Re: [hatari-devel] Linux-68k and REQUEST SENSE

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To: hatari-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [hatari-devel] Linux-68k and REQUEST SENSE
From: Eero Tamminen <oak@xxxxxxxxxxxxxx>
Date: Mon, 16 Dec 2024 22:56:35 +0200

Hi,

On 16.12.2024 19.02, Uwe Seimet wrote:

I think this question is still open: Will there be an update on the logfiles,
so that current and matching logfiles (both Hatari and Linux) are available?

That log included both NatFeats console output from Linux, and"scsi_cmd" trace output from Hatari ("HDC:" lines).

Debug log level for Hatari SCSI code is mostly just (a lot) more verboseversion of the Hatari SCSI trace output, but I guess it can have alsosome relevant extra information.


=> Log containing that too is attached.


	- Eero

The Linux log says:

HDC: Unsupported command (SCSI, t=0, lun=0, cdb=5a:08:0a:05:00:00:00:02:00:00)!
HDC: REQUEST SENSE (SCSI, t=0, lun=0, cdb=03:00:00:00:60:00).
HDC: TEST UNIT READY (SCSI, t=0, lun=0, cdb=00:00:00:00:00:00).
HDC: READ CAPACITY (SCSI, t=0, lun=0, cdb=25:00:00:00:00:00:00:00:00:00)
3 repeats of: HDC: READ CAPACITY (SCSI, t=0, lun=0, cdb=25:00:00:00:00:00:00:00:00:00)
HDC: MODE SENSE (SCSI, t=0, lun=0, cdb=1a:00:3f:00:04:00).
HDC: MODE SENSE (SCSI, t=0, lun=0, cdb=1a:00:08:00:04:00).
HDC: REQUEST SENSE (SCSI, t=0, lun=0, cdb=03:00:00:00:60:00).
HDC: Unsupported command (SCSI, t=0, lun=0, cdb=5a:08:0a:05:00:00:00:02:00:00)!
HDC: REQUEST SENSE (SCSI, t=0, lun=0, cdb=03:00:00:00:60:00).
HDC: READ SECTOR (SCSI, t=0, lun=0, cdb=28:00:00:00:00:00:00:00:08:00)
with LBA 0x0 -> OK (0)
sd 0:0:0:0: Device offlined - not ready after error recovery
sd 0:0:0:0: [sda] tag#0 FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK cmd_age=40s
sd 0:0:0:0: [sda] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 08 00
I/O error, dev sda, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Buffer I/O error on dev sda, logical block 0, async page read
sd 0:0:0:0: rejecting I/O to offline device
I/O error, dev sda, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Buffer I/O error on dev sda, logical block 0, async page read


Do you also have the matching Hatari logfile? It is strange that the
READ(10) command seems to have failed. This command is used with hard drives

1 GB and TOS all the time.

It would be helpful to know how the SCSI bus phases are looking during this
command, which appears to require RAW_SCSI_DEBUG to be enabled.

