> On testday we found: https://bugzilla.redhat.com/show_bug.cgi?id=1018615 > which have dmesg after sysrq-t (also have some lines down). > We setted cache_mode to writeback, mounted to foldear and started copy > files to mounted bcache folder. It was copied some % and stayed. > We running 3.11.4 kernel, which have fix for flushing data. > > [ 1550.135293] BUG: unable to handle kernel NULL pointer dereference at 000000000000006c > [ 1550.135335] IP: [<ffffffffa04cc659>] bch_insert_data+0x19/0x30 [bcache] That's the bug mentioned here: http://comments.gmane.org/gmane.linux.kernel.bcache.devel/2113 http://comments.gmane.org/gmane.linux.kernel.bcache.devel/2109 http://comments.gmane.org/gmane.linux.kernel.bcache.devel/2108 It's a regression that stops writeback and made 3.11.4. The fix is in 3.12-rc5 and will be in 3.11.5. -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
