Messages in this thread Patch in this message | | | Subject | Re: [PATCH 2/2 V2] remoteproc: qcom: Add full coredump fallback mechanism | From | Sibi Sankar <> | Date | Tue, 24 May 2022 15:33:30 +0530 |
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On 5/21/22 11:44 AM, Sibi Sankar wrote: > Hey Yogesh, > Looks like you missed adding the patch that uses the exported > rproc_cleanup api. > > > On 5/10/22 4:55 PM, Yogesh Lal wrote: >> From: Siddharth Gupta <sidgup@codeaurora.org> >> >> If a remoteproc's firmware does not support minidump but the driver >> adds an ID, the minidump driver does not collect any coredumps when >> the remoteproc crashes. This hinders the purpose of coredump >> collection. This change adds a fallback mechanism in the event of a >> crash. >> > > Reviewed-by: Sibi Sankar <quic_sibis@quicinc.com> > >> Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org> >> Signed-off-by: Yogesh Lal <quic_ylal@quicinc.com> >> --- >> drivers/remoteproc/qcom_common.c | 7 +++++-- >> drivers/remoteproc/qcom_q6v5_pas.c | 1 + >> 2 files changed, 6 insertions(+), 2 deletions(-) >> >> diff --git a/drivers/remoteproc/qcom_common.c >> b/drivers/remoteproc/qcom_common.c >> index 4b91e3c..b3fdc66 100644 >> --- a/drivers/remoteproc/qcom_common.c >> +++ b/drivers/remoteproc/qcom_common.c >> @@ -163,8 +163,11 @@ void qcom_minidump(struct rproc *rproc, unsigned >> int minidump_id) >> */ >> if (subsystem->regions_baseptr == 0 || >> le32_to_cpu(subsystem->status) != 1 || >> - le32_to_cpu(subsystem->enabled) != MD_SS_ENABLED || >> - le32_to_cpu(subsystem->encryption_status) != MD_SS_ENCR_DONE) { >> + le32_to_cpu(subsystem->enabled) != MD_SS_ENABLED) { >> + return rproc_coredump(rproc); >> + } >> + >> + if (le32_to_cpu(subsystem->encryption_status) != MD_SS_ENCR_DONE) { >> dev_err(&rproc->dev, "Minidump not ready, skipping\n"); >> return; >> }
Yogesh,
/**
* Clear out the dump segments populated by parse_fw before
* re-populating them with minidump segments.
*/ rproc_coredump_cleanup(rproc);
You'll still need to cleanup segments populated by parse_fw before you move onto to minidumps.
>> diff --git a/drivers/remoteproc/qcom_q6v5_pas.c >> b/drivers/remoteproc/qcom_q6v5_pas.c >> index 401b1ec..6e5cbca 100644 >> --- a/drivers/remoteproc/qcom_q6v5_pas.c >> +++ b/drivers/remoteproc/qcom_q6v5_pas.c >> @@ -274,6 +274,7 @@ static const struct rproc_ops adsp_minidump_ops = { >> .start = adsp_start, >> .stop = adsp_stop, >> .da_to_va = adsp_da_to_va, >> + .parse_fw = qcom_register_dump_segments, >> .load = adsp_load, >> .panic = adsp_panic, >> .coredump = adsp_minidump, >>
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