Best regards

Uwe

$ hatari --trace os_base,scsi_cmd --log-level debug \
  --fast-forward on --fastfdc on --timer-d on --machine tt --mmu on \
  -s 14 --ttram 64 --addr24 off --natfeats on --scsi 0=bb-rootfs.img \
  -c lilo.cfg --lilo "debug=nfcon root=/dev/sda ro init=/init" \
  2> linux-tt-scsi-log.txt
LILO: (uncompressed) 'vmlinux-m68k-6.12-slub' size:
4957864 bytes
...
LILO: config_file command line: video=atafb:sthigh console=tty
debug=nfcon root=/dev/sda ro init=/init
...
DEBUG: Native Features enabled.
DEBUG: Video_SetSystemTimings 4 3 -> 5 (TT) 500 500 68
INFO : Hatari v2.6.0-devel (Dec 12 2024), compiled on:  Dec 12 2024, 00:21:41
DEBUG: Video_SetSystemTimings 4 3 -> 5 (TT) 500 500 68
DEBUG: Configured max Hatari resolution = 832x588, optimal for ST = 832x552(+36)
DEBUG: update cyc speed 0 throttle 0.000000 clock_mult 512
DEBUG: CPU cycleunit: 256 (0.500)
DEBUG: 1872 CPU functions
INFO : Mounting SCSI HD image 'bb-rootfs.img'
ATARI MBR:
- Partition 0: ID=..., start=0x00000000, size=0.0 MB, flags=0x0 
- Partition 1: ID=..., start=0x00000000, size=0.0 MB, flags=0x0 
- Partition 2: ID=..., start=0x00000000, size=0.0 MB, flags=0x0 
- Partition 3: ID=..., start=0x00000000, size=0.0 MB, flags=0x0 
- Total size: 0.0 MB in 0 partitions
INFO : max ST-RAM on real MegaSTE/TT would be 10MB due to VME, not 14MB
DEBUG: memory_map_Standard_RAM total=14680064 ram0=0 ram1=0 mmu0=2097152 mmu1=0
DEBUG: Loaded TOS version 0.00, starting at $e00000, country code = 0, PAL
DEBUG: Skipped TOS patches.
Reading 'nm' style ASCII symbols from 'System.map-m68k-6.12-slub'...
Removed 803 symbols in same addresses as other symbols.
Skipping detailed duplicate symbols reporting when autoload is enabled.
Loaded 26587 symbols (20150 for code) from 'System.map-m68k-6.12-slub'.
DEBUG: Video_SetSystemTimings 4 3 -> 5 (TT) 500 500 68
DEBUG: Video_SetSystemTimings 4 3 -> 5 (TT) 500 500 68
DEBUG: SCSI BUS reset
DEBUG: Host system has accurate delays. (1)
DEBUG: update cyc speed 0 throttle 0.000000 clock_mult 512
DEBUG: CPU cycleunit: 256 (0.500)
DEBUG: Building CPU, 45926 opcodes (3 -2 0)
DEBUG: CPU=68030, FPU=68882 (host 64b), MMU=68030, JIT=0.
DEBUG:  ~cycle-exact
DEBUG:  no unimplemented floating point instructions
DEBUG: 
DEBUG: update cyc speed 0 throttle 0.000000 clock_mult 512
DEBUG: CPU cycleunit: 256 (0.500)
DEBUG: hardreset, memory cleared
DEBUG: m68k_run_mmu030
DEBUG: CPU reset PC=e00000 (ROM memory)..
DEBUG: 68030 MMU enabled. Page size = 4096 PC=003c16d2
Linux version 6.12.0hatari-00002-g2045261739e8 (eero@teehuone) (m68k-linux-gnu-gcc (Debian 12.2.0-13) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1 Thu Nov 21 01:15:39 EET 2024
printk: legacy console [nfcon0] enabled
INFO : OS clock ticks / second: 100
DEBUG: Increased frameskip to 1
DEBUG: Bus error bget at 00f00039
Atari hardware found: TT_SHIFTER ST_MFP TT_MFP TT_SCSI_DMA TT_SCSI YM2149 PCM SCC_DMA SCC VME SCU TT_CLK FDC_SPEED ACSI
DEBUG: Increased frameskip to 2
Zone ranges:
  DMA      [mem 0x0000000000000000-0x0000004fffffffff]
  Normal   empty
Movable zone start for each node
Early memory node ranges
  node   0: [mem 0x0000000000000000-0x0000000000dfffff]
  node   0: [mem 0x0000000001000000-0x0000000004ffffff]
Initmem setup node 0 [mem 0x0000000000000000-0x0000000004ffffff]
DEBUG: Increased frameskip to 3
DEBUG: Increased frameskip to 4
DEBUG: Increased frameskip to 5
On node 0, zone DMA: 512 pages in unavailable ranges
