Date: Sun, 23 Nov 2025 15:14:12 +0100 From: A FreeBSD User <freebsd@walstatt-de.de> To: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: freezing on unmountin ext2fs USB device Message-ID: <20251123151439.361dd84c@thor.sb211.local>
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[-- Attachment #1 --] Hello, running FreeBSD 16.0-CURRENT #4 master-n282101-c8cf5a99f82b: Sun Nov 23 13:56:23 CET 2025 amd64 I'm running into a serious problem when mounting an ext2fs formated USB Flash device (512GB). The devince contains files written by a Linux system, mounting the USB Flash via extended4fs, the size of the written datafiles is > 128GB. Deleting those files larger than some 20GB results in an I/O error reported by FReeBSD (# sudo rm /mnt/USB/filename). Unmounting the ext2fs after deletion (sudo umount /mnt) results in a total freeze of the box. No crash, no core dump, nothing. I waited almost an hour hoping for recover. I have to physically switch off the box. I checked with other USB flash I have at hand, one Samsung 256 GB, ZFS - no problem, another 128GB, UFS, no problem and several much smaller (4 - 64GB) with FAT or UFS filesystems, all no problem. I can not figure out whether it is the USB flash drive itself, the size or the ext2fs itself causing the problem. Does anybody see similar problems or do have an tip to investigate without risking my box' health switching it on/off on failure? Thanks in advance, oh -- A FreeBSD user [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- iHUEARYKAB0WIQRQheDybVktG5eW/1Kxzvs8OqokrwUCaSMWzwAKCRCxzvs8Oqok r/87AP9g6m9DHiHZ4HU1nXOTw6Sb2o80A5bh8p0YtCGeSle3HQEA7epWsrP+tZp7 d0QKPK/UoXm+uYNS3n4v5nzBLiYtEgA= =5cxc -----END PGP SIGNATURE-----home | help
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