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Message-ID: <176839089913.2398366.61500945766820256@eldamar.lan>
Date: Wed, 14 Jan 2026 12:47:45 +0100
From: Salvatore Bonaccorso <carnil@...ian.org>
To: Damien Le Moal <dlemoal@...nel.org>,
	"Martin K . Petersen" <martin.petersen@...cle.com>,
	Christoph Hellwig <hch@....de>,
	John Garry <john.g.garry@...cle.com>,
	Johannes Thumshirn <johannes.thumshirn@....com>,
	Hannes Reinecke <hare@...e.de>, Jens Axboe <axboe@...nel.dk>,
	Niklas Cassel <cassel@...nel.org>
Cc: linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	1120831@...s.debian.org, snow.wolf.29@...ton.me,
	stable@...r.kernel.org, regressions@...ts.linux.dev
Subject: [regression] failed command: READ FPDMA QUEUED after boot for INTEL
 SSDSC2KG480G8, XCV10120 after 9b8b84879d4a ("block: Increase
 BLK_DEF_MAX_SECTORS_CAP")

Control: forwarded -1 https://lore.kernel.org/regressions/176839089913.2398366.61500945766820256@eldamar.lan 
Hi

A user reported a regression affecting his devices after 9b8b84879d4a
("block: Increase BLK_DEF_MAX_SECTORS_CAP") which maybe needs a
similar quirk like 2e9832713631 ("ata: libata-core: Quirk DELLBOSS VD
max_sectors").

The full report is at https://bugs.debian.org/1120831

One full boot log (without tainted kernel) is provided in
https://bugs.debian.org/1120831#55 , where:

Dec 10 18:56:03 kernel: ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
Dec 10 18:56:03 kernel: ata1.00: Model 'INTEL SSDSC2KG480G8', rev 'XCV10120', applying quirks: zeroaftertrim
Dec 10 18:56:03 kernel: ata1.00: ATA-10: INTEL SSDSC2KG480G8, XCV10120, max UDMA/133
Dec 10 18:56:03 kernel: ata1.00: 937703088 sectors, multi 1: LBA48 NCQ (depth 32)
Dec 10 18:56:03 kernel: ata1.00: configured for UDMA/133
Dec 10 18:56:03 kernel: scsi 0:0:0:0: Direct-Access ATA INTEL SSDSC2KG48 0120 PQ: 0 ANSI: 5
Dec 10 18:56:03 kernel: iTCO_vendor_support: vendor-support=0
Dec 10 18:56:03 kernel: ata1.00: Enabling discard_zeroes_data
Dec 10 18:56:03 kernel: sd 0:0:0:0: [sda] 937703088 512-byte logical blocks: (480 GB/447 GiB)
Dec 10 18:56:03 kernel: sd 0:0:0:0: [sda] 4096-byte physical blocks
Dec 10 18:56:03 kernel: sd 0:0:0:0: [sda] Write Protect is off
Dec 10 18:56:03 kernel: sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
Dec 10 18:56:03 kernel: sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
Dec 10 18:56:03 kernel: sd 0:0:0:0: [sda] Preferred minimum I/O size 4096 bytes
Dec 10 18:56:03 kernel: ata1.00: Enabling discard_zeroes_data
[...]
Dec 10 18:58:49 kernel: ata1.00: exception Emask 0x0 SAct 0x81fff8 SErr 0x0 action 0x6 frozen
Dec 10 18:58:49 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 18:58:49 kernel: ata1.00: cmd 60/00:18:50:4a:4c/20:00:0c:00:00/40 tag 3 ncq dma 4194304 in res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:58:49 kernel: ata1.00: status: { DRDY }
Dec 10 18:58:49 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 18:58:49 kernel: ata1.00: cmd 60/00:20:50:6a:4c/20:00:0c:00:00/40 tag 4 ncq dma 4194304 in res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:58:49 kernel: ata1.00: status: { DRDY }
Dec 10 18:58:49 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 18:58:49 kernel: ata1.00: cmd 60/00:28:50:8a:4c/20:00:0c:00:00/40 tag 5 ncq dma 4194304 in res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:58:49 kernel: ata1.00: status: { DRDY }
Dec 10 18:58:49 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 18:58:49 kernel: ata1.00: cmd 60/80:30:88:28:00/00:00:00:00:00/40 tag 6 ncq dma 65536 in res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:58:49 kernel: ata1.00: status: { DRDY }
Dec 10 18:58:49 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 18:58:49 kernel: ata1.00: cmd 60/28:38:00:08:40/00:00:00:00:00/40 tag 7 ncq dma 20480 in res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:58:49 kernel: ata1.00: status: { DRDY }
Dec 10 18:58:49 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 18:58:49 kernel: ata1.00: cmd 60/48:40:38:08:40/00:00:00:00:00/40 tag 8 ncq dma 36864 in res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:58:49 kernel: ata1.00: status: { DRDY }
Dec 10 18:58:49 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 18:58:49 kernel: ata1.00: cmd 60/28:48:00:08:80/00:00:00:00:00/40 tag 9 ncq dma 20480 in res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:58:49 kernel: ata1.00: status: { DRDY }
Dec 10 18:58:49 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 18:58:49 kernel: ata1.00: cmd 60/48:50:38:08:80/00:00:00:00:00/40 tag 10 ncq dma 36864 in res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:58:49 kernel: ata1.00: status: { DRDY }
Dec 10 18:58:49 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 18:58:49 kernel: ata1.00: cmd 60/80:58:00:08:c0/00:00:00:00:00/40 tag 11 ncq dma 65536 in res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:58:49 kernel: ata1.00: status: { DRDY }
Dec 10 18:58:49 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 18:58:49 kernel: ata1.00: cmd 60/10:60:00:08:00/00:00:01:00:00/40 tag 12 ncq dma 8192 in res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:58:49 kernel: ata1.00: status: { DRDY }
Dec 10 18:58:49 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 18:58:49 kernel: ata1.00: cmd 60/60:68:20:08:00/00:00:01:00:00/40 tag 13 ncq dma 49152 in res 40/00:ff:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:58:49 kernel: ata1.00: status: { DRDY }
Dec 10 18:58:49 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 18:58:49 kernel: ata1.00: cmd 60/80:70:00:08:40/00:00:01:00:00/40 tag 14 ncq dma 65536 in res 40/00:01:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:58:49 kernel: ata1.00: status: { DRDY }
Dec 10 18:58:49 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 18:58:49 kernel: ata1.00: cmd 60/80:78:00:08:80/00:00:01:00:00/40 tag 15 ncq dma 65536 in res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:58:49 kernel: ata1.00: status: { DRDY }
Dec 10 18:58:49 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 18:58:49 kernel: ata1.00: cmd 60/80:80:00:08:c0/00:00:01:00:00/40 tag 16 ncq dma 65536 in res 40/00:00:00:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:58:49 kernel: ata1.00: status: { DRDY }
Dec 10 18:58:49 kernel: ata1.00: failed command: WRITE FPDMA QUEUED
Dec 10 18:58:49 kernel: ata1.00: cmd 61/20:b8:68:28:b2/00:00:1e:00:00/40 tag 23 ncq dma 16384 out res 40/00:00:00:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:58:49 kernel: ata1.00: status: { DRDY }
Dec 10 18:58:49 kernel: ata1: hard resetting link
Dec 10 18:58:49 kernel: ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
Dec 10 18:58:49 kernel: ata1.00: configured for UDMA/133
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#6 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=35s
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#6 Sense Key : Aborted Command [current]
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#6 Add. Sense: No additional sense information
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#6 CDB: Read(10) 28 00 00 00 28 88 00 00 80 00
Dec 10 18:58:49 kernel: I/O error, dev sda, sector 10376 op 0x0:(READ) flags 0x83700 phys_seg 16 prio class 2
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#7 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=35s
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#7 Sense Key : Aborted Command [current]
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#7 Add. Sense: No additional sense information
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#7 CDB: Read(10) 28 00 00 40 08 00 00 00 28 00
Dec 10 18:58:49 kernel: I/O error, dev sda, sector 4196352 op 0x0:(READ) flags 0x83700 phys_seg 5 prio class 2
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#8 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=35s
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#8 Sense Key : Aborted Command [current]
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#8 Add. Sense: No additional sense information
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#8 CDB: Read(10) 28 00 00 40 08 38 00 00 48 00
Dec 10 18:58:49 kernel: I/O error, dev sda, sector 4196408 op 0x0:(READ) flags 0x83700 phys_seg 9 prio class 2
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#9 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=35s
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#9 Sense Key : Aborted Command [current]
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#9 Add. Sense: No additional sense information
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#9 CDB: Read(10) 28 00 00 80 08 00 00 00 28 00
Dec 10 18:58:49 kernel: I/O error, dev sda, sector 8390656 op 0x0:(READ) flags 0x83700 phys_seg 5 prio class 2
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#10 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=35s
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#10 Sense Key : Aborted Command [current]
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#10 Add. Sense: No additional sense information
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#10 CDB: Read(10) 28 00 00 80 08 38 00 00 48 00
Dec 10 18:58:49 kernel: I/O error, dev sda, sector 8390712 op 0x0:(READ) flags 0x83700 phys_seg 9 prio class 2
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#11 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=35s
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#11 Sense Key : Aborted Command [current]
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#11 Add. Sense: No additional sense information
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#11 CDB: Read(10) 28 00 00 c0 08 00 00 00 80 00
Dec 10 18:58:49 kernel: I/O error, dev sda, sector 12584960 op 0x0:(READ) flags 0x83700 phys_seg 16 prio class 2
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#12 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=35s
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#12 Sense Key : Aborted Command [current]
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#12 Add. Sense: No additional sense information
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#12 CDB: Read(10) 28 00 01 00 08 00 00 00 10 00
Dec 10 18:58:49 kernel: I/O error, dev sda, sector 16779264 op 0x0:(READ) flags 0x83700 phys_seg 2 prio class 2
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#13 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=35s
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#13 Sense Key : Aborted Command [current]
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#13 Add. Sense: No additional sense information
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#13 CDB: Read(10) 28 00 01 00 08 20 00 00 60 00
Dec 10 18:58:49 kernel: I/O error, dev sda, sector 16779296 op 0x0:(READ) flags 0x83700 phys_seg 12 prio class 2
