Hello, Since about kernel 5.19 onwards, usb/musb does not work properly on the Nokia N900, with the following showing up in dmesg: [ 1.389648] musb-hdrc musb-hdrc.0.auto: error -ENXIO: IRQ mc not found resulting in the charger auto-detection (via isp1704_charger driver) and usb gadgets not working due to absence of the usb phy as defined in dts: [ 13.996551] isp1704_charger isp1707: isp1704_test_ulpi failed [ 13.996612] isp1704_charger isp1707: failed to register isp1704 with error -22 [ 13.996643] isp1704_charger: probe of isp1707 failed with error -22 I have tried to bisect, but due to inexperience and lack of proper tooling (e.g. no serial console), I have not been able to pinpoint the cause of the error so far. However, on linux 6.0 with cf081d009c447647 reverted, there is a more detailed trace in dmesg - the same trace appeared in other kernel versions while bisecting: [ 2.028228] Skipping twl internal clock init and using bootloader value (unknown osc rate) [ 2.042419] twl 1-0048: PIH (irq 23) chaining IRQs 145..153 [ 2.048217] twl 1-0048: power (irq 150) chaining IRQs 153..160 [ 2.120635] twl4030_gpio twl4030-gpio: gpio (irq 145) chaining IRQs 161..178 [ 2.211456] twl4030_usb 48070000.i2c:twl@48:twl4030-usb: Initialized TWL4030 USB module [ 2.223114] input: twl4030_pwrbutton as /devices/platform/68000000.ocp/48070000.i2c/i2c-1/1-0048/48070000.i2c:twl@48:pwrbutton/input/input0 [ 2.237854] input: TWL4030 Keypad as /devices/platform/68000000.ocp/48070000.i2c/i2c-1/1-0048/48070000.i2c:twl@48:keypad/input/input1 [ 2.296508] omap_i2c 48070000.i2c: bus 1 rev3.3 at 2200 kHz [ 2.324401] bq2415x-charger 2-006b: automode supported, waiting for events [ 2.332580] bq2415x-charger 2-006b: driver registered [ 2.337860] omap_i2c 48072000.i2c: bus 2 rev3.3 at 100 kHz [ 2.346435] omap_i2c 48060000.i2c: bus 3 rev3.3 at 400 kHz [ 2.357330] ti-sysc 480cb024.target-module: sysc_flags 00000100 != 00000110 [ 2.365631] smartreflex 480cb000.smartreflex: omap_sr_probe: SmartReflex driver initialized [ 2.375152] ti-sysc 480c9024.target-module: sysc_flags 00000100 != 00000110 [ 2.383392] smartreflex 480c9000.smartreflex: omap_sr_probe: SmartReflex driver initialized [ 2.393707] omapdss_dss 48050000.dss: supply vdda_video not found, using dummy regulator [ 2.407470] ------------[ cut here ]------------ [ 2.412170] WARNING: CPU: 0 PID: 25 at arch/arm/mach-omap2/omap_hwmod.c:1886 _enable+0x16f/0x170 [ 2.421051] omap_hwmod: usb_otg_hs: enabled state can only be entered from initialized, idle, or disabled state [ 2.431182] Modules linked in: [ 2.434295] CPU: 0 PID: 25 Comm: kworker/u2:2 Not tainted 6.0.0-nokia-n900+ #1 [ 2.441558] Hardware name: Nokia RX-51 board [ 2.445861] Workqueue: events_unbound deferred_probe_work_func [ 2.451782] unwind_backtrace from show_stack+0xb/0xc [ 2.456909] show_stack from dump_stack_lvl+0x2b/0x34 [ 2.462036] dump_stack_lvl from __warn+0xa1/0xf4 [ 2.466827] __warn from warn_slowpath_fmt+0x53/0x74 [ 2.471832] warn_slowpath_fmt from _enable+0x16f/0x170 [ 2.477142] _enable from omap_hwmod_enable+0x19/0x2c [ 2.482238] omap_hwmod_enable from omap_device_enable+0x25/0x58 [ 2.488342] omap_device_enable from _od_runtime_resume+0xb/0x2c [ 