Re: [BUG] stacktrace from skb_checksum_help() and skb_gso_segment()

2006-07-25 Thread Rolf Eike Beer
Am Mittwoch, 26. Juli 2006 08:44 schrieb Evgeniy Polyakov: > On Wed, Jul 26, 2006 at 08:41:48AM +0200, Rolf Eike Beer ([EMAIL PROTECTED]) wrote: > > linux-2.6 git tree from yesterday. > > > > Before this the sky2 network driver was working. After a pseudo hotplug > > of the device it was working a

Re: [BUG] stacktrace from skb_checksum_help() and skb_gso_segment()

2006-07-25 Thread Evgeniy Polyakov
On Wed, Jul 26, 2006 at 08:41:48AM +0200, Rolf Eike Beer ([EMAIL PROTECTED]) wrote: > linux-2.6 git tree from yesterday. > > Before this the sky2 network driver was working. After a pseudo hotplug of > the > device it was working again (at least if you receive this mail *g*). > > What next? I

[BUG] stacktrace from skb_checksum_help() and skb_gso_segment()

2006-07-25 Thread Rolf Eike Beer
linux-2.6 git tree from yesterday. Before this the sky2 network driver was working. After a pseudo hotplug of the device it was working again (at least if you receive this mail *g*). What next? Eike Jul 26 08:22:51 siso-eb-i34d kernel: BUG: warning at /home/beer/repos/linux-2.6/net/core/dev.c

Re: async network I/O, event channels, etc

2006-07-25 Thread Evgeniy Polyakov
On Tue, Jul 25, 2006 at 03:01:22PM -0700, David Miller ([EMAIL PROTECTED]) wrote: > From: Ulrich Drepper <[EMAIL PROTECTED]> > Date: Tue, 25 Jul 2006 12:23:53 -0700 > > > I was very much surprised by the reactions I got after my OLS talk. > > Lots of people declared interest and even agreed with

Re: [PATCH] kthread: airo.c

2006-07-25 Thread Andrew Morton
On Mon, 24 Jul 2006 11:13:09 -0700 Sukadev Bhattiprolu <[EMAIL PROTECTED]> wrote: > Sukadev Bhattiprolu [EMAIL PROTECTED] wrote: > > | Andrew, > | > | Javier Achirica, one of the major contributors to > drivers/net/wireless/airo.c > | took a look at this patch, and doesn't have any problems wit

Re: BUGs in skb_checksum_help() and skb_gso_segment() in 2.6.18-rc2

2006-07-25 Thread Herbert Xu
On Wed, Jul 26, 2006 at 06:01:40AM +0200, Patrick McHardy wrote: > > Please send it, I'll update my patch based on that. Thanks. Here it is, it sits on top of commit ca6bb5d7ab22ac79f608fe6cbc6b12de6a5a19f0 Author: David Woodhouse <[EMAIL PROTECTED]> Date: Thu Jun 22 16:07:52 2006 -0700 [

Re: BUGs in skb_checksum_help() and skb_gso_segment() in 2.6.18-rc2

2006-07-25 Thread Patrick McHardy
Herbert Xu wrote: > Hi Patrick: > > On Wed, Jul 26, 2006 at 05:38:07AM +0200, Patrick McHardy wrote: > >>I have a patch which changes netfilter to do incremental checksumming. >>The hook number is passed to all functions doing this so they know >>how to update the checksum. Could you explain how

Re: BUGs in skb_checksum_help() and skb_gso_segment() in 2.6.18-rc2

2006-07-25 Thread Herbert Xu
Hi Patrick: On Wed, Jul 26, 2006 at 05:38:07AM +0200, Patrick McHardy wrote: > > I have a patch which changes netfilter to do incremental checksumming. > The hook number is passed to all functions doing this so they know > how to update the checksum. Could you explain how > CHECKSUM_COMPLETE/CHEC

Is the qla3xxx driver in the mainline?

2006-07-25 Thread Albert Lee
Hi Ron, The qla3xxx driver is in the -mm tree. For the mainline inclusion, Jeff seems ready to accept the driver: http://marc.theaimsgroup.com/?l=linux-netdev&m=115334172810775&w=2 Just wondering if the qla3xxx driver is in the mainline yet? (I am curious to have some performance comparison of

Re: [PATCH Round 4 2/3] Core network changes to support network event notification.

