Messages in this thread | | | Subject | Re: Regression: QCA6390 fails with "mm/page_alloc: place pages to tail in __free_pages_core()" | From | Pavel Procopiuc <> | Date | Fri, 13 Nov 2020 09:17:55 +0100 |
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Op 12.11.2020 om 11:48 schreef David Hildenbrand: > Trying to understand the code, it looks like there are always two rounds of reqests. The first one always fails > ("requesting one big chunk of DMA memory"), the second one (providing multiple chunks of DMA memory) is supposed to work > - and we do allocate memory. > > > In the *working* cases we have > > Respond mem req failed, result: 1, err: 0 > qmi failed to respond fw mem req:-22 > ... > chip_id 0x0 chip_family 0xb board_id 0xff soc_id 0xffffffff > > We don't fail in qmi_txn_wait() - second request w > > > In the *non-working* cases we have > > Respond mem req failed, result: 1, err: 0 > qmi failed to respond fw mem req:-22 > ... > qmi failed memory request, err = -110 > qmi failed to respond fw mem req:-110 > > We fail in qmi_txn_wait(). We run into a timeout (ETIMEDOUT). > > Can we bump up the timeout limit and see if things change? Maybe FW needs more time with other addresses.
I tried increasing ATH11K_QMI_WLANFW_TIMEOUT_MS 20 times to 100000 (i.e. 100 seconds) and it didn't have any positive effect, the second error (-110) just came 100 seconds later and not 5.
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