On Tue, Dec 19, 2017 at 11:28:49AM +, Bharat Kumar Gogada wrote:
> In our case the peripheral returns SLVERR first time and we see the following
> print but kernel do not hang.
> [ 231.484186] Unhandled fault: synchronous external abort
> (0x92000210) at 0x007f9241f880 Bus error
>
> And
On Tue, Dec 19, 2017 at 11:28:49AM +, Bharat Kumar Gogada wrote:
> In our case the peripheral returns SLVERR first time and we see the following
> print but kernel do not hang.
> [ 231.484186] Unhandled fault: synchronous external abort (0x92000210) at
> 0x007f9241f880
> Bus error
>
> A
Hi,
> When Linux is booted on ARM64 platform and an access to peripheral
> returns DECERR or SLVERR on AXI.
>
> In the above error cases how would Linux kernel handle these faults ?
> Will it hang/recover ?
I believe that on contemporary CPUs these will result in an SError. As SErrors
are asy
On Tue, Dec 19, 2017 at 10:23:25AM +, Bharat Kumar Gogada wrote:
> Hi All,
Hi,
> When Linux is booted on ARM64 platform and an access to peripheral returns
> DECERR or SLVERR on AXI.
>
> In the above error cases how would Linux kernel handle these faults ? Will it
> hang/recover ?
I believe
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