2.494415] _od_runtime_resume from __rpm_callback+0x33/0x104 [ 2.500305] __rpm_callback from rpm_callback+0x49/0x58 [ 2.505584] rpm_callback from rpm_resume+0x469/0x630 [ 2.510711] rpm_resume from __pm_runtime_resume+0x21/0x4c [ 2.516235] __pm_runtime_resume from musb_probe+0x2b7/0x9f4 [ 2.521972] musb_probe from platform_probe+0x3d/0x78 [ 2.527130] platform_probe from really_probe+0x81/0x1d8 [ 2.532501] really_probe from __driver_probe_device+0x53/0x90 [ 2.538391] __driver_probe_device from driver_probe_device+0x2d/0xc8 [ 2.544891] driver_probe_device from __device_attach_driver+0x4f/0xa0 [ 2.551513] __device_attach_driver from bus_for_each_drv+0x4b/0x80 [ 2.557830] bus_for_each_drv from __device_attach+0x6b/0x118 [ 2.563659] __device_attach from bus_probe_device+0x55/0x5c [ 2.569366] bus_probe_device from deferred_probe_work_func+0x51/0x74 [ 2.575866] deferred_probe_work_func from process_one_work+0x153/0x35c [ 2.582580] process_one_work from worker_thread+0x221/0x3d4 [ 2.588287] worker_thread from kthread+0xad/0xc0 [ 2.593048] kthread from ret_from_fork+0x11/0x20 [ 2.597808] Exception stack(0xd0085fb0 to 0xd0085ff8) [ 2.602905] 5fa0: 00000000 00000000 00000000 00000000 [ 2.611145] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 2.619384] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 2.626068] ---[ end trace 0000000000000000 ]--- [ 2.630920] musb-hdrc musb-hdrc.0.auto: use pm_runtime_put_sync_suspend() in driver? [ 2.658966] omap-dma-engine 48056000.dma-controller: OMAP DMA engine driver [ 2.667205] omapdss_dss 48050000.dss: supply vdda_video not found, using dummy regulator [ 2.693725] panel-sony-acx565akm spi0.2: acx565akm rev 8d panel detected [ 2.708526] omapdss_dss 48050000.dss: supply vdda_video not found, using dummy regulator [ 2.718780] DSS: OMAP DSS rev 2.0 [ 2.725555] omapdss_dss 48050000.dss: bound 48050400.dispc (ops 0xc0755c14) [ 2.732849] omapdss_dss 48050000.dss: bound 48050c00.encoder (ops 0xc075718c) [ 2.740783] omapdrm omapdrm.0: DMM not available, disable DMM support [ 2.876770] Console: switching to colour frame buffer device 100x30 [ 2.899505] omapdrm omapdrm.0: [drm] fb0: omapdrmdrmfb frame buffer device [ 2.908996] [drm] Initialized omapdrm 1.0.0 20110917 for omapdrm.0 on minor 0 [ 2.920867] input: gpio_keys as /devices/platform/gpio_keys/input/input2 [ 2.933471] Waiting for root device /dev/mmcblk0p2... [ 2.944427] mmc0: host does not support reading read-only switch, assuming write-enable [ 2.958496] mmc0: new high speed SDHC card at address aaaa [ 2.966064] mmcblk0: mmc0:aaaa SB16G 14.8 GiB [ 2.979248] mmcblk0: p1 p2 [ 3.012023] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Quota mode: none. [ 3.020904] VFS: Mounted root (ext4 filesystem) readonly on device 179:2. [ 3.032135] devtmpfs: mounted [ 3.038482] Freeing unused kernel image (initmem) memory: 1024K [ 3.045288] Run /sbin/init as init process [ 3.049438] with arguments: [ 3.052459] /sbin/init [ 3.055206] verbose [ 3.057678] earlyprintk [ 3.060516] with environment: [ 3.063720] HOME=/ [ 3.066101] TERM=linux [ 3.495910] mmc1: switch to bus width 8 failed [ 3.504364] mmc1: switch to bus width 4 failed [ 3.508911] mmc1: new high speed MMC card at