** Description changed: - linux-image-unsigned-5.4.0-77-generic-dbgsym provides a - /usr/lib/debug/boot/vmlinux-5.4.0-1040-kvm, but it does not contain any - debug symbols. Compare: + [Impact] + linux-image-unsigned-5.4.0-77-generic-dbgsym provides a /usr/lib/debug/boot/vmlinux-5.4.0-1040-kvm, but it does not contain any debug symbols. + [Test Case] + Compare: $ file /usr/lib/debug/boot/vmlinux-* /usr/lib/debug/boot/vmlinux-5.4.0-1040-kvm: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, BuildID[sha1]=514891d64a7d18db4fa58aa5cfea213e0951ca9d, not stripped /usr/lib/debug/boot/vmlinux-5.4.0-77-generic: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, BuildID[sha1]=773d8ee85333fe092635f65d2b6850909085c11d, with debug_info, not stripped - This is apparently because linux-kvm has CONFIG_DEBUG_INFO disabled. Is - there a good reason for that? Does it have some adverse impact even when - stripped? + [What Could Go Wrong] + linux-kvm seems heavily tuned for performance (quick booting?) - it's possible that there's some side-effect of producing debug symbols that negatively impacts this. I've not noticed any issues empirically, but I didn't try to measure it.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1935855 Title: dbgsym contains no debug symbols Status in linux-kvm package in Ubuntu: Fix Released Status in linux-kvm source package in Focal: In Progress Status in linux-kvm source package in Hirsute: Fix Released Status in linux-kvm source package in Impish: Fix Released Bug description: [Impact] linux-image-unsigned-5.4.0-77-generic-dbgsym provides a /usr/lib/debug/boot/vmlinux-5.4.0-1040-kvm, but it does not contain any debug symbols. [Test Case] Compare: $ file /usr/lib/debug/boot/vmlinux-* /usr/lib/debug/boot/vmlinux-5.4.0-1040-kvm: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, BuildID[sha1]=514891d64a7d18db4fa58aa5cfea213e0951ca9d, not stripped /usr/lib/debug/boot/vmlinux-5.4.0-77-generic: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, BuildID[sha1]=773d8ee85333fe092635f65d2b6850909085c11d, with debug_info, not stripped [What Could Go Wrong] linux-kvm seems heavily tuned for performance (quick booting?) - it's possible that there's some side-effect of producing debug symbols that negatively impacts this. I've not noticed any issues empirically, but I didn't try to measure it. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-kvm/+bug/1935855/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
