Amazing, that has taught me something very useful!
shutdown-log.txt attached and error is visible!
Josh
On Sun, 2020-12-06 at 21:36 +0100, Michael Biebl wrote:
> Am Sonntag, den 06.12.2020, 19:28 +0100 schrieb Michael Biebl:
> > Am 06.12.20 um 17:04 schrieb Josh Jones:
> > > It is the root filesystem which is failing to be remounted read-
> > > only -
> > > this is a simple setup with only one filesystem for the whole
> > > system.
> > >
> > > It seems to be happening right at the very very end of the
> > > shutdown
> > > sequence - I have attached a picture of the error; quality is
> > > poor
> > > because I had to capture it from video footage. Is there any way
> > > to
> > > even have anything saved to disk so late in the sequence?
> >
> > With the shutdown hook described in README.Debian and
> > https://freedesktop.org/wiki/Software/systemd/Debugging/#index2h1
> > (install the hook as /lib/systemd/system-shutdown/debug.sh without
> > the
> > /usr prefix) you can gather logs right until the end
> >
> >
>
> Copy the attached script to /lib/systemd/system-shutdown/, make it
> executable with chmod +x, then add
> systemd.log_level=debug systemd.log_target=kmsg log_buf_len=1M
> to the kernel command line and after the reboot, attach the file
> /shutdown-log.txt to this bug report.
>
> Michael
[0.00] Linux version 4.19.0-13-amd64 (debian-ker...@lists.debian.org)
(gcc version 8.3.0 (Debian 8.3.0-6)) #1 SMP Debian 4.19.160-2 (2020-11-28)
[0.00] Command line: BOOT_IMAGE=/boot/vmlinuz-4.19.0-13-amd64
root=UUID=7900bc19-0f2b-463a-b20c-fca3956fd844 ro quiet splash nomodeset
[0.00] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point
registers'
[0.00] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[0.00] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[0.00] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
[0.00] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes,
using 'standard' format.
[0.00] BIOS-provided physical RAM map:
[0.00] BIOS-e820: [mem 0x-0x0009efff] usable
[0.00] BIOS-e820: [mem 0x0009f000-0x0009] reserved
[0.00] BIOS-e820: [mem 0x0010-0x1fff] usable
[0.00] BIOS-e820: [mem 0x2000-0x201f] reserved
[0.00] BIOS-e820: [mem 0x2020-0x40003fff] usable
[0.00] BIOS-e820: [mem 0x40004000-0x40004fff] reserved
[0.00] BIOS-e820: [mem 0x40005000-0xc8c37fff] usable
[0.00] BIOS-e820: [mem 0xc8c38000-0xc97d1fff] reserved
[0.00] BIOS-e820: [mem 0xc97d2000-0xc985efff] usable
[0.00] BIOS-e820: [mem 0xc985f000-0xc98f] ACPI NVS
[0.00] BIOS-e820: [mem 0xc990-0xca0a2fff] reserved
[0.00] BIOS-e820: [mem 0xca0a3000-0xca15cfff] type 20
[0.00] BIOS-e820: [mem 0xca15d000-0xca15dfff] usable
[0.00] BIOS-e820: [mem 0xca15e000-0xca1a0fff] ACPI NVS
[0.00] BIOS-e820: [mem 0xca1a1000-0xcabecfff] usable
[0.00] BIOS-e820: [mem 0xcabed000-0xcaff1fff] reserved
[0.00] BIOS-e820: [mem 0xcaff2000-0xcaff] usable
[0.00] BIOS-e820: [mem 0xcb80-0xcf9f] reserved
[0.00] BIOS-e820: [mem 0xf800-0xfbff] reserved
[0.00] BIOS-e820: [mem 0xfec0-0xfec00fff] reserved
[0.00] BIOS-e820: [mem 0xfed0-0xfed03fff] reserved
[0.00] BIOS-e820: [mem 0xfed1c000-0xfed1] reserved
[0.00] BIOS-e820: [mem 0xfee0-0xfee00fff] reserved
[0.00] BIOS-e820: [mem 0xff00-0x] reserved
[0.00] BIOS-e820: [mem 0x0001-0x00042f5f] usable
[0.00] NX (Execute Disable) protection: active
[0.00] efi: EFI v2.31 by American Megatrends
[0.00] efi: ACPI=0xc98f ACPI 2.0=0xc98f SMBIOS=0xf04c0
MPS=0xfd560
[0.00] secureboot: Secure boot could not be determined (mode 0)
[0.00] SMBIOS 2.7 present.
[0.00] DMI: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme6,
BIOS P2.80 07/01/2013
[0.00] tsc: Fast TSC calibration using PIT
[0.00] tsc: Detected 3400.112 MHz processor
[0.001358] e820: update [mem 0x-0x0fff] usable ==> reserved
[0.001359] e820: remove [mem 0x000a-0x000f] usable
[0.001366] last_pfn = 0x42f600 max_arch_pfn = 0x4
[0.001369] MTRR default type: uncachable
[0.00137
