Re: Need help with btrfs.

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fdisk says:
 Disk /dev/sda: 1.82 TiB, 2000398934016 bytes, 3907029168 sectors
 /dev/sda8       436217856 3907029167 3470811312  1.6T 83 Linux

sda8 is 1777055391744 bytes

Btrfs says:
  dev_item.total_bytes    1777055391744

Those agree. The scrub message comes from
block/blk-core.c:655:   pr_info_ratelimited("attempt to access beyond
end of device\n"

I don't know why it would be triggered.



fdisk says:
 Disk /dev/sdb: 465.76 GiB, 500107862016 bytes, 976773168 sectors
 /dev/sdb1        2048 976773167 976771120 465.8G 83 Linux

sdb1 is 500106813440 bytes.

kernel says:
 [152968.929912] sdb: p1 size 1465144002 extends beyond EOD, enabling
native capacity

this is coming from
block/partitions/core.c:573:                   "%s: p%d size %llu
extends beyond EOD, ",
and
block/partitions/core.c:519:            printk(KERN_CONT "enabling
native capacity\n");

I've got no idea what it's complaining about though. Seems like the
kernel and fdisk have very different ideas about how to read this
partition map.

btrfs says:
 dev_item.total_bytes    500106813440

The partition map and btrfs have the exact same bytes again, that's
good. The only discrepancy here is the kernel's block core is confused
about it. I don't know why that would be. Does that EOD message happen
on every boot for sdb1?

--
Chris Murphy
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