address 0001 [ 3.518463] mmcblk1: mmc1:0001 MMC32G 29.8 GiB [ 3.536773] mmcblk1: p1 p2 p3 [ 3.549835] mmcblk1boot0: mmc1:0001 MMC32G 512 KiB [ 3.560150] mmcblk1boot1: mmc1:0001 MMC32G 512 KiB [ 9.548645] udevd[581]: starting version 3.2.11 [ 9.600891] random: udevd: uninitialized urandom read (16 bytes read) [ 9.622772] random: udevd: uninitialized urandom read (16 bytes read) [ 9.637207] random: udevd: uninitialized urandom read (16 bytes read) [ 9.856475] udevd[581]: starting eudev-3.2.11 [ 11.152282] omap_ssi 48058000.ssi-controller: ssi controller 0 initialized (1 ports)! [ 11.248077] omap_ssi_port 4805a000.ssi-port: ssi port 0 successfully initialized [ 11.297088] mc: Linux media interface: v0.10 [ 11.551513] videodev: Linux video capture interface: v2.00 [ 11.575164] st-accel-i2c 3-001d: supply vdd not found, using dummy regulator [ 11.575653] st-accel-i2c 3-001d: supply vddio not found, using dummy regulator [ 11.601226] twl4030_madc 48070000.i2c:twl@48:madc: supply vusb3v1 not found, using dummy regulator [ 11.604370] iio iio:device1: lis3lv02dl_accel: WhoAmI mismatch (0x3b). [ 11.605316] st-accel-i2c: probe of 3-001d failed with error -22 [ 11.610137] et8ek8 3-003e: could not get clock [ 11.614166] et8ek8 3-003e: could not get clock [ 11.620147] input: twl4030:vibrator as /devices/platform/68000000.ocp/48070000.i2c/i2c-1/1-0048/48070000.i2c:twl@48:audio/twl4030-vibra/input/input3 [ 11.637939] et8ek8 3-003e: could not get clock [ 11.640319] et8ek8 3-003e: could not get clock [ 11.875732] Bluetooth: Core ver 2.22 [ 11.875976] NET: Registered PF_BLUETOOTH protocol family [ 11.876007] Bluetooth: HCI device and connection manager initialized [ 11.876037] Bluetooth: HCI socket layer initialized [ 11.876098] Bluetooth: L2CAP socket layer initialized [ 11.876159] Bluetooth: SCO socket layer initialized [ 11.980773] Bluetooth: HCI UART driver ver 2.3 [ 11.980834] Bluetooth: HCI UART protocol H4 registered [ 11.980865] Bluetooth: HCI UART protocol BCSP registered [ 11.981109] Bluetooth: HCI UART protocol LL registered [ 11.981231] Bluetooth: HCI UART protocol Three-wire (H5) registered [ 11.981842] Bluetooth: HCI UART protocol Broadcom registered [ 12.106048] twl_rtc 48070000.i2c:twl@48:rtc: Enabling TWL-RTC [ 12.117828] twl_rtc 48070000.i2c:twl@48:rtc: registered as rtc0 [ 12.118835] et8ek8 3-003e: could not get clock [ 12.144348] twl_rtc 48070000.i2c:twl@48:rtc: setting system clock to 2022-10-09T20:13:12 UTC (1665346392) [ 12.146606] et8ek8 3-003e: could not get clock [ 12.171386] et8ek8 3-003e: could not get clock [ 12.290863] et8ek8 3-003e: could not get clock [ 12.327453] tsl2563 2-0029: model 7, rev. 0 [ 12.349700] et8ek8 3-003e: could not get clock [ 12.473937] omap-mailbox 48094000.mailbox: omap mailbox rev 0x40 [ 12.475982] et8ek8 3-003e: could not get clock [ 12.649261] nokia-bluetooth serial0-0: Direct firmware load for nokia/bcmfw.bin failed with error -2 [ 12.649322] nokia-bluetooth serial0-0: Falling back to sysfs fallback for: nokia/bcmfw.bin [ 12.733245] input: TSC2005 touchscreen as /devices/platform/68000000.ocp/48098000.spi/spi_master/spi0/spi0.0/input/input4 [ 12.738037] et8ek8 3-003e: could not get clock [ 12.791809] et8ek8 