5.3-RELEASE TODO
Scott Long
scottl at FreeBSD.org
Fri Oct 1 07:25:02 PDT 2004
FYI, a lot of this is going to change today once we cut BETA7. I'm
going to update this and re-send it when everything is into the tree.
Scott
Scott Long wrote:
> 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 at FreeBSD.org.
>
> Show stopper defects for 5.3-RELEASE
>
> +------------------------------------------------------------------------+
> | Issue | Status | Responsible | Description |
> |---------------------+-------------+---------------+--------------------|
> | | | | PREEMPTION appears |
> | | | | to increase the |
> | | | | chances of |
> | | | | triggering a race |
> | | | | condition in the |
> | | | | thread context |
> | PREEMPTION-related | | Scott Long, | management and |
> | hangs involving | In progress | Julian | scheduling code. |
> | threads | | Elischer | Patches to |
> | | | | mitigate the |
> | | | | problem have been |
> | | | | developed, with |
> | | | | on-going work to |
> | | | | come up with the |
> | | | | correct solution |
> | | | | prior to 5.3. |
> |---------------------+-------------+---------------+--------------------|
> | | | | Jun Kuriyama has |
> | | | | reported problems |
> | | | | with NFS over IPv6 |
> | | | | not functioning |
> | | | | correctly as of |
> | | | | the improved NFS |
> | | | | support for |
> | | | | disconnection |
> | | | | changes. Doug |
> | | | | White has tracked |
> | NFS over IPv6 | | | down the source of |
> | problems | In progress | Doug White | the problem |
> | | | | (EMSGSIZE being |
> | | | | returned by IPv6 |
> | | | | UDP send routine |
> | | | | due to |
> | | | | fragmentation), |
> | | | | and is currently |
> | | | | exploring possible |
> | | | | fixes. A patch has |
> | | | | been generated and |
> | | | | sent to the KAME |
> | | | | team for review. |
> |---------------------+-------------+---------------+--------------------|
> | | | | ether_input() |
> | | | | calls |
> | | | | random_harvest() |
> | | | | on the mbuf after |
> | | | | it has been handed |
> | | | | off to |
> | | | | ether_demux(), at |
> | ether_input() may | | Mark Murray, | which point it may |
> | harvest entropy | In progress | Robert Watson | have been free()'d |
> | from free()'d mbuf | | | back to the mbuf |
> | | | | allocator. It also |
> | | | | passes in a |
> | | | | pointer to the |
> | | | | mbuf itself, |
> | | | | rather than |
> | | | | ethernet frame |
> | | | | header. |
> |---------------------+-------------+---------------+--------------------|
> | | | | There have been |
> | | | | several reports of |
> | | | | if_em cards |
> | if_em wedging under | | | "wedging" under |
> | high pps | Not done | - | high |
> | | | | packets-per-second |
> | | | | load. This needs |
> | | | | to be debugged and |
> | | | | fixed. |
> |---------------------+-------------+---------------+--------------------|
> | | | | There are reports |
> | | | | that racoon is |
> | | | | unable to complete |
> | | | | IKE negotiation |
> | | | | due to a send to |
> | KAME IPSEC | | | the pfkey socket |
> | "ENOBUFS" problem | | | returning ENOBUFS. |
> | with racoon and | In progress | Robert Watson | This appears to be |
> | mbuma | | | a result of an |
> | | | | incorrect |
> | | | | assumption about |
> | | | | mbuf data size due |
> | | | | to a change |
> | | | | resulting from |
> | | | | mbuma. |
> |---------------------+-------------+---------------+--------------------|
> | | | | A recent |
> | | | | regression in the |
> | | | | USB code is |
> | | | | causing panics |
> | | | | when a USB device |
> | | | Warner Losh, | detaches, |
> | Panic on USB detach | Unknown | Scott Long | especially USB |
> | | | | hubs. Since |
> | | | | detaching a USB |
> | | | | device is a common |
> | | | | event, this must |
> | | | | be fixed for the |
> | | | | release. |
> +------------------------------------------------------------------------+
>
> Required features for 5.3-RELEASE
>
