diff options
Diffstat (limited to 'hurd/translator/pfinet')
| -rw-r--r-- | hurd/translator/pfinet/implementation.mdwn | 172 |
1 files changed, 171 insertions, 1 deletions
diff --git a/hurd/translator/pfinet/implementation.mdwn b/hurd/translator/pfinet/implementation.mdwn index 77162d8a..31432788 100644 --- a/hurd/translator/pfinet/implementation.mdwn +++ b/hurd/translator/pfinet/implementation.mdwn @@ -1,4 +1,4 @@ -[[!meta copyright="Copyright © 2000, 2008, 2013 Free Software Foundation, +[[!meta copyright="Copyright © 2000, 2008, 2013, 2014 Free Software Foundation, Inc."]] [[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable @@ -53,6 +53,82 @@ implementation. <youpi> it's not plugged inside pfinet anyway +## IRC, freenode, #hurd, 2014-01-15 + + <braunr> 2014-01-14 23:06:38 IPv4 socket creation failed: Computer bought + the farm + <braunr> :O + <youpi> hum :) + <youpi> perhaps related with your change for "lo" performance? + <braunr> unlikely + <youpi> I don't see what would have changed in pfinet otherwise + <braunr> mig generated code if i'm right + <braunr> lib*fs + <braunr> libfshelp + <braunr> looks plenty enough + <braunr> teythoon's output has been quite high, it's not so suprising to + spot such integration issues + + +### IRC, freenode, #hurd, 2014-01-16 + + <braunr> teythoon: so, did you see we have bugs on the latest hurd packages + :) + <braunr> for some reason, exim4 starts nicely on darnassus, but not on + another test vm + <braunr> and there is a "deallocate invalid name" error at boot time + <braunr> it's also present with your packages + <teythoon> yes + + <braunr> not being able to start exim4 and other servers on some machines, + apparently randomly, is a bit frightening to me + <braunr> as the message says, "most probably a bug" + <teythoon> yes + <braunr> so we have to get rid of it as soon as possible so we can get to + the more interesting stuff + <teythoon> but there is no way to attribute this message to a process + <braunr> well, for those at boot time, there is + <teythoon> ? + <braunr> if i disable exim, i don't get it :p + <teythoon> oh ? + <braunr> but again, it doesn't occur on all machines + <braunr> and that part is the one i don't like at all + <teythoon> still, is it in exim, pfinet, pflocal, ... ? + <teythoon> no way to answer that + <braunr> ah right sorry + <braunr> it's probably pfinet, since exim says computer bought the farm on + a socket + <braunr> pflocal had its same pid + <teythoon> ok + <braunr> and after an upgrade, i don't reproduce that + <braunr> good, in a way + <braunr> there still is the one, after auth + <teythoon> yes + <teythoon> i'm seeing that too + <braunr> (as in "exec init proc auth" + <braunr> shouldn't be too hard to fix + <braunr> i'll settle on this one after i'm done with libps + <gnu_srs> (15:21:34) braunr: it's probably pfinet, since exim says computer + bought the farm on a socket: + <gnu_srs> remember my having problems with removing a socket file, maybe + related, probably not pfinet then? + <braunr> gnu_srs: unlikely + <braunr> that pfinet bug may have been completely transient + <braunr> fixed by upgrading packages + <gnu_srs> braunr: k! + + <braunr> and exim4 keeps crashing on my hurd instance at home + <braunr> (pfinet actually) + <braunr> uh, ok, a stupid typo .. + <braunr> teythoon: --natmask in the /servers/socket/2 node, but correct + options in the 26 one .... :) + + +### IRC, freenode, #hurd, 2014-01-17 + + <teythoon> braunr: *phew* + + # Reimplementation, [[!GNU_Savannah_task 5469]] ## [[community/gsoc/project_ideas/tcp_ip_stack]] @@ -66,6 +142,10 @@ implementation. <braunr> hm, why not <braunr> i would still prefer using code from netbsd <braunr> especially now with the rump kernel project making it even easier + +[[open_issues/user-space_device_drivers]], *External Projects*, *The Anykernel +and Rump Kernels*. + <youpi> well, whatever is easy to maintain up to date actually <braunr> netbsd's focus on general portability normally makes it easy to maintain @@ -86,3 +166,93 @@ implementation. Cloudius OSv apparently have isolated/re-used a BSD networking