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Date:      Sat, 30 Oct 2004 23:46:16 +0200
From:      Emanuel Strobl <Emanuel.Strobl@gmx.net>
To:        freebsd-current@freebsd.org, re@freebsd.org
Cc:        current@freebsd.org
Subject:   Re: 5.3-RELEASE TODO
Message-ID:  <200410302346.18306.Emanuel.Strobl@gmx.net>
In-Reply-To: <200410290741.i9T7f8DW095035@pooker.samsco.org>
References:  <200410290741.i9T7f8DW095035@pooker.samsco.org>

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Am Freitag, 29. Oktober 2004 09:41 schrieb Scott Long:
> This is an automated weekly mailing of the FreeBSD 5.3 open issues list.
> The live version of this list is available at:
>
>     http://www.FreeBSD.org/releases/5.3R/todo.html
>
> Automated mailing of this list will continue through the release of
> FreeBSD 5.3
>
>
>                           FreeBSD 5.3 Open Issues
>
>                                 Open Issues
>
>  This is a list of open issues that need to be resolved for FreeBSD 5.3. =
If
>  you have any updates for this list, please e-mail re@FreeBSD.org.
>
> Issues that require investigation
>
>  +-----------------------------------------------------------------------=
=2D+
>
>  | Issue |   Status    | Responsible |            Description            =
 |
>  |-------+-------------+-------------+-----------------------------------=
=2D|
>  |
>  |       |             |             | More 'wedging' problems have been =
 |
>  |       |             |             | reported with specific if_em      =
 |
>  |       |             |             | hardware. The hardware found in   =
 |
>  |
>  | if_em | In progress | Bruce M.    | the IBM T-41 seems to be a        =
 |
>  | wedge |             | Simpson     | suspect. Removing ALTQ support    =
 |
>  |
>  |       |             |             | from the driver might help this   =
 |
>  |       |             |             | problem, but reports are          =
 |
>  |       |             |             | inconsistent.                     =
 |
>
>  +-----------------------------------------------------------------------=
=2D+
>
> Show stopper defects for 5.3-RELEASE
>
>  +-----------------------------------------------------------------------=
=2D+
>
>  |     Issue      |   Status    |  Responsible   |      Description      =
 |
>  |----------------+-------------+----------------+-----------------------=
=2D|
>  |
>  |                |             |                | Attaching GDB to a    =
 |
>  |                |             |                | threaded process will =
 |
>  |                |             |                | leave the process in  =
 |
>  |                |             |                | an unkillable state.  =
 |
>  |                |             |                | Rebooting the machine =
 |
>  |
>  | Threaded       |             |                | is the only way to    =
 |
>  | application    |             |                | recover from this.    =
 |
>  | get stuck in   |             |                | This is easily        =
 |
>  | an unkillable  | In progress | David Xu       | triggered when a KDE  =
 |
>  | state when     |             |                | app crashes and KDE   =
 |
>  | touched by GDB |             |                | automatically attaches=
 |
>  |
>  |                |             |                | GDB to it to extract a=
 |
>  |                |             |                | stack trace. A        =
 |
>  |                |             |                | candidate fix is in   =
 |
>  |                |             |                | 6-CURRENT. More       =
 |
>  |                |             |                | testing and review is =
 |
>  |                |             |                | needed.               =
 |
>  |
>  |----------------+-------------+----------------+-----------------------=
=2D|
>  |
>  |                |             |                | There have been       =
 |
>  |                |             |                | reports that, under   =
 |
>  |                |             |                | extremely high load,  =
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>  |                |             |                | the tcp_output()      =
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>  |                |             |                | routine may appear to =
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>  |                |             |                | run for extended      =
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>  |                |             |                | periods, resulting in =
 |
>  |                |             |                | the appearance of a   =
 |
>  |                |             |                | hang for an extended  =
 |
>  |                |             |                | period (up to 30      =
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>  |
>  | Reports of     |             |                | minutes), followed by =
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>  | TCP-related    |             |                | recovery. This may be =
 |
>  | instability    |             | George V.      | a result of a bug in  =
 |
>  | under          |             | Neville-Neil,  | the TCP selective     =
 |
>  | extremely high | In progress | Robert Watson, | acknowledgement       =
 |
>  | load; possibly |             | Scott Long     | implementation        =
 |
>  | related to     |             |                | introduced following  =
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>  | SACK           |             |                | 5.2; the release      =
 |
>  |
>  |                |             |                | engineering team is   =
 |
>  |                |             |                | currently working with=
 |
>  |                |             |                | the submitters to     =
 |
>  |                |             |                | diagnose the problem. =
 |
>  |                |             |                | Depending on the      =
 |
>  |                |             |                | nature of the problem,=
 |
>  |                |             |                | it may be appropriate =
 |
>  |                |             |                | to release with SACK  =
 |
>  |                |             |                | disabled, or to       =
 |
>  |                |             |                | correct the bug prior =
 |
>  |                |             |                | to 5.3.               =
 |
>
>  +-----------------------------------------------------------------------=
=2D+
>

Showstoppers:

What about misc/72895, i386/73251 and misc/72896? The latter is not that=20
critical but GEOM_GPT really has edges on i386 which aren't suitable for=20
=2Dstable! Removing GEOM_GPT from GENERIC would be one solution IMO, fixing=
 of=20
course was even better, but I can't help.
And then there's kern/71355 which has been closed without any improovement.=
=20
The opposite: I can confirm that this also applies to the sil3114 chipset=20
when the BIOS (of the PCI Card (Dawicontrol DC-154))) is enabled (so bootin=
g=20
from it is possible) and two drives are set up as mirror!

=2DHarry

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