Messages in this thread | | | Date | Thu, 29 Nov 2007 17:43:26 -0500 (EST) | From | Alan Stern <> | Subject | Re: [linux-usb-devel] [PATCH] base/class.c: prevent ooops due to insert/remove race (v3) |
| |
On Thu, 29 Nov 2007, Mark Lord wrote:
> Alan Stern wrote: > > On Thu, 29 Nov 2007, Mark Lord wrote: > > > >>> So again, the problem is in the higher up scsi layer, and that is where > >>> the problem should already be fixed. > >> .. > >> > >> Ahhh.. so you figure the Oops should also have been fixed > >> as part of the 2.6.24 SCSI fixes ? That's what I was missing here. > > > > Yes indeed. I wish I could point you to the exact patch containing the > > fix, but the git software seems to have lost track of it (it's combined > > in with a large number of other patches with no obvious way to separate > > it out). It's also available in the various mailing list archives, but > > I don't have a pointer to it and there's no reasonable way to search > > for it. > > > > The patch in question was written by Matthew Wilcox; it added code to > > the SCSI async-scanning routines to utilize the scan_mutex. IMO it > > should have been applied to 2.6.23 but it wasn't.
Wait -- I found it:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=6b7f123f378743d739377871c0cbfbaf28c7d25a
Try applying that to 2.6.23 (it should merge with minimal problems) and do your stress testing again. Note also the date the patch was submitted: June 26.
> Ahh. Well, thanks for the *great* followup, Alan!
You're welcome.
Alan Stern
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |