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

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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@xxxxxxxxxxxxxxxxxxx> wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=121531
>
> --- Comment #14 from Jack Wang <xjtuwjp@xxxxxxxxx> ---
> 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@xxxxxxxxxxxxxxxxxxx>:
>> https://bugzilla.kernel.org/show_bug.cgi?id=121531
>>
>> --- Comment #13 from Martin von Wittich <martin.von.wittich@xxxxxxxx> ---
>> 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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