On Fri, November 6, 2009 9:28 pm, Asdo wrote: > Neil Brown wrote: >> On Thursday November 5, asdo@xxxxxxxxxxxxx wrote: >> >>> incentive for upgrading (Neil, btw, is there any chance those lockups >>> fixes get backported to mainstream 2.6.31.x?). >> >> That would be up to the XFS developers. I suggest you consider asking >> them. >> > Hi Neil, no sorry I meant the patches for md raid lockups like this one: > http://neil.brown.name/git?p=md;a=commitdiff;h=1d9d52416c0445019ccc1f0fddb9a227456eb61b > and those for raid 5,6 for which i don't know the link... > Hm actually I don't see them applied to even mainstream 2.6.32 yet :-( > http://git.kernel.org/?p=linux/kernel/git/djbw/md.git;a=blob_plain;f=drivers/md/raid1.c;hb=2fdc246aaf9a7fa088451ad2a72e9119b5f7f029 > am I correct? > The bug can be serious imho depending on the hardware: when I saw it on > my hardware all disk accesses were completely starved forever and it was > even impossible to log-in until the resync finished. It can actually be > worked around by reducing the maximum resync speed, but this is only if > the user knows the trick... > Thank you Those patches are in 2.6.32-rc: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=1d9d52416c0445019ccc1f0fddb9a227456eb61b however I haven't submitted them for -stable. Maybe I should... Thanks. NeilBrown > -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html