2006-07-25 Thread Herbert Xu
On Tue, Jul 25, 2006 at 10:05:40AM -0500, Steve Wise wrote: > > But they really are seeing a delete followed by an add. That's what the > kernel is doing. Actually that's the other thing I don't really like. The user-space monitor may perceive that a route was actually deleted and replaced by a

Re: BUGs in skb_checksum_help() and skb_gso_segment() in 2.6.18-rc2

2006-07-25 Thread Patrick McHardy
Herbert Xu wrote: > Evgeniy Polyakov <[EMAIL PROTECTED]> wrote: > >>It is not a bug, but remind to update nat helper function. > > > Yes, I need to add CHECKSUM_COMPLETE vs. CHECKSUM_PARTIAL first so that > we actually know which is which in NAT. I have a patch which changes netfilter to do in

Re: BUGs in skb_checksum_help() and skb_gso_segment() in 2.6.18-rc2

2006-07-25 Thread Herbert Xu
Evgeniy Polyakov <[EMAIL PROTECTED]> wrote: > On Tue, Jul 25, 2006 at 05:15:04PM +0200, Tomasz Torcz ([EMAIL PROTECTED]) > wrote: >> BUG: warning at net/core/dev.c:1171/skb_checksum_help() >> [] show_trace_log_lvl+0x51/0xe6 >> [] show_trace+0xa/0xc >> [] dump_stack+0x13/0x15 >> [] skb_checksum

Re: [PATCH] ip multicast route bug fix

2006-07-25 Thread Herbert Xu
Alexey Kuznetsov <[EMAIL PROTECTED]> wrote: > > I think you mean this. > > Note, it is real skb_clone(), not alloc_skb(). Equeued skb contains > the whole half-prepared netlink message plus room for the rest. > It could be also skb_copy(), if we want to be puristic about mangling > cloned data, b

Re: MTU probing bug?

2006-07-25 Thread John Heffner
David Miller wrote: I find it interesting that black hole detection is handled different from a normal probe failure. I guess here we are dealing with a more significant failure, so we should start at the thing which is most guarenteed to work. Black hole detection is substantially different t

Re: [PATCH] Netchannel: default, find, add to socket

2006-07-25 Thread David Miller
From: Kelly Daly <[EMAIL PROTECTED]> Date: Tue, 11 Jul 2006 16:17:56 +1000 > Implement finding of correct netchannel for buffer, default netchannel and > attach a netchannel to a socket > > Signed-off-by: Kelly Daly <[EMAIL PROTECTED]> Kelly, I want to apply this, but your email client has bus

Re: [PATCH][IPv4/IPv6] Setting 0 for unused port field.

2006-07-25 Thread David Miller
Tetsuo-san can you please use a correct "From:" field in your patch postings? Thank you. This will allow me to form a correct attribution when I apply your patches in the future. This time I had to perform a lengthy web search to find who is behind these strange [EMAIL PROTECTED] email addresse

Re: [PATCH][IPv4/IPv6] Setting 0 for unused port field. (fwd)

2006-07-25 Thread YOSHIFUJI Hideaki / 吉藤英明
In article <[EMAIL PROTECTED]> (at Tue, 25 Jul 2006 16:54:36 -0700 (PDT)), David Miller <[EMAIL PROTECTED]> says: > > Well, instead, should it be initalized to protocol number, shouldn't it? > > Initially, this was my reaction too. But, aparently it is defined > to be zero, from TCP/IP Illustra

Re: [PATCH][IPv4/IPv6] Setting 0 for unused port field. (fwd)

2006-07-25 Thread David Miller
From: YOSHIFUJI Hideaki <[EMAIL PROTECTED]> Date: Tue, 25 Jul 2006 23:53:40 +0900 (JST) > In article <[EMAIL PROTECTED]> (at Tue, 25 Jul 2006 10:45:51 -0400 (EDT)), > James Morris <[EMAIL PROTECTED]> says: > > > The recvmsg() for raw socket seems to return random u16 value > > from the kernel st

