[Bug 216232] mysterious block devices are shown under /dev folder

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=216232

--- Comment #1 from Hannes Reinecke (hare@suse.de) ---
On 7/10/22 11:47, bugzilla-daemon@kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=216232
> 
>              Bug ID: 216232
>             Summary: mysterious block devices are shown under /dev folder
>             Product: SCSI Drivers
>             Version: 2.5
>      Kernel Version: 5.4.61
>            Hardware: All
>                  OS: Linux
>                Tree: Mainline
>              Status: NEW
>            Severity: normal
>            Priority: P1
>           Component: QLOGIC QLA2XXX
>            Assignee: scsi_drivers-qla2xxx@kernel-bugs.osdl.org
>            Reporter: yshxxsjt715@gmail.com
>          Regression: No
> 
> we are using linux kernel 5.4.61 and fibre channel card is qlogic's
> ISP2722-based 16/32Gb adapter card.
> 
> the problem is that we are seeing some devices with lun 768 with size of 512B
> shown under /dev folder. In the syslog we saw something like
> 
> Jul 10 17:00:08 hci01 kernel: [21675145.568997] scsi_io_completion_action: 24
> callbacks suppressed
> Jul 10 17:00:08 hci01 kernel: [21675145.569005] sd 6:0:0:768: [sdau] tag#1298
> FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> Jul 10 17:00:08 hci01 kernel: [21675145.569011] sd 6:0:0:768: [sdau] tag#1298
> Sense Key : Illegal Request [current]
> Jul 10 17:00:08 hci01 kernel: [21675145.569015] sd 6:0:0:768: [sdau] tag#1298
> Add. Sense: Logical block address out of range
> Jul 10 17:00:08 hci01 kernel: [21675145.569019] sd 6:0:0:768: [sdau] tag#1298
> CDB: Read(10) 28 00 00 00 00 00 00 00 01 00
> Jul 10 17:00:08 hci01 kernel: [21675145.569021] print_req_error: 24 callbacks
> suppressed
> Jul 10 17:00:08 hci01 kernel: [21675145.569025] blk_update_request: critical
> target error, dev sdau, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio
> class 0
> Jul 10 17:00:08 hci01 kernel: [21675145.601879] sd 6:0:0:768: [sdau] tag#1299
> FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> Jul 10 17:00:08 hci01 kernel: [21675145.601883] sd 6:0:0:768: [sdau] tag#1299
> Sense Key : Illegal Request [current]
> Jul 10 17:00:08 hci01 kernel: [21675145.601886] sd 6:0:0:768: [sdau] tag#1299
> Add. Sense: Logical block address out of range
> Jul 10 17:00:08 hci01 kernel: [21675145.601888] sd 6:0:0:768: [sdau] tag#1299
> CDB: Read(10) 28 00 00 00 00 00 00 00 01 00
> Jul 10 17:00:08 hci01 kernel: [21675145.601891] blk_update_request: critical
> target error, dev sdau, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio
> class
> 0
> Jul 10 17:00:08 hci01 kernel: [21675145.604213] buffer_io_error: 22 callbacks
> suppressed
> Jul 10 17:00:08 hci01 kernel: [21675145.604215] Buffer I/O error on dev sdau,
> logical block 0, async page read
> Jul 10 17:00:08 hci01 kernel: [21675145.634149] sd 6:0:0:768: [sdau] tag#1300
> FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> Jul 10 17:00:08 hci01 kernel: [21675145.634152] sd 6:0:0:768: [sdau] tag#1300
> Sense Key : Illegal Request [current]
> Jul 10 17:00:08 hci01 kernel: [21675145.634155] sd 6:0:0:768: [sdau] tag#1300
> Add. Sense: Logical block address out of range
> Jul 10 17:00:08 hci01 kernel: [21675145.634158] sd 6:0:0:768: [sdau] tag#1300
> CDB: Read(10) 28 00 00 00 00 00 00 00 01 00
> 
> here, the lun id of 768 does not exist on SAN but when I try to manually
> delete
> it, after some seconds it still appears.
> 

This looks more like a configuration issue on the storage.
What is the output of 'lsscsi' on your system?

Cheers,

Hannes

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