4.1.15 BSP register_console issue

[jiujinhong]

Hi,

I have met the same issue with,

https://community.nxp.com/message/903516?commentID=903516#comment-903516

https://community.nxp.com/message/860225)

20180118_11:43:13][    2.834930] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 25, base_baud = 5000000) is a IMX
20180118_11:43:13][    2.835783] 21f0000.serial: ttymxc3 at MMIO 0x21f0000 (irq = 301, base_baud = 5000000) is a IMX
20180118_11:43:13][    2.835843] register_console pre console_unlock >>>>>>>>
20180118_11:43:13][    4.225332] register_console console_unlock() complete >>>>>>>>
20180118_11:43:13][    4.231314] console [ttymxc3] enabled
20180118_11:43:13][    4.235678] 21f4000.serial: ttymxc4 at MMIO 0x21f4000 (irq = 302, base_baud = 5000000) is a IMX
20180118_11:43:13][    4.246606] [drm] Initialized drm 1.1.0 20060810

printk("%s pre console_unlock >>>>>>>>\n", __func__);
console_unlock();
printk("%s console_unlock() complete >>>>>>>>\n", __func__); 

I am sure that this is BSP issue. the solution metioned in Linux Kernel - Deadlock in fb and tty  doesn't make any sense.

[igorpadykov]

Hi jiu

had you tried to reproduce issue on nxp reference boards with demo

images on

https://www.nxp.com/support/developer-resources/run-time-software/i.mx-developer-resources/i.mx-6ser...

Best regards
igor
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[jiujinhong]

several people  met the same issue so that  i think it is a generic issue.

[igorpadykov]

had you tried minimal linux configuration.

[jiujinhong]

yes, no make any sense.  You can test in your sabresd board to see if any issue?

[jiujinhong]

No, I have no reference board.