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 nsnktvXy 3ndPmQz8Y+nU9j18Rg8T9hR48GsTS5bhlPF5XHKGd4SvBBmYVfkmZPxpugeCLRI61MWJn9nT06npk+QhHreoc/1Unv0vxQ1KdOgin7mZr5sXy4bmnfNX/DSUMfb7WuGUjrt1KZXRUwu53dEtlmNO4DJ2eC6KCBR0e4QqEKvkNFQ3xWcW22we47fgIbLkmN1S0pbtyrntWAwJUu+pRVyQXThZTAU+lNtBW4O1v9cpDaKjcf8aL33KF8tPgwwJ4Kp5nvql8leri0JQDFbI6U8YpcrNgNeQRFYwqG9+IkGghG0DKllcrEV9QEOnYXndmGYp21urucgZzW4UntSBXcMoQbmh+3PgZLiNrLq/OdwFcztqZ+hheNc2vVosw10nbmECe/7x3 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: List-Subscribe: List-Unsubscribe: On Wed, 2025-11-05 at 14:16 +0100, Christian Brauner wrote: > On Wed, Nov 05, 2025 at 08:09:03AM -0500, James Bottomley wrote: > > On Wed, 2025-11-05 at 12:47 +0100, Christian Brauner wrote: [...] > > > And suspend/resume works just fine with freeze/thaw. See commit > > > eacfbf74196f ("power: freeze filesystems during suspend/resume") > > > which implements exactly that. > > >=20 > > > The reason this didn't work for you is very likely: > > >=20 > > > cat /sys/power/freeze_filesystems > > > 0 > > >=20 > > > which you must set to 1. > >=20 > > Actually, no, that's not correct.=C2=A0 The efivarfs freeze/thaw logic > > must run unconditionally regardless of this setting to fix the > > systemd bug, so all the variable resyncing is done in the thaw > > call, which isn't conditioned on the above (or at least it > > shouldn't be). >=20 > It is conditioned on the above currently but we can certainly fix it > easily to not be. It still seems to be unconditional in upstream 6.18-rc4 kernel/power/hibernate.c with only freeze being conditioned on the setting of the filesystem_freeze variable but I haven't checked -next. However, if there's anything in the works to change that we would need an exception for efivarfs, please ... we can't have a bug fix conditioned on a user setting. Regards, James