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Re: QCA6174 hw2.1 irq_mode=0 broken on 4.2-rc3, working on 4.1.2

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Hi there,

I got 4.2 rc4 running and I'm going to start the bisect. Before
compiling I enabled ath10k debug and this is the output for with
default irq_mode:

enrico@alientux ~ $ dmesg | grep ath
[   16.234853] ath10k_pci 0000:03:00.0: enabling device (0000 -> 0002)
[   16.234979] ath10k_pci 0000:03:00.0: boot pci_mem 0xffffc90002000000
[   16.235351] ath10k_pci 0000:03:00.0: pci irq msi-x interrupts 8
irq_mode 0 reset_mode 0
[   16.235517] ath10k_pci 0000:03:00.0: boot qca6174 chip reset
[   16.235518] ath10k_pci 0000:03:00.0: boot cold reset
[   16.239030] ath10k_pci 0000:03:00.0: boot cold reset complete
[   16.239032] ath10k_pci 0000:03:00.0: boot waiting target to initialise
[   16.239037] ath10k_pci 0000:03:00.0: boot target indicator 0
[   16.249046] ath10k_pci 0000:03:00.0: boot target indicator 2
[   16.249055] ath10k_pci 0000:03:00.0: boot target initialised
[   16.249057] ath10k_pci 0000:03:00.0: boot warm reset
[   16.271106] ath10k_pci 0000:03:00.0: boot init ce src ring id 0
entries 16 base_addr ffff88003f00a000
[   16.271128] ath10k_pci 0000:03:00.0: boot ce dest ring id 1 entries
512 base_addr ffff88003f3c8000
[   16.271146] ath10k_pci 0000:03:00.0: boot ce dest ring id 2 entries
128 base_addr ffff88003eb6a000
[   16.271166] ath10k_pci 0000:03:00.0: boot init ce src ring id 3
entries 32 base_addr ffff88003f349000
[   16.271187] ath10k_pci 0000:03:00.0: boot init ce src ring id 4
entries 4096 base_addr ffff8800ba940000
[   16.271207] ath10k_pci 0000:03:00.0: boot init ce src ring id 7
entries 2 base_addr ffff8800c4888000
[   16.271223] ath10k_pci 0000:03:00.0: boot ce dest ring id 7 entries
2 base_addr ffff8800ba889000
[   16.271224] ath10k_pci 0000:03:00.0: boot waiting target to initialise
[   16.271229] ath10k_pci 0000:03:00.0: boot target indicator 0
[   16.281316] ath10k_pci 0000:03:00.0: boot target indicator 2
[   16.281373] ath10k_pci 0000:03:00.0: boot target initialised
[   16.292100] ath10k_pci 0000:03:00.0: boot init ce src ring id 0
entries 16 base_addr ffff88003f00a000
[   16.292169] ath10k_pci 0000:03:00.0: boot ce dest ring id 1 entries
512 base_addr ffff88003f3c8000
[   16.292186] ath10k_pci 0000:03:00.0: boot ce dest ring id 2 entries
128 base_addr ffff88003eb6a000
[   16.292206] ath10k_pci 0000:03:00.0: boot init ce src ring id 3
entries 32 base_addr ffff88003f349000
[   16.292228] ath10k_pci 0000:03:00.0: boot init ce src ring id 4
entries 4096 base_addr ffff8800ba940000
[   16.292248] ath10k_pci 0000:03:00.0: boot init ce src ring id 7
entries 2 base_addr ffff8800c4888000
[   16.292265] ath10k_pci 0000:03:00.0: boot ce dest ring id 7 entries
2 base_addr ffff8800ba889000
[   16.292267] ath10k_pci 0000:03:00.0: boot waiting target to initialise
[   16.292272] ath10k_pci 0000:03:00.0: boot target indicator 0
[   16.302326] ath10k_pci 0000:03:00.0: boot target indicator 2
[   16.302335] ath10k_pci 0000:03:00.0: boot target initialised
[   16.302336] ath10k_pci 0000:03:00.0: boot warm reset complete
