On Mon, Feb 10, 2025 at 6:41 PM Max Kellermann <max.kellermann@xxxxxxxxx> wrote: > Additionally, here you have a file with a dump of *subreq and *req (of > R=8). I have added additional fields "start0" and "len0" which contain > the values initially set on these. btw. this happens because there is only one subrequest (R=8[7]), but the start offset is being rounded down (folio_order=2), thus "fpos<start": (gdb) p/x fpos $5 = 0x1c0000 (gdb) p/x fend $6 = 0x200000 (gdb) p/x start $7 = 0x1c6000