Re: IO errors after "block: remove bio_get_nr_vecs()"

[Ming Lei]

On Mon, Dec 21, 2015 at 1:51 AM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> Kent, Jens, Christoph et al,
>  please see this bugzilla:
>
>   https://bugzilla.kernel.org/show_bug.cgi?id=109661
>
> where Artem Tashkinov bisected his problems with 4.3 down to commit
> b54ffb73cadc ("block: remove bio_get_nr_vecs()") that you've all
> signed off on.
>
> (Also Tejun - maybe you can see what's up - maybe that error message
> tells you something)
>
> I'm not sure what's up with his machine, the disk doesn't seem to be
> anyuthing particularly unusual, it looks like a 1TB Seagate Barracuda:
>
>   ata1.00: ATA-8: ST1000DM003-1CH162, CC44, max UDMA/133
>
> which doesn't strike me as odd.
>
> Looking at the dmesg, it also looks like it's a pretty normal
> Sandybridge setup with Intel chipset. Artem, can you confirm? The PCI
> ID for the AHCI chip seems to be (INTEL, 0x1c02).
>
> Any ideas? Anybody?

BTW, I have posted very similar issue in the link:

http://marc.info/?l=linux-ide&m=145066119623811&w=2

Artem, I noticed from bugzillar that the hardware is i386, just
wondering if PAE is enabled?  If yes, I am more confident
that both the two kinds of report are similar or same.

Thanks,

>
>                        Linus
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-- 
Ming Lei
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