Re: RFC: remove set_fs for m68k

Michael Schmitz
2021-08-22T19:34:02Z

Hi Christoph,

Am 22.09.2021 um 09:14 schrieb Michael Schmitz:
> Hi Christoph,
>
> no errors seen after five days of testing. Adding in a VM stressor now ...

Got this overnight:

> [536154.200000] *** FORMAT ERROR *** FORMAT=0
> [536154.210000] Current process id is 4656
> [536154.230000] BAD KERNEL TRAP: 00000000
> [536154.240000] Modules linked in: atari_scsi ne 8390p [last unloaded: atari_scsi]
> [536154.260000] PC: [<00002a8c>] resume_userspace+0x14/0x16
> [536154.270000] SR: 2208 SP: 977bd1be a2: 8009b5e8
> [536154.290000] d0: 8009b5e8 d1: cfcfcfcf d2: 00000000 d3: ffffffff
> [536154.300000] d4: 00000000 d5: 00000000 a0: 8008a108 a1: 8009b7df
> [536154.320000] Process savelog (pid: 4656, task=e49aa246)
> [536154.330000] Frame format=0
> [536154.340000] Stack from 00cc5fa4:
> [536154.340000] 02088004 3666b008 1c0eb209 007eb5e8 8006a2d0 efaec378 8004366c 61ff61ff
> [536154.340000] 8006a2d4 8006a2d2 00000000 030dfffb 0044fffa 0e000000 fffa1a00 fffa1c00
> [536154.340000] fffa1e00 fffb0e40 fffb0e80 00049b66 00000040 005f5800 00000001
> [536154.460000] Call Trace: [<00049b66>] __handle_irq_event_percpu+0x38/0xce
> [536154.530000]
> [536154.540000] Code: 1029 0007 660c 4cdf 073e 201f 588f dfdf <4e73> 254f 0400 e308 660a 487a ffe0 60ff 002d 13c6 598f 48e7 031e 486f 001c 61ff
> [536154.630000] Disabling lock debugging due to kernel taint

I'll try Finn's script next. Any advice what part of your patch to
revert next? Maybe flush_icache_range() ??

Cheers,

Michael

>
> Cheers,
>
> Michael
>
>
> On 16/08/21 18:58, Christoph Hellwig wrote:
>> On Mon, Aug 16, 2021 at 07:17:15AM +1200, Michael Schmitz wrote:
>>> Would it be acceptable to add this on top of the
>>> probe040/do_040writeback1
>>> patch that I'm currently testing?
>> Sure.
>