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这是在公司环境生成的kernel log其中最经典的就是下面这个错误,如果不打补丁这个错误一出,除了重启没有任何办法。而且这个错误基本可以100%复现,简单到全速拷贝文件就可以立刻让mtk7620无线挂掉。18.06.0依然没有解决这个问题,但是注意到17.01.5提出了一个patch,这个patch回退到cc15.05.5版本,也不知道是否是这个patch的作用,又或者dts有部分更新似乎通过wifi off;wifi也能解决问题,当然公司里的配置用了virtual**接口可能并不一定是wifi问题导致的。从cc15.05.5到openwrt 18.06.0就一直应用这个999-rt2x00-queue-update.patch,没这个补丁mtk7620随时就挂。
ieee80211 phy0: rt2x00queue_write_tx_frame: Error - Dropping frame due to full tx queue 2
- Firmware Version OpenWrt 18.06.0 r7188-b0b5c64c22 / LuCI openwrt-18.06 branch (git-18.212.17881-e290fe9)
- Uptime 11d 10h 17m 52s
- [11226.849943] mtk_soc_eth 10100000.ethernet eth0: port 0 link up (100Mbps/Full duplex)
- [11762.829925] ieee80211 phy0: rt2800mmio_watchdog_tx_dma: Warning - TX queue 2 DMA timed out, invoke forced reset
- [11762.855167] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [11763.316501] ieee80211 phy0: rt2800mmio_watchdog_tx_dma: Warning - TX queue 2 DMA timed out, invoke forced reset
- [11763.340303] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [11764.145005] ieee80211 phy0: rt2800mmio_watchdog_tx_dma: Warning - TX queue 2 DMA timed out, invoke forced reset
- [11765.811734] ieee80211 phy0: rt2800mmio_watchdog_tx_dma: Warning - TX queue 2 DMA timed out, invoke forced reset
- [11767.060518] ieee80211 phy0: rt2800mmio_watchdog_tx_dma: Warning - TX queue 2 DMA timed out, invoke forced reset
- [11767.893192] ieee80211 phy0: rt2800mmio_watchdog_tx_dma: Warning - TX queue 2 DMA timed out, invoke forced reset
- [79074.285802] mtk_soc_eth 10100000.ethernet eth0: port 0 link up (100Mbps/Full duplex)
- [79597.214388] ieee80211 phy0: rt2800mmio_watchdog_tx_dma: Warning - TX queue 2 DMA timed out, invoke forced reset
- [79597.266159] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [79597.284661] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [79597.303679] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [79601.974448] ieee80211 phy0: rt2800mmio_watchdog_tx_dma: Warning - TX queue 2 DMA timed out, invoke forced reset
- [79604.017642] ieee80211 phy0: rt2800mmio_watchdog_tx_dma: Warning - TX queue 2 DMA timed out, invoke forced reset
- [103522.931191] mtk_soc_eth 10100000.ethernet eth0: port 1 link down
- [103525.846467] mtk_soc_eth 10100000.ethernet eth0: port 1 link up (100Mbps/Full duplex)
- [110018.065089] ieee80211 phy0: rt2x00queue_write_tx_frame: Error - Dropping frame due to full tx queue 2
- [110018.083752] ieee80211 phy0: rt2x00queue_write_tx_frame: Error - Dropping frame due to full tx queue 2
- [110018.102348] ieee80211 phy0: rt2x00queue_write_tx_frame: Error - Dropping frame due to full tx queue 2
- [171145.860433] mtk_soc_eth 10100000.ethernet eth0: port 0 link down
- [171147.022054] mtk_soc_eth 10100000.ethernet eth0: port 0 link up (100Mbps/Full duplex)
- [276692.686736] mtk_soc_eth 10100000.ethernet eth0: port 0 link down
- [276703.839253] mtk_soc_eth 10100000.ethernet eth0: port 0 link up (100Mbps/Full duplex)
- [281289.538876] ieee80211 phy0: rt2800mmio_watchdog_tx_dma: Warning - TX queue 2 DMA timed out, invoke forced reset
- [281291.159015] ieee80211 phy0: rt2800mmio_watchdog_tx_dma: Warning - TX queue 2 DMA timed out, invoke forced reset
- [315278.742668] mtk_soc_eth 10100000.ethernet eth0: port 0 link down
- [315280.552354] mtk_soc_eth 10100000.ethernet eth0: port 0 link up (100Mbps/Full duplex)
- [316235.461007] ieee80211 phy0: rt2800mmio_watchdog_tx_dma: Warning - TX queue 2 DMA timed out, invoke forced reset
- [316235.491370] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316238.674398] ieee80211 phy0: rt2800mmio_watchdog_tx_dma: Warning - TX queue 2 DMA timed out, invoke forced reset
- [316238.706308] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316238.725271] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316238.761792] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316238.781103] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316238.846423] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316238.866683] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316238.896984] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316238.920739] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316238.941621] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316238.962672] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316238.996440] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316239.019502] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316239.041292] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316239.061903] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316239.082552] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316239.102969] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316239.125487] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316239.144410] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316239.167451] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316239.186802] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316239.207060] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316239.248064] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
- [316239.316837] ieee80211 phy0: rt2800mmio_txdone: Warning - Got TX status for an empty queue 2, dropping
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