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dkim=pass header.d=Nvidia.com header.s=selector2 header.b=CM7oBQrc; dmarc=pass (policy=reject) header.from=nvidia.com; spf=none (imf26.hostedemail.com: domain of ziy@nvidia.com has no SPF policy when checking 40.107.92.68) smtp.mailfrom=ziy@nvidia.com X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 499CF14002F X-HE-Tag: 1653596149-900710 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: --=_MailMate_402FA43C-675C-4157-8502-BA256719FFA6_= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On 26 May 2022, at 13:15, Andrew Morton wrote: > On Thu, 26 May 2022 17:06:08 +0200 Michael Walle wro= te: > >> 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 Ya= n > will be able to plug this one soon. Hi Michael, The patch from this link should fix it: https://lore.kernel.org/linux-mm/= 8C74B0BA-3C69-46EE-8C14-0CE6787D0B65@nvidia.com/. Please give it a try. Hi Andrew, I will send a formal patchset soon. -- Best Regards, Yan, Zi --=_MailMate_402FA43C-675C-4157-8502-BA256719FFA6_= Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQJDBAEBCgAtFiEE6rR4j8RuQ2XmaZol4n+egRQHKFQFAmKP3/QPHHppeUBudmlk aWEuY29tAAoJEOJ/noEUByhUu6UP/2xHe/XADh5lfMvPsyv6trq6/KnkLN0pB54t flhyupDEqO7LAcgfCRwZgxD0Oub7Ca82/oqYeYphzK/8EgCCS4o1D1bz1Pq+6Hk7 lwb9KHaq0j84N4gIOuVPyIV5FzpAar5o/6hlfQYdh8rOL/zXx6mp4oXN5PGWqC9S tIu5MTLRTsJTf+PauR8PznzvJbDnEVKIxcgDHm0AFtMDeNG81GnysKCWbNu7GLAG 2nXnbf6OPBbB1d27uOOE3bk6e3hgI1nTk9eNrQ2913z8+8JdgvL01d+cFru1h3u9 0eoohSlpwlRB8tGtO8QRSsjHzcs2IB1dMJYSxwSMsi5wb/OJ6CnOI/cd5TWIvDdV nWWEu7FrId07sSDYzasbRazTBzCQTFpatwSZXE6yvgjBOg18ps12zgDV0hwhItkp IVJBmkojb4X5u9ySw3o0MKuzSOKxwyedKQ4UD5iLVa4hipo18SUJBwV1HFzvhBh6 AzoFloSzRg+/fha0txE4f+iR0qdE6TAzpv7MhkOuEPmc15kos7ppsEy2YepKxLhW zDn0M5LNfOgC524J/5F4GAupWvCp5iRCQyu9PtzlKN6XMFHIrPKa3l0JoGym4seQ I00K9Ndfjygs0umNYfdvWQX1vTBFiM0Qw96//y8AOZr3LPpu0kHnD+Bij8JA+KIW 4/1iLC7Q =reeE -----END PGP SIGNATURE----- --=_MailMate_402FA43C-675C-4157-8502-BA256719FFA6_=--