https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=297574
Bug ID: 297574
Summary: mmcsd: diskinfo returns bridge ID and serial instead
of card ID and serial
Product: Base System
Version: 15.1-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Scenario:
- FreeBSD stable/15 at bf0ffcaa5649 with minor patches
- Inserting any SD card (SDXC) into card reader; it shows up as da0
- Issuing "diskinfo -v /dev/da0"
Result:
- The command always returns the ID and serial of the bridge:
[0]# diskinfo -v /dev/da0
/dev/da0
512 # sectorsize
512711720960 # mediasize in bytes (478G)
1001390080 # mediasize in sectors
0 # stripesize
0 # stripeoffset
62333 # Cylinders according to firmware.
255 # Heads according to firmware.
63 # Sectors according to firmware.
Mass Storage Device # Disk descr.
121220160204 # Disk ident.
umass-sim0 # Attachment
No # TRIM/UNMAP support
Unknown # Rotation rate in RPM
Not_Zoned # Zone Mode
[0]#
- The "Disk descr." and "Disk ident." are always the same, regardless of disk
inserted.
Expected result:
- A saved output from 2019 looks like this:
[0]# cat diskinfo.-v
/dev/mmcsd0
512 # sectorsize
62914560000 # mediasize in bytes (59G)
122880000 # mediasize in sectors
4194304 # stripesize
0 # stripeoffset
SDHC SDU1 1.0 SN 14A11C28 MFG 09/2018 by 27 SM # Disk descr.
14A11C28 # Disk ident.
Yes # TRIM/UNMAP support
0 # Rotation rate in RPM
[0]#
- The description and identity are from the card and change depending on which
card is inserted.
Notes:
- It seems that with the CAMification of the SD card driver, the functionality
for reading the correct information was lost.
-- Martin
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