Messages in this thread | | | Date | Tue, 29 Aug 2023 15:59:39 +0300 | From | "Kirill A. Shutemov" <> | Subject | Re: kexec reboot failed due to commit 75d090fd167ac |
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On Tue, Aug 29, 2023 at 08:51:34PM +0800, Aaron Lu wrote: > On Tue, Aug 29, 2023 at 07:14:59PM +0700, Bagas Sanjaya wrote: > > On Tue, Aug 29, 2023 at 07:48:16PM +0800, Aaron Lu wrote: > > > Hi Kirill, > > > > > > Ever since v6.5-rc1, I found that I can not use kexec to reboot an Intel > > > SPR test machine. With git bisect, the first bad commit is 75d090fd167ac > > > ("x86/tdx: Add unaccepted memory support"). > > > > > > I have no idea why a tdx change would affect it, I'm not doing anything > > > related to tdx. > > > > > > Any ideas?
Are we talking about bare metal? Or is it kexec in a VM?
> > > The kernel config is attached, let me know if you need any other info. > > > > Can you provide system logs (e.g. journalctl output) when attempting to > > reboot? > > ... ... > Aug 29 19:15:59 be3af2b6059f systemd-shutdown[1]: Syncing filesystems and block devices. > Aug 29 19:15:59 be3af2b6059f systemd-shutdown[1]: Sending SIGTERM to remaining processes... > Aug 29 19:16:00 be3af2b6059f systemd-journald[2629]: Journal stopped > -- Boot 7e5173842b8b4be581886ff25ad0c02f -- > Aug 29 19:24:27 be3af2b6059f kernel: microcode: updated early: 0x2b000161 -> 0x2b000461, date = 2023-03-13 > Aug 29 19:24:27 be3af2b6059f kernel: Linux version 6.3.8-100.fc37.x86_64 (mockbuild@bkernel02.iad2.fedoraproject.org) > Aug 29 19:24:27 be3af2b6059f kernel: Command line: BOOT_IMAGE=/boot/vmlinuz-6.3.8-100.fc37.x86_64 root=UUID=4381321e-e0> > > First 3 lines are from the first kernel, then I attmpted to kexec reboot > to 6.4.0-rc5-00009-g75d090fd167a and remote console hanged with the > reboot message of the first kernel. After a while, I know kexec failed > so I power cycled the machine to boot into a distro kernel, that is the > last 3 lines. There is no trace of the failed boot. > > I guess the kexeced kernel failed to start early in the boot process > so the log is probably only available in serial, if any. Unfortunately, > there is no serial support for this machine.
Could you show dmesg of the first kernel before kexec?
-- Kiryl Shutsemau / Kirill A. Shutemov
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