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Turris MOX randomly crashes up, when there is connected miniPCIe card MediaTek MT7915 with the following output: [ 71.457007] Internal error: synchronous external abort: 96000210 [#1] SMP [ 71.464021] Modules linked in: xt_connlimit pppoe ppp_async nf_conncount iptable_nat ath9k xt_state xt_nat xt_helper xt_conntrack xt_connmark xt_connbytes xt_REDIREl [ 71.464187] btintel br_netfilter bnep bluetooth ath9k_hw ath10k_pci ath10k_core ath sch_tbf sch_ingress sch_htb sch_hfsc em_u32 cls_u32 cls_tcindex cls_route cls_mg [ 71.629589] CPU: 0 PID: 1298 Comm: kworker/u5:3 Not tainted 5.4.114 #0 [ 71.636319] Hardware name: CZ.NIC Turris Mox Board (DT) [ 71.641725] Workqueue: napi_workq napi_workfn [ 71.646221] pstate: 80400085 (Nzcv daIf +PAN -UAO) [ 71.651169] pc : mt76_set_irq_mask+0x118/0x150 [mt76] [ 71.656385] lr : mt7915_init_debugfs+0x358/0x368 [mt7915e] [ 71.662038] sp : ffffffc010003cd0 [ 71.665451] x29: ffffffc010003cd0 x28: 0000000000000060 [ 71.670929] x27: ffffffc010a56f98 x26: ffffffc010c0fa9a [ 71.676407] x25: ffffffc010ba8788 x24: ffffff803e01fe00 [ 71.681885] x23: 0000000000000030 x22: ffffffc010003dc4 [ 71.687361] x21: 0000000000000000 x20: ffffff803e01fea4 [ 71.692839] x19: ffffff803cb725c0 x18: 000000002d660780 [ 71.698317] x17: 0000000000000000 x16: 0000000000000001 [ 71.703795] x15: 0000000000005ee0 x14: ffffffc010d1d000 [ 71.709272] x13: 0000000000002f70 x12: 0000000000000000 [ 71.714749] x11: 0000000000000000 x10: 0000000000000040 [ 71.720226] x9 : ffffffc010bbe980 x8 : ffffffc010bbe978 [ 71.725704] x7 : ffffff803e4003f0 x6 : 0000000000000000 [ 71.731181] x5 : ffffffc02f240000 x4 : ffffffc010003e00 [ 71.736658] x3 : 0000000000000000 x2 : ffffffc008e3f230 [ 71.742135] x1 : 00000000000d7010 x0 : ffffffc0114d7010 [ 71.747613] Call trace: [ 71.750137] mt76_set_irq_mask+0x118/0x150 [mt76] [ 71.754990] mt7915_dual_hif_set_irq_mask+0x108/0xdc0 [mt7915e] [ 71.761098] __handle_irq_event_percpu+0x6c/0x170 [ 71.765950] handle_irq_event_percpu+0x34/0x88 [ 71.770531] handle_irq_event+0x40/0xb0 [ 71.774486] handle_level_irq+0xe0/0x170 [ 71.778530] generic_handle_irq+0x24/0x38 [ 71.782667] advk_pcie_irq_handler+0x11c/0x238 [ 71.787249] __handle_irq_event_percpu+0x6c/0x170 [ 71.792099] handle_irq_event_percpu+0x34/0x88 [ 71.796680] handle_irq_event+0x40/0xb0 [ 71.800633] handle_fasteoi_irq+0xdc/0x190 [ 71.804855] generic_handle_irq+0x24/0x38 [ 71.808988] __handle_domain_irq+0x60/0xb8 [ 71.813213] gic_handle_irq+0x8c/0x198 [ 71.817077] el1_irq+0xf0/0x1c0 [ 71.820314] el1_da+0xc/0xc0 [ 71.823288] mt76_set_irq_mask+0x118/0x150 [mt76] [ 71.828141] mt7915_mac_tx_free+0x4c4/0x828 [mt7915e] [ 71.833352] mt7915_queue_rx_skb+0x5c/0xa8 [mt7915e] [ 71.838473] mt76_dma_cleanup+0x89c/0x1248 [mt76] [ 71.843329] __napi_poll+0x38/0xf8 [ 71.846835] napi_workfn+0x58/0xb0 [ 71.850342] process_one_work+0x1fc/0x390 [ 71.854475] worker_thread+0x48/0x4d0 [ 71.858252] kthread+0x120/0x128 [ 71.861581] ret_from_fork+0x10/0x1c [ 71.865273] Code: 52800000 d65f03c0 f9562c00 8b214000 (b9400000) [ 