> +------------------------------------------------------------------------+
> | Issue | Status | Responsible | Description |
> |-----------------+-------------+----------------+-----------------------|
> | BIND9 import | | | BIND9 must be |
> | into 5-CURRENT | In progress | Doug Barton | imported for |
> | | | | 5.3-RELEASE. |
> |-----------------+-------------+----------------+-----------------------|
> | | | | Kernel bits |
> | KSE support for | | | implemented, userland |
> | sparc64 | -- | -- | not implemented. |
> | | | | Required for |
> | | | | 5.3-RELEASE. |
> |-----------------+-------------+----------------+-----------------------|
> | | | | With improved support |
> | | | | for threading |
> | | | | primitives, support |
> | | | | is now required to |
> | GDB thread | | David Xu, | ease debugging of |
> | support | In progress | Marcel | threaded |
> | | | Moolenaar | applications. |
> | | | | Ideally, this support |
> | | | | will work for both |
> | | | | libthr and libkse |
> | | | | threading models. |
> |-----------------+-------------+----------------+-----------------------|
> | | | | There have been |
> | | | | several reports that |
> | | | | growfs(8) works |
> | | | | improperly with large |
> | Reports of UFS2 | | | disk sizes, and other |
> | "large disk" | In progress | Scott Long | size-related nits in |
> | problems | | | the current disk and |
> | | | | label management tool |
> | | | | set. These must be |
> | | | | resolved for |
> | | | | 5.3-RELEASE. |
> |-----------------+-------------+----------------+-----------------------|
> | | | | Synaptics updates to |
> | | | | the psm(4) driver |
> | Synaptics | | | have resulted in poor |
> | touchpad | In progress | Philip Paeps | interactivity for |
> | problems | | | taps and button press |
> | | | | events for some |
> | | | | users. |
> |-----------------+-------------+----------------+-----------------------|
> | | | | Entropy harvesting in |
> | | | | the interrupt and |
> | | | | incoming packet paths |
> | | | | currently involves a |
> | | | | large number of mutex |
> | | | | operations. In order |
> | | | | to improve |
> | | | | performance, it is |
> | Entropy | | | desirable to reduce |
> | harvesting | In progress | Robert Watson, | the number of mutex |
> | optimizations | | Mark Murray | operations |
> | | | | substantially. Work |
> | | | | is in progress to |
> | | | | improve the |
> | | | | harvesting code along |
> | | | | these lines, but has |
> | | | | not yet been properly |
> | | | | measured, and |
> | | | | therefore not yet |
> | | | | merged to CVS. |
> +------------------------------------------------------------------------+
>
> Desired features for 5.3-RELEASE
>
> +------------------------------------------------------------------------+
> | Issue | Status | Responsible | Description |
> |------------------+-------------+----------------+----------------------|
> | | | | Almost all process |
> | | | | debugging tools have |
> | | | | been updated to use |
> | | | | non-procfs kernel |
> | | | | primitives, with the |
> | | | | exception of |
> | | | | truss(1). As procfs |
> | | | | is considered |
> | | | | deprecated due to |
> | | | | its inherent |
> | | | | security risks, it |
> | truss support | | | is highly desirable |
> | for ptrace | -- | -- | to update truss to |
> | | | | operate in a |
> | | | | post-procfs world. |
> | | | | Dag-Erling Smorgrav |
> | | | | had prototype |
> | | | | patches; |
> | | | | Robert Drehmel is |
> | | | | developing and |
> | | | | testing patches now. |
> | | | | Support for system |
> | | | | call tracing has |
> | | | | been added to |
> | | | | ptrace(). |
> |------------------+-------------+----------------+----------------------|
> | | | | FAST_IPSEC currently |
> | | | | cannot be used |
> | | | | directly with the |
> | | | | KAME IPv6 |
> | | | | implementation, |
> | | | | requiring an |
> | | | | additional level of |
> | | | | IP tunnel |
> | | | | indirection to |
> | | | | protect IPv6 packets |
