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器件型号：AM625 主题中讨论的其他器件： TFP410
工具与软件：
您好、TI 专家：
我们使用的是 AM625定制电路板、并通过 VGA 连接至 LCD 监视器。
我们得到一个错误日志、其中包含"RCU_PREMPTE self-detected stall on CPU"、并且系统挂起。
[ 34.281580] rcu: INFO: rcu_preempt self-detected stall on CPU [ 34.281611] rcu: 0-....: (2 GPs behind) idle=9104/1/0x4000000000000000 softirq=0/0 fqs=4819 rcuc=21107 jiffies(starved) [ 34.281624] (t=21000 jiffies g=6881 q=1364 ncpus=4) [ 34.281637] CPU: 0 PID: 137 Comm: irq/289-tidss Tainted: G O 6.1.46-rt13-BSP_12.4--g17da321871 #1 [ 34.281643] Hardware name: Texas Instruments AM625 SK (DT) [ 34.281648] pstate: a0000005 (NzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 34.281654] pc : _raw_spin_unlock_irq+0x18/0x60 [ 34.281669] lr : irq_finalize_oneshot.part.0+0x64/0x100 [ 34.281687] sp : ffff000000eb3d90 [ 34.281689] x29: ffff000000eb3d90 x28: ffff800008089000 x27: ffff000001ccfb10 [ 34.281700] x26: ffff000001ccfadc x25: ffff800008089ee0 x24: ffff000001daee00 [ 34.281708] x23: ffff000001ccfa00 x22: ffff000001ccfa60 x21: ffff000001ccfadc [ 34.281715] x20: ffff000001daee00 x19: ffff000001ccfa00 x18: ffff8000091ee000 [ 34.281723] x17: 0000000000000000 x16: 0000000000000000 x15: 000000000000003c [ 34.281730] x14: ffffffffffffffff x13: 0000000000000000 x12: 0000000000000000 [ 34.281737] x11: ffff000001ccf680 x10: ffff8000091ee000 x9 : 0000000000000000 [ 34.281744] x8 : ffff800008b594e8 x7 : 000000000000002b x6 : ffffffffffffffff [ 34.281751] x5 : ffff000001ccfa60 x4 : ffff000001ccfa60 x3 : 0000000000100000 [ 34.281760] x2 : ffff800009220000 x1 : ffff0000015d6c00 x0 : 0000000100000001 [ 34.281769] Call trace: [ 34.281772] _raw_spin_unlock_irq+0x18/0x60 [ 34.281777] irq_forced_thread_fn+0x84/0xb0 [ 34.281782] irq_thread+0x12c/0x1d0 [ 34.281787] kthread+0x120/0x12c [ 34.281795] ret_from_forklf-detected stall on CPU [ 97.284599] rcu: 0-....: (2 GPs b+0x10/0x20 [ 97.284578] rcu: INFO: rcu_preempt seehind) idle=9104/1/0x4000000000000000 softirq=0/0 fqs=19031 rcuc=84110 jiffies(starved) [ 97.284610] (t=84003 jiffies g=6881 q=1434 ncpus=4) [ 97.284618] CPU: 0 PID: 137 Comm: irq/289-tidss Tainted: G O 6.1.46-rt13-BSP_12.4--g17da321871 #1 [ 97.284625] Hardware name: Texas Instruments AM625 SK (DT) [ 97.284634] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 97.284639] pc : dispc_read_and_clear_irqstatus+0x58/0x1f0 [ 97.284656] lr : tidss_irq_handler+0x1c/0x110 [ 97.284662] sp : ffff000000eb3d50 [ 97.284664] x29: ffff000000eb3d50 x28: ffff800008089000 x27: ffff000001ccfb10 [ 97.284674] x26: ffff000001ccfadc x25: ffff000000070000 x24: ffff000001daee00 [ 97.284681] x23: ffff000001ccfa00 x22: ffff0000015d6c00 x21: 0000000000000001 [ 97.284688] x20: ffff000001ccfa00 x19: 0000000000000000 x18: ffff8000091ee000 [ 97.284696] x17: 0000000000000000 x16: 0000000000000000 x15: 000000000000003c [ 97.284706] x14: ffffffffffffffff x13: 0000000000000000 x12: 