11/8/2023 0 Comments Samsung flow tpm error![]() ![]() Wt., o 12:02 Laurent Bigonville napisał(a): Please ensure you have applied Jarkko's patch that logs regards Tpm_tis_status() might return something different than 0xff here. The place already guarded by tpm_chip_start()/stop() - tpm2_probe().Ĭan you paste more dmesg log? (With tpm prefix?). I think your case is different, as the trace shows the issue occurs in ![]() > And I have no means to generate the full trace anyway. Reading the paragraph with “ with the following warning trace:” (andĬolon), I would expect to see some trace, and not the next section > There is partial trace, which I took from the Lukasz patch. The described situation manifests itself > with the following warning trace: > Did you miss to paste the trace? > > Am 16.02.21 um 09:17 schrieb Jarkko Sakkinen: > From: Lukasz Majczak > This is shown with Samsung Chromebook Pro (Caroline) with TPM 1.2 > (SLB 9670): > TPM returned invalid status > WARNING: CPU: 2 PID: 1 at drivers/char/tpm/tpm_tis_core.c:275 tpm_tis_status+0x86/0x8f > Background > = > TCG PC Client Platform TPM Profile (PTP) Specification, paragraph 6.1 FIFO > Interface Locality Usage per Register, Table 39 Register Behavior Based on > Locality Setting for FIFO - a read attempt to TPM_STS_x Registers returns > 0xFF in case of lack of locality. IMHO that isĪnd I have no means to generate the full trace anyway. There is partial trace, which I took from the Lukasz patch. The described situation manifests itself > with the following warning trace: > Did you miss to paste the trace? > Kind regards, > Paul ![]() > Dear Jarkko, > Am 16.02.21 um 09:17 schrieb Jarkko Sakkinen: > From: Lukasz Majczak > This is shown with Samsung Chromebook Pro (Caroline) with TPM 1.2 > (SLB 9670): > TPM returned invalid status > WARNING: CPU: 2 PID: 1 at drivers/char/tpm/tpm_tis_core.c:275 tpm_tis_status+0x86/0x8f > Background > = > TCG PC Client Platform TPM Profile (PTP) Specification, paragraph 6.1 FIFO > Interface Locality Usage per Register, Table 39 Register Behavior Based on > Locality Setting for FIFO - a read attempt to TPM_STS_x Registers returns > 0xFF in case of lack of locality. Since v5 had a crippledĬhange log I just restarted the version count.ĭrivers/char/tpm/tpm-interface.c | 16 ++++++++++++++-ĭrivers/char/tpm/tpm_tis_core.c | 16 +++++++++++++-Ģ files changed, 27 insertions(+), 5 deletions(-) It was easier to write a new patch based on v5. Signed-off-by: Jarkko Sakkinen Reviewed-by: Guenter Roeck The described situation manifests itselfĪdd the proper decorations to tpm_tis_gen_interrupt() andįixes: a3fbfae82b4c ("tpm: take TPM chip power gating out of tpm_transmit()") Locality Setting for FIFO - a read attempt to TPM_STS_x Registers returnsĠxFF in case of lack of locality. Interface Locality Usage per Register, Table 39 Register Behavior Based on TCG PC Client Platform TPM Profile (PTP) Specification, paragraph 6.1 FIFO WARNING: CPU: 2 PID: 1 at drivers/char/tpm/tpm_tis_core.c:275 tpm_tis_status+0x86/0x8f This is shown with Samsung Chromebook Pro (Caroline) with TPM 1.2 X-Mailing-List: tpm_tis: Acquire locality in tpm_tis_gen_interrupt() and tpm_get_timeouts() Tpm_tis: Acquire locality in tpm_tis_gen_interrupt() and tpm_get_timeouts() WkU8PEW+4moBP3SBt4apGPPVNkLDTVSk+UCHwh2PtlVkmGQaOlbTQ8dkhpxFNsx/oQībRrHNAGjmNZaVDoqMuSV6bWRepSykq7xlTRq3KkufRE3oPK0D+k23B8SumTopm2n9ĠdbOjVpdmpM//eOa5ix+oMG7gC2QZHVfBUKaZSaOyboYdZdZn24DhMSyUIj6R0cr5M ![]() Received: by (Postfix) with ESMTPSA id DB8AF64E00 ĭKIM-Signature: v=1 a=rsa-sha256 c=relaxed/simple d= īh=3+KOmihDg3ngn6imHg5uAKjDla5mxWLANjT8x0+zpd8= ī=IjboentEOVGUyDhdViLNjoo10oGxPgCUKl75EvAEFd2jdmlA0/iif3vTH/z/HHzAbĮVI32l4kQY2kV8iYW9aPXdQsy+Dxn9rU4GmORIek3YC1zlka411ZKMjm6q1ugVLNBv Received: from ( )īy (Postfix) with ESMTP id B40FF64DAF Received: from ( )īy (Postfix) with ESMTP id E4F3FC433E0 MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GITĪutolearn=ham autolearn_force=no version=3.4.0 X-Spam-Status: No, score=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH,ĭKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, X-Spam-Checker-Version: SpamAssassin 3.4.0 () onĪ ![]()
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