[crac] RFR: 8372933: [CRaC] Restore failed due to incompatible or missing CPU features, try using -XX:CPUFeatures=0xfoo, 0xbar on checkpoint [v6]

[Radim Vansa]

On Tue, 3 Feb 2026 09:57:42 GMT, Jan Kratochvil <jkratochvil at openjdk.org> wrote:

>> I see, so you just assume that the user will guess the right size, or get an error. I am not saying that you should print a partial bitmap; I think that
>> 
>> if (api->get_failed_bitmap(..., sizeof(image_features)) != sizeof(image_features)) {
>>   // error
>> }
>> 
>> would be an OK implementation. Just worried about cementing a limitation into the API.
>
> IIUC you want to extend the API despite it will have no result on the current JDK functionality. OK, going to implement that.

Thank you :)

-------------

PR Review Comment: https://git.openjdk.org/crac/pull/278#discussion_r2759386055