Public bug reported:
Binary package hint: linux-image-generic
Hi,
I'm using the latest "proposed" linux kernel with Jaunty:
fwyz...@katchoo:~$ uname -a
Linux katchoo 2.6.28-15-generic #48-Ubuntu SMP Wed Jul 29 08:53:35 UTC 2009
x86_64 GNU/Linux
on an Asus M50V laptop, which has an integrated Infineon 1.2 TPM module.
Most TPM commands (from the tpm-tools package) fail with an I/O error due to a
time out in the tpm_tis.ko kernel module:
fwyz...@katchoo:~$ tpm_selftest -l debug
Tspi_Context_Create success
Tspi_Context_Connect success
Tspi_Context_GetTpmObject success
[ 977.896097] tpm_tis 00:0e: Operation Timed out
Tspi_TPM_SelfTestFull failed: 0x00001087 - layer=tddl, code=0087 (135), I/O
error
Tspi_Context_FreeMemory success
Tspi_Context_Close success
fwyz...@katchoo:~$ tpm_takeownership -l debug -z -y
Tspi_Context_Create success
Tspi_Context_Connect success
Tspi_Context_GetTpmObject success
Tspi_GetPolicyObject success
Tspi_Policy_SetSecret success
Tspi_Context_CreateObject success
Tspi_GetPolicyObject success
Tspi_Policy_SetSecret success
[ 406.248070] tpm_tis 00:0e: Operation Timed out
Tspi_TPM_TakeOwnership failed: 0x00001087 - layer=tddl, code=0087 (135), I/O
error
Tspi_Context_CloseObject success
Tspi_Context_FreeMemory success
Tspi_Context_Close success
Looking into the code of the tpm.ko and tpm_tis.ko modules
(drivers/char/tpm/tpm.c, drivers/char/tpm/tpm_tis.c), there are mixed
references to "msecs_to_jiffies" and "usecs_to_jiffies".
If I arbitrarily increase by x1000 some of the time out values using
"msecs_to_jiffies" everywhere instead of "usecs...", and recompile the modules
(using DKMS), the tpm-tools work fine.
ProblemType: Bug
Architecture: amd64
DistroRelease: Ubuntu 9.04
NonfreeKernelModules: openafs nvidia
Package: linux-image-generic 2.6.28.15.20
ProcEnviron:
SHELL=/bin/bash
LANG=en_GB.UTF-8
LANGUAGE=en_GB:en
SourcePackage: linux-meta
Uname: Linux 2.6.28-15-generic x86_64
** Affects: linux-meta (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug
--
module tpm_tis times out
https://bugs.launchpad.net/bugs/413519
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