stack, <http://www.osv.io/>, <https://github.com/cloudius-systems/osv>. + + +## IRC, freenode, #hurd, 2014-02-06 + + <akshay1994> Hello Everyone! Just set up my Hurd system. I need some help + now, in selecting a project on which i can work, and delving further into + this. + <braunr> akshay1994: what are you interested in ? + <akshay1994> I was going through the project ideas. Found TCP/IP Stack, and + CD Audio grabbing interesting. + <braunr> cd audio grabbing ? + <braunr> hm why not + <braunr> akshay1994: you have to understand that, when it come to drivers, + we prefer reusing existing implementations in contained servers than + rewriting ourselves + <braunr> the networking stack project would be very interesting, yes + <akshay1994> Yes. I was indeed reading about the network stack. + <akshay1994> So we need an easily modularise-able userspace stack, which we + can run as a server for now. + <akshay1994> And split into different protocol layers later. + <braunr> hum no + <braunr> we probably want to stick to the model we're currently using with + pfinet + <braunr> for network drivers, yes + <braunr> i strongly suspect we want the whole IPv4/IPv6 networking stack in + a single server + <braunr> and writing glue code so that it works on the hurd + <braunr> then, you may want to add hooks for firewall/qos/etc... + <braunr> (although i think qos should be embedded to) + <braunr> sjbalaji: i also suggest reusing the netbsd networking stack, + since netbsd is well known for its clean portable code, and it has a + rather large user base (compared to us or other less known projects) and + is well maintained + <braunr> the rump project might make porting even easier + +[[open_issues/user-space_device_drivers]], *External Projects*, *The Anykernel +and Rump Kernels*. + + <akshay1994> okay! I was reading the project idea, where they mention that + a true hurdish stack will use a set of translator processes , each + implementing a different protocol layer + <braunr> a true hurdish stack would + <braunr> i strongly doubt we'll ever have the man power to write one + <braunr> i don't really see the point either to be honest :/ + <akshay1994> haha! + <braunr> but others have better vision than me for these things so i don't + know + <akshay1994> So, what are the problems we are facing with the current + pfinet implementation? + <braunr> it's old + <braunr> meaning it doesn't implement some features that may be important, + and has a few bugs due to lack of maintenance + <braunr> maintenance here being updating the code base with a newer + version, and we don't particularly want to continue grabbing code from + linux 2.2 :) + <akshay1994> I see. I was just skimming through google, about userspace + network stacks, but I think I might need to first understand how the + current one works and interacts with the system, before proceeding + further! + <braunr> yes + <braunr> the very idea of a userspace stack itself has little implications + <braunr> it basically means it doesn't run in system mode, and instead of + directly calling functions, it uses RPCs to communicate with other parts + of the system + + <akshay1994> braunr: I looked at the netBSD net-stack, and also how hurd + (and mach) work. I'm starting with the hacking guide. Seems a little + difficult :p + <akshay1994> But i feel, I'll get over it. Any tips? + <braunr> akshay1994: it's not straightforward + <akshay1994> I know. Browsing through pfinet gave me an idea, how complex a + thing I'm trying to deal with in first try :p + + +### IRC, freenode, #hurd, 2014-02-09 + + <antrik> braunr: the point of a hurdisch network stack is the same as a + hurdish block layer, and in fact anything hurdish: you can do things like + tunelling in a natural manner, rather than needing special loopback code + and complex control interfaces + <braunr> antrik: i don't see how something like the current pfinet would + prevent that + + +# IRC, freenode, #hurd, 2013-10-31 + + <braunr> looks like there is a deadlock in pfinet + <braunr> maybe triggered or caused by my thread destruction patch + +[[open_issues/libpthread/t/fix_have_kernel_resources]]. |