Re: [PATCH] ip multicast route bug fix

2006-07-25 Thread David Miller
From: Alexey Kuznetsov <[EMAIL PROTECTED]> Date: Wed, 26 Jul 2006 01:17:25 +0400 > Hello! > > > Wouldn't it be better to have a consistent interface (skb always freed), > > and clone the skb if needed for deferred processing? > > I think you mean this. > > Note, it is real skb_clone(), not allo

Re: [PATCH 3/3] tg3: Update version and reldate

2006-07-25 Thread David Miller
From: "Michael Chan" <[EMAIL PROTECTED]> Date: Tue, 25 Jul 2006 15:56:26 -0700 > Update version to 3.63. > > Signed-off-by: Michael Chan <[EMAIL PROTECTED]> Also applied, thanks again. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTE

Re: [PATCH 2/3] tg3: Handle tg3_init_rings() failures

2006-07-25 Thread David Miller
From: "Michael Chan" <[EMAIL PROTECTED]> Date: Tue, 25 Jul 2006 15:56:20 -0700 > Handle dev_alloc_skb() failures when initializing the RX rings. > Without proper handling, the driver will crash when using a partial > ring. > > Thanks to Stephane Doyon <[EMAIL PROTECTED]> for reporting the bug and

Re: [PATCH 1/3] tg3: Add tg3_restart_hw()

2006-07-25 Thread David Miller
From: "Michael Chan" <[EMAIL PROTECTED]> Date: Tue, 25 Jul 2006 15:56:13 -0700 > Add tg3_restart_hw() to handle failures when re-initializing the > device. > > Signed-off-by: Michael Chan <[EMAIL PROTECTED]> Applied, thanks Michael. - To unsubscribe from this list: send the line "unsubscribe net

[PATCH 3/3] tg3: Update version and reldate

2006-07-25 Thread Michael Chan
Update version to 3.63. Signed-off-by: Michael Chan <[EMAIL PROTECTED]> diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index d66b06f..1b8138f 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -68,8 +68,8 @@ #define DRV_MODULE_NAME"tg3" #define PFX DRV_MODULE_NAME

[PATCH 1/3] tg3: Add tg3_restart_hw()

2006-07-25 Thread Michael Chan
Add tg3_restart_hw() to handle failures when re-initializing the device. Signed-off-by: Michael Chan <[EMAIL PROTECTED]> diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index ce6f3be..1253cec 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -3590,6 +3590,28 @@ static irqreturn_t tg3_

Re: async network I/O, event channels, etc

2006-07-25 Thread Nicholas Miell
On Tue, 2006-07-25 at 15:01 -0700, David Miller wrote: > From: Ulrich Drepper <[EMAIL PROTECTED]> > Date: Tue, 25 Jul 2006 12:23:53 -0700 > > > I was very much surprised by the reactions I got after my OLS talk. > > Lots of people declared interest and even agreed with the approach and > > asked m

[PATCH 2/3] tg3: Handle tg3_init_rings() failures

2006-07-25 Thread Michael Chan
Handle dev_alloc_skb() failures when initializing the RX rings. Without proper handling, the driver will crash when using a partial ring. Thanks to Stephane Doyon <[EMAIL PROTECTED]> for reporting the bug and providing the initial patch. Howie Xu <[EMAIL PROTECTED]> also reported the same issue.

Re: async network I/O, event channels, etc

2006-07-25 Thread David Miller
From: Ulrich Drepper <[EMAIL PROTECTED]> Date: Tue, 25 Jul 2006 12:23:53 -0700 > I was very much surprised by the reactions I got after my OLS talk. > Lots of people declared interest and even agreed with the approach and > asked me to do further ahead with all this. For those who missed it, > th

Re: Can we have GET_NETDEV_DEV?

2006-07-25 Thread Pavel Roskin
On Tue, 2006-07-25 at 14:26 -0700, Stephen Hemminger wrote: > On Tue, 25 Jul 2006 17:08:11 -0400 > Pavel Roskin <[EMAIL PROTECTED]> wrote: > > Considering the drivers that are already in the kernel, you may prefer > > to have a more high-level function that would clone the network device > > by cop

Re: MTU probing bug?

