View Issue Details

IDProjectCategoryView StatusLast Update
0017815CentOS-8kernelpublic2020-10-25 15:13
Reporterapmattil 
PrioritylowSeverityminorReproducibilityalways
Status newResolutionopen 
Product Version8.2.2004 
Target VersionFixed in Version 
Summary0017815: DEBUG_KMEMLEAK_EARLY_LOG_SIZE default too small at x86_64 config
Descriptionkernel 4.18.0-193.19.1.el8.x86_64

kmemleak does not start due default log size is too small.

same issue closed at redhat : https://bugzilla.redhat.com/show_bug.cgi?id=1201179

[root@centos-8-sdr-source ~]# dmesg | grep memleak
[ 0.000000] Command line: BOOT_IMAGE=(hd0,msdos1)/vmlinuz-4.18.0-193.19.1.el8.ari.x86_64 root=/dev/mapper/cl-root ro crashkernel=auto resume=/dev/mapper/cl-swap rd.lvm.lv=cl/root rd.lvm.lv=cl/swap net.ifnames=0 kmemleak=on
[ 0.000000] Kernel command line: BOOT_IMAGE=(hd0,msdos1)/vmlinuz-4.18.0-193.19.1.el8.ari.x86_64 root=/dev/mapper/cl-root ro crashkernel=auto resume=/dev/mapper/cl-swap rd.lvm.lv=cl/root rd.lvm.lv=cl/swap net.ifnames=0 kmemleak=on
[ 0.001000] kmemleak: Kernel memory leak detector disabled
[ 0.001000] kmemleak: Early log buffer exceeded (2130), please increase DEBUG_KMEMLEAK_EARLY_LOG_SIZE

If I increase it to 5120 kmemleak is enabled.
Steps To Reproducebuild kernel with CONFIG_DEBUG_KMEMLEAK enabled
TagsNo tags attached.

Activities

There are no notes attached to this issue.

Issue History

Date Modified Username Field Change
2020-10-25 15:13 apmattil New Issue