Hi Andrea,
thanks a lot!
1. In my original patch here:
https://patchwork.ozlabs.org/project/ubuntu-kernel/patch/20210426081121.37363-1-alexan...@mihalicyn.com/
there was no "fput" call inside ovl_vm_prfile_set helper. fput was in
the outer ovl_mmap() function in fs/overlayfs/file.c
You last
Hi Andrea,
Do I understand you correctly, that this patch without AUFS works fine,
but on kernels with AUFS enabled it triggers the issue described above?
Please, feel free to ping me if you need help with reworking that.
Thanks a lot for your attention to this problem!
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We have a minimal reproducer test for this issue prepared by Andrei in the
original commit description
https://patchwork.ozlabs.org/project/ubuntu-kernel/patch/20210426081121.37363-1-alexan...@mihalicyn.com/
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Hello, Andrea!
Thanks a lot for your attention to this problem!
This patch lightly relies on AUFS.
All that we need is
https://github.com/JPyke3/mbp-manjaro-kernel/blob/master/aufs5-mmap.patch
to bring needed helpers. Can we keep these changes in ubuntu sauce after AUFS
will be dropped?
** Summary changed:
- One overlayfs fix has not been backported to the 5.13 bracnh
+ One overlayfs fix has not been backported to the 5.13 branch
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Thanks, Andrew!
That's really strange that this fix wasn't ported.
All needed helpers are present:
https://git.launchpad.net/~canonical-kernel/ubuntu/+source/linux-azure/+git/focal/tree/mm/prfile.c?h=azure-5.13-next
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fine on hirsute with linux-image-5.11.0-18-generic_5.11.0-18.19_amd64
** Tags removed: verification-needed-hirsute
** Tags added: verification-done-hirsute
** Tags removed: verification-needed-eoan
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fine on groovy linux-image-5.8.0-54-generic
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Title:
fine on focal linux-image-5.4.0-74-generic_5.4.0-74.83_amd64
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** Patch added: "ubuntu-focal kernel"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857257/+attachment/5492385/+files/0001-UBUNTU-SAUCE-overlayfs-fix-incorrect-mnt_id-of-files.patch
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The previous fix was reverted due to
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1879690
that's weird and I can't see any logical connection between the previous fix
and problem with docker registry.
We proposed a new fix
https://lists.openvz.org/pipermail/criu/2021-April/045238.html
Quick fix (not sure that it's fully correct)
diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c
index 943733d86da3..fa30b615076e 100644
--- a/fs/overlayfs/file.c
+++ b/fs/overlayfs/file.c
@@ -24,13 +24,16 @@ static char ovl_whatisit(struct inode *inode, struct inode
*realinode)
static
Andrew absolutely right, problem introduced by commit
https://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/bionic/commit/?h=hwe=5613773b6f576de155c39a7b7a04e45f9f6eaf46
I will try to dive into overlayfs internals and find solution.
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*** This bug is a duplicate of bug 1808389 ***
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May be it will be helpful for someone...
echo "options cfg80211 cfg80211_disable_40mhz_24ghz=Y" >
/etc/modprobe.d/cfg80211.conf
worked for me on my ASUS VivoBook Pro N580GD (platform noise issues)
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*** This bug is a duplicate of bug 1808389 ***
https://bugs.launchpad.net/bugs/1808389
https://bugzilla.kernel.org/show_bug.cgi?id=203277#c5
** Bug watch added: Linux Kernel Bug Tracker #203277
https://bugzilla.kernel.org/show_bug.cgi?id=203277
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*** This bug is a duplicate of bug 1808389 ***
https://bugs.launchpad.net/bugs/1808389
@paelzer,
>If anything it might be only (or more likely) showing up when the laptop is
>docked - but I don#t see >how that would happen.
you are completely right!
After you comment I've made detailed
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