NetBSD/amd64 7.0 domU freezes while running pbulk.sh (was Re: Raspberry Pi 2, nfs mount hangs after some time)

On Mon, 2 Nov 2015, Emile `iMil' Heitor wrote: I'm trying to get rid of those hangs for weeks now, tried every mount flag combination without success, the system would freeze randomly, leaving the whole OS unresponsive. There's no log, no kernel message, the domU actually responds to network

Re: NetBSD/amd64 7.0 domU freezes while running pbulk.sh (was Re: Raspberry Pi 2, nfs mount hangs after some time)

On Thu, 26 Nov 2015, Emile `iMil' Heitor wrote: Again, as there's no log at all, what would help debugging this behaviour? FWIW, some ddb output (ddb is triggered by hitting + on domU's console): fatal breakpoint trap in supervisor mode trap type 1 code 0 rip 8012e5ad cs e030

Re: NetBSD/amd64 7.0 domU freezes while running pbulk.sh (was Re: Raspberry Pi 2, nfs mount hangs after some time)

On Thu, Nov 26, 2015 at 03:55:27PM +0100, Emile `iMil' Heitor wrote: > [...] > Again, as there's no log at all, what would help debugging this behaviour? Can you enter ddb on the console (on a PV domU this is with '+++', not break which doesn't exists for xl console) -- Manuel Bouyer

Re: NetBSD/amd64 7.0 domU freezes while running pbulk.sh (was Re: Raspberry Pi 2, nfs mount hangs after some time)

On Thu, Nov 26, 2015 at 05:22:16PM +0100, Emile `iMil' Heitor wrote: > On Thu, 26 Nov 2015, Emile `iMil' Heitor wrote: > > >Again, as there's no log at all, what would help debugging this behaviour? > > FWIW, some ddb output (ddb is triggered by hitting + on domU's console): what does 'show

Re: NetBSD/amd64 7.0 domU freezes while running pbulk.sh (was Re: Raspberry Pi 2, nfs mount hangs after some time)

On 26 Nov 2015, at 17:22, Emile `iMil' Heitor wrote: > > 242691 3 14 0 a0003f446a80cat nfsrcv > 1868 1 3 15 0 a0003dca59c0 getty nfsrcv > 2354 1 3 5 0 a0003ed51b00 cron

Re: NetBSD/amd64 7.0 domU freezes while running pbulk.sh (was Re: Raspberry Pi 2, nfs mount hangs after some time)

On Thu, 26 Nov 2015, Manuel Bouyer wrote: what does 'show uvm' report ? db{0}> show uvm Current UVM status: pagesize=4096 (0x1000), pagemask=0xfff, pageshift=12 , ncolors=8 7444115 VM pages: 53990 active, 1807 inactive, 1 wired, 7302474 fre e pages 26626 anon, 25029 file, 4143 exec

Re: NetBSD/amd64 7.0 domU freezes while running pbulk.sh (was Re: Raspberry Pi 2, nfs mount hangs after some time)

On Thu, Nov 26, 2015 at 07:13:04PM +0100, Emile `iMil' Heitor wrote: > On Thu, 26 Nov 2015, Manuel Bouyer wrote: > > >what does 'show uvm' report ? > > db{0}> show uvm > Current UVM status: > pagesize=4096 (0x1000), pagemask=0xfff, pageshift=12 > , ncolors=8 7444115 VM pages: 53990 active,

Re: Raspberry Pi 2, nfs mount hangs after some time

On Mon, 26 Oct 2015, Robert Elz wrote: For workarounds, mount using tcp (won't cure the problem, but will make it far less common), and use interruptible mounts (mount_nfs -T -i) so when it does hang, you can kill the process(es) at least. A mee-too reply. I've setup a NetBSD 7.0/amd64

Re: Raspberry Pi 2, nfs mount hangs after some time

On Mon, 2 Nov 2015, Christos Zoulas wrote: Can you get into ddb? unfortunately no, the system hangs but does not panic, it just becomes unusable. Emile `iMil' Heitor *

Re: Raspberry Pi 2, nfs mount hangs after some time

In article , Emile `iMil' Heitor wrote: >On Mon, 2 Nov 2015, Christos Zoulas wrote: > >> Can you get into ddb? > >unfortunately no, the system hangs but does not panic, it just becomes >unusable. If you start running

Re: Raspberry Pi 2, nfs mount hangs after some time

Date:Mon, 26 Oct 2015 09:41:14 +0530 From:Mayuresh Message-ID: <20151026041114.GA29429@odin> | after a while the nfs mount got hung. What mount options did you use? | Is there any known issue and workaround for this. Issue, yes, NetBSD's nfs

Re: Raspberry Pi 2, nfs mount hangs after some time

On Mon 26 Oct 2015 at 20:44:15 +0700, Robert Elz wrote: > Almost for sure the trigger is lost packets, perhaps only in some specific Just recently I posted about a case where the queue of outstanding requests (I think) got corrupted, leading either to hangs or kernel crashes :-( > Date: Tue, 20

Re: Raspberry Pi 2, nfs mount hangs after some time

Date:Mon, 26 Oct 2015 19:39:23 +0700 From:Pongthep Kulkrisada Message-ID: <20151026123923.g...@gmail.com> | Please you be specific or kindly give some examples. It has been a long time, but if you search the list archives you'll find many

Raspberry Pi 2, nfs mount hangs after some time

#uname -a NetBSD pinetbsd 7.0_STABLE NetBSD 7.0_STABLE (RPI2.201510250040Z) evbarm I wanted to use pkgsrc on this device. So created an nfs share on a netbsd laptop and mounted it on pi. When running bootstrap, after a while the nfs mount got hung. The pkgsrc bootstrapping job hung, there was no