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SubjectRe: /proc fs bug?
Peter Steiner wrote:
>
> On Tue, Mar 28, 2000 at 09:31:13AM -0700, Nicholas Leippe wrote:
>
> > I finally got a response (must've been a gateway somewhere) - but how do
> > I determine what process 451 is if cat /proc/451/x always hangs and so does
> > ps?
>
> Do you have Magic-SysRq enabled? Then you can simply press Ctrl-SysRq-T.
> It shows something like:
>
> mgetty S C4F6BF0C 5424 265 1 (NOTLB) 279 263
> sig: 0 0000000000000000 0000000000000000 : X
>
> The 265 is the pid. If a process is causing hangs of other processes, it is
> not in (NOTLB) but instead in (L-TLB). So they are easy to identify.
>
> Peter

Last night I checked with SysRq-T, and that appears to be exactly it.
451 was my mgetty listening on my serial port and it was in L-TLB.
As soon as I removed it from my inittab and did a 'telinit q' the
problem desisted.
So, does that mean this is really a serial driver issue?

Nick

------------------------------------------
Nobody will ever need more than 640 kB RAM.
-- Bill Gates, 1983
Windows 98 requires 16 MB RAM.
-- Bill Gates, 1999
Nobody will ever need Windows 98.
-- logical conclusion

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