[Bug 121531] Adaptec 7805H SAS HBA (pm80xx): hangs when writing >80MB at once

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=121531

--- Comment #14 from Jack Wang <xjtuwjp@gmail.com> ---
The changes are huge, hard to do it, without help from MicroSemi/PMCs side.
And I don't have hardware to test.

I've asked developer from MicroSemi to upsteam their changes, but
sadly no reply.

2016-07-07 17:36 GMT+02:00  <bugzilla-daemon@bugzilla.kernel.org>:
> https://bugzilla.kernel.org/show_bug.cgi?id=121531
>
> --- Comment #13 from Martin von Wittich <martin.von.wittich@iserv.eu> ---
> Yup, the Debian installation worked and seems to work fine so far. I manually
> installed the pm80xx-1.4.0-11068-debian64.deb package in the target system
> while I was still in the installer by chrooting to /target; then I added
> "pm80xx" to /etc/initramfs/modules (without that update-initramfs wouldn't add
> the pm80xx module, I'm not really sure why).
>
> After booting the system, I've succcessfully written ~500 GB of /dev/zero data
> into a file on an MD raid consisting of both of the disks. No error messages in
> the dmesg either.
>
> Can you include those missing changes into the official kernel, or how can we
> resolve this bug? We'll ask to the customer if we can keep the server for an
> additional two weeks for testing, so if you need me to test builds, let me
> know.
>
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