[PATCH 0/1]System takes long time to read device via Thunderbolt 3 port

AceLan Kao acelan.kao at canonical.com
Fri Aug 24 08:51:55 UTC 2018

Thanks for your friendly reminder and sorry for my careless, I'll re-submit it.

2018-08-24 15:46 GMT+08:00 Stefan Bader <stefan.bader at canonical.com>:
> On 23.08.2018 10:01, AceLan Kao wrote:
>> BugLink: https://bugs.launchpad.net/bugs/1788567
>> [Impact]
>> On Dell XPS 13 with Dell TB16 docking station, sometimes the devices on
>> docking station do not show up or takes couple minutes to be recognized.
>> [Fix]
>> This issue doesn't exist in 4.16 vanilla kernel, and after bisected the
>> kernel and found below commit fixes this issue.
>>    cc5db3150e87 net: qcom/emac: Use proper free methods during TX
>> Applied this commit on top of Bionic 4.15 kernel and confirmed it works.
>> [Regression Potential]
>> Low, this commit is more like a patch fixes a bug which has been
>> introduced since the driver was created. It aligns the dma_map and
>> dma_unmap methods which might cause issues in some cases.
>> Hemanth Puranik (1):
>>   net: qcom/emac: Use proper free methods during TX
>>  drivers/net/ethernet/qualcomm/emac/emac-mac.c | 23 +++++++++++--------
>>  1 file changed, 14 insertions(+), 9 deletions(-)
> The way you submitted this, it looks to be intended for Cosmic/Unstable, even
> the bug report does not have the Bionic task added which I take from the last
> sentence of the Fix section is where this actually should go.
> But its hard to notice and this is why nobody has looked at the patch and you
> have not inquired either. Please re-submit again (with proper [SRU Bionic] in
> the subject and at least a nomination for bionic added to the bug report) for
> the next SRU cycle.
> -Stefan

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