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R_SPF_ALLOW(0.00)[+mx]; HAS_REPLYTO(0.00)[confabulate@kintzios.com] X-Rspamd-Queue-Id: 759A61E0003 X-Archives-Salt: 26468540-55f4-48f0-97b3-faceacccdc80 X-Archives-Hash: 3df6082b4488adc5d57cd472514a4adf --nextPart8533881.NyiUUSuA9g Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8"; protected-headers="v1" From: Michael To: gentoo-user@lists.gentoo.org Reply-To: confabulate@kintzios.com Date: Mon, 17 Feb 2025 00:39:15 +0000 Message-ID: <1819814.VLH7GnMWUR@rogueboard> In-Reply-To: MIME-Version: 1.0 On Sunday 16 February 2025 22:57:29 Greenwich Mean Time Philip Webb wrote: > I successfully formatted one of the partitions which failed with Ext2 as > Vfat. I was able to mount it, create a file with words in it, > save it, list it via 'ls', browse it & then delete it, all using Gentoo. > This suggests that the problem isn't due to defective hardware, > but is somewhere in 'mke2fs' or related material. > > Any observations are very welcome. A USB drive which disconnects itself without interference by the user does not indicate a problem caused by any filesystem in and of itself. However, a poor quality or buggy USB flash controller which drops the connection because it is overloaded by data, could produce all sort of random failures. I am no filesystem expert, but my thinking is an ext2 filesystem will try to commit more data to a block device than FAT does while formatted. Ext2 will write in many different blocks across the partition by creating backups of its superblock, inode bitmaps, inode tables, etc. If a USB drive cannot cope with this relatively simple transaction of committing to flash cells the structure of a filesystem, then it must have bigger problems. Instead of writing and deleting a simple text file, I would try to stress test the drive by copying over a more demanding workload in order to see if this succeeds without dmesg coming up with any more errors. --nextPart8533881.NyiUUSuA9g Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. 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