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Groups > linux.debian.bugs.dist > #1118833

Bug#1020534: sgx: EPC section 0x50200000-0x55f7ffff (crash)

From Diederik de Haas <didi.debian@cknow.org>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#1020534: sgx: EPC section 0x50200000-0x55f7ffff (crash)
Date 2022-09-26 18:10 +0200
Message-ID <F9YQa-af7x-3@gated-at.bofh.it> (permalink)
References <F8B9f-9n0U-1@gated-at.bofh.it> <F8B9f-9n0U-1@gated-at.bofh.it>
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Cross-posted to 2 groups.

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On Thursday, 22 September 2022 22:24:31 CEST Diederik de Haas wrote:
> It does NOT occur with version 5.17.3-1 and 5.18-1~exp1, but it does
> occur with 5.18.2-1, 5.18.16-1, 5.19.6-1

This is interesting...

> There are 5 commits with 'sgx' in their primary commit message:
> And they are all sequential:
> $ git log --oneline 557b6a9ccc..5aada65464

The goal was 'git bisect': https://wiki.debian.org/DebianKernel/GitBisect

My assumption was that the issue got introduced by one of those commits.
So I build a kernel based on the commit preceding those, namely:
6ad9dbb202a9 HID: multitouch: add quirks to enable Lenovo X12 trackpoint

Booting into that kernel showed the error, so it wasn't introduced with the 
'suspect list'.

Then I build a new kernel based on 5.18.0 (the release by Linus) ... and that 
also showed the error!!
Booting into 5.18.0-trunk-amd64 (=5.18-1~exp1) did NOT show the issue!

The '.config' was obtained by "cp /boot/config-5.18.0-4-amd64 .config"

IOW: the Debian provided 5.18.0 kernel did not show the issue, while the self 
compiled 5.18.0 kernel did!

Did I do something wrong? What should I do next?

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Thread

Bug#1020534: sgx: EPC section 0x50200000-0x55f7ffff (crash) Diederik de Haas <didi.debian@cknow.org> - 2022-09-22 22:40 +0200
  Bug#1020534: sgx: EPC section 0x50200000-0x55f7ffff (crash) Diederik de Haas <didi.debian@cknow.org> - 2022-09-22 22:50 +0200
  Bug#1020534: sgx: EPC section 0x50200000-0x55f7ffff (crash) Diederik de Haas <didi.debian@cknow.org> - 2022-09-26 18:10 +0200
    Bug#1020534: sgx: EPC section 0x50200000-0x55f7ffff (crash) Diederik de Haas <didi.debian@cknow.org> - 2022-09-26 20:20 +0200

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