Messages in this thread | | | From | David Laight <> | Subject | RE: Oops (probably) unmounting /oldroot/firmware/efi/efivars. | Date | Tue, 24 Nov 2020 14:42:58 +0000 |
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From: Ard Biesheuvel > Sent: 24 November 2020 14:24 > > On Tue, 24 Nov 2020 at 15:22, David Laight <David.Laight@aculab.com> wrote: > > > > I've just updated to the head of Linus's tree (5.10-rc5) and got the following > > 'splat' during shutdown. > > > > Userspace is Ubuntu 20.04.
Anyone from ubuntu know how to get the kernel stack traceback without setting up a serial console? It seems to be completely broken by running the graphical login on tty0.
> > > > rc4 rebooted fine. > > > > I'll try to bisect - but it isn't quick. > > > > Surely caused by > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/efivarfs?id=fe5186cf12e30 > facfe261e9be6c7904a170bd822
Yes, I'm building with that commented out.
But the system has decided to do a full build.
I suspect it might need inode->i_private = NULL; But that might lead to a NULL pointer deref elsewhere.
David
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