0000000000000000 [ 97.284713] x11: ffff000001ccf680 x10: ffff8000091ee000 x9 : ffff8000091eead8 [ 97.284720] x8 : 0000000000000000 x7 : ffff000001ccf680 x6 : ffffffffffffffff [ 97.284727] x5 : ffff00007f668808 x4 : 0000000000000000 x3 : ffff80007674e000 [ 97.284734] x2 : ffff80000857fec0 x1 : ffff800009413000 x0 : 0000000000000000 [ 97.284743] Call trace: [ 97.284745] dispc_read_and_clear_irqstatus+0x58/0x1f0 [ 97.284751] tidss_irq_handler+0x1c/0x110 [ 97.284756] irq_forced_thread_fn+0x38/0xb0 [ 97.284763] irq_thread+0x12c/0x1d0 [ 97.284767] kthread+0x120/0x12c [ 97.284776] ret_from_fork+0x10/0x20 [ 160.287579] rcu: INFO: rcu_preempt self-detected stall on CPU [ 160.287609] rcu: 0-....: (2 GPs behind) idle=9104/1/0x4000000000000000 softirq=0/0 fqs=32851 rcuc=147113 jiffies(starved) [ 160.287620] (t=147006 jiffies g=6881 q=1554 ncpus=4) [ 160.287632] CPU: 0 PID: 137 Comm: irq/289-tidss Tainted: G O 6.1.46-rt13-BSP_12.4--g17da321871 #1 [ 160.287639] Hardware name: Texas Instruments AM625 SK (DT) [ 160.287643] pstate: a0000005 (NzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 160.287648] pc : _raw_spin_unlock_irq+0x10/0x60 [ 160.287668] lr : irq_finalize_oneshot.part.0+0x64/0x100 [ 160.287676] sp : ffff000000eb3d90 [ 160.287678] x29: ffff000000eb3d90 x28: ffff800008089000 x27: ffff000001ccfb10 [ 160.287688] x26: ffff000001ccfadc x25: ffff800008089ee0 x24: ffff000001daee00 [ 160.287695] x23: ffff000001ccfa00 x22: ffff000001ccfa60 x21: ffff000001ccfadc [ 160.287703] x20: ffff000001daee00 x19: ffff000001ccfa00 x18: ffff8000091ee000 [ 160.287710] x17: 0000000000000000 x16: 0000000000000000 x15: 000000000000003c [ 160.287717] x14: ffffffffffffffff x13: 0000000000000000 x12: 0000000000000000 [ 160.287724] x11: ffff000001ccf680 x10: ffff8000091ee000 x9 : 0000000000000000 [ 160.287731] x8 : ffff800008b594e8 x7 : 000000000000002b x6 : ffffffffffffffff [ 160.287742] x5 : ffff000001ccfa60 x4 : ffff000001ccfa60 x3 : 0000000000100000 [ 160.287749] x2 : ffff800009220000 x1 : 0000000000000000 x0 : 00000000000000e0 [ 160.287758] Call trace: [ 160.287761] _raw_spin_unlock_irq+0x10/0x60 [ 160.287766] irq_forced_thread_fn+0x84/0xb0 [ 160.287771] irq_thread+0x12c/0x1d0 [ 160.287776] kthread+0x120/0x12c [ 160.287785] ret_from_fork+0x10/0x20 [ 223.290579] rcu: INFO: rcu_preempt self-detected stall on CPU [ 223.290602] rcu: 0-....: (2 GPs behind) idle=9104/1/0x4000000000000000 softirq=0/0 fqs=46701 rcuc=210116 jiffies(starved) [ 223.290612] (t=210009 jiffies g=6881 q=1580 ncpus=4) [ 223.290622] CPU: 0 PID: 137 Comm: irq/289-tidss Tainted: G O 6.1.46-rt13-BSP_12.4--g17da321871 #1 [ 223.290628] Hardware name: Texas Instruments AM625 SK (DT) [ 223.290632] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 223.290639] pc : dispc_read_and_clear_irqstatus+0x58/0x1f0 [ 223.290654] lr : tidss_irq_handler+0x1c/0x110 [ 223.290664] sp : ffff000000eb3d50 [ 223.290666] x29: