On Tue, Dec 11, 2018 at 6:23 PM Ricardo Salveti <rsalveti@xxxxxxxxxxxx> wrote: > And now with while true: > Dec 11 20:18:13 hikey kernel: wlcore: mac80211 configure filter > changed 0 total 80000000 > Dec 11 20:18:13 hikey kernel: wlcore: waking up chip from elp > Dec 11 20:18:13 hikey kernel: wlcore: wakeup time: 8 ms > Dec 11 20:18:13 hikey kernel: wlcore: acx group address tbl > Dec 11 20:18:13 hikey kernel: wlcore: cmd configure (63) > Dec 11 20:18:13 hikey kernel: wlcore: mac80211 remove interface > Dec 11 20:18:13 hikey kernel: wlcore: down > Dec 11 20:18:13 hikey kernel: wlcore: cmd role disable > Dec 11 20:18:13 hikey kernel: wlcore: IRQ work > Dec 11 20:18:13 hikey kernel: wlcore: mac80211 stop > Dec 11 20:18:13 hikey kernel: wlcore: intr: 0x20 (fw_rx_counter = 0, > drv_rx_counter = 0, tx_results_counter = 0) > Dec 11 20:18:13 hikey kernel: wlcore: WL1271_ACX_INTR_HW_AVAILABLE > > Dec 11 20:18:13 hikey kernel: wlcore: mac80211 start > Dec 11 20:18:13 hikey kernel: wlcore: mac80211 add interface type 2 > mac 84:dd:20:92:54:5b > Dec 11 20:18:13 hikey kernel: wlcore: allocating hw queue base: 0 > Dec 11 20:18:13 hikey kernel: wlcore: clock freq 5 (13, 120, 0, 0, spit) > Dec 11 20:18:13 hikey kernel: wlcore: chip id 0x6030111 > Dec 11 20:18:13 hikey kernel: wlcore: firmware chunks to be uploaded: 15 > Dec 11 20:18:13 hikey kernel: wlcore: chunk 14 addr 0x0 len 120432 > Dec 11 20:18:13 hikey kernel: wlcore: starting firmware upload > Dec 11 20:18:13 hikey kernel: wlcore: fw_data_len 120432 chunk_size 16384 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x000000002d8a6a40 to 0x0 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x0000000048dff62f to 0x4000 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x00000000f9372750 to 0x8000 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x00000000f2685ee4 to 0xc000 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x00000000c4fc484d to 0x10000 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x00000000a6d3c9bf to 0x14000 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x000000007404dc0f to 0x18000 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw last chunk (5744 B) > 0x00000000d7beb1f6 to 0x1c000 > Dec 11 20:18:13 hikey kernel: wlcore: chunk 13 addr 0x100000 len 131072 > Dec 11 20:18:13 hikey kernel: wlcore: starting firmware upload > Dec 11 20:18:13 hikey kernel: wlcore: fw_data_len 131072 chunk_size 16384 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x00000000c3cad69f to 0x100000 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x00000000a9e4f338 to 0x104000 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x000000003169e0a1 to 0x108000 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x00000000cc5b7549 to 0x10c000 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x000000009c0bb98a to 0x110000 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x00000000f4d0b2c2 to 0x114000 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x0000000026e1d203 to 0x118000 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x00000000a3905e9c to 0x11c000 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw last chunk (0 B) > 0x00000000f0c022b6 to 0x120000 > Dec 11 20:18:13 hikey kernel: wlcore: chunk 12 addr 0x20400000 len 52600 > Dec 11 20:18:13 hikey kernel: wlcore: starting firmware upload > Dec 11 20:18:13 hikey kernel: wlcore: fw_data_len 52600 chunk_size 16384 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x000000004f52801e to 0x20400000 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x0000000066503358 to 0x20404000 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x00000000433fff1b to 0x20408000 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw last chunk (3448 B) > 0x00000000a38c9bd9 to 0x2040c000 > Dec 11 20:18:13 hikey kernel: wlcore: chunk 11 addr 0xb00000 len 536 > Dec 11 20:18:13 hikey kernel: wlcore: starting firmware upload > Dec 11 20:18:13 hikey kernel: wlcore: fw_data_len 536 chunk_size 16384 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw last chunk (536 B) > 0x00000000ced82f93 to 0xb00000 > Dec 11 20:18:13 hikey kernel: wlcore: chunk 10 addr 0xb0ae40 len 28120 > Dec 11 20:18:13 hikey kernel: wlcore: starting firmware upload > Dec 11 20:18:13 hikey kernel: wlcore: fw_data_len 28120 chunk_size 16384 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x00000000d6832925 to 0xb0ae40 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw last chunk (11736 > B) 0x0000000037ae96d5 to 0xb0ee40 > Dec 11 20:18:13 hikey kernel: wlcore: chunk 9 addr 0x80900000 len 61140 > Dec 11 20:18:13 hikey kernel: wlcore: starting firmware upload > Dec 11 20:18:13 hikey kernel: wlcore: fw_data_len 61140 chunk_size 16384 > Dec 11 20:18:13 hikey kernel: wlcore: uploading fw chunk > 0x0000000096b9ba67 to 0x80900000 -------> hangs > > See the missing 'mmc_host mmc2' messages, which probably indicates > that mmc_host wasn't properly set after the down/up sequence, causing > the hang when uploading the firmware. Tried to change back wl12xx_sdio_power_off to use pm_runtime_put_sync as a test, and noticed I always get -EBUSY when reproducing the hang, so it looks like this could be a race between pm_runtime_put/get when doing if down/up (and the side effect on the mmc controller). Cheers, -- Ricardo Salveti de Araujo
