[REGRESSION] Loss of some SMART information in v6.1.81

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Hi,

Munin uses the following command to get sensor-type information out of
SMART-aware disks (e.g. temperature):

    /usr/sbin/smartctl -A --nocheck=standby -d ata /dev/sda

This broke following an upgrade from v6.1.76 (as found in Debian 12) to
v6.1.82 (as currently found in the proposed-updates repository for the
next point release of Debian 12), with smartctl's now reporting:

    smartctl 7.3 2022-02-28 r5338 [x86_64-linux-6.1.0-19-amd64] (local build)
    Copyright (C) 2002-22, Bruce Allen, Christian Franke, www.smartmontools.org
    
    Device is in SLEEP mode, exit(2)

This happens on baremetal with 2 pairs of disks:
 - 2×ST4000VN008-2DR1 (sda, sdb)
 - 2×ST8000VN004-2M21 (sdc, sdd)

and that's an obvious lie with one pair doing system stuff and the other
one doing media stuff.

This also happens within a Debian 12 QEMU VM running on a Debian 12
libvirt host, when using a SATA disk, which is what I've used to test
various builds from the stable/linux-6.1.y branch and associated tags.

Building stable releases, I pinpointed it as a regression between
v6.1.80 and v6.1.81, then pinpointed it to commit cf33e6ca12d8.

#regzbot introduced: v6.1.80..v6.1.81
#regzbot introduced: cf33e6ca12d8

This is also affecting v6.1.84 and v6.1.85 (released during my git
bisect session).

Reported in Debian via: https://bugs.debian.org/1068675 (which included
a trace with the distribution-provided v6.1.82 package).

Most recent trace, with v6.1.85 (mainline, using the distribution's
config but without any patches):

    [   30.547027] ------------[ cut here ]------------
    [   30.547034] WARNING: CPU: 0 PID: 697 at drivers/scsi/scsi_lib.c:214 scsi_execute_cmd+0x42/0x2c0 [scsi_mod]
    [   30.547082] Modules linked in: tls tun intel_rapl_msr intel_rapl_common kvm_intel kvm irqbypass ghash_clmulni_intel sha512_ssse3 sha512_generic sha256_ssse3 sha1_ssse3 snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi aesni_intel snd_hda_codec crypto_simd cryptd rapl snd_hda_core snd_hwdep bochs drm_vram_helper pcspkr drm_ttm_helper snd_pcm iTCO_wdt snd_timer intel_pmc_bxt ttm iTCO_vendor_support snd watchdog soundcore virtio_console virtio_balloon drm_kms_helper button joydev evdev serio_raw sg binfmt_misc fuse loop drm efi_pstore dm_mod configfs qemu_fw_cfg virtio_rng ip_tables x_tables autofs4 ext4 crc32c_generic crc16 mbcache jbd2 hid_generic usbhid hid sd_mod t10_pi crc64_rocksoft crc64 crc_t10dif crct10dif_generic ahci libahci virtio_scsi virtio_blk virtio_net net_failover failover xhci_pci crct10dif_pclmul crct10dif_common crc32_pclmul libata crc32c_intel xhci_hcd psmouse i2c_i801 i2c_smbus scsi_mod scsi_common lpc_ich virtio_pci
    [   30.547194]  virtio_pci_legacy_dev virtio_pci_modern_dev usbcore usb_common virtio virtio_ring
    [   30.547205] CPU: 0 PID: 697 Comm: smartctl Not tainted 6.1.85 #1
    [   30.547210] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
    [   30.547217] RIP: 0010:scsi_execute_cmd+0x42/0x2c0 [scsi_mod]
    [   30.547247] Code: 55 48 89 fd 53 48 83 ec 10 4c 8b 64 24 50 48 89 0c 24 4d 85 e4 0f 84 02 02 00 00 49 83 3c 24 00 74 24 41 83 7c 24 08 60 74 1c <0f> 0b bd ea ff ff ff 48 83 c4 10 89 e8 5b 5d 41 5c 41 5d 41 5e 41
    [   30.547251] RSP: 0018:ffffa70f80defbd0 EFLAGS: 00010287
    [   30.547256] RAX: ffffa70f80defc30 RBX: ffff9ab18b085000 RCX: 0000000000000000
    [   30.547259] RDX: 0000000000000022 RSI: 0000000000000022 RDI: ffff9ab18b085000
    [   30.547262] RBP: ffff9ab18b085000 R08: 0000000000000000 R09: 00000000000009c4
    [   30.547265] R10: 0000000000000000 R11: 0000000000000000 R12: ffffa70f80defc30
    [   30.547268] R13: 0000000000000000 R14: 00000000000009c4 R15: ffffa70f80defc60
    [   30.547271] FS:  00007f8ee64ad840(0000) GS:ffff9ab1bec00000(0000) knlGS:0000000000000000
    [   30.547275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
    [   30.547278] CR2: 00007fff08df0bc0 CR3: 000000000439a003 CR4: 0000000000170ef0
    [   30.547291] Call Trace:
    [   30.547296]  <TASK>
    [   30.547301]  ? __warn+0x7d/0xc0
    [   30.547308]  ? scsi_execute_cmd+0x42/0x2c0 [scsi_mod]
    [   30.547338]  ? report_bug+0xe2/0x150
    [   30.547348]  ? handle_bug+0x41/0x70
    [   30.547354]  ? exc_invalid_op+0x13/0x60
    [   30.547358]  ? asm_exc_invalid_op+0x16/0x20
    [   30.547368]  ? scsi_execute_cmd+0x42/0x2c0 [scsi_mod]
    [   30.547397]  ata_cmd_ioctl+0x144/0x2f0 [libata]
    [   30.547448]  scsi_ioctl+0x3f5/0x930 [scsi_mod]
    [   30.547477]  ? scsi_block_when_processing_errors+0x22/0x100 [scsi_mod]
    [   30.547503]  ? __mod_lruvec_page_state+0x93/0x140
    [   30.547508]  ? scsi_ioctl_block_when_processing_errors+0x45/0x50 [scsi_mod]
    [   30.547535]  blkdev_ioctl+0x133/0x270
    [   30.547553]  __x64_sys_ioctl+0x90/0xd0
    [   30.547564]  do_syscall_64+0x55/0xb0
    [   30.547574]  ? handle_mm_fault+0xdb/0x2d0
    [   30.547582]  ? do_user_addr_fault+0x1b0/0x580
    [   30.547589]  ? exit_to_user_mode_prepare+0x40/0x1e0
    [   30.547596]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
    [   30.547608] RIP: 0033:0x7f8ee611cc5b
    [   30.547617] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
    [   30.547621] RSP: 002b:00007fff08df0960 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
    [   30.547626] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8ee611cc5b
    [   30.547629] RDX: 00007fff08df0bc0 RSI: 000000000000031f RDI: 0000000000000003
    [   30.547632] RBP: 00007fff08df1040 R08: 0000000000000000 R09: 0000000000000000
    [   30.547634] R10: e7e85eefeeee1b19 R11: 0000000000000246 R12: 000056348ba28600
    [   30.547637] R13: 00007fff08df0bc0 R14: 00007fff08df12e0 R15: 0000000000000000
    [   30.547642]  </TASK>
    [   30.547644] ---[ end trace 0000000000000000 ]---


Cheers,
-- 
Cyril Brulebois (kibi@xxxxxxxxxx)            <https://debamax.com/>
D-I release manager -- Release team member -- Freelance Consultant

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