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From: Dmad <dmadhatr@sdf.org>
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X-Bullshit: compliant module-aware storage-oriented cache 
Subject: Re:SOLVED  [9front] 9Front Drawterm Code 139 Sig 11 SIGSEGV
Reply-To: 9front@9front.org
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On Sun, 24 Sep 2023, Dmad wrote:

> Date: Sun, 24 Sep 2023 03:11:13 +0000 (UTC)
> From: Dmad <dmadhatr@sdf.org>
> Reply-To: 9front@9front.org
> To: 9front@9front.org
> Subject: Re: [9front] 9Front Drawterm Code 139 Sig 11 SIGSEGV
> 
> On Sun, 24 Sep 2023, Sigrid Solveig Hafl?nud?ttir wrote:
>
>>  Date: Sun, 24 Sep 2023 04:28:27 +0200
>>  From: Sigrid Solveig Hafl?nud?ttir <sigrid@ftrv.se>
>>  Reply-To: 9front@9front.org
>>  To: 9front@9front.org
>>  Subject: Re: [9front] 9Front Drawterm Code 139 Sig 11 SIGSEGV
>>
>>  Try to replace the entirety of your amd64/tas.c "tas" function with just
>>  "return __atomic_test_and_set(x, __ATOMIC_ACQ_REL);", as appears in
>>  arm64/tas.c
>>  See if that helps.
>> 
>> 
>
> Backed up tas.c
> Replaced tas function with just 'return' ... from arm64 tas.c to amd84
> Recompiled
> ./drawterm -h IP -a IP -u glenda
> No crash, but no RIO just yet.
> Progress!
> Thanks!
>
> dmadhatr@sdf.org
> SDF Public Access UNIX System - http://sdf.org
>

Retarted drawterm session, removed -r option and was able to get rio 
running from 9p.sdf.org without any crash/segsdev 11 or stack issue.

Replacing the tas function for AMD64 before recompiling appears to have 
worked.

Cheers and thanks again, appreciated.

dmadhatr@sdf.org
SDF Public Access UNIX System - http://sdf.org