* Adam Ford <aford173@xxxxxxxxx> [200613 02:28]: > Is anyone else having DSS failures on the 5.7 stable branch using an > omap3 board? > > I haven't had time to bisect yet, but before I do I thought I'd ask. Sounds this might be caused by some panel related between v5.6 and v5.7, so adding Laurent to Cc. We also started dropping legacy platform data for some SoCs, but that should not affect omap3 so far. Regards, Tony > 10.370574] ------------[ cut here ]------------ > [ 10.375335] WARNING: CPU: 0 PID: 71 at > drivers/gpu/drm/bridge/panel.c:176 drm_panel_bridge_add+0x40/0x4c > [drm_kms_helper] > [ 10.386474] Modules linked in: joydev mousedev evdev leds_gpio > pwm_bl panel_simple snd_soc_omap_twl4030 pwm_omap_dmtimer led_class > gpio_keys cpufreq_dt snd_soc_omap_mcbsp bq27xxx_battery_hdq > snd_soc_ti_sdma bq27xxx_battery omap_wdt omap3_isp > videobuf2_dma_contig videobuf2_memops omap_hdq videobuf2_v4l2 > omap_sham videobuf2_common v4l2_fwnode wire cn hwmon mt9p031 > aptina_pll phy_twl4030_usb omap_aes_driver omap2430 crypto_engine > omap_crypto musb_hdrc hci_uart omap_rng btbcm wlcore_sdio udc_core > rng_core videodev omap_mailbox mc usbcore snd_soc_twl4030 twl4030_wdt > usb_common watchdog rtc_twl snd_soc_core snd_pcm_dmaengine bluetooth > snd_pcm snd_timer twl4030_pwrbutton snd omapdss pwm_twl_led > twl4030_charger ecdh_generic soundcore ecc omapdss_base industrialio > libaes pwm_twl drm_kms_helper tsc2004 at24 tsc200x_core cfbfillrect > omap_ssi syscopyarea cfbimgblt hsi sysfillrect sysimgblt fb_sys_fops > cfbcopyarea drm drm_panel_orientation_quirks cec > [ 10.470123] CPU: 0 PID: 71 Comm: kworker/0:3 Not tainted 5.7.2-dirty #2 > [ 10.476776] Hardware name: Generic OMAP36xx (Flattened Device Tree) > [ 10.483093] Workqueue: events deferred_probe_work_func > [ 10.488281] [<c01119f8>] (unwind_backtrace) from [<c010ba28>] > (show_stack+0x10/0x14) > [ 10.496063] [<c010ba28>] (show_stack) from [<c054dd30>] > (dump_stack+0xc0/0xdc) > [ 10.503326] [<c054dd30>] (dump_stack) from [<c01389f4>] (__warn+0xc0/0xf8) > [ 10.510223] [<c01389f4>] (__warn) from [<c0138d8c>] > (warn_slowpath_fmt+0x5c/0xc0) > [ 10.517822] [<c0138d8c>] (warn_slowpath_fmt) from [<bf0d4810>] > (drm_panel_bridge_add+0x40/0x4c [drm_kms_helper]) > [ 10.528106] [<bf0d4810>] (drm_panel_bridge_add [drm_kms_helper]) > from [<bf1258fc>] (omapdss_device_init_output+0x7c/0x780 > [omapdss_base]) > [ 10.540618] [<bf1258fc>] (omapdss_device_init_output > [omapdss_base]) from [<bf14aecc>] (dpi_init_port+0x188/0x288 > [omapdss]) > [ 10.551971] [<bf14aecc>] (dpi_init_port [omapdss]) from > [<bf142240>] (dss_probe+0x29c/0x578 [omapdss]) > [ 10.561370] [<bf142240>] (dss_probe [omapdss]) from [<c063dd0c>] > (platform_drv_probe+0x48/0x98) > [ 10.570129] [<c063dd0c>] (platform_drv_probe) from [<c063bce4>] > (really_probe+0x1d8/0x344) > [ 10.578430] [<c063bce4>] (really_probe) from [<c063bf60>] > (driver_probe_device+0x5c/0x164) > [ 10.586730] [<c063bf60>] (driver_probe_device) from [<c063a128>] > (bus_for_each_drv+0x80/0xcc) > [ 10.595306] [<c063a128>] (bus_for_each_drv) from [<c063ba90>] > (__device_attach+0xd4/0x148) > [ 10.603607] [<c063ba90>] (__device_attach) from [<c063adfc>] > (bus_probe_device+0x84/0x8c) > [ 10.611816] [<c063adfc>] (bus_probe_device) from [<c063b288>] > (deferred_probe_work_func+0x60/0x8c) > [ 10.620819] [<c063b288>] (deferred_probe_work_func) from > [<c01553b4>] (process_one_work+0x1ec/0x530) > [ 10.630004] [<c01553b4>] (process_one_work) from [<c0155728>] > (worker_thread+0x30/0x558) > [ 10.638153] [<c0155728>] (worker_thread) from [<c015c048>] > (kthread+0x134/0x148) > [ 10.645568] [<c015c048>] (kthread) from [<c0100168>] > (ret_from_fork+0x14/0x2c) > [ 10.652832] Exception stack(0xcc84bfb0 to 0xcc84bff8) > [ 10.657897] bfa0: 00000000 > 00000000 00000000 00000000 > [ 10.666137] bfc0: 00000000 00000000 00000000 00000000 00000000 > 00000000 00000000 00000000 > [ 10.674346] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 > [ 