Displaying 3 results from an estimated 3 matches for "zdq7ykofzogc_ext4_copy_io_uring".
2020 May 01
3
io_uring cause data corruption
On Fri, May 01, 2020 at 09:27:58PM +0200, A L via samba wrote:
> > Jeremy.
> I did not use a command line, but rather File Explorer
> 1) In File explorer, go to \\SAMBA\share_io_uring\
> 2) Select folder "test2-ro" and choose copy
> 3) Paste to a local drive
>
> The amount of files not working seems to vary, but usually within the 10
> first copied files. You
2020 May 02
2
io_uring cause data corruption
...bably because it
> is so slow, about 25MB/s maximum read speed. This seems to have an impact on
> where the corruptions happen in the files. All files have a corrupt/zeroed
> block at the end of the file, 99% of the time at the same place, as seen
> here https://paste.tnonline.net/files/Zdq7YKOfzogc_ext4_copy_io_uring.png
>
> So, now I think we have at least ruled out Btrfs as filesystem as culprit
> with the io_uring.
>
> You mentioned a wire trace of the SMB traffic. Can you provide some examples
> on how I do that?
Wireshark. Capture on TCP port 445.
> Perhaps I should open a bug on t...
2020 May 02
0
io_uring cause data corruption
...sk. This is probably
because it is so slow, about 25MB/s maximum read speed. This seems to
have an impact on where the corruptions happen in the files. All files
have a corrupt/zeroed block at the end of the file, 99% of the time at
the same place, as seen here
https://paste.tnonline.net/files/Zdq7YKOfzogc_ext4_copy_io_uring.png
So, now I think we have at least ruled out Btrfs as filesystem as
culprit with the io_uring.
You mentioned a wire trace of the SMB traffic. Can you provide some
examples on how I do that?
Perhaps I should open a bug on the Bugzilla tracker and continue this
discussion there?
Regards,
And...