On Thu, Mar 01, 2018 at 10:11:01PM +0200, cantabile wrote: > On 01/03/18 19:29, Luis R. Rodriguez wrote: > > > > Correct? > > > > The above log is from "20180227-firmware-cache" kernel plus your suggested > change that makes it always upload the firmware: > > diff --git a/drivers/net/wireless/mediatek/mt7601u/mcu.c > b/drivers/net/wireless/mediatek/mt7601u/mcu.c > index 65a8004418ea..04cbffd225a1 100644 > --- a/drivers/net/wireless/mediatek/mt7601u/mcu.c > +++ b/drivers/net/wireless/mediatek/mt7601u/mcu.c > @@ -421,7 +421,7 @@ static int mt7601u_load_firmware(struct mt7601u_dev > *dev) > MT_USB_DMA_CFG_TX_BULK_EN)); > > if (firmware_running(dev)) > - return 0; > + pr_info("Firmware already loaded but going to reload..."); > > ret = request_firmware(&fw, MT7601U_FIRMWARE, dev->dev); > if (ret) Huh, if you are using 20180227-firmware-cache, then your diff should instead be this no? diff --git a/drivers/net/wireless/mediatek/mt7601u/mcu.c b/drivers/net/wireless/mediatek/mt7601u/mcu.c index b90456a4b4d7..04cbffd225a1 100644 --- a/drivers/net/wireless/mediatek/mt7601u/mcu.c +++ b/drivers/net/wireless/mediatek/mt7601u/mcu.c @@ -421,7 +421,7 @@ static int mt7601u_load_firmware(struct mt7601u_dev *dev) MT_USB_DMA_CFG_TX_BULK_EN)); if (firmware_running(dev)) - return request_firmware_cache(dev->dev, MT7601U_FIRMWARE); + pr_info("Firmware already loaded but going to reload..."); ret = request_firmware(&fw, MT7601U_FIRMWARE, dev->dev); if (ret) > I recompiled the kernel with CONFIG_DEBUG_INFO=y, but the messages in > journalctl look pretty much the same as before. There are still question > marks in the call traces, there are no line numbers, and it still says > "verbose debug info unavailable". /proc/config.gz contains > CONFIG_DEBUG_INFO=y. What else do I need to do? Hrm, odd. CONFIG_FRAME_POINTER=y Maybe. > > But if the patches I posted help, I guess we already have a solution, The rest of > > these email exchanges are all just hypothetical exercises. > > > > Your patches definitely fix the problem I reported in my initial email. Ah OK :) Luis