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bug#64058: [PATCH] wc: Fix crashes due to incomplete AVX2 enumeration
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From: |
Dave Hansen |
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Subject: |
bug#64058: [PATCH] wc: Fix crashes due to incomplete AVX2 enumeration |
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Date: |
Thu, 15 Jun 2023 09:05:07 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 |
On 6/13/23 21:14, Paul Eggert wrote:
> PS. Does the attached cksum.c / pclmul change fix any user-visible
> misbehavior? If so, what should we put into the NEWS file?
Yes, this patch also works for me. Thanks!
Your news blurb from that patch looks fine to me. The only tweak I
would suggest is adding some text that a user might actually see if they
hit this issue, like:
'wc -l' no longer crashes with "Illegal instruction" messages on x86
Linux kernels that disable XSAVE YMM. [bug introduced in coreutils-9.0]