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| Filename | Latest commit message | Latest commit date |
|---|---|---|
cede36511c
[ Upstream commit dbb4cfea6efe979ed153bd59a6a527a90d3d0ab3 ] The interrupt handling should be related to the firmware version. If the driver matches an old firmware, then the driver should not handle interrupt such as i2c or dma, otherwise it will cause some errors. This log reveals it: [ 27.708641] INFO: trying to register non-static key. [ 27.710851] The code is fine but needs lockdep annotation, or maybe [ 27.712010] you didn't initialize this object before use? [ 27.712396] turning off the locking correctness validator. [ 27.712787] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 5.12.4-g70e7f0549188-dirty #169 [ 27.713349] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 27.714149] Call Trace: [ 27.714329] <IRQ> [ 27.714480] dump_stack+0xba/0xf5 [ 27.714737] register_lock_class+0x873/0x8f0 [ 27.715052] ? __lock_acquire+0x323/0x1930 [ 27.715353] __lock_acquire+0x75/0x1930 [ 27.715636] lock_acquire+0x1dd/0x3e0 [ 27.715905] ? netup_i2c_interrupt+0x19/0x310 [ 27.716226] _raw_spin_lock_irqsave+0x4b/0x60 [ 27.716544] ? netup_i2c_interrupt+0x19/0x310 [ 27.716863] netup_i2c_interrupt+0x19/0x310 [ 27.717178] netup_unidvb_isr+0xd3/0x160 [ 27.717467] __handle_irq_event_percpu+0x53/0x3e0 [ 27.717808] handle_irq_event_percpu+0x35/0x90 [ 27.718129] handle_irq_event+0x39/0x60 [ 27.718409] handle_fasteoi_irq+0xc2/0x1d0 [ 27.718707] __common_interrupt+0x7f/0x150 [ 27.719008] common_interrupt+0xb4/0xd0 [ 27.719289] </IRQ> [ 27.719446] asm_common_interrupt+0x1e/0x40 [ 27.719747] RIP: 0010:native_safe_halt+0x17/0x20 [ 27.720084] Code: 07 0f 00 2d 8b ee 4c 00 f4 5d c3 0f 1f 84 00 00 00 00 00 8b 05 72 95 17 02 55 48 89 e5 85 c0 7e 07 0f 00 2d 6b ee 4c 00 fb f4 <5d> c3 cc cc cc cc cc cc cc 55 48 89 e5 e8 67 53 ff ff 8b 0d 29 f6 [ 27.721386] RSP: 0018:ffffc9000008fe90 EFLAGS: 00000246 [ 27.721758] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 27.722262] RDX: 0000000000000000 RSI: ffffffff85f7c054 RDI: ffffffff85ded4e6 [ 27.722770] RBP: ffffc9000008fe90 R08: 0000000000000001 R09: 0000000000000001 [ 27.723277] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff86a75408 [ 27.723781] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888100260000 [ 27.724289] default_idle+0x9/0x10 [ 27.724537] arch_cpu_idle+0xa/0x10 [ 27.724791] default_idle_call+0x6e/0x250 [ 27.725082] do_idle+0x1f0/0x2d0 [ 27.725326] cpu_startup_entry+0x18/0x20 [ 27.725613] start_secondary+0x11f/0x160 [ 27.725902] secondary_startup_64_no_verify+0xb0/0xbb [ 27.726272] BUG: kernel NULL pointer dereference, address: 0000000000000002 [ 27.726768] #PF: supervisor read access in kernel mode [ 27.727138] #PF: error_code(0x0000) - not-present page [ 27.727507] PGD 8000000118688067 P4D 8000000118688067 PUD 10feab067 PMD 0 [ 27.727999] Oops: 0000 [#1] PREEMPT SMP PTI [ 27.728302] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 5.12.4-g70e7f0549188-dirty #169 [ 27.728861] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 27.729660] RIP: 0010:netup_i2c_interrupt+0x23/0x310 [ 27.730019] Code: 0f 1f 80 00 00 00 00 55 48 89 e5 41 55 41 54 53 48 89 fb e8 af 6e 95 fd 48 89 df e8 e7 9f 1c 01 49 89 c5 48 8b 83 48 08 00 00 <66> 44 8b 60 02 44 89 e0 48 8b 93 48 08 00 00 83 e0 f8 66 89 42 02 [ 27.731339] RSP: 0018:ffffc90000118e90 EFLAGS: 00010046 [ 27.731716] RAX: 0000000000000000 RBX: ffff88810803c4d8 RCX: 0000000000000000 [ 27.732223] RDX: 0000000000000001 RSI: ffffffff85d37b94 RDI: ffff88810803c4d8 [ 27.732727] RBP: ffffc90000118ea8 R08: 0000000000000000 R09: 0000000000000001 [ 27.733239] R10: ffff88810803c4f0 R11: 61646e6f63657320 R12: 0000000000000000 [ 27.733745] R13: 0000000000000046 R14: ffff888101041000 R15: ffff8881081b2400 [ 27.734251] FS: 0000000000000000(0000) GS:ffff88817bc80000(0000) knlGS:0000000000000000 [ 27.734821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.735228] CR2: 0000000000000002 CR3: 0000000108194000 CR4: 00000000000006e0 [ 27.735735] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.736241] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.736744] Call Trace: [ 27.736924] <IRQ> [ 27.737074] netup_unidvb_isr+0xd3/0x160 [ 27.737363] __handle_irq_event_percpu+0x53/0x3e0 [ 27.737706] handle_irq_event_percpu+0x35/0x90 [ 27.738028] handle_irq_event+0x39/0x60 [ 27.738306] handle_fasteoi_irq+0xc2/0x1d0 [ 27.738602] __common_interrupt+0x7f/0x150 [ 27.738899] common_interrupt+0xb4/0xd0 [ 27.739176] </IRQ> [ 27.739331] asm_common_interrupt+0x1e/0x40 [ 27.739633] RIP: 0010:native_safe_halt+0x17/0x20 [ 27.739967] Code: 07 0f 00 2d 8b ee 4c 00 f4 5d c3 0f 1f 84 00 00 00 00 00 8b 05 72 95 17 02 55 48 89 e5 85 c0 7e 07 0f 00 2d 6b ee 4c 00 fb f4 <5d> c3 cc cc cc cc cc cc cc 55 48 89 e5 e8 67 53 ff ff 8b 0d 29 f6 [ 27.741275] RSP: 0018:ffffc9000008fe90 EFLAGS: 00000246 [ 27.741647] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 27.742148] RDX: 0000000000000000 RSI: ffffffff85f7c054 RDI: ffffffff85ded4e6 [ 27.742652] RBP: ffffc9000008fe90 R08: 0000000000000001 R09: 0000000000000001 [ 27.743154] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff86a75408 [ 27.743652] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888100260000 [ 27.744157] default_idle+0x9/0x10 [ 27.744405] arch_cpu_idle+0xa/0x10 [ 27.744658] default_idle_call+0x6e/0x250 [ 27.744948] do_idle+0x1f0/0x2d0 [ 27.745190] cpu_startup_entry+0x18/0x20 [ 27.745475] start_secondary+0x11f/0x160 [ 27.745761] secondary_startup_64_no_verify+0xb0/0xbb [ 27.746123] Modules linked in: [ 27.746348] Dumping ftrace buffer: [ 27.746596] (ftrace buffer empty) [ 27.746852] CR2: 0000000000000002 [ 27.747094] ---[ end trace ebafd46f83ab946d ]--- [ 27.747424] RIP: 0010:netup_i2c_interrupt+0x23/0x310 [ 27.747778] Code: 0f 1f 80 00 00 00 00 55 48 89 e5 41 55 41 54 53 48 89 fb e8 af 6e 95 fd 48 89 df e8 e7 9f 1c 01 49 89 c5 48 8b 83 48 08 00 00 <66> 44 8b 60 02 44 89 e0 48 8b 93 48 08 00 00 83 e0 f8 66 89 42 02 [ 27.749082] RSP: 0018:ffffc90000118e90 EFLAGS: 00010046 [ 27.749461] RAX: 0000000000000000 RBX: ffff88810803c4d8 RCX: 0000000000000000 [ 27.749966] RDX: 0000000000000001 RSI: ffffffff85d37b94 RDI: ffff88810803c4d8 [ 27.750471] RBP: ffffc90000118ea8 R08: 0000000000000000 R09: 0000000000000001 [ 27.750976] R10: ffff88810803c4f0 R11: 61646e6f63657320 R12: 0000000000000000 [ 27.751480] R13: 0000000000000046 R14: ffff888101041000 R15: ffff8881081b2400 [ 27.751986] FS: 0000000000000000(0000) GS:ffff88817bc80000(0000) knlGS:0000000000000000 [ 27.752560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.752970] CR2: 0000000000000002 CR3: 0000000108194000 CR4: 00000000000006e0 [ 27.753481] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.753984] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.754487] Kernel panic - not syncing: Fatal exception in interrupt [ 27.755033] Dumping ftrace buffer: [ 27.755279] (ftrace buffer empty) [ 27.755534] Kernel Offset: disabled [ 27.755785] Rebooting in 1 seconds.. Signed-off-by: Zheyu Ma <zheyuma97@gmail.com> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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| include | ||
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| ipc | ||
| kernel | ||
| lib | ||
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| mm | ||
| net | ||
| samples | ||
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| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| COPYING | ||
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| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.