[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 #15 from Jack Wang <xjtuwjp@gmail.com> ---
Hi Viswas,

Thanks for update.
Good to know MicroSemi is still working on it!

Could you update the Maintainer file about your guys working email address?

Regards,
Jack

2016-07-08 6:47 GMT+02:00 Viswas G <gviswas@gmail.com>:
> Patch set for pm80xx is pending for the last 3 quarters.
> We will submit those soon with all the buf fixes and  performance
> tuning changes.
>
> Regards,
> Viswas G
>
> On Thu, Jul 7, 2016 at 10:04 PM,  <bugzilla-daemon@bugzilla.kernel.org> wrote:
>> 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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