FS#65466 - [memtest86+] hangs at block_move test #7 in SMP mode

Attached to Project: Arch Linux
Opened by Dennis Busch (Dennis) - Wednesday, 12 February 2020, 10:37 GMT
Last edited by Toolybird (Toolybird) - Tuesday, 30 May 2023, 06:35 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Levente Polyak (anthraxx)
Architecture All
Severity Medium
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

Description:
memtest86+ hangs at a specific test on a 4 core processor in multi-threading mode with more than 5GB of RAM (see attached screenshot).

see here for more&patch info: https://forum.canardpc.com/threads/117454-PATCH-Fix-for-Freeze-on-test-7-in-SMP-mode

Steps to reproduce:
Press F2 at the start of memtest86+ to force multi-threading mode. Wait for it to hang (happens between testing range 4GB-6GB here) core states hang with: \\\W

Workaround:
The only reliable way to test RAM without false positives(by wrongly assuming that specific hang is a RAM issue) at the moment is to run the test without multi-threading mode.

   2020_02_12_memtest86p_hang.png (59.7 KiB)
This task depends upon

Closed by  Toolybird (Toolybird)
Tuesday, 30 May 2023, 06:35 GMT
Reason for closing:  Fixed
Additional comments about closing:  Fixed according to the linked upstream issue.
Comment by Dennis Busch (Dennis) - Wednesday, 12 February 2020, 13:34 GMT
(unable to report this upstream because their official forum seems dead)
Comment by mattia (nTia89) - Saturday, 11 February 2023, 08:04 GMT
I cannot reproduce the issue; and you?

Today we have an official site [https://www.memtest.org/] with a living bug tracker [https://github.com/memtest86plus/memtest86plus/issues/] can you it there too?
Comment by Glenn (grepfor) - Sunday, 16 April 2023, 18:22 GMT
fwiw: I'm able to reproduce this hang behavior consistently on an old Thinkpad T-510 with 8 GB RAM, in exactly the way that the OP described.

Will file an issue on the github bug tracker if it's not already there.
Comment by Glenn (grepfor) - Sunday, 16 April 2023, 18:39 GMT
re above: Filed on the memtest86 bug tracker as Issue #299.
Comment by mattia (nTia89) - Sunday, 16 April 2023, 18:48 GMT
for sake of completeness, here is the issue:

https://github.com/memtest86plus/memtest86plus/issues/299

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