On Thu, Sep 23, 2010 at 07:41:28PM -0400, Mark Lord wrote: > What's the purpose of this stack dump, > and how can it be prevented in this NORMAL situation?? > > The command was "hdparm --security-erase NULL /dev/sdb", > which takes about 66 minutes to complete on this particular drive. > > I don't see any obvious way for the task to mark itself > as needing longer than 120 secs to complete the operation. > It's an excellent question, a large number of bug reports I see against Fedora are the result of this firing on some long-running task (like a huge 'sync') and the user getting scared by the message assuming the universe was imploding and reporting a bug. I'd suggest we add a new task_struct flag for it, but we appear to be out of bits! Perhaps we can abuse one of the other ones (PF_FROZEN seems the likely choice since the watchdog bails out if it sees it, but that likely has other ramifications.) --Kyle -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
