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FS#1679 - mt7621: kernel panic suspiciously caused by mt76 driver (minstrel_calc_rate_stats+0x9c0/0x2ac4) #6674

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openwrt-bot opened this issue Jul 19, 2018 · 3 comments
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@openwrt-bot
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easyteacher:

Device problem occurs on: Newifi D1, MT7621
Software versions of OpenWrt/LEDE release: Openwrt trunk r7490
Steps to reproduce:
5G Wifi is used as a client. The router restarted during connecting to SSH on my router.

opkg list-installed|grep kmod-mt76

kmod-mt76 - 4.14.54+2018-07-13-67803752-1
kmod-mt76-core - 4.14.54+2018-07-13-67803752-1
kmod-mt7603 - 4.14.54+2018-07-13-67803752-1
kmod-mt76x2 - 4.14.54+2018-07-13-67803752-1

@openwrt-bot
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easyteacher:

Another crashlog when watching Youtube videos.

@openwrt-bot
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easyteacher:

I guess I should not change the interrupt settings. Will revert these settings to see if the system is stable.

echo "1" > /proc/irq/$(cat /proc/interrupts | grep 1e100000.ethernet| head -1 | cut -d ":" -f 1 | sed "s/ //g")/smp_affinity #1e100000.ethernet
echo "2" > /proc/irq/$(cat /proc/interrupts | grep mt76x2e | head -1 | cut -d ":" -f 1 | sed "s/ //g")/smp_affinity #mt76x2e
echo "4" > /proc/irq/$(cat /proc/interrupts | grep mt7603e | head -1 | cut -d ":" -f 1 | sed "s/ //g")/smp_affinity #mt7603e
echo "8" > /proc/irq/$(cat /proc/interrupts | grep 1e130000.sdhci | head -1 | cut -d ":" -f 1 | sed "s/ //g")/smp_affinity #1e130000.sdhci

@openwrt-bot
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easyteacher:

After reverting those interrupt mapping settings, my router stably runs for 8 days without any issue.

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