On 22/05/2025 8:54 am, Roger Pau Monne wrote: > With the current AP bring up code, Xen can get stuck indefinitely if an AP > freezes during boot after the 'callin' step. Introduce a 5s timeout while > waiting for APs to finish startup. > > On failure of an AP to complete startup, send an NMI to trigger the > printing of a stack backtrace on the stuck AP and panic on the BSP. > > This patch was done while investigating the issue caused by Intel erratum > ICX143. It wasn't helpful in that case, but it's still and improvement > when debugging AP bring up related issues. > > Signed-off-by: Roger Pau Monné <roger....@citrix.com>
Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com>
