On 04.11.12 22:57, Andre Oppermann wrote: > On 04.11.2012 21:15, Andreas Tobler wrote: >> On 04.11.12 14:57, Andre Oppermann wrote: >>> On 04.11.2012 13:11, Kim Culhan wrote: >>>> On Sun, November 4, 2012 6:21 am, Dimitry Andric wrote: >>>>> On 2012-11-04 02:13, Manfred Antar wrote: >>>>>> At 03:29 PM 11/3/2012, Adrian Chadd wrote: >>>>> After the commit, there was a small discussion thread on svn-src-head_at_ >>>>> about the possible problems with the approach. Maybe you are >>>>> experiencing those? >>>>> >>>>> As the commit message says, you should be able to turn the feature off >>>>> using: >>>>> >>>>> sysctl net.inet.tcp.experimental.initcwnd10=0 >>>>> >>>>> Can you please try that, and see if the problems go away? >>>> >>>> FWIW this did not make the problem go away on 2 machines. >>> >>> Yes, this very much looks like the same problem as in PR/173309. >>> >>> Please try the attached patch. It fixes the connection hang issue. >>> There may be a second issue I debugging currently base on the feedback >>> from Fabian Keil. >> >> I jump into this thread since I have a similar network issue. >> >> My scenario: >> >> 'make installkernel DESTDIR=/netboot/test' to a nfs mounted drive. >> The nfs drive on the server is an ufs fs. No zfs. >> >> Up to r242261 I can install the kernel (or world) in a fluent way to the >> nfs destination. >> >> >From r242262 it doesn't work smooth. I have stalls, sometimes my >> patience is not enough and I kill the process. >> >> I tried 242266 with the above mentioned patch. No real success. >> >> How can I help/test? > > Please try the attach patch instead of the above mentioned one. Test run based on 242266. It starts much smoother. But it stalls later on. Continues, stalls for several seconds, cont..... thx so far. Andreas 1391 0 D+ 0:00.00 install -o root -g wheel -m 555 crypto.ko /netboot/test_install procstat -kk 1391 PID TID COMM TDNAME KSTACK 1391 100099 install - mi_switch+0x186 sleepq_timedwait+0x42 _sleep+0x1c9 clnt_vc_call+0x763 clnt_reconnect_call+0xfb newnfs_request+0xadb nfscl_request+0x72 nfsrpc_setattr+0x28f nfs_setattr+0x2b0 VOP_SETATTR_APV+0x31 setfmode+0x101 vn_chmod+0x8a sys_fchmod+0x8b amd64_syscall+0x55f Xfast_syscall+0xf7Received on Sun Nov 04 2012 - 22:28:11 UTC
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