In message <[EMAIL PROTECTED]>, Robe
rt Watson writes:
>However, here's a patch that makes Vinum use namei() to rely on devfs to
>locate requested devices instead of parsing the device name and guessing
>the device number (incorrectly with GEOM). Unfortunately, I almost
>immediately run into a divide by zero due to a zero sector size. Jeff
>Roberson mentioned to me he had a fix for this bug that he sent to Greg,
>but that was never committed.
The divide by zero problem seems to be caused by an interaction
between two bugs: GEOM refuses to return the sector size because
the flags passed to d_open in vinum's open_drive() do not include
FREAD. Then vinum clobbers the ioctl's non-zero error code by calling
close_drive() from init_drive(), so the latter ends up returning
zero even though it failed.
The next failure I get is:
Can't write config to /dev/da1s1d, error 45 (EOPNOTSUPP)
Ian
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