> | FAST_IPSEC and | | | when using hardware |
> | KAME | Not done | -- | crypto acceleration. |
> | compatibility | | | This issue must be |
> | | | | resolved so that the |
> | | | | two services may |
> | | | | more easily be used |
> | | | | together. Among |
> | | | | other things, this |
> | | | | will require a |
> | | | | careful review of |
> | | | | the handling of mbuf |
> | | | | header copying and |
> | | | | m_tag support in the |
> | | | | KAME IPv6 code. |
> |------------------+-------------+----------------+----------------------|
> | | | | A process cannot be |
> | | | | interrupted while |
> | | | | waiting on a lock. |
> | rpc.lockd(8) | | | Fixing this requires |
> | stability | -- | -- | that the RPC code be |
> | | | | taught how to deal |
> | | | | with lock |
> | | | | cancellation and |
> | | | | interruption events. |
> |------------------+-------------+----------------+----------------------|
> | | | | Kernel modules are |
> | | | | currently built |
> | | | | independently from a |
> | | | | kernel |
> | | | | configuration, and |
> | | | | independently from |
> | | | | one another, |
> | | | | resulting in |
> | | | | substantially |
> | | | | redundant |
> | | | | compilation of |
> | | | | objects, as well as |
> | | | | the inability to |
> | | | | easily manage |
> | | | | compile-time options |
> | Revised kld | | | for kernel objects |
> | build | Not done | Peter Wemm | (such as MAC, PAE, |
> | infrastructure | | | etc) that may |
> | | | | require conditional |
> | | | | compilation in the |
> | | | | kernel modules. In |
> | | | | order to improve |
> | | | | build performance |
> | | | | and better support |
> | | | | options of this |
> | | | | sort, the KLD build |
> | | | | infrastructure needs |
> | | | | to be revamped. |
> | | | | Peter Wemm has done |
> | | | | some initial |
> | | | | prototyping, and |
> | | | | should be contacted |
> | | | | before starting on |
> | | | | this work. |
> |------------------+-------------+----------------+----------------------|
> | | | | Apple's Darwin |
> | | | | operating system has |
> | | | | fairly extensive |
> | Merge of Darwin | | | improvements to |
> | msdosfs, other | Not done | -- | msdosfs and other |
> | fixes | | | kernel services; |
> | | | | these fixes must be |
> | | | | reviewed and merged |
> | | | | to the FreeBSD tree. |
> |------------------+-------------+----------------+----------------------|
> | | | | Truss appears to |
> | | | | contain a race |
> | | | | condition during the |
> | | | | start-up of |
> | | | | debugging, which can |
> | | | | result in truss |
> | | | | failing to attach to |
> | | | | the process before |
> | | | | it exits. The |
> | | | | symptom is that |
> | | | | truss reports that |
> | | | | it cannot open the |
> | | | | procfs node |
> | | | | supporting the |
> | | | | process being |
> | | | | debugged. A bug also |
> | Race conditions | Errata | Robert Drehmel | appears to exist |
> | in truss | candidate | | where in truss will |
> | | | | hang if execve() |
> | | | | returns ENOENT. A |
> | | | | further race appears |
> | | | | to exist in which |
> | | | | truss will return |
> | | | | "PIOCWAIT: |
> | | | | Input/output error" |
> | | | | occasionally on |
> | | | | startup. The fix for |
> | | | | this sufficiently |
> | | | | changes process |
> | | | | execution handling |
> | | | | that we will defer |
> | | | | the fix to post-5.0 |
> | | | | and consider this |
> | | | | errata. |
> |------------------+-------------+----------------+----------------------|
> | | | | Truss appears to |
> | | | | have another |
> | | | | problem. It is |
> | | | | repeatable by |
> | | | | running "truss -f |
> | More truss | Not done | -- | fsck -p /", |
> | problems | | | suspending it with |
> | | | | ^Z, and then killing |
> | | | | truss. It will leave |
> | | | | behind the fsck |
> | | | | processes which will |
> | | | | be unkillable. |
> |------------------+-------------+----------------+----------------------|
