On 5/20/25 12:48 PM, Bjorn Helgaas wrote:
On Mon, May 19, 2025 at 10:01:09PM -0700, Sathyanarayanan Kuppuswamy wrote:
On 5/19/25 2:35 PM, Bjorn Helgaas wrote:
From: Jon Pan-Doh <pandoh@xxxxxxxxxx>
Add ratelimits section for rationale and defaults.
+AER Ratelimits
+--------------
+
+Since error messages can be generated for each transaction, we may see
+large volumes of errors reported. To prevent spammy devices from flooding
+the console/stalling execution, messages are throttled by device and error
+type (correctable vs. uncorrectable).
Can we list exceptions like DPC and FATAL errors (if added) ?
Like this?
+... messages are throttled by device and error
+type (correctable vs. non-fatal uncorrectable). Fatal errors, including
+DPC errors, are not ratelimited.
DPC is currently only triggered for fatal errors.
Yes. I think it is good enough.
--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer
