XPost: linux.debian.bugs.dist   
   From: snow.wolf.29@proton.me   
      
   On Wednesday, 14 January 2026 at 16:17, Niklas Cassel    
   wrote:   
      
   >   
   >   
   > Hello Salvatore,   
   >   
   > On Wed, Jan 14, 2026 at 12:47:45PM +0100, Salvatore Bonaccorso wrote:   
   >   
   > > 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 drive:   
   >   
   > > 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   
   >   
   >   
   > The SATA controller:   
   > 00:17.0 SATA controller [0106]: Intel Corporation Cannon Lake Mobile PCH   
   SATA AHCI Controller [8086:a353] (rev 10) (prog-if 01 [AHCI 1.0])   
   > DeviceName: Onboard - SATA   
   > Subsystem: Dell Device [1028:0924]   
   >   
   >   
   > Perhaps the user could run:   
   > https://github.com/floatious/max-sectors-quirk/blob/master/fin   
   -max-sectors.sh   
   >   
   > So we could find which max sectors value we should quirk the device with,   
   > since while the drive obviously chokes on a command of size 4 MiB / 8192   
   > sectors, it might be able to handle something larger than 1280 KiB / 2560   
   > sectors.   
   >   
   >   
   > Kind regard,   
   > Niklas   
      
   Hi,   
      
   Here is find-max-sectors.sh output:   
      
   Drive model:   
   INTEL SSDSC2KG480G8   
      
   Drive firmware:   
   XCV10120   
      
   SATA / AHCI controller:   
   00:17.0 SATA controller [0106]: Intel Corporation Cannon Lake Mobile PCH SATA   
   AHCI Controller [8086:a353] (rev 10)   
      
   Drive values before running the test:   
   /sys/block/sda/queue/max_hw_sectors_kb:32767   
   /sys/block/sda/queue/max_sectors_kb:1280   
   /sys/block/sda/queue/read_ahead_kb:128   
      
   Running test with max_sectors 128 KiB   
   Test: PASS   
      
   Running test with max_sectors 1024 KiB   
   Test: PASS   
      
   Running test with max_sectors 2048 KiB   
   Test: PASS   
      
   Running test with max_sectors 3072 KiB   
   Test: PASS   
      
   Running test with max_sectors 4095 KiB   
   Test: PASS   
      
   Running test with max_sectors 4096 KiB   
   Test: PASS   
      
      
   Regards,   
   Wolf   
      
   --- SoupGate-Win32 v1.05   
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