Regression in next with filesystem context concept

Andreas Kemnade andreas at kemnade.info
Fri Sep 7 10:35:57 PDT 2018


Hi,

On Fri, 7 Sep 2018 09:10:23 -0700
Tony Lindgren <tony at atomide.com> wrote:

> * David Howells <dhowells at redhat.com> [180907 08:51]:
> > Tony Lindgren <tony at atomide.com> wrote:
> >   
> > > Looks like next-20180906 now has a regression where mounting
> > > root won't work with commit fd0002870b45 ("vfs: Implement a
> > > filesystem superblock creation/configuration context").  
> > 
> > Am I right in thinking you're not using any of the LSMs?  
> 
> Assuming LSM as in Documentation/lsm.txt, right not using any.
> 
> BTW, I don't think this issue shows up with ramdisk either,
> so that's probably why for example kernelci.org does not
> show errors.
> 

I have also similar experience with my automated tests (automated
alarming does not work yet ;-)), I am still in the beginning.
I do there a ramdisk boot to create an overlay mount with the fresh
modules on top of an ordinary rootfs. initramfs mount is
ok, but the microsd card fails.

Testing from a ramdisk I get:
/ # ls -l /dev/mmcblk0p2 
brw-------    1 0        0         179,   2 Jan  1  1970 /dev/mmcblk0p2
/ # mount /dev/mmcblk0p2 /mnt/
[  682.819061] Filesystem requires source device
[  682.825103] Filesystem requires source device
[  682.830810] Filesystem requires source device
[  682.836303] Filesystem requires source device
[  682.843078] Filesystem requires source device
[  682.847991] Filesystem requires source device
[  682.853149] Filesystem requires source device
mount: mounting /dev/mmcblk0p2 on /mnt/ failed: No such file or directory

64GB microsd at omap_hsmmc correcly recognized. 
Last known successful boot: next-20180830

so you are not alone with such problems.
will investigate further

Regards,
Andreas
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