Stuff like this in Kernel code is "dubious" at best! ( I won't engage in the, "it's just a warning argument")

In function ‘btrfs_show_u64’,
    inlined from ‘btrfs_space_info_show_bytes_reserved’ at fs/btrfs/sysfs.c:871:1: fs/btrfs/sysfs.c:637:13: warning: array subscript -44 is outside array bounds of ‘struct kobject[144115188075855871]’ [-Warray-bounds=]
  637 |         val = *value_ptr;
      |         ~~~~^~~~~~~~~~~~
In function ‘btrfs_show_u64’,
    inlined from ‘btrfs_space_info_show_bytes_may_use’ at fs/btrfs/sysfs.c:872:1: fs/btrfs/sysfs.c:637:13: warning: array subscript -43 is outside array bounds of ‘struct kobject[144115188075855871]’ [-Warray-bounds=]
  637 |         val = *value_ptr;
      |         ~~~~^~~~~~~~~~~~
In function ‘btrfs_show_u64’,
    inlined from ‘btrfs_space_info_show_bytes_readonly’ at fs/btrfs/sysfs.c:873:1: fs/btrfs/sysfs.c:637:13: warning: array subscript -42 is outside array bounds of ‘struct kobject[144115188075855871]’ [-Warray-bounds=]
  637 |         val = *value_ptr;
      |         ~~~~^~~~~~~~~~~~
In function ‘btrfs_show_u64’,
    inlined from ‘btrfs_space_info_show_bytes_zone_unusable’ at fs/btrfs/sysfs.c:874:1: fs/btrfs/sysfs.c:637:13: warning: array subscript -41 is outside array bounds of ‘struct kobject[144115188075855871]’ [-Warray-bounds=]

On 4/25/2023 5:31 PM, Sally A. haj wrote:
I've upgraded from F37 with no issue, I am using RPi4 as a PC. My RPi4
overclocked to 2000.

On Tue, 2023-04-25 at 22:44 +0100, Peter Robinson wrote:
On Tue, Apr 25, 2023 at 10:40 PM Randy DuCharme
<radio.ad...@gmail.com> wrote:
Am I the only one having difficulties with this?  It's worse than
half
as fast as f37 was, NTP/Chrony refuses to work..... I could go on.
Afraid I'm going to have to ditch this.  Kernel's been building for
7
hours now.  Clocking, over-clocking, governors, schedulers make no
difference.  Btrace, strace points to nothing. CPU load through the
roof
though yet I don't see anything especially noteworthy.

Thoughts?
I've not seen regressions like that, but I've also not had the time
to
look at performance, but then time sync seems to work fine.

Maybe check kernel major versions, what did you have prior to the
upgrade from F-37, you don't give any real details, like when you
upgraded, whether you're running wired or wireless network.
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