> | | | | Many systems |
> | | | | supporting POSIX.1e |
> | | | | ACLs permit a minor |
> | | | | violation to that |
> | | | | specification, in |
> | | | | which the ACL_MASK |
> | ACL_MASK | | | entry overrides the |
> | override of | Not done | Robert Watson | umask, rather than |
> | umask support in | | | being intersected |
> | UFS | | | with it. The |
> | | | | resulting semantics |
> | | | | can be useful in |
> | | | | group-oriented |
> | | | | environments, and as |
> | | | | such would be very |
> | | | | helpful on FreeBSD. |
> |------------------+-------------+----------------+----------------------|
> | | | | The LOR reported in |
> | | | | PR kern/55175 needs |
> | filedesc LOR | Not done | -- | to be fixed. |
> | | | | Filedesc locking |
> | | | | needs to be heavily |
> | | | | reviewed in general. |
> |------------------+-------------+----------------+----------------------|
> | | | | Currently, MAC |
> | | | | protections are |
> | | | | enforced only on |
> | | | | locally originated |
> | | | | file system |
> | | | | operations (VOPs), |
> | | | | and not on RPCs |
> | | | | generated via the |
> | | | | NFS server. |
> | MAC support for | | | Improvements in NFS |
> | NFS Server | Not done | Robert Watson | server credential |
> | | | | handling are |
> | | | | required to correct |
> | | | | this problem, as |
> | | | | well as the |
> | | | | introduction of new |
> | | | | entry points to |
> | | | | properly label NFS |
> | | | | credentials and |
> | | | | perform enforcement |
> | | | | properly. |
> |------------------+-------------+----------------+----------------------|
> | | | | All PCI drivers must |
> | | | | use busdma for DMA; |
> | | | | no use of vtophys() |
> | busdma in all | In progress | -- | will be permitted |
> | PCI drivers | | | for any recent |
> | | | | device driver. ISA |
> | | | | drivers may be |
> | | | | exempt. |
> |------------------+-------------+----------------+----------------------|
> | | | | Userland bits |
> | KSE support for | In progress | Marcel | implemented, kernel |
> | alpha | | Moolenaar | bits not |
> | | | | implemented. |
> |------------------+-------------+----------------+----------------------|
> | | | | For kernel API/ABI |
> | | | | compatibility |
> | | | | reasons, it would be |
> | CAM locking | In progress | Scott Long, | desirable to have |
> | | | Justin Gibbs | the CAM locking |
> | | | | strategy determined |
> | | | | and loosely |
> | | | | implemented for 5.3. |
> |------------------+-------------+----------------+----------------------|
> | | | | When running syscons |
> | | | | on an Ultra-30 with |
> | | | | Creator-3D typing |
> | | | | characters on the |
> | | | | keyboard produces |
> | | | | garbage. Problem |
> | | | | reported by Kris |
> | syscons not | | | Kennaway. Debugging |
> | working on | Not done | -- | difficult due to |
> | Sparc64 Ultra-30 | | | lack of this |
> | | | | particular |
> | | | | configuration among |
> | | | | developers and |
> | | | | problem isn't |
> | | | | present on similar |
> | | | | hardware (e.g. no |
> | | | | problem on Ultra-60 |
> | | | | w/Creator-3D). |
> +------------------------------------------------------------------------+
>
> Documentation items that must be resolved for 5.3
>
> +-------------------------------------------------------------------------------------------------+
> | Issue | Status |Responsible| Description |
> |--------------+-----------+-----------+----------------------------------------------------------|
> | | |Gavin |The installation documentation doesn't take into account |
> |i386 Floppy | |Atkinson, |the new floppy images (with a full kernel split across |
> |Installation |Done |Bruce A. |multiple disks). This should be updated. |
> |Docs | |Mah |References: |
> | | | |docs/70485 (closed) |
> |--------------+-----------+-----------+----------------------------------------------------------|
> |Finish | |Simon L. |Finish removing mention of individual devices in the |