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#14 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=35s
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#14 Sense Key : Aborted Command [current]
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#14 Add. Sense: No additional sense information
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#14 CDB: Read(10) 28 00 01 40 08 00 00 00 80 00
Dec 10 18:58:49 kernel: I/O error, dev sda, sector 20973568 op 0x0:(READ) flags 0x83700 phys_seg 16 prio class 2
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#15 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=35s
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#15 Sense Key : Aborted Command [current]
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#15 Add. Sense: No additional sense information
Dec 10 18:58:49 kernel: sd 0:0:0:0: [sda] tag#15 CDB: Read(10) 28 00 01 80 08 00 00 00 80 00
Dec 10 18:58:49 kernel: I/O error, dev sda, sector 25167872 op 0x0:(READ) flags 0x83700 phys_seg 16 prio class 2
Dec 10 18:58:49 kernel: ata1: EH complete
Dec 10 18:58:49 kernel: ata1.00: Enabling discard_zeroes_data
Dec 10 18:59:21 kernel: ata1.00: exception Emask 0x0 SAct 0x600 SErr 0x0 action 0x6 frozen
Dec 10 18:59:21 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 18:59:21 kernel: ata1.00: cmd 60/00:48:50:6a:4c/20:00:0c:00:00/40 tag 9 ncq dma 4194304 in res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:59:21 kernel: ata1.00: status: { DRDY }
Dec 10 18:59:21 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 18:59:21 kernel: ata1.00: cmd 60/00:50:50:8a:4c/20:00:0c:00:00/40 tag 10 ncq dma 4194304 in res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:59:21 kernel: ata1.00: status: { DRDY }
Dec 10 18:59:21 kernel: ata1: hard resetting link
Dec 10 18:59:21 kernel: ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
Dec 10 18:59:21 kernel: ata1.00: configured for UDMA/133
Dec 10 18:59:21 kernel: ata1: EH complete
Dec 10 18:59:51 kernel: ata1.00: exception Emask 0x0 SAct 0x20 SErr 0x0 action 0x6 frozen
Dec 10 18:59:51 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 18:59:51 kernel: ata1.00: cmd 60/00:28:50:8a:4c/20:00:0c:00:00/40 tag 5 ncq dma 4194304 in res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 18:59:51 kernel: ata1.00: status: { DRDY }
Dec 10 18:59:51 kernel: ata1: hard resetting link
Dec 10 18:59:52 kernel: ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
Dec 10 18:59:52 kernel: ata1.00: configured for UDMA/133
Dec 10 18:59:52 kernel: ata1: EH complete
Dec 10 18:59:52 kernel: ata1.00: Enabling discard_zeroes_data
Dec 10 19:00:22 kernel: ata1.00: NCQ disabled due to excessive errors
Dec 10 19:00:22 kernel: ata1.00: exception Emask 0x0 SAct 0x20003400 SErr 0x0 action 0x6 frozen
Dec 10 19:00:22 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 19:00:22 kernel: ata1.00: cmd 60/00:50:50:2a:4c/20:00:0c:00:00/40 tag 10 ncq dma 4194304 in res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 19:00:22 kernel: ata1.00: status: { DRDY }
Dec 10 19:00:22 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 19:00:22 kernel: ata1.00: cmd 60/00:60:50:6a:4c/20:00:0c:00:00/40 tag 12 ncq dma 4194304 in res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 19:00:22 kernel: ata1.00: status: { DRDY }
Dec 10 19:00:22 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 19:00:22 kernel: ata1.00: cmd 60/00:68:50:8a:4c/20:00:0c:00:00/40 tag 13 ncq dma 4194304 in res 40/00:ff:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 19:00:22 kernel: ata1.00: status: { DRDY }
Dec 10 19:00:22 kernel: ata1.00: failed command: READ FPDMA QUEUED
Dec 10 19:00:22 kernel: ata1.00: cmd 60/08:e8:68:08:c0/00:00:01:00:00/40 tag 29 ncq dma 4096 in res 40/00:01:00:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout)
Dec 10 19:00:22 kernel: ata1.00: status: { DRDY }
Dec 10 19:00:22 kernel: ata1: hard resetting link
Dec 10 19:00:22 kernel: ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
Dec 10 19:00:22 kernel: ata1.00: configured for UDMA/133
Dec 10 19:00:22 kernel: ata1: EH complete
Dec 10 19:00:22 kernel: ata1.00: Enabling discard_zeroes_data

The user bisected the issue down to the mentioned 9b8b84879d4a
("block: Increase BLK_DEF_MAX_SECTORS_CAP").

#regzbot introduced: 9b8b84879d4adc506b0d3944e20b28d9f3f6994b
#regzbot link: https://bugs.debian.org/1120831

What helps as a workaround was to apply a udev rule 

ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="sda", ATTR{queue/max_sectors_kb}="1280"

and decreasing again max_sectors_kb to 1280 KiB.

So maybe this device would need a similar quirk and limit the maximum
size for these device I/O's to 2560 sectors?

Regards,
Salvatore

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