On Tue 05-04-22 13:36:09, Alexander Sverdlin wrote: > Hello Michal, > > thanks for the quick reply! > > On 05/04/2022 12:43, Michal Hocko wrote: > >> 1. Crash of v5.4.170 on an ARM32 machine: > >> > >> Unable to handle kernel NULL pointer dereference at virtual address 00000104 > >> pgd = e138149d > >> [00000104] *pgd=84d2fd003, *pmd=8ffd6f003 > >> Internal error: Oops: a07 [#1] PREEMPT SMP ARM > >> ... > >> CPU: 1 PID: 6172 Comm: AaSysInfoRColle Tainted: G B O 5.4.170-... #1 > >> Hardware name: Keystone > >> PC is at release_pages+0x194/0x358 > >> LR is at release_pages+0x10c/0x358 > > Which LOC does this correspond to? (faddr2line should give you a nice > > output). > > Sorry, I forgot this info in the initial report: > > this is indeed the del_page_from_lru_list() in this crash. Could you be more specific please? Is the problem in list_del or update_lru_size? -- Michal Hocko SUSE Labs
