Re: Solaris 2.6 MU1 (aka 3/98) problems

From: Dax Kelson <>
Date: Wed, 5 Aug 1998 16:31:46 -0600 (MDT)

We discovered 3 deadlock situtations in the Solaris 2.5.x/2.6 kernel
(which results in unkillable processes). They only occur on a busy box.
2 of the 3 are fixed in the latest kernel patch, the 3rd is fixed in a
"binary fix kernel" we are running, and the fix should make it into the
next official kernel patch.

The first was very nasty and caused our webserver to "hang" and be
unkillable up to 3-4 times per day (requiring a reboot).

The second caused the same thing, only was triggered every few days.

The third caused the same thing, only triggered every few weeks.

Since the last binary fix was installed, we have an uptime of 5 months.

Dax Kelson
Internet Connect, Inc.

On Tue, 4 Aug 1998, Gary Palmer wrote:

> Date: Tue, 04 Aug 1998 09:04:07 -0400
> From: Gary Palmer <>
> To:
> Subject: Solaris 2.6 MU1 (aka 3/98) problems?
> Resent-Date: Tue, 4 Aug 1998 06:04:55 -0700 (PDT)
> Resent-From:
> Hi
> I have a USPARC that I'm trying to run Squid on, and running into
> problems where the squid process will just *stop* after a while.
> Telnetting to the proxy port times out, top/ps report no cpu being
> used. I can't even kill the process (it just sits there). Rebooting the
> machine doesn't even work (I guess solaris needs all processes to be
> dead before shutting down, so since it can't kill it, it just sits there
> looking dumb)
> Has anyone else seen this? I've got a ticket open with Sun because I
> believe that the process shouldn't be unkillable like that, but so far I
> haven't had much joy getting ideas out of them. About all they
> recommended was turning off nscd (which I had already done).
> Any clues appreciated.
> Thanks,
> Yours
> Gary
Received on Wed Aug 05 1998 - 15:35:22 MDT

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