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Fixed

OVP8-505 : Unable to handle kernel paging request at virtual address

Created: Feb 28, 2020    Updated: May 26, 2020
Resolved Date: Apr 20, 2020
Found In Version: 8.0.0.30
Fix Version: 8.0.0.33
Severity: Standard
Applicable for: Wind River Linux 8
Component/s: Kernel

Description

*This defect is the same one reported in LIN8-12180 but for OVP kernel*

When a driver access ioremap area, it met Unable to handle kernel paging request at virtual address.

The attached "teraterm.log" did not include it, but they checked:
 ESR 0x96000007
 DESC=b111 ==> it is "Translation fault, level 3".

They tried to changing to ioremap "size" arg to split 4Kbyte, it works good.

File list(20200120.tar.bz2):
 1) d.c User land debug command
 2) kernel_char_driver.c Custom driver for debug command
 3) teraterm.log console log

 
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