> |hardware notes|In progress|Nielsen, |hardware notes and use auto-generated lists, based on |
> |trimming | |Christian |driver manual pages, instead. |
> | | |Brueffer | |
> |--------------+-----------+-----------+----------------------------------------------------------|
> | | | |The snd(4) and pcm(4) drivers have been renamed but their |
> | | | |manual pages are still outdated. sound(4) has to be added |
> | | | |and pcm(4), csa(4), gusc(4), sbc(4), and uaudio(4) should |
> |sound(4) | | |be revised. Other manual pages which refer to pcm(4) (if |
> |related manual|In progress|Simon L. |any) should possibly be revised, too. In addition, |
> |pages | |Nielsen |supported cards list needs to be updated. |
> | | | |References: |
> | | | |Manpage for snd_solo on -doc@ |
> | | | |[PATCH] sound(4) related manpages 5.3 TODO item on -doc@ |
> | | | |src/share/man/man4/Makefile rev.1.279 |
> |--------------+-----------+-----------+----------------------------------------------------------|
> | | | |This section is outdated, some rewrites are needed for |
> |Sound section | |Marc |5.3-RELEASE. |
> |in the |Done |Fonvieille |References: |
> |Handbook | | |doc/en_US.ISO8859-1/books/handbook/multimedia/chapter.sgml|
> | | | |rev.1.94 |
> |--------------+-----------+-----------+----------------------------------------------------------|
> |FDP | | |With the snd(4) and pcm(4) drivers changes, documentations|
> |documentations|Not done |-- |(FAQ) regarding the use of these drivers need an update. |
> |related pcm(4)| | | |
> |--------------+-----------+-----------+----------------------------------------------------------|
> | | | |Xin LI pointed out that FreeBSD 5.3-RELEASE is the first |
> | | | |stable release on 5.X and it is (hopefully) not for early |
> | | | |adopters. Early Adopter's Guide is still useful, but |
> |Early | |Bruce A. |contains a bit old information. Some parts of this guide |
> |Adopter's |Done |Mah, Tom |need a rewrite, and this document should be published as |
> |Guide | |Rhodes |"4.X to 5.X Migration Guide", which focuses difference |
> | | | |between 4.X and 5.X. |
> | | | |References: |
> | | | |Draft for review |
> | | | |discussion on -doc@ and -current@ |
> |--------------+-----------+-----------+----------------------------------------------------------|
> | | | |Some parts are outdated. doc/70485 has been committed, but|
> | | | |more work is needed to reflect the realities. bmah@ |
> | | | |pointed out that we should have "quick-start" installation|
> |Installation |Not done |Tom Rhodes |guide for each platform instead of the current ones |
> |Notes | | |because they become too long and difficult to be |
> | | | |maintained. |
> | | | |References: |
> | | | |doc/70485 (closed) |
> |--------------+-----------+-----------+----------------------------------------------------------|
> | | |Ken Tom, |Update the X11 chapter of the Handbook for X.Org's X11 |
> |Xorg |Done |Marc |server. |
> | | |Fonvieille |References: |
> | | | |books/handbook/config/chapter.sgml rev.1.147 |
> |--------------+-----------+-----------+----------------------------------------------------------|
> | | | |Ch.11.4 and 11.5 of the Handbook must be updated to |
> | | | |mention the new rc.d scripts and some ports use |
> |rc.d scripts |In progress|Tom Rhodes |/etc/rc.conf for their configuration. |
> | | | |References: |
> | | | |books/handbook/config/chapter.sgml rev.1.170 |
> | | | |books/handbook/config/chapter.sgml rev.1.172 |
> |--------------+-----------+-----------+----------------------------------------------------------|
> |Handbook's | | |Chapter 8 must be updated to match 5.3-RELEASE. |
> |kernel |Done |Ceri Davies|References: |
> |configuration | | |docs/70674 (closed) |
> |chapter | | |books/handbook/kernelconfig/chapter.sgml rev.1.135 |
> |--------------+-----------+-----------+----------------------------------------------------------|
> | | | |Some parts of Section 14.10 are outdated and are not |
> |Handbook's | | |correct for 5.X systems. |
