[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
WAPBL and "cache flush not supported by backend"
I see "xbd0: WARNING: cache flush not supported by backend" in dmesg
whenever my NetBSD 6 STABLE Xen VPS boots. I assume this is something
to do with the configuration of Dom0, which I have no control over.
Despite this warning, everything *seems* to work fine. Things like
untarring a pkgsrc branch go about 10 times faster on a file system
mounted with -o log than on one without. After a crash I see "/:
replaying log to disk", with no apparent errors.
Is this warning safe to ignore? Does the lack of cache flushing just
lead to something like reduced performance, or is there a risk of
Really Bad Stuff happening under certain conditions (like file system
Main Index |
Thread Index |