[   16.302337] ath10k_pci 0000:03:00.0: boot qca6174 chip reset complete (cold)
[   16.302350] ath10k_pci 0000:03:00.0: boot hif power up
[   16.302408] ath10k_pci 0000:03:00.0: boot qca6174 chip reset
[   16.302409] ath10k_pci 0000:03:00.0: boot cold reset
[   16.306030] ath10k_pci 0000:03:00.0: boot cold reset complete
[   16.306033] ath10k_pci 0000:03:00.0: boot waiting target to initialise
[   16.306037] ath10k_pci 0000:03:00.0: boot target indicator 0
[   16.316044] ath10k_pci 0000:03:00.0: boot target indicator 2
[   16.316056] ath10k_pci 0000:03:00.0: boot target initialised
[   16.316057] ath10k_pci 0000:03:00.0: boot warm reset
[   16.338057] ath10k_pci 0000:03:00.0: boot init ce src ring id 0
entries 16 base_addr ffff88003f00a000
[   16.338075] ath10k_pci 0000:03:00.0: boot ce dest ring id 1 entries
512 base_addr ffff88003f3c8000
[   16.338092] ath10k_pci 0000:03:00.0: boot ce dest ring id 2 entries
128 base_addr ffff88003eb6a000
[   16.338111] ath10k_pci 0000:03:00.0: boot init ce src ring id 3
entries 32 base_addr ffff88003f349000
[   16.338132] ath10k_pci 0000:03:00.0: boot init ce src ring id 4
entries 4096 base_addr ffff8800ba940000
[   16.338152] ath10k_pci 0000:03:00.0: boot init ce src ring id 7
entries 2 base_addr ffff8800c4888000
[   16.338169] ath10k_pci 0000:03:00.0: boot ce dest ring id 7 entries
2 base_addr ffff8800ba889000
[   16.338169] ath10k_pci 0000:03:00.0: boot waiting target to initialise
[   16.338174] ath10k_pci 0000:03:00.0: boot target indicator 0
[   16.348187] ath10k_pci 0000:03:00.0: boot target indicator 2
[   16.348196] ath10k_pci 0000:03:00.0: boot target initialised
[   16.359038] ath10k_pci 0000:03:00.0: boot init ce src ring id 0
entries 16 base_addr ffff88003f00a000
[   16.359055] ath10k_pci 0000:03:00.0: boot ce dest ring id 1 entries
512 base_addr ffff88003f3c8000
[   16.359072] ath10k_pci 0000:03:00.0: boot ce dest ring id 2 entries
128 base_addr ffff88003eb6a000
[   16.359092] ath10k_pci 0000:03:00.0: boot init ce src ring id 3
entries 32 base_addr ffff88003f349000
[   16.359113] ath10k_pci 0000:03:00.0: boot init ce src ring id 4
entries 4096 base_addr ffff8800ba940000
[   16.359133] ath10k_pci 0000:03:00.0: boot init ce src ring id 7
entries 2 base_addr ffff8800c4888000
[   16.359149] ath10k_pci 0000:03:00.0: boot ce dest ring id 7 entries
2 base_addr ffff8800ba889000
[   16.359150] ath10k_pci 0000:03:00.0: boot waiting target to initialise
[   16.359155] ath10k_pci 0000:03:00.0: boot target indicator 0
[   16.369166] ath10k_pci 0000:03:00.0: boot target indicator 2
[   16.369174] ath10k_pci 0000:03:00.0: boot target initialised
[   16.369175] ath10k_pci 0000:03:00.0: boot warm reset complete
[   16.369175] ath10k_pci 0000:03:00.0: boot qca6174 chip reset complete (cold)
[   16.369195] ath10k_pci 0000:03:00.0: boot init ce src ring id 0
entries 16 base_addr ffff88003f00a000
[   16.369212] ath10k_pci 0000:03:00.0: boot ce dest ring id 1 entries
512 base_addr ffff88003f3c8000
[   16.369228] ath10k_pci 0000:03:00.0: boot ce dest ring id 2 entries
128 base_addr ffff88003eb6a000
[   16.369248] ath10k_pci 0000:03:00.0: boot init ce src ring id 3
entries 32 base_addr ffff88003f349000
