This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1912316
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Changed in: linux (Ubuntu Xenial)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1912316
Title:
log_check / kernel_tainted test from ubuntu_boot failed on Intel Cloud
node grumman
Status in ubuntu-kernel-tests:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Xenial:
Incomplete
Bug description:
Issue found on node grumman, this is not a regression.
The kernel_tainted check reports a non-zero flag 2048, this means
"workaround for bug in platform firmware applied"
log_check reports WARNINGs found in the dmesg:
10. 01/06 09:46:51 INFO |ubuntu_boo:0030| kernel: [ 7.852005] WARNING: CPU:
0 PID: 179 at /build/linux-0dlxvs/linux-4.4.0/drivers/dma/ioat/dca.c:342
ioat_dca_init+0x17c/0x1a0 [ioatdma]()
11. 01/06 09:46:51 INFO |ubuntu_boo:0030| kernel: [ 5.387292] WARNING: CPU:
0 PID: 181 at /build/linux-7Nk88i/linux-4.4.0/drivers/dma/ioat/dca.c:342
ioat_dca_init+0x17c/0x1a0 [ioatdma]()
12. 01/06 09:46:51 INFO |ubuntu_boo:0030| kernel: [ 6.039705] WARNING: CPU:
0 PID: 4 at /build/linux-7Nk88i/linux-4.4.0/drivers/dma/ioat/dca.c:342
ioat_dca_init+0x17c/0x1a0 [ioatdma]()
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