Public bug reported:
The psock_tpacket in the net test from ubuntu_kernel_selftests failed with B-KVM
$ sudo ./psock_tpacket
test: TPACKET_V1 with PACKET_RX_RING open: No such file or directory
Look into the code, it seems that this file not found error is caused by
the attempt to access /proc/kallsyms in test_kernel_bit_width():
static int test_kernel_bit_width(void)
{
char in[512], *ptr;
int num = 0, fd;
ssize_t ret;
fd = open("/proc/kallsyms", O_RDONLY);
if (fd == -1) {
perror("open");
exit(1);
}
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-1028-kvm 4.15.0-1028.28
ProcVersionSignature: User Name 4.15.0-1028.28-kvm 4.15.18
Uname: Linux 4.15.0-1028-kvm x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
Date: Thu Jan 17 08:05:47 2019
SourcePackage: linux-kvm
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-kvm (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic uec-images
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https://bugs.launchpad.net/bugs/1812176
Title:
psock_tpacket from the net test in ubuntu_kernel_selftests fail on
B-KVM
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