** Also affects: linux-kvm (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux-kvm (Ubuntu Bionic)
Assignee: (unassigned) => Kelsey Skunberg (kelsey-skunberg)
** Changed in: linux-kvm (Ubuntu Focal)
Assignee: dann frazier (dannf) => Kelsey Skunberg (kelsey-skunberg)
** Changed in: linux-kvm (Ubuntu Bionic)
Status: New => Fix Committed
** Changed in: linux-kvm (Ubuntu Focal)
Status: In Progress => Fix Committed
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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 Bionic:
Fix Committed
Status in linux-kvm source package in Focal:
Fix Committed
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.
Turn on CONFIG_DEBUG_INFO to include those 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]
Since linux-kvm is tuned for performance, it's possible 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.
This config is already succesfully turned on in Hirsute/kvm.
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