Re: strange dm-crypt problem with qemu / LIO / vhost

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Hello David,

It's normally a good idea to provide your kernel version with any
bug reports...

Sorry. Kernel is 5.3.18 vanilla from kernel.org

[ 3683.414936] bio error: 0000000024d02dea,  err: 10
This is from target_core_iblock.c function "iblock_bio_done".
Any ideas? Hints?
This looks like an I/O error from the block layer / underlying dm-crypt
block device. It's not much to go on, but I'd suggest tracing the I/O
further down the stack.

In the meantime, I was able to debug further. Actually in Windows only the "format disk" operation fails. If you do that otherwise and later use the formatted disk, it seems to work. So I assume it is a special SCSI opcode that is only used during "format disk" that fails.

What would be a simple debug statement in iblock_bio_done to print the SCSI opcode to find out which operation failed?

Cheers, David

Regards Andreas



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