71.871560] ---[ end trace 1d4e29987011411b ]--- [ 71.876320] Kernel panic - not syncing: Fatal exception in interrupt [ 71.882875] SMP: stopping secondary CPUs [ 71.886923] Kernel Offset: disabled [ 71.890519] CPU features: 0x0002,00002008 [ 71.894649] Memory Limit: none [ 71.897799] Rebooting in 3 seconds.. Patch is awaiting upstream merge: https://lore.kernel.org/linux-pci/20220802123816.21817-1-pali@kernel.org/T/#u There was also discussion about it in the linux-pci mailing list, where can be found response from Marvell's employee regarding A3720 PCIe erratum 3.12, which seems to provide further details which help this issue: https://lore.kernel.org/linux-pci/BN9PR18MB425154FE5019DCAF2028A1D5DB8D9@BN9PR18MB4251.namprd18.prod.outlook.com/t/#u Reported-by: Ondřej Caletka <ondrej@caletka.cz> [Turris MOX] Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com> Reviewed-by: Robert Marko <robimarko@gmail.com> |
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| .. | ||
| 100-aardvark-workaround-PCIe.patch | ||
| 100-ARM-dts-turris-omnia-configure-LED-0-pin-function-to.patch | ||
| 101-ARM-dts-turris-omnia-enable-LED-controller-node.patch | ||
| 102-leds-turris-omnia-support-HW-controlled-mode-via-pri.patch | ||
| 103-leds-turris-omnia-initialize-multi-intensity-to-full.patch | ||
| 104-leds-turris-omnia-change-max-brightness-from-255-to-.patch | ||
| 300-mvebu-Mangle-bootloader-s-kernel-arguments.patch | ||
| 301-mvebu-armada-38x-enable-libata-leds.patch | ||
| 302-add_powertables.patch | ||
| 304-revert_i2c_delay.patch | ||
| 305-armada-385-rd-mtd-partitions.patch | ||
| 306-ARM-mvebu-385-ap-Add-partitions.patch | ||
| 307-armada-xp-linksys-mamba-broken-idle.patch | ||
| 308-armada-xp-linksys-mamba-wan.patch | ||
| 309-linksys-status-led.patch | ||
| 310-linksys-use-eth0-as-cpu-port.patch | ||
| 311-adjust-compatible-for-linksys.patch | ||
| 312-ARM-dts-armada388-clearfog-emmc-on-clearfog-base.patch | ||
| 313-helios4-dts-status-led-alias.patch | ||
| 315-armada-xp-linksys-mamba-resize-kernel.patch | ||
| 316-armada-370-dts-fix-crypto-engine.patch | ||
| 400-find_active_root.patch | ||
| 700-mvneta-tx-queue-workaround.patch | ||
| 702-net-next-ethernet-marvell-mvnetaMQPrioOffload.patch | ||
| 703-net-next-ethernet-marvell-mvnetaMQPrioFlag.patch | ||
| 704-net-next-ethernet-marvell-mvnetaMQPrioQueue.patch | ||
| 705-net-next-ethernet-marvell-mvnetaMQPrioTCOffload.patch | ||
| 800-cpuidle-mvebu-indicate-failure-to-enter-deeper-sleep.patch | ||
| 801-pci-mvebu-time-out-reset-on-link-up.patch | ||
| 901-dt-bindings-Add-IEI-vendor-prefix-and-IEI-WT61P803-P.patch | ||
| 902-drivers-mfd-Add-a-driver-for-IEI-WT61P803-PUZZLE-MCU.patch | ||
| 903-drivers-hwmon-Add-the-IEI-WT61P803-PUZZLE-HWMON-driv.patch | ||
| 904-drivers-leds-Add-the-IEI-WT61P803-PUZZLE-LED-driver.patch | ||
| 905-Documentation-ABI-Add-iei-wt61p803-puzzle-driver-sys.patch | ||
| 906-Documentation-hwmon-Add-iei-wt61p803-puzzle-hwmon-dr.patch | ||
| 907-MAINTAINERS-Add-an-entry-for-the-IEI-WT61P803-PUZZLE.patch | ||
| 910-drivers-leds-wt61p803-puzzle-improvements.patch | ||