On Thu, 26 May 2022 17:06:08 +0200 Michael Walle <michael@xxxxxxxx> wrote: > Hi, > > Since the next-20220526 I'm getting the following error during boot: > cma: cma_alloc: reserved: alloc failed, req-size: 128 pages, ret: -16 > > E.g. on the following arm64 board: > https://lavalab.kontron.com/scheduler/job/121315 > > But initially I've noticed it on an arm board, which isn't > in kernelci yet: > https://pastebin.com/raw/JY2nFJjT > (Ignore the subsequent i2c kernel oops, that seems to be > a bug in the xdma driver). > > next-20220524 was still alright (not sure what has happened > to next-20220525): > https://lavalab.kontron.com/scheduler/job/120496 > > Bisect of mm-everything..v5.18-rc4 is currently running but > takes a while. Maybe anyone has an idea what goes wrong here? Please try reverting 88ee134320b8311 ("mm: fix a potential infinite loop in start_isolate_page_range()"). Is a real bummer. That was v11 of the patchset, it was in -next for a month. The day before the merge window opens, bug turns up and it seems that the attempt to fix the bug added a new one. Hopefully Zi Yan will be able to plug this one soon.