NatFeats found (Hatari, 1.0)
pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
pcpu-alloc: [0] 0 
Kernel command line: video=atafb:sthigh console=tty debug=nfcon root=/dev/sda ro init=/init BOOT_IMAGE=vmlinux
Unknown kernel command line parameters "BOOT_IMAGE=vmlinux", will be passed to user space.
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes, linear)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes, linear)
Sorting __ex_table...
Built 1 zonelists, mobility grouping on.  Total pages: 19968
mem auto-init: stack:off, heap alloc:off, heap free:off
SLUB: HWalign=16, Order=0-1, MinObjects=0, CPUs=1, Nodes=1
NR_IRQS: 141
clocksource: mfp: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 77769386670404 ns
Console: colour dummy device 80x25
printk: legacy console [tty0] enabled
Calibrating delay loop... 29.28 BogoMIPS (lpj=146432)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
Memory: 73752K/79872K available (2832K kernel code, 257K rwdata, 740K rodata, 128K init, 86K bss, 5860K reserved, 0K cma-reserved)
devtmpfs: initialized
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
futex hash table entries: 256 (order: -1, 3072 bytes, linear)
NET: Registered PF_NETLINK/PF_ROUTE protocol family
DMA: preallocated 128 KiB GFP_KERNEL pool for atomic allocations
DMA: preallocated 128 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations
SCSI subsystem initialized
libata version 3.00 loaded.
clocksource: Switched to clocksource mfp
NET: Registered PF_INET protocol family
IP idents hash table entries: 2048 (order: 2, 16384 bytes, linear)
tcp_listen_portaddr_hash hash table entries: 1024 (order: 0, 4096 bytes, linear)
Table-perturb hash table entries: 4096 (order: 2, 16384 bytes, linear)
TCP established hash table entries: 1024 (order: 0, 4096 bytes, linear)
TCP bind hash table entries: 1024 (order: 1, 8192 bytes, linear)
TCP: Hash tables configured (established 1024 bind 1024)
UDP hash table entries: 256 (order: 0, 4096 bytes, linear)
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear)
NET: Registered PF_UNIX/PF_LOCAL protocol family
workingset: timestamp_bits=30 max_order=15 bucket_order=0
romfs: ROMFS MTD (C) 2007 Red Hat, Inc.
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
io scheduler mq-deadline registered
atafb atafb: phys_screen_base 499000 screen_len 69632
atafb atafb: Determined 640x400, depth 1
atafb atafb:    virtual 640x870
Console: switching to colour frame buffer device 80x25
fb0: frame buffer device, using 68K of video memory
DSP56k driver: Hardware not present
lp: driver loaded but no devices found
Non-volatile memory driver v1.3
parport0: Atari built-in port using irq
parport0: fix this legacy no-device port driver!
lp0: using parport0 (interrupt-driven).
Atari floppy driver: max. HD, track buffering
Probing floppy drive(s):
fd0
brd: module loaded
loop: module loaded
dummy-irq: no IRQ given.  Use irq=N
scsi host0: Atari native SCSI, irq 39, io_port 0x0, base 0x0, can_queue 16, cmd_per_lun 2, sg_tablesize 128, this_id 7, flags { }
DEBUG: raw_scsi: arbitration initiator id 7 (80)
DEBUG: raw_scsi: arbitration
DEBUG: raw_scsi: selected id 0
DEBUG: raw_scsi_put_data got message c0 (1/1)
DEBUG: raw_scsi_put_data got message c0 (1 bytes)
DEBUG: raw_scsi: got command byte 12 (1/6)
DEBUG: raw_scsi: got command byte 00 (2/6)
DEBUG: raw_scsi: got command byte 00 (3/6)
DEBUG: raw_scsi: got command byte 00 (4/6)