[   16.369268] ath10k_pci 0000:03:00.0: boot init ce src ring id 4
entries 4096 base_addr ffff8800ba940000
[   16.369288] ath10k_pci 0000:03:00.0: boot init ce src ring id 7
entries 2 base_addr ffff8800c4888000
[   16.369304] ath10k_pci 0000:03:00.0: boot ce dest ring id 7 entries
2 base_addr ffff8800ba889000
[   16.380484] ath10k_pci 0000:03:00.0: bmi get target info
[   16.380731] ath10k_pci 0000:03:00.0: Hardware name qca6174 hw2.1
version 0x5010000
[   16.381072] ath10k_pci 0000:03:00.0: Direct firmware load for
ath10k/cal-pci-0000:03:00.0.bin failed with error -2
[   16.382103] ath10k_pci 0000:03:00.0: Direct firmware load for
ath10k/QCA6174/hw2.1/board-pci-168c:003e:1a56:1525.bin failed with
error -2
[   16.382107] ath10k_pci 0000:03:00.0: failed to load spec board
file, falling back to generic: -2
[   16.383013] ath10k_pci 0000:03:00.0: trying fw api 5
[   16.383028] ath10k_pci 0000:03:00.0: Direct firmware load for
ath10k/QCA6174/hw2.1/firmware-5.bin failed with error -2
[   16.383030] ath10k_pci 0000:03:00.0: could not fetch firmware file
'ath10k/QCA6174/hw2.1/firmware-5.bin': -2
[   16.383032] ath10k_pci 0000:03:00.0: trying fw api 4
[   16.384382] ath10k_pci 0000:03:00.0: found fw version killer-n1525-fw
[   16.384384] ath10k_pci 0000:03:00.0: found firmware features ie (4 B)
[   16.384385] ath10k_pci 0000:03:00.0: features
[   16.384387] ath10k_pci 0000:03:00.0: 00000000: 00 00 00 00 00 00 00
00                          ........
[   16.384388] ath10k_pci 0000:03:00.0: found fw ie wmi op version 4
[   16.384390] ath10k_pci 0000:03:00.0: found fw image ie (464383 B)
[   16.384391] ath10k_pci 0000:03:00.0: found otp image ie (29533 B)
[   16.384392] ath10k_pci 0000:03:00.0: using fw api 4
[   16.384394] ath10k_pci 0000:03:00.0: bmi start
[   16.384395] ath10k_pci 0000:03:00.0: bmi write address 0x400800 length 4
[   16.384414] ath10k_pci 0000:03:00.0: bmi read address 0x400810 length 4
[   16.384497] ath10k_pci 0000:03:00.0: bmi write address 0x400810 length 4
[   16.384507] ath10k_pci 0000:03:00.0: bmi write address 0x400844 length 4
[   16.384556] ath10k_pci 0000:03:00.0: bmi write address 0x400904 length 4
[   16.384598] ath10k_pci 0000:03:00.0: boot did not find a
calibration file, try DT next: -2
[   16.384600] ath10k_pci 0000:03:00.0: boot did not find DT entry,
try OTP next: -2
[   16.384601] ath10k_pci 0000:03:00.0: bmi read address 0x4008ac length 4
[   16.384678] ath10k_pci 0000:03:00.0: boot push board extended data addr 0x0
[   16.384679] ath10k_pci 0000:03:00.0: bmi read address 0x400854 length 4
[   16.384732] ath10k_pci 0000:03:00.0: bmi write address 0x401d40 length 8124
[   16.400967] ath10k_pci 0000:03:00.0: bmi write address 0x400858 length 4
[   16.401133] ath10k_pci 0000:03:00.0: boot upload otp to 0x1234 len 29533
[   16.401134] ath10k_pci 0000:03:00.0: bmi fast download address
0x1234 buffer 0xffffc9000166f64c length 29533
[   16.401135] ath10k_pci 0000:03:00.0: bmi lz stream start address 0x1234
[   16.401173] ath10k_pci 0000:03:00.0: bmi lz data buffer
0xffffc9000166f64c length 29532
[   16.463523] ath10k_pci 0000:03:00.0: bmi lz data buffer
0xffff8800c4763d2c length 4
[   16.463602] ath10k_pci 0000:03:00.0: bmi lz stream start address 0x0