ffff000000eb3d50 x28: ffff800008089000 x27: ffff000001ccfb10 [ 223.290676] x26: ffff000001ccfadc x25: ffff000000070000 x24: ffff000001daee00 [ 223.290684] x23: ffff000001ccfa00 x22: ffff0000015d6c00 x21: 0000000000000001 [ 223.290691] x20: ffff000001ccfa00 x19: 0000000000000000 x18: ffff8000091ee000 [ 223.290698] x17: 0000000000000000 x16: 0000000000000000 x15: 000000000000003c [ 223.290705] x14: ffffffffffffffff x13: 0000000000000000 x12: 0000000000000000 [ 223.290712] x11: ffff000001ccf680 x10: ffff8000091ee000 x9 : ffff8000091eead8 [ 223.290720] x8 : 0000000000000000 x7 : ffff000001ccf680 x6 : ffffffffffffffff [ 223.290727] x5 : ffff00007f668808 x4 : 0000000000000000 x3 : ffff80007674e000 [ 223.290734] x2 : ffff80000857fec0 x1 : ffff800009413000 x0 : 0000000000000000 [ 223.290745] Call trace: [ 223.290747] dispc_read_and_clear_irqstatus+0x58/0x1f0 [ 223.290754] tidss_irq_handler+0x1c/0x110 [ 223.290760] irq_forced_thread_fn+0x38/0xb0 [ 223.290766] irq_thread+0x12c/0x1d0 [ 223.290770] kthread+0x120/0x12c [ 223.290778] ret_from_fork+0x10/0x20 [ 286.293578] rcu: INFO: rcu_preempt self-detected stall on CPU [ 286.293595] rcu: 0-....: (2 GPs behind) idle=9104/1/0x4000000000000000 softirq=0/0 fqs=60579 rcuc=273119 jiffies(starved) [ 286.293606] (t=273012 jiffies g=6881 q=1589 ncpus=4) [ 286.293615] CPU: 0 PID: 137 Comm: irq/289-tidss Tainted: G O 6.1.46-rt13-BSP_12.4--g17da321871 #1 [ 286.293622] Hardware name: Texas Instruments AM625 SK (DT) [ 286.293627] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 286.293637] pc : dispc_k3_clear_irqstatus+0x188/0x1a0 [ 286.293650] lr : dispc_read_and_clear_irqstatus+0xfc/0x1f0 [ 286.293656] sp : ffff000000eb3d40 [ 286.293658] x29: ffff000000eb3d40 x28: ffff800008089000 x27: ffff000001ccfb10 [ 286.293667] x26: ffff000001ccfadc x25: ffff000000070000 x24: ffff000001daee00 [ 286.293675] x23: ffff000001ccfa00 x22: ffff0000015d6c00 x21: 0000000000000001 [ 286.293683] x20: ffff000001ccfa00 x19: 0000000000000000 x18: ffff8000091ee000 [ 286.293690] x17: 0000000000000000 x16: 0000000000000000 x15: 000000000000003c [ 286.293697] x14: ffffffffffffffff x13: 0000000000000000 x12: 0000000000000000 [ 286.293707] x11: ffff000001ccf680 x10: ffff8000091ee000 x9 : 0000000000000000 [ 286.293715] x8 : ffff800008b594e8 x7 : 000000000000002b x6 : ffffffffffffffff [ 286.293722] x5 : 0000000000000015 x4 : 00000000003fffff x3 : 0000000000000002 [ 286.293729] x2 : 000000000000002c x1 : 000000000000002c x0 : 0000000000000002 [ 286.293737] Call trace: [ 286.293740] dispc_k3_clear_irqstatus+0x188/0x1a0 [ 286.293747] dispc_read_and_clear_irqstatus+0xfc/0x1f0 [ 286.293753] tidss_irq_handler+0x1c/0x110 [ 286.293758] irq_forced_thread_fn+0x38/0xb0 [ 286.293764] irq_thread+0x12c/0x1d0 [ 286.293769] kthread+0x120/0x12c [ 286.293776] ret_from_fork+0x10/0x20
完整日志： e2e.ti.com/.../dmesg_5F00_error.txt
请帮助检查此错误是否由 Tidss 引起。
谢谢！
Allen
