786] systemd-journald[193]: Received SIGTERM from PID 1 (systemd).

[ 59.997395] systemd: 15 output lines suppressed due to ratelimiting

[ 61.986368] systemd[1]: RTC configured in localtime, applying delta of -240 minutes to system time.

[ 75.141028] unwind: Unknown symbol address bf067284

[ 75.141036] unwind: Index not found bf067284

[ 78.120054] systemd-journald[457]: Received request to flush runtime journal from PID 1

[ 78.255026] unwind: Unknown symbol address bf067284

[ 78.269971] unwind: Index not found bf067284

[ 78.284717] unwind: Unknown symbol address bf067284

[ 78.299588] unwind: Index not found bf067284

[ 78.314816] unwind: Unknown symbol address bf067284

These messages about "Unknown symbol address bf067284" are repeated after this several times.