From: Bert Karwatzki <spasswolf@web•de>
To: Yazen Ghannam <yazen.ghannam@amd•com>
Cc: Nikolay Borisov <nik.borisov@suse•com>,
spasswolf@web•de, Borislav Petkov <bp@alien8•de>,
Tony Luck <tony.luck@intel•com>,
linux-kernel@vger•kernel.org, linux-next@vger•kernel.org,
linux-edac@vger•kernel.org, linux-acpi@vger•kernel.org,
x86@kernel•org, rafael@kernel•org, qiuxu.zhuo@intel•com,
Smita.KoralahalliChannabasappa@amd•com
Subject: Re: spurious (?) mce Hardware Error messages in v6.19
Date: Fri, 13 Feb 2026 13:45:23 +0100 [thread overview]
Message-ID: <cb484717e2600ae729b55ccfc92e807d88e5ab31.camel@web.de> (raw)
In-Reply-To: <21ba47fa8893b33b94370c2a42e5084cf0d2e975.camel@web.de>
It happened again, this time on next-20260212 after about 3.5h:
Error message:
2026-02-13T12:47:34.505714+01:00 [T449218] mce: [Hardware Error]: Machine check events logged
2026-02-13T12:47:34.505729+01:00 [T449218] [Hardware Error]: Deferred error, no action required.
2026-02-13T12:47:34.505731+01:00 [T449218] [Hardware Error]: CPU:0 (19:50:0) MC11_STATUS[-|-|-|AddrV|-|-|-|Deferred|-|-]: 0x840090c800c98185
2026-02-13T12:47:34.505733+01:00 [T449218] [Hardware Error]: Error Addr: 0x003bd7a800000020
2026-02-13T12:47:34.505734+01:00 [T449218] [Hardware Error]: IPID: 0x000700b040000000
2026-02-13T12:47:34.505736+01:00 [T449218] [Hardware Error]: L3 Cache Ext. Error Code: 9
2026-02-13T12:47:34.505747+01:00 [T449218] [Hardware Error]: cache level: L1, tx: DATA
Output of
$ cat /proc/interrupts | grep -E "THR|MCP|MCE|DFR"
THR: 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 Threshold APIC interrupts
DFR: 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 Deferred Error APIC interrupts
MCE: 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 Machine check exceptions
MCP: 48 48 48 48 48 48 48 48 48 48 48 48 48 48
48 48 Machine check polls
Output of (the non-zero error_count values {72,3165, 72,9} are
the same asin my mail 15.9.2025 so these do not change)
# find /sys/devices/system/machinecheck/ -name error_count -print -exec cat {} \;
/sys/devices/system/machinecheck/machinecheck15/execution_unit/execution_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck15/insn_fetch/insn_fetch/error_count
0
/sys/devices/system/machinecheck/machinecheck15/floating_point/floating_point/error_count
0
/sys/devices/system/machinecheck/machinecheck15/load_store/load_store/error_count
0
/sys/devices/system/machinecheck/machinecheck15/l2_cache/l2_cache/error_count
0
/sys/devices/system/machinecheck/machinecheck15/decode_unit/decode_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck2/execution_unit/execution_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck2/insn_fetch/insn_fetch/error_count
0
/sys/devices/system/machinecheck/machinecheck2/floating_point/floating_point/error_count
0
/sys/devices/system/machinecheck/machinecheck2/load_store/load_store/error_count
0
/sys/devices/system/machinecheck/machinecheck2/l2_cache/l2_cache/error_count
0
/sys/devices/system/machinecheck/machinecheck2/decode_unit/decode_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck13/execution_unit/execution_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck13/insn_fetch/insn_fetch/error_count
0
/sys/devices/system/machinecheck/machinecheck13/floating_point/floating_point/error_count
0
/sys/devices/system/machinecheck/machinecheck13/load_store/load_store/error_count
0
/sys/devices/system/machinecheck/machinecheck13/l2_cache/l2_cache/error_count
0
/sys/devices/system/machinecheck/machinecheck13/decode_unit/decode_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck0/l3_cache_0/l3_cache_0/error_count
0
/sys/devices/system/machinecheck/machinecheck0/l3_cache_7/l3_cache_7/error_count
72
/sys/devices/system/machinecheck/machinecheck0/execution_unit/execution_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck0/umc_1/dram_ecc/error_count
0
/sys/devices/system/machinecheck/machinecheck0/umc_1/misc_umc/error_count
0
/sys/devices/system/machinecheck/machinecheck0/l3_cache_5/l3_cache_5/error_count
0
/sys/devices/system/machinecheck/machinecheck0/pie/pie/error_count
0
/sys/devices/system/machinecheck/machinecheck0/l3_cache_3/l3_cache_3/error_count
0
/sys/devices/system/machinecheck/machinecheck0/coherent_slave_0/coherent_slave_0/error_count
0
/sys/devices/system/machinecheck/machinecheck0/insn_fetch/insn_fetch/error_count
0
/sys/devices/system/machinecheck/machinecheck0/l3_cache_1/l3_cache_1/error_count