2006-07-25 Thread David Miller
From: John Heffner <[EMAIL PROTECTED]> Date: Tue, 25 Jul 2006 09:56:38 -0400 > David Miller wrote: > > John, have a look at this code in tcp_write_timeout(): > > > > mss = min(sysctl_tcp_base_mss, > > tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_low)/2); > >

Re: Can we have GET_NETDEV_DEV?

2006-07-25 Thread Greg KH
On Tue, Jul 25, 2006 at 10:20:05AM -0700, Stephen Hemminger wrote: > On Tue, 25 Jul 2006 00:52:25 -0400 > Pavel Roskin <[EMAIL PROTECTED]> wrote: > > > Hello! > > > > gregkh-driver-network-class_device-to-device.patch, which briefly > > appeared in Linux 2.6.18-rc1-mm1 broke MadWifi, which is cop

Re: Can we have GET_NETDEV_DEV?

2006-07-25 Thread Stephen Hemminger
On Tue, 25 Jul 2006 17:08:11 -0400 Pavel Roskin <[EMAIL PROTECTED]> wrote: > Hello, Stephen! > > On Tue, 2006-07-25 at 10:20 -0700, Stephen Hemminger wrote: > > > So how about these wrappers. > > > +static inline void netdev_set_pdev(struct net_device *dev, struct device > > *pdev) > > +{ > >

Re: [PATCH] ip multicast route bug fix

2006-07-25 Thread Stephen Hemminger
On Wed, 26 Jul 2006 01:17:25 +0400 Alexey Kuznetsov <[EMAIL PROTECTED]> wrote: > Hello! > > > Wouldn't it be better to have a consistent interface (skb always freed), > > and clone the skb if needed for deferred processing? > > I think you mean this. > > Note, it is real skb_clone(), not alloc_

Re: [PATCH] ip multicast route bug fix

2006-07-25 Thread Alexey Kuznetsov
Hello! > Wouldn't it be better to have a consistent interface (skb always freed), > and clone the skb if needed for deferred processing? I think you mean this. Note, it is real skb_clone(), not alloc_skb(). Equeued skb contains the whole half-prepared netlink message plus room for the rest. It c

Re: Can we have GET_NETDEV_DEV?

2006-07-25 Thread Pavel Roskin
Hello, Stephen! On Tue, 2006-07-25 at 10:20 -0700, Stephen Hemminger wrote: > So how about these wrappers. > +static inline void netdev_set_pdev(struct net_device *dev, struct device > *pdev) > +{ > + dev->class_dev.dev = pdev; > +} > + > +static inline struct device *netdev_get_pdev(struct

[PATCH] Stop calling phy_stop_interrupts() twice

2006-07-25 Thread Sergei Shtylylov
Prevent phylib from freeing PHY IRQ twice on closing an eth device: phy_disconnect() first calls phy_stop_interrupts(), then it calls phy_stop_machine() which in turn calls phy_stop_interrupts() making the kernel complain on each bootup... Signed-off-by: Sergei Shtylyov <[EMAIL PROTECTED]> Inde

Re: bandwidth limitation help

2006-07-25 Thread Ian McDonald
On 7/26/06, Piotrowski, Ted P. <[EMAIL PROTECTED]> wrote: Hi, I am new to the mailing list so I'm not sure if anybody reads these, but here goes nothing. I recently read: Linux Advanced Routing & Traffic Control HOWTO and have been trying to test my applications using bandwidth limitation. All t

bandwidth limitation help

2006-07-25 Thread Piotrowski, Ted P.
Hi, I am new to the mailing list so I'm not sure if anybody reads these, but here goes nothing. I recently read: Linux Advanced Routing & Traffic Control HOWTO and have been trying to test my applications using bandwidth limitation. All the examples described in the HOWTO do not simulate the cond

Re: Who maintains the website ?

