[Bug 215447] New: sr_mod scsi_mode_sense() failure -> "scsi-1 drive"

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https://bugzilla.kernel.org/show_bug.cgi?id=215447

            Bug ID: 215447
           Summary: sr_mod scsi_mode_sense() failure -> "scsi-1 drive"
           Product: SCSI Drivers
           Version: 2.5
    Kernel Version: 5.15.6
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Other
          Assignee: scsi_drivers-other@kernel-bugs.osdl.org
          Reporter: cshorler@googlemail.com
        Regression: No

Created attachment 300216
  --> https://bugzilla.kernel.org/attachment.cgi?id=300216&action=edit
SUSE Tumbleweed default kernel with CONFIG_FUSION_LOGGING (debug_level 0x488)

scsi_lib.c: scsi_mode_sense() has defaults assuming MODE_SENSE_10, fallback to
MODE_SENSE if that fails.

sr.c: doesn't set sdev->use_10_for_ms.  In my case this causes
scsi_mode_sense() to fail and "scsi-1 drive" fallback to be selected.

I tried setting use_10_for_ms in the sr_probe() function, seems to work for
code page 0x2A, as requested by sr.c.

I'm unsure where the request for code page 0x19 originates / if failure is
acceptable or if it indicates another issue.

4 attachments

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