0
/sys/devices/system/machinecheck/machinecheck0/floating_point/floating_point/error_count
0
/sys/devices/system/machinecheck/machinecheck0/l3_cache_6/l3_cache_6/error_count
3165
/sys/devices/system/machinecheck/machinecheck0/umc_0/dram_ecc/error_count
0
/sys/devices/system/machinecheck/machinecheck0/umc_0/misc_umc/error_count
0
/sys/devices/system/machinecheck/machinecheck0/l3_cache_4/l3_cache_4/error_count
72
/sys/devices/system/machinecheck/machinecheck0/coherent_slave_1/coherent_slave_1/error_count
0
/sys/devices/system/machinecheck/machinecheck0/load_store/load_store/error_count
0
/sys/devices/system/machinecheck/machinecheck0/l2_cache/l2_cache/error_count
0
/sys/devices/system/machinecheck/machinecheck0/l3_cache_2/l3_cache_2/error_count
9
/sys/devices/system/machinecheck/machinecheck0/decode_unit/decode_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck11/execution_unit/execution_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck11/insn_fetch/insn_fetch/error_count
0
/sys/devices/system/machinecheck/machinecheck11/floating_point/floating_point/error_count
0
/sys/devices/system/machinecheck/machinecheck11/load_store/load_store/error_count
0
/sys/devices/system/machinecheck/machinecheck11/l2_cache/l2_cache/error_count
0
/sys/devices/system/machinecheck/machinecheck11/decode_unit/decode_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck9/execution_unit/execution_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck9/insn_fetch/insn_fetch/error_count
0
/sys/devices/system/machinecheck/machinecheck9/floating_point/floating_point/error_count
0
/sys/devices/system/machinecheck/machinecheck9/load_store/load_store/error_count
0
/sys/devices/system/machinecheck/machinecheck9/l2_cache/l2_cache/error_count
0
/sys/devices/system/machinecheck/machinecheck9/decode_unit/decode_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck7/execution_unit/execution_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck7/insn_fetch/insn_fetch/error_count
0
/sys/devices/system/machinecheck/machinecheck7/floating_point/floating_point/error_count
0
/sys/devices/system/machinecheck/machinecheck7/load_store/load_store/error_count
0
/sys/devices/system/machinecheck/machinecheck7/l2_cache/l2_cache/error_count
0
/sys/devices/system/machinecheck/machinecheck7/decode_unit/decode_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck5/execution_unit/execution_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck5/insn_fetch/insn_fetch/error_count
0
/sys/devices/system/machinecheck/machinecheck5/floating_point/floating_point/error_count
0
/sys/devices/system/machinecheck/machinecheck5/load_store/load_store/error_count
0
/sys/devices/system/machinecheck/machinecheck5/l2_cache/l2_cache/error_count
0
/sys/devices/system/machinecheck/machinecheck5/decode_unit/decode_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck3/execution_unit/execution_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck3/insn_fetch/insn_fetch/error_count
0
/sys/devices/system/machinecheck/machinecheck3/floating_point/floating_point/error_count
0
/sys/devices/system/machinecheck/machinecheck3/load_store/load_store/error_count
0
/sys/devices/system/machinecheck/machinecheck3/l2_cache/l2_cache/error_count
0
/sys/devices/system/machinecheck/machinecheck3/decode_unit/decode_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck14/execution_unit/execution_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck14/insn_fetch/insn_fetch/error_count
0
/sys/devices/system/machinecheck/machinecheck14/floating_point/floating_point/error_count
0
/sys/devices/system/machinecheck/machinecheck14/load_store/load_store/error_count
0
/sys/devices/system/machinecheck/machinecheck14/l2_cache/l2_cache/error_count
0
/sys/devices/system/machinecheck/machinecheck14/decode_unit/decode_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck1/execution_unit/execution_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck1/insn_fetch/insn_fetch/error_count
0
/sys/devices/system/machinecheck/machinecheck1/floating_point/floating_point/error_count
0
/sys/devices/system/machinecheck/machinecheck1/load_store/load_store/error_count
0
/sys/devices/system/machinecheck/machinecheck1/l2_cache/l2_cache/error_count
0
/sys/devices/system/machinecheck/machinecheck1/decode_unit/decode_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck12/execution_unit/execution_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck12/insn_fetch/insn_fetch/error_count
