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Booting Realtek switches via TFTP will have a chance of ~5% to fail with the following dump on SMP devices. Sample taken from RTL931x. [ 1.318320] rtl931x_chip_init: init ENCAP done [ 1.323360] rtl931x_chip_init: init MIB done [ 1.328337] rtl931x_chip_init: init ACL done [ 1.333219] rtl931x_chip_init: init ALE done [ 1.344307] CPU 0 Unable to handle kernel paging request at virtual address 00000000, epc == 00000000, ra == 806c5c4c [ 1.356418] Oops[#1]: [ 1.359067] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.40 #0 [ 1.366582] Hardware name: Linksys LGS352C [ 1.371226] $ 0 : 00000000 00000001 00000000 80b6cc44 [ 1.377179] $ 4 : 836b0540 00000000 00000000 83011d38 [ 1.383119] $ 8 : 00000000 ffffefff 00000001 80b08c08 [ 1.389071] $12 : ffffffea 83011d34 00000072 00000558 [ 1.395060] $16 : 836b0540 00000000 00000100 83011ebf [ 1.401003] $20 : 83011ec0 83011ec8 ffff8b3c 80b00000 [ 1.406984] $24 : 00000000 80b08c38 [ 1.412922] $28 : 83038000 83011e70 82fb37a0 806c5c4c [ 1.418888] Hi : 0000014b [ 1.422201] Lo : c74d8000 [ 1.425490] epc : 00000000 0x0 [ 1.429191] ra : 806c5c4c __napi_poll+0x4c/0x208 [ 1.434728] Status: 11000403 KERNEL EXL IE [ 1.439497] Cause : 50800008 (ExcCode 02) [ 1.444040] BadVA : 00000000 [ 1.447330] PrId : 0001a120 (MIPS interAptiv (multi)) [ 1.453157] Modules linked in: [ 1.456641] Process swapper/0 (pid: 1, threadinfo=(ptrval), task=(ptrval), tls=00000000) [ 1.465742] Stack : 82faf248 80a8d558 817ed500 ffff8b3a 836b0540 8066a348 82fb2bc0 836b0540 [ 1.475209] 82fb3600 00000100 0000012c 806c6274 00000000 00000017 00000002 80196134 [ 1.484701] 80b00000 83011ed0 83011eb8 83011e00 83011ec0 83011ec0 83011ec8 83011ec8 [ 1.494233] 00000001 81920000 81920000 80aefe4c 836b0000 00000000 00000000 00000001 [ 1.503686] 00000100 00000000 83011f20 80aefde0 00000000 8019ac14 80b01550 00000000 [ 1.513144] ... [ 1.515957] Call Trace: [ 1.515996] [ 1.520458] [<8066a348>] rtl93xx_net_irq+0x1a4/0x1ac [ 1.526116] [<806c6274>] net_rx_action+0x18c/0x360 [ 1.531576] [<80196134>] __handle_irq_event_percpu+0x58/0x16c [ 1.538111] [<8019ac14>] handle_level_irq+0x1e0/0x1f4 [ 1.543870] [<80133588>] handle_softirqs+0x14c/0x2ec [ 1.549488] [<801339e4>] irq_exit+0x84/0xb4 [ 1.554183] [<805527dc>] plat_irq_dispatch+0x90/0xdc [ 1.559764] [<801019f0>] except_vec_vi_end+0xc4/0xd0 [ 1.565337] A network interrupt may be received before the device is setup properly. In this case NAPI structures are missing and __napi_poll() will find a NULL pointer in n->poll. Avoid this by registering the device after initialization is complete. Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de> Link: https://github.com/openwrt/openwrt/pull/19787 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> |
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| d1 | ||
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| imx | ||
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| kirkwood | ||
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| mediatek | ||
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| mxs | ||
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| omap | ||
| pistachio | ||
| qoriq | ||
| qualcommax | ||
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| ramips | ||
| realtek | ||
| rockchip | ||
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| siflower | ||
| starfive | ||
| stm32 | ||
| sunxi | ||
| tegra | ||
| uml | ||
| x86 | ||
| zynq | ||
| Makefile | ||