3-003e: could not get clock [ 12.843292] et8ek8 3-003e: could not get clock [ 12.869140] et8ek8 3-003e: could not get clock [ 13.299072] omap3isp 480bc000.isp: supply vdd-csiphy1 not found, using dummy regulator [ 13.299621] omap3isp 480bc000.isp: supply vdd-csiphy2 not found, using dummy regulator [ 13.300201] omap3isp 480bc000.isp: Revision 2.0 found [ 13.301574] omap-iommu 480bd400.mmu: 480bd400.mmu: version 1.1 [ 13.302398] omap3isp 480bc000.isp: Entity type for entity OMAP3 ISP CCP2 was not initialized! [ 13.303192] omap3isp 480bc000.isp: Entity type for entity OMAP3 ISP CSI2a was not initialized! [ 13.309600] omap3isp 480bc000.isp: Entity type for entity OMAP3 ISP CCDC was not initialized! [ 13.310241] omap3isp 480bc000.isp: Entity type for entity OMAP3 ISP preview was not initialized! [ 13.312164] omap3isp 480bc000.isp: Entity type for entity OMAP3 ISP resizer was not initialized! [ 13.325134] omap3isp 480bc000.isp: Entity type for entity OMAP3 ISP AEWB was not initialized! [ 13.325195] omap3isp 480bc000.isp: Entity type for entity OMAP3 ISP AF was not initialized! [ 13.325225] omap3isp 480bc000.isp: Entity type for entity OMAP3 ISP histogram was not initialized! [ 13.327239] et8ek8 3-003e: Consider updating driver et8ek8 to match on endpoints [ 13.366394] et8ek8 3-003e: meta_reglist version V14 03-June-2008 [ 13.530609] omap_i2c 48072000.i2c: controller timed out [ 13.634216] si4713 2-0063: chip found @ 0xc6 (OMAP I2C adapter) [ 13.700683] lp5523x 2-0032: lp5523 Programmable led chip found [ 13.739868] omap-sham 480c3000.sham: hw accel on OMAP rev 0.9 [ 13.763031] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 13.781402] omap-sham 480c3000.sham: will run requests pump with realtime priority [ 13.870727] omap_wdt: OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec [ 14.202880] 8<--- cut here --- [ 14.202911] Unhandled fault: external abort on non-linefetch (0x1028) at 0xfa0ab001 [ 14.202941] [fa0ab001] *pgd=48011452(bad) [ 14.203002] Internal error: : 1028 [#1] SMP THUMB2 [ 14.207824] Modules linked in: isp1704_charger(+) pwm_omap_dmtimer cpufreq_dt snd_soc_omap_mcbsp snd_soc_ti_sdma omap_wdt omap_sham crypto_engine cfg80211(+) omap3_isp videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_common snd_soc_tlv320aic3x_i2c snd_soc_tlv320aic3x snd_soc_tpa6130a2 tsc2005 regmap_spi tsc200x_core snd_soc_core snd_pcm_dmaengine si4713 snd_pcm snd_timer omap_mailbox leds_lp5523 bq27xxx_battery_i2c leds_lp55xx_common bq27xxx_battery snd soundcore led_class tsl2563 twl4030_wdt rtc_twl hci_nokia hci_uart btbcm bluetooth pwm_twl_led twl4030_vibra et8ek8 pwm_twl ad5820 ff_memless v4l2_fwnode v4l2_async st_accel_i2c twl4030_madc st_sensors_i2c st_accel industrialio_triggered_buffer kfifo_buf ecdh_generic st_sensors ecc rfkill industrialio videodev libaes mc omap_ssi hsi [ 14.279235] CPU: 0 PID: 614 Comm: udevd Tainted: G W 6.0.0-nokia-n900+ #1 [ 14.287475] Hardware name: Nokia RX-51 board [ 14.291778] PC is at musb_default_readb+0x4/0x4c [ 14.296478] LR is at musb_ulpi_write+0x25/0x94 [ 14.300964] pc : [<c053fc0c>] lr : [<c053f86d>] psr: 00000033 [ 14.307250] sp : d0431d88 ip : 00000000 fp : 00000000 [ 14.312530] r10: 0000017b