On Fri, Oct 03, 2014 at 10:31:56AM -0700, hiren panchasara wrote: > On Fri, Oct 3, 2014 at 1:01 AM, Julien Cigar <jci...@ulb.ac.be> wrote: > > On Thu, Oct 02, 2014 at 04:36:49PM -0700, hiren panchasara wrote: > >> On Thu, Oct 2, 2014 at 11:19 AM, Julien Cigar <jci...@ulb.ac.be> wrote: > >> > On Thu, Oct 02, 2014 at 10:24:13AM -0700, hiren panchasara wrote: > >> >> On Thu, Oct 2, 2014 at 9:42 AM, Julien Cigar <jci...@ulb.ac.be> wrote: > >> >> > sorry for cross-posting, I'm forwarding this as it seems that part of > >> >> > the problem is also related to: > >> >> > https://lists.freebsd.org/pipermail/freebsd-net/2014-September/039664.html > >> >> > >> >> Umm, this looks like a different problem than the subject of this email. > >> > > >> > yes and no, seems the same hardware (HP and igb) and I have also some > >> > "requests for mbufs denied" (https://dpaste.de/t8kJ/raw) without any > >> > reasons. I should add that the box hanged a week ago and I had to do a > >> > hard reboot, I have the feeling that it's somewhat related to this > >> > problem .. > >> > > >> I suggest you try to debug these 2 problems separately. Did you get a > >> chance to look at kgdb to find the culprit process as I suggested > >> below? > > > > I tried what you suggested, but I get a "No struct type named inpcb" > > Any idea ? :) > > Is your kernel not build with debug symbols? Can you share your kernconf?
indeed.. I always disable debug symbols on the production machines this is my kernconf: https://dpaste.de/8658/raw maybe I should give 10.1-RELEASE a try now that it's out soon .. > > I have following in my kernconf: > > makeoptions DEBUG=-g > options KDB > options KDB_TRACE > options DDB > > cheers, > Hiren > > >> > >> cheers, > >> Hiren > >> >> > > >> >> > I also wonder if something has been fixed in -STABLE in this area .. > >> >> > > >> >> > (please keep me in CC as I'm not subscribed on freebsd-net@ an > >> >> > freebsd-stable@) > >> >> > > >> >> > -- > >> >> > Julien Cigar > >> >> > Belgian Biodiversity Platform (http://www.biodiversity.be) > >> >> > PGP fingerprint: EEF9 F697 4B68 D275 7B11 6A25 B2BB 3710 A204 23C0 > >> >> > No trees were killed in the creation of this message. > >> >> > However, many electrons were terribly inconvenienced. > >> >> > > >> >> > > >> >> > ---------- Forwarded message ---------- > >> >> > From: Julien Cigar <jci...@ulb.ac.be> > >> >> > To: freebsd-questi...@freebsd.org > >> >> > Cc: > >> >> > Date: Thu, 2 Oct 2014 11:52:06 +0200 > >> >> > Subject: Listen queue overflow: 8 already in queue awaiting acceptance > >> >> > Hello, > >> >> > > >> >> > I'm running 10-RELEASE on a HP Proliant DL160 Gen8 and I'm seeing the > >> >> > following in my kernel logs: > >> >> > sonewconn: pcb 0xfffff8010e561310: Listen queue overflow: 8 already in > >> >> > queue awaiting acceptance > >> >> > >> >> This usually means the application is not keeping up with the incoming > >> >> connections. > >> >> > > >> >> > I already raised kern.ipc.soacceptqueue to 1024 and netstat -naA | > >> >> > grep > >> >> > "fffff8010e561310" returns nothing > >> >> > >> >> This is the usual way of finding the culprit process. If this doesn't > >> >> return anything, it probably means that it is a short-lived process. > >> >> > >> >> Here is an example of what you could do: > >> >> > >> >> sonewconn: pcb 0xfffff8008f40cb10: Listen queue overflow: 1 already in > >> >> queue > >> >> awaiting acceptance > >> >> > >> >> From kgdb, > >> >> (kgdb) p ((struct inpcb *)0xfffff8008f40cb10)->inp_inc > >> >> $3 = {inc_flags = 0 '\0', inc_len = 0 '\0', inc_fibnum = 0, inc_ie = > >> >> {ie_fport > >> >> = 0, ie_lport = 10295, ie_dependfaddr = { > >> >> ie46_foreign = {ia46_pad32 = {0, 0, 0}, ia46_addr4 = {s_addr = > >> >> 0}}, > >> >> ie6_foreign = {__u6_addr = { > >> >> __u6_addr8 = '\0' <repeats 15 times>, __u6_addr16 = {0, 0, 0, > >> >> 0, 0, > >> >> 0, 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}}, > >> >> ie_dependladdr = {ie46_local = {ia46_pad32 = {0, 0, 0}, ia46_addr4 = > >> >> {s_addr = 0}}, ie6_local = {__u6_addr = { > >> >> __u6_addr8 = '\0' <repeats 15 times>, __u6_addr16 = {0, 0, 0, > >> >> 0, 0, > >> >> 0, 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}}}} > >> >> > >> >> Here, ie_lport = 10295 which is in n/w byte order and converting it to > >> >> host > >> >> byte order, 10295 -> 0x2837 and swapping them gives us 0x3728 which is > >> >> 14120. > >> >> > >> >> Now, use sockstat to find out what process is on that port: > >> >> > >> >> $ sockstat -l | grep 14120 > >> >> > >> >> cheers, > >> >> Hiren > >> > > >> > -- > >> > Julien Cigar > >> > Belgian Biodiversity Platform (http://www.biodiversity.be) > >> > PGP fingerprint: EEF9 F697 4B68 D275 7B11 6A25 B2BB 3710 A204 23C0 > >> > No trees were killed in the creation of this message. > >> > However, many electrons were terribly inconvenienced. > > > > -- > > Julien Cigar > > Belgian Biodiversity Platform (http://www.biodiversity.be) > > PGP fingerprint: EEF9 F697 4B68 D275 7B11 6A25 B2BB 3710 A204 23C0 > > No trees were killed in the creation of this message. > > However, many electrons were terribly inconvenienced. -- Julien Cigar Belgian Biodiversity Platform (http://www.biodiversity.be) PGP fingerprint: EEF9 F697 4B68 D275 7B11 6A25 B2BB 3710 A204 23C0 No trees were killed in the creation of this message. However, many electrons were terribly inconvenienced.
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