DEBUG: raw_scsi: got command byte 24 (5/6)
DEBUG: raw_scsi: got command byte 00 (6/6)
HDC: INQUIRY (SCSI, t=0, lun=0, cdb=12:00:00:00:24:00)
DEBUG: raw_scsi: data in 36 bytes waiting
DEBUG: raw_scsi: data in finished, 36 bytes: status phase
DEBUG: raw_scsi: status byte read 00. Next=1
DEBUG: raw_scsi: message byte read 00. Next=1
scsi 0:0:0:0: Direct-Access     Hatari   EmulatedHarddisk 0180 PQ: 0 ANSI: 1
NET3 PLIP version 2.4-parport gniibe@xxxxxxxxx
plip0: Parallel port at 0xffff8802, using IRQ 8.
PPP generic driver version 2.4.2
DEBUG: raw_scsi: arbitration initiator id 7 (80)
DEBUG: raw_scsi: arbitration
DEBUG: raw_scsi: selected id 0
DEBUG: raw_scsi_put_data got message c1 (1/1)
DEBUG: raw_scsi_put_data got message c1 (1 bytes)
DEBUG: raw_scsi: got command byte 12 (1/6)
DEBUG: raw_scsi: got command byte 20 (2/6)
DEBUG: raw_scsi: got command byte 00 (3/6)
DEBUG: raw_scsi: got command byte 00 (4/6)
DEBUG: raw_scsi: got command byte 24 (5/6)
DEBUG: raw_scsi: got command byte 00 (6/6)
HDC: INQUIRY (SCSI, t=0, lun=1, cdb=12:20:00:00:24:00)
DEBUG: raw_scsi: data in 36 bytes waiting
DEBUG: raw_scsi: data in finished, 36 bytes: status phase
DEBUG: raw_scsi: status byte read 00. Next=1
DEBUG: raw_scsi: message byte read 00. Next=1
DEBUG: raw_scsi: arbitration initiator id 7 (80)
DEBUG: raw_scsi: arbitration
DEBUG: raw_scsi: selected non-existing id 1
PPP Deflate Compression module registered
mousedev: PS/2 mouse device common for all mice
input: Atari Keyboard as /devices/virtual/input/input0
DEBUG: raw_scsi: selected non-existing id 1
DEBUG: raw_scsi: arbitration initiator id 7 (80)
DEBUG: raw_scsi: arbitration
DEBUG: raw_scsi: selected non-existing id 2
input: Atari mouse as /devices/virtual/input/input1
input: m68k beeper as /devices/platform/m68kspkr/input/input2
rtc-generic rtc-generic: registered as rtc0
DEBUG: raw_scsi: selected non-existing id 2
DEBUG: raw_scsi: arbitration initiator id 7 (80)
DEBUG: raw_scsi: arbitration
DEBUG: raw_scsi: selected non-existing id 3
rtc-generic rtc-generic: setting system clock to 2024-12-16T22:48:55 UTC (1734389335)
softdog: initialized. soft_noboot=0 soft_margin=60 sec soft_panic=0 (nowayout=0)
softdog:              soft_reboot_cmd=<not set> soft_active_on_boot=0
NET: Registered PF_PACKET protocol family
DEBUG: raw_scsi: selected non-existing id 3
DEBUG: raw_scsi: arbitration initiator id 7 (80)
DEBUG: raw_scsi: arbitration
DEBUG: raw_scsi: selected non-existing id 4
DEBUG: raw_scsi: selected non-existing id 4
DEBUG: raw_scsi: arbitration initiator id 7 (80)
DEBUG: raw_scsi: arbitration
DEBUG: raw_scsi: selected non-existing id 5
DEBUG: raw_scsi: selected non-existing id 5
DEBUG: raw_scsi: arbitration initiator id 7 (80)
DEBUG: raw_scsi: arbitration
DEBUG: raw_scsi: selected non-existing id 6
DEBUG: raw_scsi: selected non-existing id 6
DEBUG: raw_scsi: arbitration initiator id 7 (80)
DEBUG: raw_scsi: arbitration
DEBUG: raw_scsi: selected id 0
DEBUG: raw_scsi_put_data got message c0 (1/1)
DEBUG: raw_scsi_put_data got message c0 (1 bytes)
DEBUG: raw_scsi: got command byte 00 (1/6)
DEBUG: raw_scsi: got command byte 00 (2/6)
DEBUG: raw_scsi: got command byte 00 (3/6)
DEBUG: raw_scsi: got command byte 00 (4/6)
DEBUG: raw_scsi: got command byte 00 (5/6)
DEBUG: raw_scsi: got command byte 00 (6/6)
HDC: TEST UNIT READY (SCSI, t=0, lun=0, cdb=00:00:00:00:00:00).
DEBUG: raw_scsi: no data, status = 0
