On Wed, Jun 5, 2019 at 6:08 AM Robin Gong <yibin.gong@xxxxxxx> wrote: > > Hi Sven, > I met below crash on v5.2-rc1 and found it's related with commit 728e0fbf263e, after googled, the latest > Linux-next should fix the issue, please check https://lkml.org/lkml/2019/6/3/1405. > After I rebased to the latest linux-next, no such issue but still another crash issue after kernel bootup, I believe that's > Caused by NFS, because the issue is gone if I mount to mmc rootfs instead of NFS. I don't think it's related with > Sdma firmware download, but seems your issue is different with mine. Anyway, could you try the latest linux-next? I tried the latest linux-next (b2924447b98afa42f13f16b1a4786f0872a2fc37) but the same issue remains: kernel crashes on boot if sdma firmware is loaded. kernel boots normally if using sdma firmware in rom. Crash log: [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.2.0-rc3-next-20190605-00042-g1a0686c7a5d2 (sva@svens-asus) (gcc version 7.3.1 20180425 [linaro-7.3-2018.05 revision d29120a424ecfbc167ef90065c0eeb7f91977701] (Linaro GCC 7.3-2018.05)) #1 SMP Wed Jun 5 09:33:56 EDT 2019 <snip> [ 1.337525] imx-sdma 20ec000.sdma: loaded firmware 3.3 [ 1.339537] random: fast init done [ 1.346061] imx-pgc-pd imx-pgc-power-domain.0: DMA mask not set [ 1.346557] imx-pgc-pd imx-pgc-power-domain.1: DMA mask not set [ 1.411436] random: crng init done [ 1.455144] pfuze100-regulator 1-0008: unrecognized pfuze chip ID! [ 1.455874] pfuze100-regulator: probe of 1-0008 failed with error -110 [ 1.458875] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 27, base_baud = 5000000) is a IMX [ 2.332541] printk: console [ttymxc0] enabled [ 2.339484] imx-uart 21e8000.serial: has an ltc2870 combined rs232/rs485 transceiver [ 2.347850] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 72, base_baud = 5000000) is a IMX [ 2.357867] 21ec000.serial: ttymxc2 at MMIO 0x21ec000 (irq = 73, base_baud = 5000000) is a IMX [ 2.368019] 21f0000.serial: ttymxc3 at MMIO 0x21f0000 (irq = 74, base_baud = 5000000) is a IMX [ 2.400772] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops) [ 2.407076] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops) [ 2.413221] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops) [ 2.418977] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [ 2.437166] etnaviv-gpu 130000.gpu: command buffer outside valid memory window [ 2.445459] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [ 2.463082] etnaviv-gpu 134000.gpu: command buffer outside valid memory window [ 2.471240] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [ 2.477413] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [ 2.486360] [drm] Initialized etnaviv 1.2.0 20151214 for etnaviv on minor 0 [ 2.497949] imx-ipuv3 2400000.ipu: IPUv3H probed [ 2.505316] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 2.512006] [drm] No driver support for vblank timestamp query. [ 2.519532] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops) [ 2.527288] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops) [ 2.535064] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops) [ 2.542762] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops) [ 2.550523] imx-drm display-subsystem: failed to bind 120000.hdmi (ops dw_hdmi_imx_ops): -517 [ 2.560505] imx-drm display-subsystem: master bind failed: -517 [ 2.566609] imx-ipuv3 2800000.ipu: IPUv3H probed [ 27.324992] rcu: INFO: rcu_sched self-detected stall on CPU [ 27.330691] rcu: 0-....: (2599 ticks this GP) idle=532/0/0x3 softirq=36/36 fqs=1300 [ 27.338654] (t=2601 jiffies g=-1147 q=29) [ 27.342771] NMI backtrace for cpu 0 [ 27.346283] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.2.0-rc3-next-20190605-00042-g1a0686c7a5d2 #1 [ 27.355432] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 27.361996] [<c01127a0>] (unwind_backtrace) from [<c010cfb4>] (show_stack+0x10/0x14) [ 27.369769] [<c010cfb4>] (show_stack) from [<c0c75010>] (dump_stack+0xd8/0x110) [ 27.377106] [<c0c75010>] (dump_stack) from [<c0c7bb68>] (nmi_cpu_backtrace+0xac/0xbc) [ 27.384959] [<c0c7bb68>] (nmi_cpu_backtrace) from [<c0c7bc58>] (nmi_trigger_cpumask_backtrace+0xe0/0x134) [ 27.394556] [<c0c7bc58>] (nmi_trigger_cpumask_backtrace) from [<c01b1850>] (rcu_dump_cpu_stacks+0xa0/0xd8) [ 27.404234] [<c01b1850>] (rcu_dump_cpu_stacks) from [<c01b0aa8>] (rcu_sched_clock_irq+0x7ec/0xa44) [ 27.413220] [<c01b0aa8>] (rcu_sched_clock_irq) from [<c01b8a64>] (update_process_times+0x30/0x5c) [ 27.422117] [<c01b8a64>] (update_process_times) from [<c01cd8f4>] (tick_sched_timer+0x5c/0xc0) [ 27.430751] [<c01cd8f4>] (tick_sched_timer) from [<c01b978c>] (__hrtimer_run_queues+0x198/0x590) [ 27.439560] [<c01b978c>] (__hrtimer_run_queues) from [<c01bab78>] (hrtimer_interrupt+0x118/0x2e0) [ 27.448455] [<c01bab78>] (hrtimer_interrupt) from [<c01117c0>] (twd_handler+0x2c/0x40) [ 27.456399] [<c01117c0>] (twd_handler) from [<c019bbd0>] (handle_percpu_devid_irq+0xdc/0x36c) [ 27.464953] [<c019bbd0>] (handle_percpu_devid_irq) from [<c01959ac>] (generic_handle_irq+0x20/0x34) [ 27.474022] [<c01959ac>] (generic_handle_irq) from [<c0195fac>] (__handle_domain_irq+0x64/0xe0) [ 27.482750] [<c0195fac>] (__handle_domain_irq) from [<c052eb50>] (gic_handle_irq+0x4c/0xa8) [ 27.491125] [<c052eb50>] (gic_handle_irq) from [<c0101a70>] (__irq_svc+0x70/0x98) [ 27.498624] Exception stack(0xc1301e30 to 0xc1301e78) [ 27.503696] 1e20: 00000001 00000002 00000000 c130c600 [ 27.511893] 1e40: ffffe000 00000000 c1308ce0 00000000 00000001 dc018400 00000282 c13f18e4 [ 27.520089] 1e60: 00000000 c1301e80 c0189b08 c01022dc 60000113 ffffffff [ 27.526726] [<c0101a70>] (__irq_svc) from [<c01022dc>] (__do_softirq+0xbc/0x528) [ 27.534144] [<c01022dc>] (__do_softirq) from [<c012f0ac>] (irq_exit+0x12c/0x180) [ 27.541561] [<c012f0ac>] (irq_exit) from [<c0195fb4>] (__handle_domain_irq+0x6c/0xe0) [ 27.549413] [<c0195fb4>] (__handle_domain_irq) from [<c052eb50>] (gic_handle_irq+0x4c/0xa8) [ 27.557785] [<c052eb50>] (gic_handle_irq) from [<c0101a70>] (__irq_svc+0x70/0x98) [ 27.565282] Exception stack(0xc1301f10 to 0xc1301f58) [ 27.570351] 1f00: 00000001 00000006 00000000 c130c600 [ 27.578548] 1f20: ffffe000 c1308928 00000001 c1308964 00000000 00000000 c1308908 c1308978 [ 27.586743] 1f40: 00000000 c1301f60 c0189b58 c0109490 20000013 ffffffff [ 27.593384] [<c0101a70>] (__irq_svc) from [<c0109490>] (arch_cpu_idle+0x20/0x3c) [ 27.600806] [<c0109490>] (arch_cpu_idle) from [<c0160ae0>] (do_idle+0x1b8/0x2c0) [ 27.608224] [<c0160ae0>] (do_idle) from [<c0160f7c>] (cpu_startup_entry+0x18/0x1c) [ 27.615818] [<c0160f7c>] (cpu_startup_entry) from [<c1200e24>] (start_kernel+0x410/0x4c0) [ 27.624017] [<c1200e24>] (start_kernel) from [<00000000>] (0x0)
