AER, advanced error reporting[1], is generated by hardware and corrected AERs usually doesn't mean any harm because they're just notifications to upper OS that some minor errors like CRC has been corrected automatically by hardware. There is little you can do but to turn off such reporting by append kernel boot parameter "noaer".
[1]: https://www.kernel.org/doc/html/latest/PCI/pcieaer-howto.html ** Changed in: linux (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1859429 Title: Boot took much longer with repeated error message PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Transmitter ID) Status in linux package in Ubuntu: Invalid Bug description: Hi, I saw this message in several other bugs but I am using the newest kernel. Right after upgrade the kernel the boot took several minutes and a message was being repeated several times in screen: [ 340.489762] pcieport 0000:00:1c.5: AER: Corrected error received: 0000:00:1c.5 [ 340.489775] pcieport 0000:00:1c.5: AER: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Transmitter ID) [ 340.489780] pcieport 0000:00:1c.5: AER: device [8086:9d15] error status/mask=00001000/00002000 [ 340.489784] pcieport 0000:00:1c.5: AER: [12] Timeout The notebook didn't had an issue so far and uptime is 35 minutes. I don't see any issue on performance as of now. All partitions are present. Before this event of slow down in boot (and notebook frozen for a few seconds duing boot) I was having this same message once or twice and then it was normal boot. root@dell-ubuntu:~# cat /proc/version Linux version 5.3.0-26-generic (buildd@lgw01-amd64-013) (gcc version 9.2.1 20191008 (Ubuntu 9.2.1-9ubuntu2)) #28-Ubuntu SMP Wed Dec 18 05:37:46 UTC 2019 root@dell-ubuntu:~# cat /proc/version_signature Ubuntu 5.3.0-26.28-generic 5.3.13 root@dell-ubuntu:/home/billmask/bug_report/PCIe# lsb_release -rd Description: Ubuntu 19.10 Release: 19.10 ProblemType: Bug DistroRelease: Ubuntu 19.10 Package: linux-image-5.3.0-26-generic 5.3.0-26.28 ProcVersionSignature: Ubuntu 5.3.0-26.28-generic 5.3.13 Uname: Linux 5.3.0-26-generic x86_64 ApportVersion: 2.20.11-0ubuntu8.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: gdm 3886 F.... pulseaudio billmask 4450 F.... pulseaudio Date: Mon Jan 13 08:00:06 2020 InstallationDate: Installed on 2019-07-28 (169 days ago) InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416) MachineType: Dell Inc. Inspiron 7572 ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.3.0-26-generic root=/dev/mapper/vg_root-lv_root ro quiet splash vt.handoff=7 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-5.3.0-26-generic N/A linux-backports-modules-5.3.0-26-generic N/A linux-firmware 1.183.3 SourcePackage: linux UpgradeStatus: Upgraded to eoan on 2019-10-25 (80 days ago) dmi.bios.date: 05/31/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.2.1 dmi.board.name: 082HPJ dmi.board.vendor: Dell Inc. dmi.board.version: A03 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.2.1:bd05/31/2019:svnDellInc.:pnInspiron7572:pvr:rvnDellInc.:rn082HPJ:rvrA03:cvnDellInc.:ct10:cvr: dmi.product.family: Inspiron dmi.product.name: Inspiron 7572 dmi.product.sku: 0829 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859429/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp

