lkml.org 
[lkml]   [2018]   [Nov]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v2 3/3] PCI: imx6: limit DBI register length
Hi Andrey,

On Tue, Nov 27, 2018 at 10:57 PM Andrey Smirnov
<andrew.smirnov@gmail.com> wrote:

> Could this be a regression? Prior to 415b6185c541 ("PCI: imx6: Fix
> config read timeout handling") all of the imprecise aborts were caught
> and handled via no-op handler. I did an experiment on i.MX6Q board
> that I have (ZII RDU2) and adding a simple no-op for imprecise aborts
> via
>
> hook_fault_code(16 + 6, imx6q_pcie_no_op_handler, SIGBUS, 0,
> "imprecise external abort");
>
> seems to "resolve" this problem:

Please check https://patchwork.kernel.org/patch/9720313/

This commit fixed a kernel crash on mx6q boards with a PCI switch.

So we can't go back to the simple no-op.

\
 
 \ /
  Last update: 2018-11-28 02:13    [W:0.061 / U:1.360 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site