Richard Purdie <[EMAIL PROTECTED]> wrote: > > On Fri, 2005-07-15 at 01:36 -0700, Andrew Morton wrote: > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.13-rc3/2.6.13-rc3-mm1/ > > On the Zaurus I'm seeing a couple of false "BUG: soft lockup detected on > CPU#0!" reports. These didn't show under 2.6.12-mm1 which was the last > -mm kernel I tested. softlockup.c seems identical between these versions > so it looks like some other change has caused this to appear... > > Both of these are triggered from the nand driver. The functions > concerned (nand_wait_ready and nand_read_buf) are known to be slow (they > wait on hardware).
OK, thanks. We can stick a touch_softlockup_watchdog() into those two functions to tell them that we know what we're doing. If you have time to write-and-test a patch then please do so - otherwise I'll take an untested shot at it. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
