Public bug reported:
I installed Ubuntu server 18.04 on HP Proliant BL460c Gen8 server
blades. I set up DHCP server for PXE boot. It was working, but since
kernel update with version 4.15.0-32, PXE boot no longer works. DHCP
server logs show "5 bad udp checksums in 5 packets" in a row. DHCP
client is also not working on the machine due to similar errors. I
switched back to kernel version 4.15-0-29 and it works again. I suspect
the newer kernel might have introduced a bug about the network adapter
driver. Thanks.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-32-generic 4.15.0-32.35
ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18
Uname: Linux 4.15.0-32-generic x86_64
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Aug 30 08:56 seq
crw-rw---- 1 root audio 116, 33 Aug 30 08:56 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
Date: Thu Aug 30 09:08:11 2018
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
MachineType: HP ProLiant BL460c Gen8
PciMultimedia:
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 mgadrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-32-generic
root=UUID=0a9aa0b0-9a67-11e8-a1dc-fc15b41d0ee0 ro maybe-ubiquity
RelatedPackageVersions:
linux-restricted-modules-4.15.0-32-generic N/A
linux-backports-modules-4.15.0-32-generic N/A
linux-firmware 1.173.1
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/20/2013
dmi.bios.vendor: HP
dmi.bios.version: I31
dmi.chassis.type: 28
dmi.chassis.vendor: HP
dmi.modalias:
dmi:bvnHP:bvrI31:bd12/20/2013:svnHP:pnProLiantBL460cGen8:pvr:cvnHP:ct28:cvr:
dmi.product.family: ProLiant
dmi.product.name: ProLiant BL460c Gen8
dmi.sys.vendor: HP
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic uec-images
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https://bugs.launchpad.net/bugs/1789946
Title:
DHCP server and client not working since kernel 4.15.0-32
Status in linux package in Ubuntu:
New
Bug description:
I installed Ubuntu server 18.04 on HP Proliant BL460c Gen8 server
blades. I set up DHCP server for PXE boot. It was working, but since
kernel update with version 4.15.0-32, PXE boot no longer works. DHCP
server logs show "5 bad udp checksums in 5 packets" in a row. DHCP
client is also not working on the machine due to similar errors. I
switched back to kernel version 4.15-0-29 and it works again. I
suspect the newer kernel might have introduced a bug about the network
adapter driver. Thanks.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-32-generic 4.15.0-32.35
ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18
Uname: Linux 4.15.0-32-generic x86_64
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Aug 30 08:56 seq
crw-rw---- 1 root audio 116, 33 Aug 30 08:56 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord':
'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
Date: Thu Aug 30 09:08:11 2018
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
MachineType: HP ProLiant BL460c Gen8
PciMultimedia:
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 mgadrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-32-generic
root=UUID=0a9aa0b0-9a67-11e8-a1dc-fc15b41d0ee0 ro maybe-ubiquity
RelatedPackageVersions:
linux-restricted-modules-4.15.0-32-generic N/A
linux-backports-modules-4.15.0-32-generic N/A
linux-firmware 1.173.1
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/20/2013
dmi.bios.vendor: HP
dmi.bios.version: I31
dmi.chassis.type: 28
dmi.chassis.vendor: HP
dmi.modalias:
dmi:bvnHP:bvrI31:bd12/20/2013:svnHP:pnProLiantBL460cGen8:pvr:cvnHP:ct28:cvr:
dmi.product.family: ProLiant
dmi.product.name: ProLiant BL460c Gen8
dmi.sys.vendor: HP
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