On Thu, Aug 13, 2020 at 12:04:55PM +0200, Mian Yousaf Kaukab wrote:
> Since port-numbers start from 0, add 1 to port-number to get the port
> count.
>
> Fix following crash when Coresight is enabled on ACPI based systems:
>
> [ 61.061736] Unable to handle kernel NULL pointer dereference at virt
Hi,
As Suzuki mentioned, I hit this on the N1SDP, and as of yesterday
afternoon was running a patch that is identical to what you posted here.
This fixes the boot failure and WARN_ON's I was seeing, and appears to
return the N1SDP to basic functionality. I think there is at least one
further
On 08/13/2020 11:04 AM, Mian Yousaf Kaukab wrote:
Since port-numbers start from 0, add 1 to port-number to get the port
count.
Fix following crash when Coresight is enabled on ACPI based systems:
[ 61.061736] Unable to handle kernel NULL pointer dereference at virtual
address 000
Since port-numbers start from 0, add 1 to port-number to get the port
count.
Fix following crash when Coresight is enabled on ACPI based systems:
[ 61.061736] Unable to handle kernel NULL pointer dereference at virtual
address 0008
...
[ 61.135494] pc : acpi_coresight_parse_graph
Since port-numbers start from 0, add 1 to port-number to get the port
count.
Fix following crash when Coresight is enabled on ACPI based systems:
[ 61.061736] Unable to handle kernel NULL pointer dereference at virtual
address 0008
...
[ 61.135494] pc : acpi_coresight_parse_graph
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