r9 : 00000016 r8 : 000000aa [ 14.317779] r7 : c1f87840 r6 : fa0ab000 r5 : c0bed1c8 r4 : c31831c0 [ 14.324340] r3 : c053fc09 r2 : 00000000 r1 : 00000001 r0 : fa0ab000 [ 14.330902] Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA Thumb Segment none [ 14.338287] Control: 50c5387d Table: 82a64019 DAC: 00000051 [ 14.344055] Register r0 information: 0-page vmalloc region starting at 0xfa000000 allocated at iotable_init+0x1/0xbe [ 14.354675] Register r1 information: non-paged memory [ 14.359771] Register r2 information: NULL pointer [ 14.364501] Register r3 information: non-slab/vmalloc memory [ 14.370239] Register r4 information: slab kmalloc-192 start c3183180 pointer offset 64 size 192 [ 14.379028] Register r5 information: non-slab/vmalloc memory [ 14.384735] Register r6 information: 0-page vmalloc region starting at 0xfa000000 allocated at iotable_init+0x1/0xbe [ 14.395324] Register r7 information: slab kmalloc-512 start c1f87800 pointer offset 64 size 512 [ 14.404144] Register r8 information: non-paged memory [ 14.409240] Register r9 information: non-paged memory [ 14.414306] Register r10 information: non-paged memory [ 14.419494] Register r11 information: NULL pointer [ 14.424316] Register r12 information: NULL pointer [ 14.429168] Process udevd (pid: 614, stack limit = 0x(ptrval)) [ 14.435028] Stack: (0xd0431d88 to 0xd0432000) [ 14.439422] 1d80: c31831c0 c0bed1c8 c31831c0 c053f86d c053f849 c31831c0 [ 14.447662] 1da0: c1f87840 00000000 c1a76810 c1a76800 c1d420c0 bfa09145 00000000 00000000 [ 14.455902] 1dc0: 00000000 00000000 00000000 00000000 00000000 6d57280d 00000000 c1a76810 [ 14.464141] 1de0: bfa0b014 00000000 c36c1838 c04c8739 c1a76810 00000000 bfa0b014 c04c6d1d [ 14.472381] 1e00: 00000000 c1a76810 bfa0b014 c1a76810 00000058 c04c6ec7 00000001 c0bebbfc [ 14.480621] 1e20: bfa0b014 c04c6f31 c1a76810 bfa0b014 c1a76854 00000000 c36c1838 c04c73bf [ 14.488861] 1e40: 00000000 bfa0b014 c04c7375 c04c590d d0431e70 c1833e58 c1a6d834 6d57280d [ 14.497070] 1e60: bfa0b014 c36c1800 c0b8ecf0 c04c6593 bfa0a1b4 bfa0b0cc bfa0b014 00000000 [ 14.505310] 1e80: c1d420c0 0000017b 00000000 c04c7bfb bfa0b000 c0bb1620 bfa23001 c0101c4d [ 14.513549] 1ea0: 7fffffff c0278d35 00000000 00000000 00000000 00000000 6e72656b 00006c65 [ 14.521789] 1ec0: 00000000 00000000 00000000 00000000 00000000 00000000 00000008 00000000 [ 14.530029] 1ee0: 00000000 bfa0b0c0 d0117000 6d57280d bfa0b0c0 c357ae80 b6f1af94 0000017b [ 14.538269] 1f00: c01002a0 c017b177 0000017b c01002a0 00000000 d0117000 b6f1af94 c017cba9 [ 14.546508] 1f20: d0431f34 7fffffff 00000000 00000002 00000002 d0117000 d0117d81 d0118580 [ 14.554748] 1f40: d0117000 00002ed8 d01198c0 d011973c d0118ea0 00003000 000030e0 00003bac [ 14.562957] 1f60: 00003193 00000000 00000000 00000000 00000000 00000000 00003b9c 00000024 [ 14.571197] 1f80: 00000025 0000001d 00000016 00000015 00000000 6d57280d 00020000 00000000 [ 14.579437] 1fa0: 0000017b c0100061 00020000 00000000 00000007 b6f1af94 00000000 b6f2c320 [ 14.587677] 1fc0: 00020000 00000000 0000017b 0000017b b6ead110 00454974 00000000 00000000 [ 14.595916] 1fe0: b6f1af94 beb71918 b6f15fe1 b6faa93e 40000030 00000007 00000000 00000000 [ 14.604156] musb_default_readb from