Messages in this thread | | | Date | Fri, 27 Dec 2002 16:36:51 +0100 | From | Jakob Oestergaard <> | Subject | Re: More tests [Was: Problem with read blocking for a long time on /dev/scd1] |
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On Mon, Dec 23, 2002 at 03:58:02AM -0500, Greg Stark wrote: ... > > AFAIK 2.4.X broke at 2.4.19-pre6 - something was changed that related to > > the order in which read requests are scheduled. > > I originally had the problem with 2.4.18 and only updated to 2.4.20-ac2 hoping > it would solve the problem. It doesn't look like the same issue as yours.
I agree.
> > When your process is blocked, what wait channel does ps -elf list for it? > What system call does strace -T show it executing and for how long?
I will check this evening when the backup starts.
> I wonder what else is on the ide channels, perhaps if I move things around so > it's the only device on that channel it would help?
I have four seagate drives, one (master) on each channel of two Promise adapters.
There's a bunch of other disks in the system as well, but these are the drives where I notice the problem.
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