Messages in this thread | | | From | Fabio Estevam <> | Date | Tue, 27 Nov 2018 23:12:03 -0200 | Subject | Re: [PATCH v2 3/3] PCI: imx6: limit DBI register length |
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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.
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