Re: 4.18: early boot crash in thermal_cooling_device_destroy_sysfs

[Randy Dunlap]

On 10/30/18 6:07 PM, Zhang Rui wrote:
> Hi, Randy,
> 
> On ä, 2018-10-26 at 20:35 -0700, Randy Dunlap wrote:
>> On 10/26/18 2:14 AM, Rafael J. Wysocki wrote:
>>>
>>> On Monday, October 22, 2018 8:37:25 PM CEST Randy Dunlap wrote:
>>>>
>>>>
>>>> On 8/16/18 2:33 PM, Randy Dunlap wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> Sorry for the photo.ÂÂThat's all I have available so far.
>>>>>
>>>>> https://www.infradead.org/~rdunlap/doc/IMG_20180816_133254743_H
>>>>> DR.jpg
>>>>>
>>>>>
>>>>> Does anyone recognize this?
>>>>>
>>>>> This is an (older) Toshiba laptop.ÂÂThe kernel .config is
>>>>> mostly an
>>>>> allmodconfig with some DEBUG options disabled and other options
>>>>> enabled
>>>>> so that it can boot without using an initramfs.ÂÂ(and with
>>>>> COMPILE_TEST
>>>>> disabled :)
>>>>>
>>>>>
>>>>> The full kernel .config file is attached.
>>>>>
>>>>> Thanks,
>>>>>
>>>> This is a result of CONFIG_DEBUG_TEST_DRIVER_REMOVE=y.
>>>> [switch from 64-bit to 32-bit machine]
>>>>
>>>>
>>>> When using CONFIG_DEBUG_VM=y, it BUGs at:
>>>> [ÂÂÂÂ5.553603] ------------[ cut here ]------------
>>>> [ÂÂÂÂ5.553733] kernel BUG at arch/x86/mm/physaddr.c:75!
>>>> [ÂÂÂÂ5.557788] invalid opcode: 0000 [#1] PREEMPT SMP
>>>> DEBUG_PAGEALLOC
>>>> [ÂÂÂÂ5.558738] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.19.0-
>>>> rc7 #4
>>>> [ÂÂÂÂ5.558738] Hardware name: Dell Inc. Inspiron
>>>> 1318ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ/0C236D, BIOS A04 01/15/2009
>>>> [ÂÂÂÂ5.558738] EIP: __phys_addr+0x40/0x90
>>>> [ÂÂÂÂ5.558738] Code: 00 40 75 2e 8b 15 00 57 23 d5 85 d2 74 12 89
>>>> d9 c1 e9 0c 39 ca 72 5b e8 2e ca ff ff 39 d8 75 4a 89 d8 5b 5d c3
>>>> 8d 74 26 00 90 <0f> 0b 8d b6 00 00 00 00 8b 0d 80 56 23 d5 8d 91
>>>> 00 00 80 00 39 d0
>>>> [ÂÂÂÂ5.558738] EAX: 6b6b6b6b EBX: 6b6b6b6b ECX: 00140011 EDX:
>>>> 00000000
>>>> [ÂÂÂÂ5.558738] ESI: f4890000 EDI: d4a58d60 EBP: f40c1e0c ESP:
>>>> f40c1e08
>>>> [ÂÂÂÂ5.558738] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
>>>> EFLAGS: 00210a97
>>>> [ÂÂÂÂ5.558738] CR0: 80050033 CR2: 00000000 CR3: 14cad000 CR4:
>>>> 000406d0
>>>> [ÂÂÂÂ5.558738] Call Trace:
>>>> [ÂÂÂÂ5.558738]ÂÂkfree+0x1f/0x160
>>>> [ÂÂÂÂ5.558738]ÂÂthermal_cooling_device_destroy_sysfs+0x11/0x20
>>>> [ÂÂÂÂ5.558738]ÂÂthermal_cooling_device_unregister+0x168/0x180
>>>> [ÂÂÂÂ5.558738]ÂÂacpi_pss_perf_exit.isra.4+0x32/0x50
>>>> [ÂÂÂÂ5.558738]ÂÂacpi_processor_stop+0x4d/0x60
>>>> [ÂÂÂÂ5.558738]ÂÂreally_probe+0xa3/0x3e0
>>>> [ÂÂÂÂ5.558738]ÂÂdriver_probe_device+0x5b/0x120
>>>> [ÂÂÂÂ5.558738]ÂÂ__driver_attach+0xd9/0x100
>>>> [ÂÂÂÂ5.558738]ÂÂ? driver_probe_device+0x120/0x120
>>>> [ÂÂÂÂ5.558738]ÂÂbus_for_each_dev+0x56/0x90