2006-07-25 Thread Ian McDonald
On 7/26/06, Christophe Devriese <[EMAIL PROTECTED]> wrote: The http://linux-net.osdl.org/index.php/Main_Page website I mean. It's a Wiki so anybody can alter content on the website. The exception to this is that particular page - the main page. If you want something altered on that particular p

bandwidth limitation help

2006-07-25 Thread Piotrowski, Ted P.
Hi, I am new to the mailing list so I'm not sure if anybody reads these, but here goes nothing. I recently read: Linux Advanced Routing & Traffic Control HOWTO and have been trying to test my applications using bandwidth limitation. All the examples described in the HOWTO do not simulate the cond

Re: RDMA will be reverted

2006-07-25 Thread Tom Tucker
On Mon, 2006-07-24 at 15:23 -0700, David Miller wrote: > From: Tom Tucker <[EMAIL PROTECTED]> > Date: Wed, 05 Jul 2006 12:09:42 -0500 > > > "A TOE net stack is closed source firmware. Linux engineers have no way > > to fix security issues that arise. As a result, only non-TOE users will > > recei

Who maintains the website ?

2006-07-25 Thread Christophe Devriese
The http://linux-net.osdl.org/index.php/Main_Page website I mean. -- -- Christophe Devriese EURiD Network Adminstrator / Developer [EMAIL PROTECTED] --- http://

Re: [PATCH] ip multicast route bug fix

2006-07-25 Thread Alexey Kuznetsov
Hello! > Wouldn't it be better to have a consistent interface (skb always freed), > and clone the skb if needed for deferred processing? I am sorry, I misunderstood you. I absolutely agree. It is much better, the variant which I suggested is a good sample of bad programming. :-) Alexey - To uns

Re: Can we have GET_NETDEV_DEV?

2006-07-25 Thread Stephen Hemminger
On Tue, 25 Jul 2006 00:52:25 -0400 Pavel Roskin <[EMAIL PROTECTED]> wrote: > Hello! > > gregkh-driver-network-class_device-to-device.patch, which briefly > appeared in Linux 2.6.18-rc1-mm1 broke MadWifi, which is copying the > physical device information from the master network device to the > vi

Re: Runtime power management for network interfaces

2006-07-25 Thread David Brownell
On Tuesday 25 July 2006 8:59 am, Alan Stern wrote: > During a Power Management session at the Ottawa Linux Symposium, it was > generally agreed that network interface drivers ought to automatically > suspend their devices (if possible) whenever: > > (1) The interface is ifconfig'ed down, or >

Re: [PATCH] ip multicast route bug fix

2006-07-25 Thread Alexey Kuznetsov
Hello! > checking tools because the skb lifetime depends on the return value. > Wouldn't it be better to have a consistent interface (skb always freed), > and clone the skb if needed for deferred processing? But skb is not always freed in any case. Normally it is submitted to netlink_unicast(). I

Re: Runtime power management for network interfaces

2006-07-25 Thread Auke Kok
Alan Stern wrote: During a Power Management session at the Ottawa Linux Symposium, it was generally agreed that network interface drivers ought to automatically suspend their devices (if possible) whenever: (1) The interface is ifconfig'ed down, or (2) No link is available. Presumably

Re: [PATCH] ip multicast route bug fix

2006-07-25 Thread Stephen Hemminger
On Tue, 25 Jul 2006 20:20:01 +0400 Alexey Kuznetsov <[EMAIL PROTECTED]> wrote: > Hello! > > > Code was reusing an skb which could lead to use after free or double free. > > No, this does not help. The bug is not here. > > I was so ashamed of this that could not touch the thing. :-) > It startle

Re: RDMA will be reverted

2006-07-25 Thread Andi Kleen
> It may be a hardware interpretation, but doesn't it have non-trivial system > implications - where one runs threads/processes etc? Only if you do process context RX processing. If you chose not to it doesn't have much influence. -Andi - To unsubscribe from this list: send the line "unsubscri

Re: RDMA will be reverted

2006-07-25 Thread Rick Jones
David Miller wrote: From: Rick Jones <[EMAIL PROTECTED]> Date: Mon, 24 Jul 2006 17:55:24 -0700 Even enough bits for 1024 or 2048 CPUs in the single system image? I have seen 1024 touted by SGI, and with things going so multi-core, perhaps 16384 while sounding initially bizzare would be in th

[PATCH] ip multicast route bug fix (rev2)