DEBUG: raw_scsi: status byte read 00. Next=1
DEBUG: raw_scsi: message byte read 00. Next=1
DEBUG: raw_scsi: arbitration initiator id 7 (80)
DEBUG: raw_scsi: arbitration
DEBUG: raw_scsi: selected id 0
DEBUG: raw_scsi_put_data got message c0 (1/1)
DEBUG: raw_scsi_put_data got message c0 (1 bytes)
DEBUG: raw_scsi: got command byte 25 (1/10)
DEBUG: raw_scsi: got command byte 00 (2/10)
DEBUG: raw_scsi: got command byte 00 (3/10)
DEBUG: raw_scsi: got command byte 00 (4/10)
DEBUG: raw_scsi: got command byte 00 (5/10)
DEBUG: raw_scsi: got command byte 00 (6/10)
DEBUG: raw_scsi: got command byte 00 (7/10)
DEBUG: raw_scsi: got command byte 00 (8/10)
DEBUG: raw_scsi: got command byte 00 (9/10)
DEBUG: raw_scsi: got command byte 00 (10/10)
HDC: READ CAPACITY (SCSI, t=0, lun=0, cdb=25:00:00:00:00:00:00:00:00:00)
DEBUG: raw_scsi: data in 8 bytes waiting
DEBUG: raw_scsi: data in finished, 8 bytes: status phase
DEBUG: raw_scsi: status byte read 00. Next=1
DEBUG: raw_scsi: message byte read 00. Next=1
DEBUG: raw_scsi: arbitration initiator id 7 (80)
DEBUG: raw_scsi: arbitration
DEBUG: raw_scsi: selected id 0
DEBUG: raw_scsi_put_data got message c0 (1/1)
DEBUG: raw_scsi_put_data got message c0 (1 bytes)
DEBUG: raw_scsi: got command byte 25 (1/10)
DEBUG: raw_scsi: got command byte 00 (2/10)
DEBUG: raw_scsi: got command byte 00 (3/10)
DEBUG: raw_scsi: got command byte 00 (4/10)
DEBUG: raw_scsi: got command byte 00 (5/10)
DEBUG: raw_scsi: got command byte 00 (6/10)
DEBUG: raw_scsi: got command byte 00 (7/10)
DEBUG: raw_scsi: got command byte 00 (8/10)
DEBUG: raw_scsi: got command byte 00 (9/10)
DEBUG: raw_scsi: got command byte 00 (10/10)
HDC: READ CAPACITY (SCSI, t=0, lun=0, cdb=25:00:00:00:00:00:00:00:00:00)
DEBUG: raw_scsi: data in 8 bytes waiting
DEBUG: raw_scsi: data in finished, 8 bytes: status phase
DEBUG: raw_scsi: status byte read 00. Next=1
DEBUG: raw_scsi: message byte read 00. Next=1
DEBUG: raw_scsi: arbitration initiator id 7 (80)
DEBUG: raw_scsi: arbitration
DEBUG: raw_scsi: selected id 0
DEBUG: raw_scsi_put_data got message c0 (1/1)
DEBUG: raw_scsi_put_data got message c0 (1 bytes)
DEBUG: raw_scsi: got command byte 25 (1/10)
DEBUG: raw_scsi: got command byte 00 (2/10)
DEBUG: raw_scsi: got command byte 00 (3/10)
DEBUG: raw_scsi: got command byte 00 (4/10)
DEBUG: raw_scsi: got command byte 00 (5/10)
DEBUG: raw_scsi: got command byte 00 (6/10)
DEBUG: raw_scsi: got command byte 00 (7/10)
DEBUG: raw_scsi: got command byte 00 (8/10)
DEBUG: raw_scsi: got command byte 00 (9/10)
DEBUG: raw_scsi: got command byte 00 (10/10)
HDC: READ CAPACITY (SCSI, t=0, lun=0, cdb=25:00:00:00:00:00:00:00:00:00)
DEBUG: raw_scsi: data in 8 bytes waiting
DEBUG: raw_scsi: data in finished, 8 bytes: status phase
DEBUG: raw_scsi: status byte read 00. Next=1
DEBUG: raw_scsi: message byte read 00. Next=1
DEBUG: raw_scsi: arbitration initiator id 7 (80)
DEBUG: raw_scsi: arbitration
DEBUG: raw_scsi: selected id 0
DEBUG: raw_scsi_put_data got message c0 (1/1)
DEBUG: raw_scsi_put_data got message c0 (1 bytes)
DEBUG: raw_scsi: got command byte 25 (1/10)
DEBUG: raw_scsi: got command byte 00 (2/10)
DEBUG: raw_scsi: got command byte 00 (3/10)
DEBUG: raw_scsi: got command byte 00 (4/10)
DEBUG: raw_scsi: got command byte 00 (5/10)
DEBUG: raw_scsi: got command byte 00 (6/10)
DEBUG: raw_scsi: got command byte 00 (7/10)
DEBUG: raw_scsi: got command byte 00 (8/10)
DEBUG: raw_scsi: got command byte 00 (9/10)
