HI,

I can repeat this on ARMv8 linux, but both ARMv6 linux and x86-64
linux are ok.

In my case the VM is self built from this commit hash

Date: Mon Dec 20 22:21:04 2021 CommitHash: 0cfe6c72e

using gcc 7.5.0 on a Ubuntu 18.04.6 system so not identical to Tim's.

cheers

bruce

On 2021-12-28T03:58:19.000+01:00, David T. Lewis <lewis at mail.msen.com>
wrote:

> On Mon, Dec 27, 2021 at 05:21:16PM -0800, tim Rowledge wrote:
>>  I was just trying out a workspace in an MVC project for reasons
>>  and discovered that (even with the latest
>>  sqcogspur64ARMv8linuxht/lib/squeak/5.0-202112201228-64bit/squeak
>>  VM) scrolling text in a workspace will cause a segfault. This is
>>  running on a PI 4, 64bit release of Raspberry Pi OS, 20892 image.
>>  
>>  To test - 
>>  open an MVC project
>>  open a Workspace - the location on screen does not appear to
>>  matter
>>  type a few characters with enough CRs to make the scrollbar
>>  suasage smaller than the scrollbar
>>  scroll using the sausage.
>>  boom
>>  pro$it?
> 
> <snip>
> 
>>  Can anybody else see this? On any other cpu/OS?
> 
> No problem for me on Intel linux64x64. I'm using a locally compiled
> VM but that is not likely to make a difference, so I expect that the
> issue is somehow ARM related. My image is 20901 running on:
> 
> Virtual Machine
> ---------------
> /usr/local/lib/squeak/5.0-202112202121-64bit/squeak
> Open Smalltalk Cog[Spur] VM [CoInterpreterPrimitives *
> VMMaker.oscog-dtl.3123]
> Unix built on Dec 27 2021 12:51:27 Compiler: 4.2.1 Compatible Clang
> 3.8.0 (tags/RELEASE_380/final)
> platform sources revision VM: 202112202121
> lewis at lewis-Gazelle-Pro:squeak/git/opensmalltalk-vm Date: Mon Dec 20
> 22:21:04 2021 CommitHash: 0cfe6c7 Plugins: 202112202121
> lewis at lewis-Gazelle-Pro:squeak/git/opensmalltalk-vm
> CoInterpreter * VMMaker.oscog-dtl.3123 uuid:
> a0d4db62-a6ac-4d9c-ba51-5eec2ce0c415 Dec 27 2021
> StackToRegisterMappingCogit * VMMaker.oscog-dtl.3123 uuid:
> a0d4db62-a6ac-4d9c-ba51-5eec2ce0c415 Dec 27 2021

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