Public bug reported:
SRU Justification
[Impact]
* Kernel error about sda found when booting into system (KD240 and KR260).
[ 8.743969] sd 0:0:0:0: [sda] No Caching mode page found
[ 8.749288] sd 0:0:0:0: [sda] Assuming drive cache: write through
ubuntu@kria:~$ sudo dmesg --level err
[ 2.102157] mtdoops: mtd device (mtddev=name/number) must be supplied
[ 2.155641] ams ffa50000.ams: invalid resource
[ 6.416868] zynqmp-display fd4a0000.display: no PHY found
[ 7.357202] da9121 1-0032: Cannot read device ID: -6
[ 8.743969] sd 0:0:0:0: [sda] No Caching mode page found <------------ These
two lines
[ 8.749288] sd 0:0:0:0: [sda] Assuming drive cache: write through <--- These
two lines
[ 15.788622] systemd[1]: systemd-networkd.socket: Socket service
systemd-networkd.service not loaded, refusing.
[ 15.798672] systemd[1]: Failed to listen on Network Service Netlink Socket.
[ 38.906044] OF: overlay: WARNING: memory leak will occur if overlay removed,
property: /fpga-full/firmware-name
[ 38.916341] OF: overlay: WARNING: memory leak will occur if overlay removed,
property: /fpga-full/resets
[Fix]
* Cherry-pick c4da1205752d from upstream.
For SD cardreaders it is extremely common not to have a cache.
Consequently, these error messages do not point to a real error.
Change KERN_ERR to KERN_WARNING.
[Test Plan]
* Checked error message is gone after applying the patch.
[Where problems could occur]
* Low potential for regression.
** Affects: linux-xilinx-zynqmp (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
SRU Justification
[Impact]
* Kernel error about sda found when booting into system (KD240 and KR260).
[ 8.743969] sd 0:0:0:0: [sda] No Caching mode page found
[ 8.749288] sd 0:0:0:0: [sda] Assuming drive cache: write through
ubuntu@kria:~$ sudo dmesg --level err
[ 2.102157] mtdoops: mtd device (mtddev=name/number) must be supplied
[ 2.155641] ams ffa50000.ams: invalid resource
[ 6.416868] zynqmp-display fd4a0000.display: no PHY found
[ 7.357202] da9121 1-0032: Cannot read device ID: -6
[ 8.743969] sd 0:0:0:0: [sda] No Caching mode page found <------------ These
two lines
[ 8.749288] sd 0:0:0:0: [sda] Assuming drive cache: write through <--- These
two lines
[ 15.788622] systemd[1]: systemd-networkd.socket: Socket service
systemd-networkd.service not loaded, refusing.
[ 15.798672] systemd[1]: Failed to listen on Network Service Netlink Socket.
[ 38.906044] OF: overlay: WARNING: memory leak will occur if overlay removed,
property: /fpga-full/firmware-name
[ 38.916341] OF: overlay: WARNING: memory leak will occur if overlay removed,
property: /fpga-full/resets
[Fix]
* Cherry-pick c4da1205752d from upstream.
For SD cardreaders it is extremely common not to have a cache.
Consequently, these error messages do not point to a real error.
+ Change KERN_ERR to KERN_WARNING.
[Test Plan]
* Checked error message is gone after applying the patch.
[Where problems could occur]
* Low potential for regression.
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https://bugs.launchpad.net/bugs/2115853
Title:
Fix kernel error logs on sda
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