wait_queue is bad (2.0.30 bug)

wait_queue is bad (2.0.30 bug)

Post by Thomas Moleswor » Fri, 08 Aug 1997 04:00:00

Is this a known bug?

wait_queue is bad (eip = 0018ecea)
        q = 001cbf3c
       *q = 001cbf30

This message was generated by the kernel several thousands of times (exactly
the same), and seems to be something to do with a corruption in the list of
processes to run (that's all I can tell from looking at the 2.0.30 source
code). Kernel is 2.0.30, libc5.3.12, redhat 4.1. X was running (3.3), and I
had closed a PPP session about five minutes before.



wait_queue is bad (2.0.30 bug)

Post by Simon Karpe » Mon, 18 Aug 1997 04:00:00

> Is this a known bug?

> wait_queue is bad (eip = 0018ecea)
>         q = 001cbf3c
>        *q = 001cbf30

Last time I saw this it was due to a flaky SIMM that
had gotten up to around 160F because of hurricane fran
killing the A/C but leaving the UPS online.

Simon Karpen

System and Network Administrator, linux-shell.net
Not just a shell account, but a Linux shell account


1. 'wait_queue is bad': Memory timing problem?

I had my Linux 2.0.0  system crash today with the following message
scrolling across my screen:

wait_queue is bad (eip=001122d9)

I was running an application (lifelines) that does a lot of I/O over
a 5 minute stretch of time. This is the second time I have encountered
this error on my current system (A Pentium 120 (R526) with 32 Mb of
Fast page RAM (system is built for Fast page or EDO) and a 1.7 GB
PCI IDE hard drive. I've never had a similar problem on the half a
dozen other Linux systems I work on. Any ideas? Could it be a problem
with the memory?  Thanks.

Challenge: Faster, Smaller, Cheaper  Michael Purucker, Geodynamics Branch
Solution: PawnSat running Linux       Hughes-STX, Goddard Space Flt Ct
Bring back cgs units in magnetism!   Greenbelt, MD 20771 Ph:301-286-4736

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