2006-07-25 Thread Stephen Hemminger
IP multicast route code was reusing an skb which causes use after free and double free. Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]> --- net/ipv4/ipmr.c | 22 -- 1 files changed, 16 insertions(+), 6 deletions(-) diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index b

Re: [PATCH] ip multicast route bug fix

2006-07-25 Thread Alexey Kuznetsov
Hello! > Code was reusing an skb which could lead to use after free or double free. No, this does not help. The bug is not here. I was so ashamed of this that could not touch the thing. :-) It startled me a lot, how is it possible that the thing was in production for several years and such bad b

Runtime power management for network interfaces

2006-07-25 Thread Alan Stern
During a Power Management session at the Ottawa Linux Symposium, it was generally agreed that network interface drivers ought to automatically suspend their devices (if possible) whenever: (1) The interface is ifconfig'ed down, or (2) No link is available. Presumably (1) should be easy e

Re: BUGs in skb_checksum_help() and skb_gso_segment() in 2.6.18-rc2

2006-07-25 Thread Evgeniy Polyakov
On Tue, Jul 25, 2006 at 05:15:04PM +0200, Tomasz Torcz ([EMAIL PROTECTED]) wrote: > BUG: warning at net/core/dev.c:1171/skb_checksum_help() > [] show_trace_log_lvl+0x51/0xe6 > [] show_trace+0xa/0xc > [] dump_stack+0x13/0x15 > [] skb_checksum_help+0x4d/0xeb > [] ip_nat_fn+0x47/0x19a It is not

BUGs in skb_checksum_help() and skb_gso_segment() in 2.6.18-rc2

2006-07-25 Thread Tomasz Torcz
Hi, I just noticed in my logs following messages: BUG: warning at net/core/dev.c:1171/skb_checksum_help() [] show_trace_log_lvl+0x51/0xe6 [] show_trace+0xa/0xc [] dump_stack+0x13/0x15 [] skb_checksum_help+0x4d/0xeb [] ip_nat_fn+0x47/0x19a [] ip_nat_local_fn+0x3c/0xba [] nf_iterate+0x40/

Re: [PATCH Round 4 2/3] Core network changes to support network event notification.

2006-07-25 Thread Steve Wise
On Tue, 2006-07-25 at 17:39 +1000, Herbert Xu wrote: > Steve Wise <[EMAIL PROTECTED]> wrote: > > > > Routing redirect events are broadcast as a pair of rtmsgs, RTM_DELROUTE > > and RTM_NEWROUTE. > > This may confuse existing rtnetlink users since you're generating an > RTM_DELROUTE message that's

Re: [PATCH][IPv4/IPv6] Setting 0 for unused port field. (fwd)

2006-07-25 Thread YOSHIFUJI Hideaki / 吉藤英明
In article <[EMAIL PROTECTED]> (at Tue, 25 Jul 2006 10:45:51 -0400 (EDT)), James Morris <[EMAIL PROTECTED]> says: > The recvmsg() for raw socket seems to return random u16 value > from the kernel stack memory since port field is not initialized. > But I'm not sure this patch is correct. > Does ra

[PATCH][IPv4/IPv6] Setting 0 for unused port field. (fwd)

2006-07-25 Thread James Morris
-- Forwarded message -- Date: Tue, 25 Jul 2006 16:38:05 +0900 From: [EMAIL PROTECTED] To: linux-kernel@vger.kernel.org Subject: [PATCH][IPv4/IPv6] Setting 0 for unused port field. Hello. The recvmsg() for raw socket seems to return random u16 value from the kernel stack memory si

Re: MTU probing bug?

2006-07-25 Thread John Heffner
David Miller wrote: John, have a look at this code in tcp_write_timeout(): mss = min(sysctl_tcp_base_mss, tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_low)/2); mss = max(mss, 68 - tp->tcp_header_len); That first line looks like it should be

Networking lock problem. general protection fault: 0000 [#1]

2006-07-25 Thread Ian Stirling
This happened several seconds after plugging in my wireless network card - zd1211 - with the driver from http://sourceforge.net/projects/zd1211/ However. It was after the module was loaded, when my setup script was being run for the device - the relevant portion: ifconfig $device:1 $alternate

[no subject]

2006-07-25 Thread Kunio Murasawa
- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html

