Messages in this thread | | | Date | Wed, 12 Sep 2018 20:05:21 +0200 | From | Egerváry Gergely <> | Subject | Re: loop device: print_req_error - blk_update_request I/O error |
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Answering to myself: It looks like ext4 lazy init does not play well with loop device.
If the ext4 filesystem was previously created with lazy init there are I/O errors. Disabling lazy init fixes problem. Bug or feature?
Thanks,
> I'm mounting an ext4 filesystem residing on an AHCI SATA disk via loop: > losetup -o 64424509440 --sizelimit 34359738368 /dev/loop0 /dev/sda > mount -t ext4 /dev/loop0 /mnt > > Works perfectly on <= 4.4.155 (latest version on 4.4.x longterm branch) > > On 4.9.126 (longterm branch) I get these errors: > blk_update_request: I/O error, /dev/loop0, sector 23778144
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