> |IPsec section |Not done |-- |References: |
> | | | |ipsec on -doc@ |
> | | | |Problem with IPSEC in handbook on -doc@ |
> |--------------+-----------+-----------+----------------------------------------------------------|
> |Handbook's |Not done |-- |Vinum chapter needs to be revised for 5.X systems. |
> |Vinum chapter | | | |
> +-------------------------------------------------------------------------------------------------+
>
> Testing focuses for 5.3-RELEASE
>
> +------------------------------------------------------------------------+
> | Issue | Status | Responsible | Description |
> |--------------------+---------------+--------------+--------------------|
> | | | | SCHED_ULE provides |
> | | | | better |
> | | | | interactivity, |
> | | | | higher |
> | | | | performance, and |
> | SCHED_ULE as the | | Jeff | the ability to |
> | default scheduler | Needs testing | Roberson | support pinning |
> | | | | and affinity. |
> | | | | Basic HTT |
> | | | | scheduling |
> | | | | policies should be |
> | | | | in place for 5.3 |
> | | | | also. |
> |--------------------+---------------+--------------+--------------------|
> | | | | KSE has matured to |
> | | | | the point of being |
> | | | | more stable and |
> | | | | POSIX-compliant |
> | | | | than the |
> | | | | traditional |
> | | | | libc_r. All Tier-1 |
> | | | | platforms MUST |
> | | | | have stable KSE |
> | | | David Xu, | support for 5.3 in |
> | KSE as the default | Needs testing | Daniel | order to support a |
> | threads library | | Eischen | consistent |
> | | | | transition. |
> | | | | Additionally, all |
> | | | | ports that depend |
> | | | | on the pthreads |
> | | | | API must be |
> | | | | modified to |
> | | | | properly detect |
> | | | | and support the |
> | | | | default threading |
> | | | | library. |
> |--------------------+---------------+--------------+--------------------|
> | | | | Binutils needs |
> | | | | updating in order |
> | Updated binutils | | David | to support new |
> | for all platforms | Needs testing | O'Brien | platforms, newer |
> | | | | GDB versions, and |
> | | | | Thread Local |
> | | | | Storage. |
> |--------------------+---------------+--------------+--------------------|
> | | | | The previous GCC |
> | | | | 3.3 snapshot |
> | | | | included |
> | | | | regressions in |
> | | | | alignment of |
> | | | | floating point |
> | gcc 3.3 floating | | | arguments, |
> | point alignment | Needs testing | | resulting in a |
> | regression | | | substantial |
> | | | | performance |
> | | | | degradation. The |
> | | | | recent GCC 3.4.2 |
> | | | | import should fix |
> | | | | this, but more |
> | | | | testing is needed. |
> |--------------------+---------------+--------------+--------------------|
> | | | | Jun Kuriyama has |
> | | | | reportged a failed |
> | | | | locking assertion |
> | | | | with IPv6 TCP |
> | in6_pcbnotify() | Needs testing | Robert | notifications. A |
> | panic with TCP | | Watson | patch has been |
> | | | | committed to the |
> | | | | CVS HEAD and |
> | | | | RELENG_5 and needs |
> | | | | further testing. |
> |--------------------+---------------+--------------+--------------------|
> | | | | To complete |
> | | | | support for |
> | | | | thread-local |
> | | | | storage on |
> | | | | FreeBSD, |
> | Per-platform | | Doug Rabson, | per-architecture |
> | Thread-Local | Needs testing | Marcel | changes must be |
> | Storage | | Moolenaar | made. Currently |
> | | | | pending platforms |
> | | | | are amd64, alpha, |
> | | | | ia64, i386, |
> | | | | sparc64, and |
> | | | | powerpc. |
> |--------------------+---------------+--------------+--------------------|
> | | | | High load on SMP |
> | | | | systems appears to |
> | | | | result in a hard |
> | | | | hang related to VM |
> | | | | IPI. Doug White |
> | SMP instability | | Doug White, | has prepared a |
> | under load | Needs testing | Alan L. Cox | candidate patch |
> | | | | that appears to |
> | | | | resolve this |
> | | | | instability, which |
