apport information
** Tags added: apport-collected staging
** Description changed:
Device: Raspberry Pi 5 Model B Rev 1.1 (16 GB)
System: Ubuntu 25.05 plucky
Kernel: 6.14.0-1005-raspi #5-Ubuntu
After upgrading from Ubuntu 24.10 oracular to Ubuntu 25.05 plucky I'm
getting thousands of RX errors caused by overruns in the eth0 network
device. These error are silent (no journal related entries detected) but
can be seen using ifconfig or ethtool commands.
I've tested a fresh install with updated packages of both Ubuntu
versions involved (oracular & plucky) to make sure that this isn't a HW
problem.
An example:
Using Ubuntu 24.10 oracular I don't get any RX error caused by overruns
in the longrun:
# uname -a
Linux fpgrpi 6.11.0-1012-raspi #12-Ubuntu SMP PREEMPT_DYNAMIC Thu Apr 17
03:03:47 UTC 2025 aarch64 aarch64 aarch64 GNU/Linux
# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
...
RX packets 56634495 bytes 83340934416 (83.3 GB)
RX errors 0 dropped 0 overruns 0 frame 0
...
Using Ubuntu 25.05 plucky I get lots of RX errors caused by overruns:
# uname -a
Linux fpgrpi 6.14.0-1005-raspi #5-Ubuntu SMP PREEMPT_DYNAMIC Sat Apr 5
14:33:30 UTC 2025 aarch64 aarch64 aarch64 GNU/Linux
# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
...
RX packets 20545305 bytes 29656990611 (29.6 GB)
RX errors 3733 dropped 0 overruns 3733 frame 0
...
At this point I think that something has changed at kernel level from 6.11 to
6.14 that is causing these errors.
Thanks and best regards.
+ ---
+ ProblemType: Bug
+ ApportVersion: 2.32.0-0ubuntu5
+ Architecture: arm64
+ AudioDevicesInUse:
+ USER PID ACCESS COMMAND
+ /dev/snd/controlC0: fprietog 2289 F.... wireplumber
+ /dev/snd/seq: fprietog 2284 F.... pipewire
+ CasperMD5CheckResult: unknown
+ CloudArchitecture: aarch64
+ CloudID: none
+ CloudName: none
+ CloudPlatform: none
+ CloudSubPlatform: config
+ CurrentDesktop: ubuntu:GNOME
+ DistroRelease: Ubuntu 25.04
+ IwDevWlan0Link: Not connected.
+ Lspci-vt: -[0002:00]---00.0-[01]----00.0 Raspberry Pi Ltd RP1 PCIe 2.0 South
Bridge
+ Package: linux-raspi (not installed)
+ ProcFB: 0 vc4drmfb
+ ProcKernelCmdLine: reboot=w coherent_pool=1M 8250.nr_uarts=1
pci=pcie_bus_safe cgroup_disable=memory numa_policy=interleave numa=fake=8
system_heap.max_order=0 smsc95xx.macaddr=2C:CF:67:C6:EA:83
vc_mem.mem_base=0x3fc00000 vc_mem.mem_size=0x40000000 zswap.enabled=1
zswap.zpool=z3fold zswap.compressor=zstd multipath=off dwc_otg.lpm_enable=0
console=tty1 root=PARTUUID=29cbc784-0b rootfstype=ext4 rootwait fixrtc
rootdelay=5
+ ProcVersionSignature: Ubuntu 6.14.0-1005.5-raspi 6.14.0
+ RelatedPackageVersions:
+ linux-restricted-modules-6.14.0-1005-raspi N/A
+ linux-backports-modules-6.14.0-1005-raspi N/A
+ linux-firmware 20250317.git1d4c88ee-0ubuntu1
+ StagingDrivers: rpivid_hevc
+ Tags: plucky staging
+ Uname: Linux 6.14.0-1005-raspi aarch64
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups: N/A
+ _MarkForUpload: True
+ acpidump:
** Attachment added: "AlsaInfo.txt"
https://bugs.launchpad.net/bugs/2109967/+attachment/5876321/+files/AlsaInfo.txt
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https://bugs.launchpad.net/bugs/2109967
Title:
Thousands of RX errors caused by overruns in eth0 after upgrading from
Ubuntu 24.10 oracular to Ubuntu 25.05 plucky
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