On Thu, 2013-01-10 at 17:49 +0400, Paul Fertser wrote: > Hi, > > On Thu, Jan 10, 2013 at 05:34:22PM +0400, Vyacheslav Dubeyko wrote: > > On Thu, 2013-01-10 at 17:16 +0400, Paul Fertser wrote: > > > I've reported this issue earlier and back then it "resolved itself" > > > after a power-cycle. The hardware in question is the same ac100 > > > netbook with an internal 32GB eMMC. > > > > > > On nilfs_cleanerd start i was consistently getting these messages: > > > [ 46.122096] mmcblk0: error -110 transferring data, sector 26671630, nr 10, card status 0x200900 > > > [ 48.934623] mmcblk0: error -110 transferring data, sector 26671631, nr 9, card status 0x200900 > > > (and similar output for two other sectors) > > > > > > However, this time was different, several full power cycles didn't > > > help and the read was still failing and cleanerd refused to start. > > > > > > > Could you share system log content and strace of nilfs_cleanerd's trying > > to start in the case of the issue? It needs for the beginning of the > > issue understanding. Please, set in the nilfs_cleanerd.conf debug level. > > Eh, sorry, i was too involved in thinking about how to fix the issue > and so haven't saved any extra logs :( > Anyway, thank you for the report. > > Could you made raw dump of bad sectors? Could you share dumpseg output > > for segments which contains the bad sectors? > > The bad sectors in question were unreadable with dd, it just hanged > for a moment and an additional error -110 was output to dmesg. > > > So, I need to think how to investigate your issue without availability > > of eMMC. :-) > > I think you can reproduce something similar with loopback mounting if > you modify the driver to return read error for some particular sectors > that cleanerd wants to access when it starts cleaning. > Yes, it is a good idea. I'll try it. But I worry only that it is possible to investigate not the issue that was reported by you. Thanks, Vyacheslav Dubeyko. > Sorry again for not having saved enough details. > -- To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