10.681060] ---[ end trace 9571aa0bd994d08b ]--- > [ 10.967132] cfg80211: Loading compiled-in X.509 certificates for > regulatory database > [ 11.284881] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' > [ 11.867645] ------------[ cut here ]------------ > [ 11.872619] WARNING: CPU: 0 PID: 15 at > drivers/gpu/drm/bridge/panel.c:176 drm_panel_bridge_add+0x40/0x4c > [drm_kms_helper] > [ 11.883819] Modules linked in: wl12xx wlcore mac80211 libarc4 > sha256_generic libsha256 sha256_arm cfg80211 joydev mousedev evdev > leds_gpio pwm_bl panel_simple snd_soc_omap_twl4030 pwm_omap_dmtimer > led_class gpio_keys cpufreq_dt snd_soc_omap_mcbsp bq27xxx_battery_hdq > snd_soc_ti_sdma bq27xxx_battery omap_wdt omap3_isp > videobuf2_dma_contig videobuf2_memops omap_hdq videobuf2_v4l2 > omap_sham videobuf2_common v4l2_fwnode wire cn hwmon mt9p031 > aptina_pll phy_twl4030_usb omap_aes_driver omap2430 crypto_engine > omap_crypto musb_hdrc hci_uart omap_rng btbcm wlcore_sdio udc_core > rng_core videodev omap_mailbox mc usbcore snd_soc_twl4030 twl4030_wdt > usb_common watchdog rtc_twl snd_soc_core snd_pcm_dmaengine bluetooth > snd_pcm snd_timer twl4030_pwrbutton snd omapdss pwm_twl_led > twl4030_charger ecdh_generic soundcore ecc omapdss_base industrialio > libaes pwm_twl drm_kms_helper tsc2004 at24 tsc200x_core cfbfillrect > omap_ssi syscopyarea cfbimgblt hsi sysfillrect sysimgblt fb_sys_fops > cfbcopyarea drm > [ 11.884246] drm_panel_orientation_quirks cec > [ 11.976013] CPU: 0 PID: 15 Comm: kworker/0:1 Tainted: G W > 5.7.2-dirty #2 > [ 11.984069] Hardware name: Generic OMAP36xx (Flattened Device Tree) > [ 11.990417] Workqueue: events deferred_probe_work_func > [ 11.995635] [<c01119f8>] (unwind_backtrace) from [<c010ba28>] > (show_stack+0x10/0x14) > [ 12.003448] [<c010ba28>] (show_stack) from [<c054dd30>] > (dump_stack+0xc0/0xdc) > [ 12.010742] [<c054dd30>] (dump_stack) from [<c01389f4>] (__warn+0xc0/0xf8) > [ 12.017669] [<c01389f4>] (__warn) from [<c0138d8c>] > (warn_slowpath_fmt+0x5c/0xc0) > [ 12.025360] [<c0138d8c>] (warn_slowpath_fmt) from [<bf0d4810>] > (drm_panel_bridge_add+0x40/0x4c [drm_kms_helper]) > [ 12.035766] [<bf0d4810>] (drm_panel_bridge_add [drm_kms_helper]) > from [<bf1258fc>] (omapdss_device_init_output+0x7c/0x780 > [omapdss_base]) > [ 12.048400] [<bf1258fc>] (omapdss_device_init_output > [omapdss_base]) from [<bf14aecc>] (dpi_init_port+0x188/0x288 > [omapdss]) > [ 12.059906] [<bf14aecc>] (dpi_init_port [omapdss]) from > [<bf142240>] (dss_probe+0x29c/0x578 [omapdss]) > [ 12.069396] [<bf142240>] (dss_probe [omapdss]) from [<c063dd0c>] > (platform_drv_probe+0x48/0x98) > [ 12.078186] [<c063dd0c>] (platform_drv_probe) from [<c063bce4>] > (really_probe+0x1d8/0x344) > [ 12.086517] [<c063bce4>] (really_probe) from [<c063bf60>] > (driver_probe_device+0x5c/0x164) > [ 12.094848] [<c063bf60>] (driver_probe_device) from [<c063a128>] > (bus_for_each_drv+0x80/0xcc) > [ 12.103454] [<c063a128>] (bus_for_each_drv) from [<c063ba90>] > (__device_attach+0xd4/0x148) > [ 12.111785] [<c063ba90>] (__device_attach) from [<c063adfc>] > (bus_probe_device+0x84/0x8c) > [ 12.120025] [<c063adfc>] (bus_probe_device) from [<c063b288>] > (deferred_probe_work_func+0x60/0x8c) > [ 12.129058] [<c063b288>] (deferred_probe_work_func) from > [<c01553b4>] (process_one_work+0x1ec/0x530) > [ 12.138275] [<c01553b4>] (process_one_work) from [<c0155728>] > (worker_thread+0x30/0x558) > [ 12.146423] [<c0155728>] (worker_thread) from [<c015c048>] > (kthread+0x134/0x148) > [ 12.153900] [<c015c048>] (kthread) from [<c0100168>] > (ret_from_fork+0x14/0x2c) > [ 12.161163] Exception stack(0xce1d7fb0 to 0xce1d7ff8) > [ 12.166259] 7fa0: 00000000 > 00000000 00000000 00000000 > [ 12.174530] 7fc0: 00000000 00000000 00000000 00000000 00000000 > 00000000 00000000 00000000 > [ 12.182769] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000 > [ 12.189544] ---[ end trace 9571aa0bd994d08c ]--- > > > Thanks for any suggestions. I'll bisect when I have more time. > > adam