** Description changed:
+ [ Impact ]
+
+ * kexec-tools is broken on riscv64 because of RISC-V kernels being built
with EFI_ZBOOT, which the tool does not support currently
+ * Other RISC-V specific-bugs have been identified upstream on kexec-tools
+ * Upstream recently patched those bugs and introduced ZBOOT support, which
would fix the tool in Ubuntu
+
+
+ [ Test Plan ]
+
+ * kexec-tools is consumed by kdump-tools, which provides a nice way to
+ test it. Installing both, rebooting and running `systemctl status kdump-
+ tools` should show working status. Instead, it currently shows:
+
+ Aug 18 16:54:50 xrv64 systemd[1]: Starting kdump-tools.service - Kernel crash
dump capture service...
+ Aug 18 16:54:52 xrv64 kdump-tools[735]: Starting kdump-tools:
+ Aug 18 16:54:52 xrv64 kdump-tools[796]: * Creating symlink
/var/lib/kdump/vmlinuz
+ Aug 18 16:54:54 xrv64 kdump-tools[886]: kdump-tools: Generating
/var/lib/kdump/initrd.img-7.0.0-14-generic
+ Aug 18 16:56:13 xrv64 kdump-tools[796]: * Creating symlink
/var/lib/kdump/initrd.img
+ Aug 18 16:56:14 xrv64 kdump-tools[4440]: Warning: No dtb provided, using
/sys/firmware/fdt
+ Aug 18 16:56:14 xrv64 kdump-tools[4440]: Cannot determine the file type of
/var/lib/kdump/vmlinuz
+ Aug 18 16:56:14 xrv64 kdump-tools[796]: * failed to load kdump kernel
+ Aug 18 16:56:14 xrv64 systemd[1]: Finished kdump-tools.service - Kernel crash
dump capture service.
+
+ * Re-testing with the current patches shows:
+
+ Aug 20 14:44:31 ubuntu systemd[1]: Starting kdump-tools.service - Kernel
crash dump capture service...
+ Aug 20 14:44:34 ubuntu kdump-tools[867]: Starting kdump-tools:
+ Aug 20 14:44:34 ubuntu kdump-tools[880]: * Creating symlink
/var/lib/kdump/vmlinuz
+ Aug 20 14:44:34 ubuntu kdump-tools[880]: * Creating symlink
/var/lib/kdump/initrd.img
+ Aug 20 14:44:35 ubuntu kdump-tools[970]: Warning: No dtb provided, using
/sys/firmware/fdt
+ Aug 20 14:44:40 ubuntu kdump-tools[880]: * loaded kdump kernel
+ Aug 20 14:44:41 ubuntu kdump-tools[1148]: loaded kdump kernel
+ Aug 20 14:44:41 ubuntu systemd[1]: Finished kdump-tools.service - Kernel
crash dump capture service.
+
+
+ [ Where problems could occur ]
+
+ * kexec-tools is not risc-v specific, so the change could be affecting
+ another architecture badly, this needs to be retested on other
+ architectures
+
+ * the tool was broken before on risc-v, so if something goes wrong it
+ could still be broken on risc-v after the update
+
+ [ Other Info ]
+
+ Original bug report:
+
Our RISC-V kernels are built with CONFIG_EFI_ZBOOT=y but our version of
kexec-tools lacks support for this file format.
Please, add upstream patch
771e89dc104e ("RISC-V: add kexec_load support for vmlinuz")
-
Best regards
Heinrich
** Description changed:
[ Impact ]
- * kexec-tools is broken on riscv64 because of RISC-V kernels being built
with EFI_ZBOOT, which the tool does not support currently
- * Other RISC-V specific-bugs have been identified upstream on kexec-tools
- * Upstream recently patched those bugs and introduced ZBOOT support, which
would fix the tool in Ubuntu
+ * kexec-tools is broken on riscv64 because of RISC-V kernels being
+ built with EFI_ZBOOT, which the tool does not support currently
+ * Other RISC-V specific-bugs have been identified upstream on kexec-
+ tools
+
+ * Upstream recently patched those bugs and introduced ZBOOT support,
+ which would fix the tool in Ubuntu
[ Test Plan ]
- * kexec-tools is consumed by kdump-tools, which provides a nice way to
+ * kexec-tools is consumed by kdump-tools, which provides a nice way to
test it. Installing both, rebooting and running `systemctl status kdump-
tools` should show working status. Instead, it currently shows:
Aug 18 16:54:50 xrv64 systemd[1]: Starting kdump-tools.service - Kernel crash
dump capture service...
Aug 18 16:54:52 xrv64 kdump-tools[735]: Starting kdump-tools:
Aug 18 16:54:52 xrv64 kdump-tools[796]: * Creating symlink
/var/lib/kdump/vmlinuz
Aug 18 16:54:54 xrv64 kdump-tools[886]: kdump-tools: Generating
/var/lib/kdump/initrd.img-7.0.0-14-generic
Aug 18 16:56:13 xrv64 kdump-tools[796]: * Creating symlink
/var/lib/kdump/initrd.img
Aug 18 16:56:14 xrv64 kdump-tools[4440]: Warning: No dtb provided, using
/sys/firmware/fdt
Aug 18 16:56:14 xrv64 kdump-tools[4440]: Cannot determine the file type of
/var/lib/kdump/vmlinuz
Aug 18 16:56:14 xrv64 kdump-tools[796]: * failed to load kdump kernel
Aug 18 16:56:14 xrv64 systemd[1]: Finished kdump-tools.service - Kernel crash
dump capture service.
* Re-testing with the current patches shows:
Aug 20 14:44:31 ubuntu systemd[1]: Starting kdump-tools.service - Kernel
crash dump capture service...
Aug 20 14:44:34 ubuntu kdump-tools[867]: Starting kdump-tools:
Aug 20 14:44:34 ubuntu kdump-tools[880]: * Creating symlink
/var/lib/kdump/vmlinuz
Aug 20 14:44:34 ubuntu kdump-tools[880]: * Creating symlink
/var/lib/kdump/initrd.img
Aug 20 14:44:35 ubuntu kdump-tools[970]: Warning: No dtb provided, using
/sys/firmware/fdt
Aug 20 14:44:40 ubuntu kdump-tools[880]: * loaded kdump kernel
Aug 20 14:44:41 ubuntu kdump-tools[1148]: loaded kdump kernel
Aug 20 14:44:41 ubuntu systemd[1]: Finished kdump-tools.service - Kernel
crash dump capture service.
-
[ Where problems could occur ]
- * kexec-tools is not risc-v specific, so the change could be affecting
+ * kexec-tools is not RISC-V specific, so the change could be affecting
another architecture badly, this needs to be retested on other
architectures
- * the tool was broken before on risc-v, so if something goes wrong it
- could still be broken on risc-v after the update
+ * The tool was broken before on RISC-V, so if something goes wrong it
+ could still be broken on RISC-V after the update
[ Other Info ]
Original bug report:
Our RISC-V kernels are built with CONFIG_EFI_ZBOOT=y but our version of
kexec-tools lacks support for this file format.
Please, add upstream patch
771e89dc104e ("RISC-V: add kexec_load support for vmlinuz")
Best regards
Heinrich
** Changed in: kexec-tools (Ubuntu Resolute)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/2163858
Title:
Missing RISC-V kexec support for EFI_ZBOOT kernel
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