APPLIED [OEM-5.6] Re: [PATCH 0/1][SRU][F][G][OEM-5.6] blk_update_request error when mount nvme partition

[Timo Aaltonen]

On 29.7.2020 15.12, Timo Aaltonen wrote:
> On 28.7.2020 11.45, AceLan Kao wrote:
>> BugLink: https://bugs.launchpad.net/bugs/1872383
>>
>> [Impact]
>> Got below error message after upgraded to Focal kernel(v5.4)
>>    [ 576.793852] blk_update_request: operation not supported error, dev
>>    nvme1n1, sector 4218887 op 0x9:(WRITE_ZEROES) flags 0x0 phys_seg 0 prio
>>    class 0
>>
>> This issue was introduced by below commit from v5.1-rc1 which added write
>> zeros command
>>    6e02318eaea5 nvme: add support for the Write Zeroes command
>> SK hynix firmware has a bug that it treats NLB as max value instead
>> of a range, so the NLB passed isn't a valid value to the firmware.
>>
>> [Fix]
>> Add a quirk to disable write zeros support
>>
>> [Test]
>> Verified on the machine with SK hynix PC400 nvme machine.
>>
>> [Regression Potential]
>> Low, it's a quirk to a specific PCI ID.
>>
>> Kai-Heng Feng (1):
>>   nvme-pci: prevent SK hynix PC400 from using Write Zeroes command
>>
>>  drivers/nvme/host/pci.c | 2 ++
>>  1 file changed, 2 insertions(+)
>>
> applied to oem-5.6, thanks
> 

note that I added 'UBUNTU: SAUCE' and then moved the BugLink as the
first line, not sure if it's necessary for the tooling bug wanted to be
sure..


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t