Hi Jason, Will try this out this evening when I'm back home (and have some time to reboot the sheevaplug). Note that the write-back stalls seem to be nilfs2 specific (I'm getting them on usb-storage as well while ext4 filesystem on usb-storage does not present the stall issue). Bruno On Tue, 25 Mar 2014 20:07:35 -0400 Jason Cooper wrote: > On Tue, Mar 25, 2014 at 11:16:53PM +0100, Sebastian Hesselbarth wrote: > > On 03/25/2014 08:27 PM, Alexander Elbs wrote: > > >> On Wed, 19 Mar 2014, Bruno Prémont wrote: > > >>> Since upgrading my Sheevaplug from 3.7.2 to 3.13.6 (FDT) I'm seeing > > >>> mvsdio f1090000.mvsdio: unhandled interrupt status=0x8810 en=0x0000 pio=0 > > >>> at varied timings. > > > > > > I have the same problem on my sheevaplug. > > > > > >> It has been many years since I've looked at the code for this driver. > > >> I'm therefore including Thomas Petazzoni to the CC list as he appears to > > >> have been the most active since then. > > >> > > >> The reported status seems to indicate missing data in the context of a > > >> transfer with CMD12, and a CRC error ensued of course. > > >> > > >> At this point I'd suggest testing intermediate kernels between 3.7 and > > >> 3.13, and try bisection until you find the offending commit. > > >> > > >> [...] > > >>> I get same results with 3.14-rc7. > > >> > > >> Excellent, that reduces the search space significantly. You can do a > > >> git bisect directly. > > > > > > I did a git bisect. > > > good: no message "unhandled interrupt" > > > bad: message above appears > > > skipped: unbootable kernel, usually stuck after the line "Uncompressing Linux". > > > > > > So far I am down to a few commits after 3.11. > > > > > > $ git bisect view --oneline > > > 2326f04 (refs/bisect/bad) ARM: kirkwood: convert to DT irqchip and clocksource > > > > Can you please try the patches contained in [1]? > > > > They have been Acked-by Jason Cooper, but I guess we simply lost > > track of them. > > > > Sebastian > > > > [1] https://lkml.org/lkml/2013/11/15/276 > > Bruno, > > If these work for you, please send a Tested-by and I'll keep better > track of them this time. I think these were sent before we had a > process for shuttling things into irqchip... > > thx, > > Jason. -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