musb_ulpi_write+0x25/0x94 [ 14.610046] musb_ulpi_write from isp1704_charger_probe+0xa9/0x308 [isp1704_charger] [ 14.617919] isp1704_charger_probe [isp1704_charger] from platform_probe+0x3d/0x78 [ 14.625610] platform_probe from really_probe+0x81/0x1d8 [ 14.630981] really_probe from __driver_probe_device+0x53/0x90 [ 14.636871] __driver_probe_device from driver_probe_device+0x2d/0xc8 [ 14.643371] driver_probe_device from __driver_attach+0x4b/0xec [ 14.649353] __driver_attach from bus_for_each_dev+0x3d/0x70 [ 14.655059] bus_for_each_dev from bus_add_driver+0xe7/0x154 [ 14.660766] bus_add_driver from driver_register+0x43/0xac [ 14.666320] driver_register from do_one_initcall+0x35/0x150 [ 14.672027] do_one_initcall from do_init_module+0x33/0x158 [ 14.677673] do_init_module from sys_finit_module+0x71/0xa8 [ 14.683319] sys_finit_module from ret_fast_syscall+0x1/0x5c [ 14.689025] Exception stack(0xd0431fa8 to 0xd0431ff0) [ 14.694122] 1fa0: 00020000 00000000 00000007 b6f1af94 00000000 b6f2c320 [ 14.702362] 1fc0: 00020000 00000000 0000017b 0000017b b6ead110 00454974 00000000 00000000 [ 14.710571] 1fe0: b6f1af94 beb71918 b6f15fe1 b6faa93e [ 14.715667] Code: f8b3 e7e5 b510 b082 (5c44) f645 [ 14.720520] ---[ end trace 0000000000000000 ]--- [ 14.725189] In-band Error seen by MPU at address 0 [ 14.730102] ------------[ cut here ]------------ [ 14.734741] WARNING: CPU: 0 PID: 614 at drivers/bus/omap_l3_smx.c:152 omap3_l3_app_irq+0xf3/0xf8 [ 14.743621] Modules linked in: isp1704_charger(+) pwm_omap_dmtimer cpufreq_dt snd_soc_omap_mcbsp snd_soc_ti_sdma omap_wdt omap_sham crypto_engine cfg80211(+) omap3_isp videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_common snd_soc_tlv320aic3x_i2c snd_soc_tlv320aic3x snd_soc_tpa6130a2 tsc2005 regmap_spi tsc200x_core snd_soc_core snd_pcm_dmaengine si4713 snd_pcm snd_timer omap_mailbox leds_lp5523 bq27xxx_battery_i2c leds_lp55xx_common bq27xxx_battery snd soundcore led_class tsl2563 twl4030_wdt rtc_twl hci_nokia hci_uart btbcm bluetooth pwm_twl_led twl4030_vibra et8ek8 pwm_twl ad5820 ff_memless v4l2_fwnode v4l2_async st_accel_i2c twl4030_madc st_sensors_i2c st_accel industrialio_triggered_buffer kfifo_buf ecdh_generic st_sensors ecc rfkill industrialio videodev libaes mc omap_ssi hsi [ 14.815002] CPU: 0 PID: 614 Comm: udevd Tainted: G D W 6.0.0-nokia-n900+ #1 [ 14.823211] Hardware name: Nokia RX-51 board [ 14.827514] unwind_backtrace from show_stack+0xb/0xc [ 14.832641] show_stack from dump_stack_lvl+0x2b/0x34 [ 14.837768] dump_stack_lvl from __warn+0xa1/0xf4 [ 14.842529] __warn from warn_slowpath_fmt+0x3f/0x74 [ 14.847534] warn_slowpath_fmt from omap3_l3_app_irq+0xf3/0xf8 [ 14.853424] omap3_l3_app_irq from __handle_irq_event_percpu+0x3f/0x128 [ 14.860137] __handle_irq_event_percpu from handle_irq_event+0x35/0x60 [ 14.866729] handle_irq_event from handle_level_irq+0x73/0x108 [ 14.872619] handle_level_irq from generic_handle_domain_irq+0x17/0x20 [ 14.879211] generic_handle_domain_irq from generic_handle_arch_irq+0x27/0x34 [ 14.886444] generic_handle_arch_irq from call_with_stack+0xd/0x10 [ 14.892669] ---[ end trace 0000000000000000 ]--- I would appreciate any pointers to track down this issue. Regards Sicelo Mhlongo