DEBUG: raw_scsi: got command byte 00 (10/10)
HDC: READ CAPACITY (SCSI, t=0, lun=0, cdb=25:00:00:00:00:00:00:00:00:00)
DEBUG: raw_scsi: data in 8 bytes waiting
DEBUG: raw_scsi: data in finished, 8 bytes: status phase
DEBUG: raw_scsi: status byte read 00. Next=1
DEBUG: raw_scsi: message byte read 00. Next=1
sd 0:0:0:0: [sda] 8192 512-byte logical blocks: (4.19 MB/4.00 MiB)
DEBUG: raw_scsi: arbitration initiator id 7 (80)
DEBUG: raw_scsi: arbitration
DEBUG: raw_scsi: selected id 0
DEBUG: raw_scsi_put_data got message c0 (1/1)
DEBUG: raw_scsi_put_data got message c0 (1 bytes)
DEBUG: raw_scsi: got command byte 1a (1/6)
DEBUG: raw_scsi: got command byte 00 (2/6)
DEBUG: raw_scsi: got command byte 3f (3/6)
DEBUG: raw_scsi: got command byte 00 (4/6)
DEBUG: raw_scsi: got command byte 04 (5/6)
DEBUG: raw_scsi: got command byte 00 (6/6)
HDC: MODE SENSE (SCSI, t=0, lun=0, cdb=1a:00:3f:00:04:00).
DEBUG: raw_scsi: data in 44 bytes waiting
DEBUG: raw_scsi: data in finished, 44 bytes: status phase
DEBUG: raw_scsi: status byte read 00. Next=1
DEBUG: raw_scsi: message byte read 00. Next=1
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 2b 00 00 00
DEBUG: raw_scsi: arbitration initiator id 7 (80)
DEBUG: raw_scsi: arbitration
DEBUG: raw_scsi: selected id 0
DEBUG: raw_scsi_put_data got message c0 (1/1)
DEBUG: raw_scsi_put_data got message c0 (1 bytes)
DEBUG: raw_scsi: got command byte 1a (1/6)
DEBUG: raw_scsi: got command byte 00 (2/6)
DEBUG: raw_scsi: got command byte 08 (3/6)
DEBUG: raw_scsi: got command byte 00 (4/6)
DEBUG: raw_scsi: got command byte 04 (5/6)
DEBUG: raw_scsi: got command byte 00 (6/6)
HDC: MODE SENSE (SCSI, t=0, lun=0, cdb=1a:00:08:00:04:00).
TODO : HDC: Unsupported MODE SENSE mode page
DEBUG: raw_scsi: no data, status = 2
DEBUG: raw_scsi: status byte read 02. Next=1
DEBUG: raw_scsi: message byte read 00. Next=1
DEBUG: raw_scsi: arbitration initiator id 7 (80)
DEBUG: raw_scsi: arbitration
DEBUG: raw_scsi: selected id 0
DEBUG: raw_scsi_put_data got message 80 (1/1)
DEBUG: raw_scsi_put_data got message 80 (1 bytes)
DEBUG: raw_scsi: got command byte 03 (1/6)
DEBUG: raw_scsi: got command byte 00 (2/6)
DEBUG: raw_scsi: got command byte 00 (3/6)
DEBUG: raw_scsi: got command byte 00 (4/6)
DEBUG: raw_scsi: got command byte 60 (5/6)
DEBUG: raw_scsi: got command byte 00 (6/6)
HDC: REQUEST SENSE (SCSI, t=0, lun=0, cdb=03:00:00:00:60:00).
DEBUG: raw_scsi: data in 22 bytes waiting
DEBUG: raw_scsi: data in finished, 22 bytes: status phase
DEBUG: DMA initiator recv PC=001c9f66
DEBUG: SCSI BUS reset
sd 0:0:0:0: Device offlined - not ready after error recovery
sd 0:0:0:0: [sda] Asking for cache data failed
sd 0:0:0:0: [sda] Assuming drive cache: write through
sd 0:0:0:0: rejecting I/O to offline device
sd 0:0:0:0: [sda] Attached SCSI disk
VFS: Cannot open root device "/dev/sda" or unknown-block(8,0): error -6
Please append a correct "root=" boot option; here are the available partitions:
0200            3280 fd0 
 (driver?)
0201            3280 fd1 
 (driver?)
0100            4096 ram0 
 (driver?)
0800            4096 sda 
 driver: sd
List of all bdev filesystems:
 ext2
 vfat
 msdos
 romfs

Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,0)

Follow-Ups:
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  - From: Uwe Seimet

References:
- Re: [hatari-devel] Linux-68k and REQUEST SENSE
  - From: Uwe Seimet

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