On Thu, Jan 22, 2026 at 04:45:18PM +0100, Bernard wrote: > > On 19/01/2026 19:55, [email protected] wrote: > > On Mon, Jan 19, 2026 at 07:01:25PM +0100, Bernard wrote:
[...] > > You might want to do "sudo dmesg | tail" shortly after inserting the device > > [...] > bd@debian-stretch:~$ sudo dmesg | tail > > [550017.843525] sd 5:0:0:0: [sdd] 256 512-byte logical blocks: (131 kB/128 > KiB) > > [550017.843833] sd 5:0:0:0: [sdd] Write Protect is off > > [550017.843838] sd 5:0:0:0: [sdd] Mode Sense: 00 00 00 00 > > [550017.844131] sd 5:0:0:0: [sdd] Asking for cache data failed > > [550017.844138] sd 5:0:0:0: [sdd] Assuming drive cache: write through > > [550017.844149] sdd: detected capacity change from 0 to 131072 > > [550017.862903] sdd: detected capacity change from 0 to 131072 > > [550017.871806] sdd: > > [550017.890693] sdd: detected capacity change from 0 to 131072 > > [550017.890706] sd 5:0:0:0: [sdd] Attached SCSI removable disk [...] Ugh. This suggests that the device "appears" just as a block device (I dimly remember some -- I think it was GPRS? -- modems which did this, offering the windows (what else?) drivers on the DOS file system. Once tickled with some undocumented magic, they offered an USB serial, which behaved like a plain boring modem, Hayes command set and all). Sorry, at the moment I'm out of ideas. If you can, yell at the vendor -- it feels useless, but is good for free software in the long run. Cheers -- t
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