i.MX ProcessorsのトピックRe: imx6q fec BUG NAPI

imx6q fec BUG NAPI

linw — Fri, 06 Nov 2015 02:53:19 GMT

1：power on boot will not cause this issue

2: type reboot in uart console will not cause this issue

3: adb shell reboot,or adb shell# reboot will cause the issue, the log is below

there is no bug on my imx6dl board by the way!!

this this bug about the NAPI feature???

kernel BUG at include/linux/netdevice.h:520!

Unable to handle kernel NULL pointer dereference at virtual address 00000000

pgd = d0614000

[00000000] *pgd=00000000

Internal error: Oops: 805 [#1] PREEMPT SMP

Modules linked in:

CPU: 1 Tainted: G B W (3.0.35 #10)

PC is at __bug+0x1c/0x28

LR is at __bug+0x18/0x28

pc : [<c004efec>] lr : [<c004efe8>] psr: 600b0013

sp : d04f1df8 ip : 00000000 fp : 00000001

r10: d04f0000 r9 : d418d380 r8 : 00000000

r7 : d46f4044 r6 : 00000000 r5 : c06a0a8c r4 : d46f4000

r3 : 00000000 r2 : c0909ebc r1 : 600b0093 r0 : 00000033

Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user

Control: 10c53c7d Table: 2061404a DAC: 00000015

PC: 0xc004ef6c:

ef6c e1a04000 e24dd010 e590003c eb01ca10 e3500000 0594003c 0a00000d e2841034

ef8c e594002c e891000e e88d000f ea000003 e59d000c eb01ca06 e3500000 0a000006

U-Boot 2009.08-dirty (Oct 10 2015 - 13:55:35)

igorpadykov — Tue, 10 Nov 2015 01:38:26 GMT

Hi lin

seems reboot can not be performed with adb, suggest also

to post it on

since there may be restrictions from adb

Best regards

igor

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linw — Tue, 10 Nov 2015 03:15:41 GMT

yep, It did seems reboot in adb shell is different from reboot in console shell.

so I just unconfig the NAPI feature to avoid that issue. any good idears?