On 24/10/08 11:17AM, Vlastimil Babka wrote: > On 10/7/24 18:40, Christoph Lameter (Ampere) wrote: > > > > list_del() in remove_partial() sets poison values for next/prev so there > > should no list > > corruption but a failure showing the poison values. > > Yeah that's what is reported, but there's still a mention of list corruption: > > [ 4277.385669] list_del corruption, ffffea00044b3e50->next is LIST_POISON1 (dead000000000100) > > > static inline void list_del(struct list_head *entry) > > { > > __list_del_entry(entry); > > entry->next = LIST_POISON1; > > entry->prev = LIST_POISON2; > > } > > > Actually, if panic_on_oops=0, kernel will hang on my x86 system. The task(kworker here) that triggers the bug dies in the #ud trap handler. Thanks