[   16.463647] ath10k_pci 0000:03:00.0: bmi execute address 0x1234 param 0x0
[   16.465226] ath10k_pci 0000:03:00.0: bmi execute result 0x3
[   16.465231] ath10k_pci 0000:03:00.0: boot otp execute result 3
[   16.465232] ath10k_pci 0000:03:00.0: boot using calibration mode otp
[   16.465234] ath10k_pci 0000:03:00.0: boot uploading firmware image
ffffc900015fe044 len 464383 mode normal
[   16.465235] ath10k_pci 0000:03:00.0: bmi fast download address
0x1234 buffer 0xffffc900015fe044 length 464383
[   16.465237] ath10k_pci 0000:03:00.0: bmi lz stream start address 0x1234
[   16.465257] ath10k_pci 0000:03:00.0: bmi lz data buffer
0xffffc900015fe044 length 464380
[   17.548533] ath10k_pci 0000:03:00.0: bmi lz data buffer
0xffff8800c4763d2c length 4
[   17.548792] ath10k_pci 0000:03:00.0: bmi lz stream start address 0x0
[   17.548837] ath10k_pci 0000:03:00.0: bmi write address 0x400814 length 4
[   17.548871] ath10k_pci 0000:03:00.0: bmi done
[   17.548913] ath10k_pci 0000:03:00.0: htt tx max num pending tx 1056
[   17.548922] ath10k_pci 0000:03:00.0: htt rx ring size 2048 fill_level 1023
[   17.548923] ath10k_pci 0000:03:00.0: boot hif start
[   17.548959] ath10k_pci 0000:03:00.0: received unsolicited fw crash interrupt
[   17.548981] ath10k_pci 0000:03:00.0: received unsolicited fw crash interrupt
[   18.549028] ath10k_pci 0000:03:00.0: failed to receive control
response completion, polling..
[   18.549192] ath10k_pci 0000:03:00.0: boot htc service 'Control' ul
pipe 0 dl pipe 1 eid 0 ready
[   18.549193] ath10k_pci 0000:03:00.0: boot htc ep 0 ul polled 0 dl polled 0
[   18.549194] ath10k_pci 0000:03:00.0: boot htc service 'Control' eid
0 TX flow control disabled
[   18.549195] ath10k_pci 0000:03:00.0: boot htc service HTT Data does
not allocate target credits
[   18.549280] ath10k_pci 0000:03:00.0: received unsolicited fw crash interrupt
[   18.549294] ath10k_pci 0000:03:00.0: received unsolicited fw crash interrupt
[   19.549038] ath10k_pci 0000:03:00.0: Service connect timeout
[   19.549042] ath10k_pci 0000:03:00.0: failed to connect htt (-110)
[   19.549044] ath10k_pci 0000:03:00.0: boot hif stop
[   19.549045] ath10k_pci 0000:03:00.0: boot warm reset
[   19.571100] ath10k_pci 0000:03:00.0: boot init ce src ring id 0
entries 16 base_addr ffff88003f00a000
[   19.571117] ath10k_pci 0000:03:00.0: boot ce dest ring id 1 entries
512 base_addr ffff88003f3c8000
[   19.571133] ath10k_pci 0000:03:00.0: boot ce dest ring id 2 entries
128 base_addr ffff88003eb6a000
[   19.571153] ath10k_pci 0000:03:00.0: boot init ce src ring id 3
entries 32 base_addr ffff88003f349000
[   19.571172] ath10k_pci 0000:03:00.0: boot init ce src ring id 4
entries 4096 base_addr ffff8800ba940000
[   19.571190] ath10k_pci 0000:03:00.0: boot init ce src ring id 7
entries 2 base_addr ffff8800c4888000
[   19.571206] ath10k_pci 0000:03:00.0: boot ce dest ring id 7 entries
2 base_addr ffff8800ba889000
[   19.571207] ath10k_pci 0000:03:00.0: boot waiting target to initialise
[   19.571212] ath10k_pci 0000:03:00.0: boot target indicator 0
[   19.581273] ath10k_pci 0000:03:00.0: boot target indicator 2
[   19.581282] ath10k_pci 0000:03:00.0: boot target initialised
