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Bug#1140461: spam wave of kernel: tpm tpm0: tpm_try_transmit: send(): error -62

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Hello,

On Sun, Jun 21, 2026 at 01:38:06AM +0000, gresser@riseup.net wrote:
> Package: linux-image-amd64
> Version: 6.12.90-2
> 
> I freshly installed Debian Stable on some PCs and those are getting
> spammed by the kernel. Those are way frequent, pushing other logs in
> journal.
> 
> Could you please tone this down, maybe stop writing to journal so
> frequently?
> 
> This is not just my problem, because searching for it yields similar
> reports;
> 
> -
> https://forums.unraid.net/topic/192064-kernel-tpm-tpm0-tpm_try_transmit-send-error-62/
> -
> https://community.st.com/interface-and-connectivity-ics-52/linux-driver-for-tcg-tpm-i2c-drv-returning-error-62-after-chip-reset-through-gpio-131942
> -
> https://lists.debian.org/.internal/challenge.html?original=%2fdebian-kernel%2f2025%2f04%2fmsg00146.html
> (BTW your "I challenge thee" loops forever until I press F5 on browser)
> 
> # lsmod | grep tpm_
> tpm_infineon           16384  0
> 
> # cat /sys/class/tpm/tpm*/tpm_version_major 2>/dev/null
> 1

this is probably the same bug as https://bugs.debian.org/1139269 . For
that we (= Debian kernel team) wait for the reporter to provide a full
kernel log. So your full kernel log would help, too. (Without the
blacklist_module parameter that I suggested on the other end of this bug
thread.)

Best regards
Uwe

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Thread

Bug#1140461: spam wave of kernel: tpm tpm0: tpm_try_transmit: send(): error -62 gresser@riseup.net - 2026-06-21 03:50 +0200
  Bug#1140461: spam wave of kernel: tpm tpm0: tpm_try_transmit: send(): error -62 Marc Haber <mh+debian-bugs@zugschlus.de> - 2026-06-21 09:10 +0200
    Bug#1140461: spam wave of kernel: tpm tpm0: tpm_try_transmit: send(): error -62 gresser@riseup.net - 2026-06-23 02:30 +0200
      Bug#1140461: spam wave of kernel: tpm tpm0: tpm_try_transmit: send(): error -62 Ben Hutchings <ben@decadent.org.uk> - 2026-06-23 11:00 +0200
  Bug#1140461: workaround for this bug gresser@riseup.net - 2026-06-23 02:40 +0200
    Bug#1140461: workaround for this bug Uwe Kleine-König <ukleinek@debian.org> - 2026-06-24 18:40 +0200
  Bug#1140461: spam wave of kernel: tpm tpm0: tpm_try_transmit: send(): error -62 Uwe Kleine-König <ukleinek@debian.org> - 2026-06-24 18:40 +0200

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