Re: panic: Unregistered use of FPU in kernel

From: Lev Serebryakov <lev_at_FreeBSD.org>
Date: Thu, 26 Sep 2019 20:16:45 +0300
On 26.09.2019 20:02, Konstantin Belousov wrote:

>> panic: Unregistered use of FPU in kernel
>>
>> stack trace:
>> ...
>> sse42_crc32c
>> readsuper
>> ffs_sbget
>> g_label_ufs_taste_common
>> g_label_taste
>> g_new_provider_event
>> g_run_events
>> fork_exit
>> ...
>>
>> Has anybody touched this area recently?  I'll try to narrow down the commit
>> range.
> 
> Start with disassembling the faulting instruction.  I suspect that somehow
> vital compiler switches like -mno-sse got omitted in the build.

 *sse42*_crc32c on top of the stack says, that it USES SSE :)

-- 
// Lev Serebryakov


Received on Thu Sep 26 2019 - 15:16:56 UTC

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