[   19.592126] ath10k_pci 0000:03:00.0: boot init ce src ring id 0
entries 16 base_addr ffff88003f00a000
[   19.592202] ath10k_pci 0000:03:00.0: boot ce dest ring id 1 entries
512 base_addr ffff88003f3c8000
[   19.592222] ath10k_pci 0000:03:00.0: boot ce dest ring id 2 entries
128 base_addr ffff88003eb6a000
[   19.592245] ath10k_pci 0000:03:00.0: boot init ce src ring id 3
entries 32 base_addr ffff88003f349000
[   19.592269] ath10k_pci 0000:03:00.0: boot init ce src ring id 4
entries 4096 base_addr ffff8800ba940000
[   19.592294] ath10k_pci 0000:03:00.0: boot init ce src ring id 7
entries 2 base_addr ffff8800c4888000
[   19.592314] ath10k_pci 0000:03:00.0: boot ce dest ring id 7 entries
2 base_addr ffff8800ba889000
[   19.592316] ath10k_pci 0000:03:00.0: boot waiting target to initialise
[   19.592321] ath10k_pci 0000:03:00.0: boot target indicator 0
[   19.602378] ath10k_pci 0000:03:00.0: boot target indicator 0
[   19.612445] ath10k_pci 0000:03:00.0: boot target indicator 2
[   19.612455] ath10k_pci 0000:03:00.0: boot target initialised
[   19.612456] ath10k_pci 0000:03:00.0: boot warm reset complete
[   19.612779] ath10k_pci 0000:03:00.0: could not init core (-110)
[   19.612810] ath10k_pci 0000:03:00.0: boot hif power down
[   19.612811] ath10k_pci 0000:03:00.0: could not probe fw (-110)

Maybe this trigger some bell.

On 29 July 2015 at 16:22, Enrico Tagliavini <enrico.tagliavini@xxxxxxxxx> wrote:
> Sound! I'll keep a copy of the log then. If the bisect on ath10k
> folder will lead nowhere I'll see if I can make it over the whole
> tree. At least by doing it on the ath10k tree I hope to narrow down
> the number of commit.
>
> Ok then I'll use Linus' master, no problem with this.
>
> I hope to at least get started this weekend.
>
> On 29 July 2015 at 11:30, Kalle Valo <kvalo@xxxxxxxxxxxxxxxx> wrote:
>> Enrico Tagliavini <enrico.tagliavini@xxxxxxxxx> writes:
>>
>>> Yeah that's what I meant. My idea was to first bisect only the ath10k
>>> directory, so restricting the bisect on the commits touching stuff
>>> there. I guess if the issue is more broad it will come up somewhere
>>> else as well, so this is a good starting point, I hope. Thank you for
>>> pointing it out though, this will actually be the first time I do a
>>> proper bisect.
>>
>> And remember to always to mention if you have restricted the bisect
>> somehow, that's important information. And better if you provide 'git
>> bisect log' output as well.
>>
>>> Also do you want me to bisect Kalle's sources or Linus' master? By
>>> what Michał said I guess Kalle's but I ask to be sure.
>>>
>>> Also to be clear: I'm using Linus' sources at the moment, as provided
>>> by Fedora rawhide.
>>>
>>> For me it's the same, so let me know what you prefer and is more
>>> useful to solve this issue.
>>
>> Good that you brought this up. As ath.git master branch gets rebased
>> every rc1 release you really cannot use that for bisect. Either you
>> should use ath.git ath-next branch or Linus' tree. To be on the safe
>> side I always recommend to use Linus' tree if at all possible.
>>
>> --
>> Kalle Valo
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