Re: Unable to handle kernel paging request, another 2.6.16.25 server reboots

2006-07-25 Thread Chuck Ebbert
In-Reply-To: <[EMAIL PROTECTED]> On Mon, 24 Jul 2006 12:01:48 +0400, Jim Klimov wrote: > I recently wrote about problems with a fileserver rebooting > frequently. Another similar server got under NFS load today > and rebooted at least twice in the past few hours. > > This server has a similar

Re: [IPROUTE]: Add support for multipath route realms

2006-07-25 Thread Patrick McHardy
Herbert Xu wrote: > Patrick McHardy <[EMAIL PROTECTED]> wrote: > >>[IPROUTE]: Add support for multipath route realms >> >>Routing realms exist per nexthop, but iproute currently only allows to send >>a single route realm, which is refused by the kernel for multipath routes. >>Add support for speci

Re: [IPROUTE]: Add support for multipath route realms

2006-07-25 Thread Herbert Xu
On Tue, Jul 25, 2006 at 06:19:33PM +1000, Herbert Xu wrote: > > > new kernel: > > > > 1.2.3.4 > >nexthop realm 1 dev dummy0 weight 1 > >nexthop realm 2 dev dummy1 weight 1 > >nexthop realm 3 dev dummy2 weight 1 > >nexthop realm 4 dev dummy3 weight 1 > > This really

Re: [IPROUTE]: Add support for multipath route realms

2006-07-25 Thread Herbert Xu
Patrick McHardy <[EMAIL PROTECTED]> wrote: > > [IPROUTE]: Add support for multipath route realms > > Routing realms exist per nexthop, but iproute currently only allows to send > a single route realm, which is refused by the kernel for multipath routes. > Add support for specifying per nexthop re

Re: [PATCH] ip multicast route bug fix

2006-07-25 Thread Herbert Xu
Stephen Hemminger <[EMAIL PROTECTED]> wrote: > > @@ -1593,12 +1594,19 @@ int ipmr_get_route(struct sk_buff *skb, >read_unlock(&mrt_lock); >return -ENODEV; >} > - skb->nh.raw = skb_push(skb, sizeof(struct iphdr)); > -

Re: RDMA will be reverted

2006-07-25 Thread Evgeniy Polyakov
On Tue, Jul 25, 2006 at 12:33:44AM -0700, David Miller ([EMAIL PROTECTED]) wrote: > From: Evgeniy Polyakov <[EMAIL PROTECTED]> > Date: Tue, 25 Jul 2006 10:59:21 +0400 > > > As a side completely unrelated to either my or others work note :) - > > I think it is a nanooptimisation - we get a bit of

Re: [PATCH Round 4 2/3] Core network changes to support network event notification.

2006-07-25 Thread Herbert Xu
Steve Wise <[EMAIL PROTECTED]> wrote: > > Routing redirect events are broadcast as a pair of rtmsgs, RTM_DELROUTE > and RTM_NEWROUTE. This may confuse existing rtnetlink users since you're generating an RTM_DELROUTE message that's identical to one triggered by something like 'ip route del'. As y

Re: RDMA will be reverted

2006-07-25 Thread David Miller
From: Evgeniy Polyakov <[EMAIL PROTECTED]> Date: Tue, 25 Jul 2006 10:59:21 +0400 > As a side completely unrelated to either my or others work note :) - > I think it is a nanooptimisation - we get a bit of performance here, > and lose those bit in other place. > When bag is filled, there is no mu

MTU probing bug?

2006-07-25 Thread David Miller
John, have a look at this code in tcp_write_timeout(): mss = min(sysctl_tcp_base_mss, tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_low)/2); mss = max(mss, 68 - tp->tcp_header_len); That first line looks like it should be a max() instead of a

Re: RDMA will be reverted

2006-07-25 Thread Evgeniy Polyakov
On Mon, Jul 24, 2006 at 11:48:53PM -0700, David Miller ([EMAIL PROTECTED]) wrote: > > And if that CPU is very busy? > > Linux should somehow tell NIC that some CPUs are valid and some are not > > right now, but not in a second, so scheduler must be tightly bound with > > network internals. > > Ye