> | | | | is currently in |
> | | | | testing for merge |
> | | | | to the CVS HEAD. |
> |--------------------+---------------+--------------+--------------------|
> | | | | Significant parts |
> | | | | of the network |
> | | | | stack (especially |
> | | | | IPv4, UNIX domain |
> | | | | IPC, and sockets) |
> | | | | now have |
> | | | | fine-grained |
> | | | | locking of their |
> | | | | data structures. |
> | | | | It's possible to |
> | | | | run many common |
> | | | | network subsystems |
> | | | | and services |
> | | | | without the Giant |
> | Fine-grained | | | lock. However, a |
> | network stack | | Robert | number of device |
> | locking without | Needs testing | Watson | drivers and less |
> | Giant | | | mainstream network |
> | | | | subsystems are |
> | | | | currently not |
> | | | | MPSAFE. By |
> | | | | 5.3-RELEASE, it is |
> | | | | necessary to have |
> | | | | the vast majority |
> | | | | of network code |
> | | | | running without |
> | | | | Giant, including |
> | | | | sockets, |
> | | | | permitting |
> | | | | complete |
> | | | | local<->remote |
> | | | | delivery without |
> | | | | grabbing Giant. |
> |--------------------+---------------+--------------+--------------------|
> | | | | KLDs work when |
> | | | | loaded from |
> | | | | userland, but not |
> | | | David | from the loader. |
> | kld support for | Needs testing | O'Brien, Ian | kldxref and loader |
> | amd64 | | Dowse | support has been |
> | | | | committed to HEAD |
> | | | | and RELENG_5 and |
> | | | | needs final |
> | | | | testing. |
> |--------------------+---------------+--------------+--------------------|
> | | | | Recent changes to |
> | | | | the ATA driver |
> | | | | trigger a bug on |
> | | | So/ren | sparc64 that |
> | ATA panics under | Needs testing | Schmidt, | causes a panic on |
> | sparc64 | | Scott Long | boot. This was |
> | | | | caused by bugs in |
> | | | | busdma that have |
> | | | | been hopefully |
> | | | | fixed. |
> |--------------------+---------------+--------------+--------------------|
> | | | | The ifconf() ioctl |
> | | | | for listing |
> | | | | network interfaces |
> | | | | performs a |
> | | | | copyout() while |
> | | | | holding the global |
> | | | | ifnet list mutex. |
> | | | | This generates a |
> | ifconf() sleep | | | witness warning in |
> | warning | Needs testing | Brooks Davis | the event that |
> | | | | copyout() |
> | | | | generates a page |
> | | | | fault, and risks |
> | | | | more serious |
> | | | | problems. A patch |
> | | | | has been committed |
> | | | | to HEAD and |
> | | | | RELENG_5, but |
> | | | | requires testing. |
> |--------------------+---------------+--------------+--------------------|
> | | | | There are reports |
> | | | | of applications |
> | | | | wedging in poll() |
> | | | | and select() while |
> | | | | running the |
> | | | | network stack |
> | | | | without the Giant |
> | | | | lock. A recent |
> | | | | sleepq change |
> | | | | appears to have |
> | | | | caused some of the |
> | | | | observed problems |
> | | | | to go away (others |
> | | | | are difficult to |
> | poll()/select() | | | test for due to |
> | application wedge | Needs testing | Robert | recent SMP |
> | reports with | | Watson | instability). A |
> | debug.mpsafenet=1 | | | fix has been |
> | | | | committed to CVS |
> | | | | HEAD and merged to |
> | | | | RELENG_5 and |
> | | | | appears to resolve |
> | | | | problems with |
> | | | | poll(); we are |
> | | | | waiting for |
> | | | | feedback that it |
> | | | | has corrected the |
> | | | | reported problems |
> | | | | with select() also |
> | | | | before moving this |
> | | | | to "testing" |
> | | | | status. |
> +------------------------------------------------------------------------+
>
> ----------------------------------------------------------------------
>
> home | contact | legal | (c) 1995-2004 The FreeBSD Project.
> All rights reserved.
> Last modified: 2004/09/26 19:31:47
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