0
/sys/devices/system/machinecheck/machinecheck12/floating_point/floating_point/error_count
0
/sys/devices/system/machinecheck/machinecheck12/load_store/load_store/error_count
0
/sys/devices/system/machinecheck/machinecheck12/l2_cache/l2_cache/error_count
0
/sys/devices/system/machinecheck/machinecheck12/decode_unit/decode_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck10/execution_unit/execution_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck10/insn_fetch/insn_fetch/error_count
0
/sys/devices/system/machinecheck/machinecheck10/floating_point/floating_point/error_count
0
/sys/devices/system/machinecheck/machinecheck10/load_store/load_store/error_count
0
/sys/devices/system/machinecheck/machinecheck10/l2_cache/l2_cache/error_count
0
/sys/devices/system/machinecheck/machinecheck10/decode_unit/decode_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck8/execution_unit/execution_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck8/insn_fetch/insn_fetch/error_count
0
/sys/devices/system/machinecheck/machinecheck8/floating_point/floating_point/error_count
0
/sys/devices/system/machinecheck/machinecheck8/load_store/load_store/error_count
0
/sys/devices/system/machinecheck/machinecheck8/l2_cache/l2_cache/error_count
0
/sys/devices/system/machinecheck/machinecheck8/decode_unit/decode_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck6/execution_unit/execution_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck6/insn_fetch/insn_fetch/error_count
0
/sys/devices/system/machinecheck/machinecheck6/floating_point/floating_point/error_count
0
/sys/devices/system/machinecheck/machinecheck6/load_store/load_store/error_count
0
/sys/devices/system/machinecheck/machinecheck6/l2_cache/l2_cache/error_count
0
/sys/devices/system/machinecheck/machinecheck6/decode_unit/decode_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck4/execution_unit/execution_unit/error_count
0
/sys/devices/system/machinecheck/machinecheck4/insn_fetch/insn_fetch/error_count
0
/sys/devices/system/machinecheck/machinecheck4/floating_point/floating_point/error_count
0
/sys/devices/system/machinecheck/machinecheck4/load_store/load_store/error_count
0
/sys/devices/system/machinecheck/machinecheck4/l2_cache/l2_cache/error_count
0
/sys/devices/system/machinecheck/machinecheck4/decode_unit/decode_unit/error_count
0
I also did run memtest86+, 5 complete runs (~4.5h) passed without fail.
Bert Karwatzki
next prev parent reply other threads:[~2026-02-13 12:45 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-15 1:00 spurious mce Hardware Error messages in next-20250912 Bert Karwatzki
2025-09-15 17:55 ` Yazen Ghannam
2025-09-15 21:03 ` Bert Karwatzki
2025-09-15 21:43 ` Bert Karwatzki
2025-09-16 9:10 ` Borislav Petkov
2025-09-16 14:07 ` Yazen Ghannam
2025-09-16 20:27 ` Bert Karwatzki
2025-09-17 7:13 ` Bert Karwatzki
2025-09-17 14:41 ` Yazen Ghannam
2025-09-17 15:33 ` Bert Karwatzki
2025-09-17 19:26 ` Yazen Ghannam
2025-09-17 21:15 ` Yazen Ghannam
2025-09-17 22:01 ` Bert Karwatzki
2025-09-18 10:20 ` Nikolay Borisov
2025-09-18 21:00 ` Yazen Ghannam
2025-09-18 21:04 ` Luck, Tony
2025-09-18 21:14 ` Yazen Ghannam
2025-09-18 22:07 ` Bert Karwatzki
2025-10-09 13:20 ` Yazen Ghannam
2026-02-12 12:50 ` spurious (?) mce Hardware Error messages in v6.19 Bert Karwatzki
2026-02-13 12:45 ` Bert Karwatzki [this message]
2026-02-16 20:25 ` Yazen Ghannam
2026-02-19 14:33 ` Yazen Ghannam
2026-02-19 15:43 ` Bert Karwatzki
2026-02-20 16:49 ` Mario Limonciello
2026-02-20 18:24 ` Bert Karwatzki
2026-02-23 21:53 ` Yazen Ghannam
2026-04-03 14:05 ` Borislav Petkov
2026-04-05 8:47 ` Bert Karwatzki
2026-04-05 10:46 ` Borislav Petkov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=cb484717e2600ae729b55ccfc92e807d88e5ab31.camel@web.de \
--to=spasswolf@web$(echo .)de \
--cc=Smita.KoralahalliChannabasappa@amd$(echo .)com \
--cc=bp@alien8$(echo .)de \
--cc=linux-acpi@vger$(echo .)kernel.org \
--cc=linux-edac@vger$(echo .)kernel.org \
--cc=linux-kernel@vger$(echo .)kernel.org \
--cc=linux-next@vger$(echo .)kernel.org \
--cc=nik.borisov@suse$(echo .)com \
--cc=qiuxu.zhuo@intel$(echo .)com \
--cc=rafael@kernel$(echo .)org \
--cc=tony.luck@intel$(echo .)com \
--cc=x86@kernel$(echo .)org \
--cc=yazen.ghannam@amd$(echo .)com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox