The SD card can't find after cool boot from Ubuntu.
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Ubuntu |
New
|
Undecided
|
Unassigned |
Bug Description
Issue brief:
With Linux (Ubuntu 22.04/ Kernel 5.15.0-25), we are meeting an issue of SD card reorganization after cold boot under Jasper Lake platform.
When inserting an SD card and cold boot the device, the device boot into system without detecting the SD card.
The card reader is from Intel SOC, and Jasper lake CRB is able to duplicate the SD card reorganization issue with Ubuntu, whereas OS Windows does not have the same trouble.
Expected result: The SD card should be detect after cold boot.
We also found a new clue that under normal status (with or without TF card inserted after booting), the mmc_rescan() function starts from "test--
But when TF card is powered on (poweron-
That means, "mmc_rescan" has not been executed before executed again. We are wondering if this is the reason why the TF card cannot be recognized when the TF card is turned-on.
We attached the logs of this issue:
1. poweron-
2. poweron-
3. OK.log
4. ./mmc: This directory corresponds to the log code, please search for "KERN_ERR" in the code
Thanks for taking the time to report this bug and helping to make Ubuntu better. We appreciate the difficulties you are facing, but this appears to be a "regular" (non-security) bug. I have unmarked it as a security issue since this bug does not show evidence of allowing attackers to cross privilege boundaries nor directly cause loss of data/privacy. Please feel free to report any other bugs you may find.