Please ignore "Repeat to "make -j`nproc` deb-pkg" until you find the
offending commit." it's the other way to build a kernel.
Please install newly build kernel package, reboot and test. Then
continue the process with `git bisect good` or `git bisect bad`.
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You received this bug notification
I tried bisecting the kernel as described in #22. However, I used the
URL git://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/focal instead of
git://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/bionic,
I hope that's correct.
The fakeroot command works and builds the
I also have this problem, which I reported as a new bug 1886775 which is
probably just a duplicate of this bug. Same issue, -40 dies with NFS
with similar stack trace and similar timing, -39 is fine, and multiple
hardware has the identical issues.
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You received this bug notification because
$ sudo apt build-dep linux
$ git clone
git://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/bionic
$ cd linux
$ git bisect start
$ git bisect good Ubuntu-5.4.0-39.43
$ git bisect bad Ubuntu-5.4.0-40.44
$ fakeroot debian/rules do_dkms_nvidia=false do_dkms_vbox=false
Is there a tutorial available on how to bisect the kernel and install
and test the bisected version?
To me it seems the problem only occurs in connection with NFS. I could
not reproduce the problem when NFS is not used. However, after reading
data from NFS mounts the problem reliably occurs
Would it be possible to bisect the kernel?
https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal
Between tag Ubuntu-5.4.0-39.43 and Ubuntu-5.4.0-40.44.
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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You received this bug notification because you are
Log from another machine:
[ 1388.217900] BUG: unable to handle page fault for address: 8cf4f6fc5d86
[ 1388.217907] #PF: supervisor read access in kernel mode
[ 1388.217908] #PF: error_code(0x) - not-present page
[ 1388.217910] PGD 75201067 P4D 75201067 PUD 0
[ 1388.217913] Oops: [#4]
apport information
** Tags added: apport-collected
** Description changed:
On kernel 5.4.0-40-generic in focal I'm getting errors like this on
several machines with different hardware in the first hour after boot:
Jul 04 16:58:32 hostname kernel: BUG: unable to handle page fault for
** Description changed:
- On kernel 5.4.0-40-generic in focal I'm getting errors like this on two
- machines with different hardware in the first hour after boot:
+ On kernel 5.4.0-40-generic in focal I'm getting errors like this on
+ several machines with different hardware in the first hour