>>>> [ÂÂÂÂ5.558738]ÂÂdriver_attach+0x14/0x20
>>>> [ÂÂÂÂ5.558738]ÂÂ? driver_probe_device+0x120/0x120
>>>> [ÂÂÂÂ5.558738]ÂÂbus_add_driver+0x117/0x210
>>>> [ÂÂÂÂ5.558738]ÂÂdriver_register+0x61/0xb0
>>>> [ÂÂÂÂ5.558738]ÂÂacpi_processor_driver_init+0x19/0x88
>>>> [ÂÂÂÂ5.558738]ÂÂ? acpi_pci_slot_init+0xf/0xf
>>>> [ÂÂÂÂ5.558738]ÂÂdo_one_initcall+0x3e/0x15a
>>>> [ÂÂÂÂ5.558738]ÂÂ? do_early_param+0x75/0x75
>>>> [ÂÂÂÂ5.558738]ÂÂkernel_init_freeable+0x170/0x1f3
>>>> [ÂÂÂÂ5.558738]ÂÂ? rest_init+0xcd/0xcd
>>>> [ÂÂÂÂ5.558738]ÂÂkernel_init+0x8/0xdb
>>>> [ÂÂÂÂ5.558738]ÂÂret_from_fork+0x2e/0x38
>>>> [ÂÂÂÂ5.558738] Modules linked in:
>>>> [ÂÂÂÂ5.625269] _warn_unseeded_randomness: 1 callbacks suppressed
>>>> [ÂÂÂÂ5.625272] random: get_random_bytes called from
>>>> init_oops_id+0x3a/0x40 with crng_init=0
>>>> [ÂÂÂÂ5.629758] ---[ end trace 65b17bf4d18e7692 ]---
>>>> [ÂÂÂÂ5.631573] EIP: __phys_addr+0x40/0x90
>>>> [ÂÂÂÂ5.633242] Code: 00 40 75 2e 8b 15 00 57 23 d5 85 d2 74 12 89
>>>> d9 c1 e9 0c 39 ca 72 5b e8 2e ca ff ff 39 d8 75 4a 89 d8 5b 5d c3
>>>> 8d 74 26 00 90 <0f> 0b 8d b6 00 00 00 00 8b 0d 80 56 23 d5 8d 91
>>>> 00 00 80 00 39 d0
>>>> [ÂÂÂÂ5.638618] EAX: 6b6b6b6b EBX: 6b6b6b6b ECX: 00140011 EDX:
>>>> 00000000
>>>> [ÂÂÂÂ5.640703] ESI: f4890000 EDI: d4a58d60 EBP: f40c1e0c ESP:
>>>> d4cb13dc
>>>> [ÂÂÂÂ5.642801] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
>>>> EFLAGS: 00210a97
>>>> [ÂÂÂÂ5.645053] CR0: 80050033 CR2: 00000000 CR3: 14cad000 CR4:
>>>> 000406d0
>>>> [ÂÂÂÂ5.647179] Kernel panic - not syncing: Fatal exception
>>>> [ÂÂÂÂ5.648172] Kernel Offset: 0x13000000 from 0xc1000000
>>>> (relocation range: 0xc0000000-0xf77fdfff)
>>>> [ÂÂÂÂ5.648172] ---[ end Kernel panic - not syncing: Fatal
>>>> exception ]---
>>>>
>>>>
>>>> When not using CONFIG_DEBUG_VM, it BUGs in kfree:
>>>> [ÂÂÂÂ5.497864] ------------[ cut here ]------------
>>>> [ÂÂÂÂ5.498215] kernel BUG at mm/slub.c:3901!
>>>> [ÂÂÂÂ5.501739] invalid opcode: 0000 [#1] PREEMPT SMP
>>>> [ÂÂÂÂ5.502720] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.19.0-
>>>> rc7 #3
>>>> [ÂÂÂÂ5.502720] Hardware name: Dell Inc. Inspiron
>>>> 1318ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ/0C236D, BIOS A04 01/15/2009
>>>> [ÂÂÂÂ5.502720] EIP: kfree+0x117/0x150
>>>> [ÂÂÂÂ5.502720] Code: 74 21 8b 06 31 d2 f6 c4 80 74 04 0f b6 56 31
>>>> 89 f0 e8 7d e0 fa ff e9 7b ff ff ff 8d b4 26 00 00 00 00 90 8b 46
>>>> 04 a8 01 75 d8 <0f> 0b 8d b4 26 00 00 00 00 8b 75 f0 ff 75 ec 89
>>>> d9 89 f8 6a 01 53
>>>> [ÂÂÂÂ5.502720] EAX: 00000100 EBX: 6b6b6b6b ECX: 00140011 EDX:
>>>> 00000000
>>>> [ÂÂÂÂ5.502720] ESI: f67dac70 EDI: ccc4aca0 EBP: f4083e28 ESP:
>>>> f4083e10
>>>> [ÂÂÂÂ5.502720] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
>>>> EFLAGS: 00210246
>>>> [ÂÂÂÂ5.502720] CR0: 80050033 CR2: ffd14000 CR3: 0ce94000 CR4:
>>>> 000406d0
>>>> [ÂÂÂÂ5.502720] Call Trace:
>>>> [ÂÂÂÂ5.502720]ÂÂthermal_cooling_device_destroy_sysfs+0x11/0x20
>>>> [ÂÂÂÂ5.502720]ÂÂthermal_cooling_device_unregister+0x168/0x180
>>>> [ÂÂÂÂ5.502720]ÂÂacpi_pss_perf_exit.isra.4+0x32/0x50
>>>> [ÂÂÂÂ5.502720]ÂÂacpi_processor_stop+0x4d/0x60
>>>> [ÂÂÂÂ5.502720]ÂÂreally_probe+0xa3/0x3e0
>>>> [ÂÂÂÂ5.502720]ÂÂdriver_probe_device+0x5b/0x120
>>>> [ÂÂÂÂ5.502720]ÂÂ__driver_attach+0xd9/0x100
>>>> [ÂÂÂÂ5.502720]ÂÂ? driver_probe_device+0x120/0x120
>>>> [ÂÂÂÂ5.502720]ÂÂbus_for_each_dev+0x56/0x90
>>>> [ÂÂÂÂ5.502720]ÂÂdriver_attach+0x14/0x20
>>>> [ÂÂÂÂ5.502720]ÂÂ? driver_probe_device+0x120/0x120
>>>> [ÂÂÂÂ5.502720]ÂÂbus_add_driver+0x117/0x210
>>>> [ÂÂÂÂ5.502720]ÂÂdriver_register+0x61/0xb0
>>>> [ÂÂÂÂ5.502720]ÂÂacpi_processor_driver_init+0x19/0x88
>>>> [ÂÂÂÂ5.502720]ÂÂ? acpi_pci_slot_init+0xf/0xf
>>>> [ÂÂÂÂ5.502720]ÂÂdo_one_initcall+0x3e/0x15a
>>>> [ÂÂÂÂ5.502720]ÂÂ? do_early_param+0x75/0x75
>>>> [ÂÂÂÂ5.502720]ÂÂkernel_init_freeable+0x170/0x1f3
>>>> [ÂÂÂÂ5.502720]ÂÂ? rest_init+0xcd/0xcd
>>>> [ÂÂÂÂ5.502720]ÂÂkernel_init+0x8/0xdb
>>>> [ÂÂÂÂ5.502720]ÂÂret_from_fork+0x2e/0x38
>>>> [ÂÂÂÂ5.502720] Modules linked in:
>>>> [ÂÂÂÂ5.567678] _warn_unseeded_randomness: 1 callbacks suppressed
>>>> [ÂÂÂÂ5.567682] random: get_random_bytes called from
>>>> init_oops_id+0x3a/0x40 with crng_init=0
>>>> [ÂÂÂÂ5.572237] ---[ end trace 1b6e88c03e412db2 ]---
>>>> [ÂÂÂÂ5.574099] EIP: kfree+0x117/0x150
>>>> [ÂÂÂÂ5.575673] Code: 74 21 8b 06 31 d2 f6 c4 80 74 04 0f b6 56 31
>>>> 89 f0 e8 7d e0 fa ff e9 7b ff ff ff 8d b4 26 00 00 00 00 90 8b 46
>>>> 04 a8 01 75 d8 <0f> 0b 8d b4 26 00 00 00 00 8b 75 f0 ff 75 ec 89
>>>> d9 89 f8 6a 01 53
>>>> [ÂÂÂÂ5.581124] EAX: 00000100 EBX: 6b6b6b6b ECX: 00140011 EDX:
>>>> 00000000
>>>> [ÂÂÂÂ5.583243] ESI: f67dac70 EDI: ccc4aca0 EBP: f4083e28 ESP:
>>>> cce983dc
>>>> [ÂÂÂÂ5.585347] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
>>>> EFLAGS: 00210246
>>>> [ÂÂÂÂ5.587600] CR0: 80050033 CR2: ffd14000 CR3: 0ce94000 CR4:
>>>> 000406d0
>>>> [ÂÂÂÂ5.589747] Kernel panic - not syncing: Fatal exception
>>>> [ÂÂÂÂ5.590740] Kernel Offset: 0xb200000 from 0xc1000000
>>>> (relocation range: 0xc0000000-0xf77fdfff)
>>>> [ÂÂÂÂ5.590740] ---[ end Kernel panic - not syncing: Fatal
>>>> exception ]---
>>>>
>>>>
>>>>
>>>>
>>> This admittedly is a long shot, but does the appended patch help?
>> Thanks for the patch, but:
>> Nope, same crash.
>>
> 
> thanks for the report, please confirm if the following patch fixes the
> problem or not
> https://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux.git/commit
> /?h=next&id=3c587768271e9c20276522025729e4ebca51583b

Hi,

I believe this patch does fix the problem.
I'll hook up a serial cable tomorrow to confirm/verify this.

thanks,
-- 
~Randy