Re: [PATCH 1/3] PCI/ASPM: Use the path max in L1 ASPM latency check

2020-12-17 Thread Ian Kumlien
On Thu, Dec 17, 2020 at 12:21 AM Bjorn Helgaas wrote: > > On Wed, Dec 16, 2020 at 12:20:53PM +0100, Ian Kumlien wrote: > > On Wed, Dec 16, 2020 at 1:08 AM Bjorn Helgaas wrote: > > > On Tue, Dec 15, 2020 at 02:09:12PM +0100, Ian Kumlien wrote: > > > > On Tue, Dec

Re: [PATCH 1/3] PCI/ASPM: Use the path max in L1 ASPM latency check

2020-12-16 Thread Ian Kumlien
On Wed, Dec 16, 2020 at 1:08 AM Bjorn Helgaas wrote: > > On Tue, Dec 15, 2020 at 02:09:12PM +0100, Ian Kumlien wrote: > > On Tue, Dec 15, 2020 at 1:40 AM Bjorn Helgaas wrote: > > > > > > On Mon, Dec 14, 2020 at 11:56:31PM +0100, Ian Kumlien wrote: > > >

Re: [PATCH 1/3] PCI/ASPM: Use the path max in L1 ASPM latency check

2020-12-15 Thread Ian Kumlien
On Tue, Dec 15, 2020 at 1:40 AM Bjorn Helgaas wrote: > > On Mon, Dec 14, 2020 at 11:56:31PM +0100, Ian Kumlien wrote: > > On Mon, Dec 14, 2020 at 8:19 PM Bjorn Helgaas wrote: > > > > If you're interested, you could probably unload the Realtek drivers, > >

Re: [PATCH 1/3] PCI/ASPM: Use the path max in L1 ASPM latency check

2020-12-14 Thread Ian Kumlien
On Mon, Dec 14, 2020 at 8:19 PM Bjorn Helgaas wrote: > > On Mon, Dec 14, 2020 at 04:47:32PM +0100, Ian Kumlien wrote: > > On Mon, Dec 14, 2020 at 3:02 PM Bjorn Helgaas wrote: > > > On Mon, Dec 14, 2020 at 10:14:18AM +0100, Ian Kumlien wrote: > > > > On Mon, Dec

Re: [PATCH 1/3] PCI/ASPM: Use the path max in L1 ASPM latency check

2020-12-14 Thread Ian Kumlien
On Mon, Dec 14, 2020 at 3:02 PM Bjorn Helgaas wrote: > > On Mon, Dec 14, 2020 at 10:14:18AM +0100, Ian Kumlien wrote: > > On Mon, Dec 14, 2020 at 6:44 AM Bjorn Helgaas wrote: > > > > > > [+cc Jesse, Tony, David, Jakub, Heiner, lists in case there's an ASPM &g

Re: [PATCH 1/3] PCI/ASPM: Use the path max in L1 ASPM latency check

2020-12-14 Thread Ian Kumlien
ormance, but AFAICT the devices in that path give us > no reason to disable L1. If I understand the spec correctly, the > Realtek device should not be relevant to the I211 path.] > > On Sun, Dec 13, 2020 at 10:39:53PM +0100, Ian Kumlien wrote: > > On Sun, Dec 13, 2020 at 12:47 AM

Re: [PATCH 2/2] PCI: vmd: Enable ASPM for mobile platforms

2020-10-09 Thread Ian Kumlien
On Thu, Oct 8, 2020 at 6:19 AM Kai-Heng Feng wrote: > > > > > On Oct 7, 2020, at 21:30, Bjorn Helgaas wrote: > > > > On Wed, Oct 07, 2020 at 12:26:19PM +0800, Kai-Heng Feng wrote: > >>> On Oct 6, 2020, at 03:19, Bjorn Helgaas wrote: > >>> On Tue, Oct 06, 2020 at 02:40:32AM +0800, Kai-Heng Feng w

Re: [PATCH 2/2] PCI: vmd: Enable ASPM for mobile platforms

2020-10-07 Thread Ian Kumlien
On Wed, Oct 7, 2020 at 3:30 PM Bjorn Helgaas wrote: > > On Wed, Oct 07, 2020 at 12:26:19PM +0800, Kai-Heng Feng wrote: > > > On Oct 6, 2020, at 03:19, Bjorn Helgaas wrote: > > > On Tue, Oct 06, 2020 at 02:40:32AM +0800, Kai-Heng Feng wrote: > > >>> On Oct 3, 2020, at 06:18, Bjorn Helgaas wrote:

Re: [PATCH 2/2] PCI: vmd: Enable ASPM for mobile platforms

2020-10-07 Thread Ian Kumlien
On Wed, Oct 7, 2020 at 6:26 AM Kai-Heng Feng wrote: > > > > > On Oct 6, 2020, at 03:19, Bjorn Helgaas wrote: > > > > [+cc Ian, who's also working on an ASPM issue] > > > > On Tue, Oct 06, 2020 at 02:40:32AM +0800, Kai-Heng Feng wrote: > >>> On Oct 3, 2020, at 06:18, Bjorn Helgaas wrote: > >>> On

Re: [PATCH v4 01/12] IB/hfi1: Check if pcie_capability_read_*() reads ~0

2020-08-03 Thread Ian Kumlien
;latency_up.l1, link->latency_dw.l1); - if ((link->aspm_capable & ASPM_STATE_L1) && - (latency + l1_switch_latency > acceptable->l1)) - link->aspm_capable &= ~ASPM_STATE_L1; - l1_switch_latency += 1000; + if (link->a

Re: [PATCH 4.20 000/111] 4.20.4-stable review

2019-01-21 Thread Ian Kumlien
On Mon, Jan 21, 2019 at 7:48 PM David Miller wrote: > > From: Ian Kumlien > Date: Mon, 21 Jan 2019 16:38:11 +0100 > > > Hi David, > > > > could we have your blessing to add the following patch to -stable for > > 4.20.4: > > commit 41d1c8839e5f8cb781cc63

Re: [PATCH 4.20 000/111] 4.20.4-stable review

2019-01-21 Thread Ian Kumlien
id S. Miller --- Also, do you keep your -stable queue somewhere where I can see it? It feels like I'm stepping on toes, adding overhead and such, which is not what i want... On Mon, Jan 21, 2019 at 4:10 PM Greg KH wrote: > On Mon, Jan 21, 2019 at 03:56:24PM +0100, Ian Kumlien wrote:

Re: [PATCH 4.20 000/111] 4.20.4-stable review

2019-01-21 Thread Ian Kumlien
On Mon, Jan 21, 2019 at 3:47 PM Greg KH wrote: > > On Mon, Jan 21, 2019 at 03:44:24PM +0100, Ian Kumlien wrote: > > Hi, > > > > IMHO you are missing: 41d1c8839e5f8cb781cc635f12791decee8271b7 > > > > Which should be marked for stable, it fixes: > > h

Re: [PATCH 4.20 000/111] 4.20.4-stable review

2019-01-21 Thread Ian Kumlien
Hi, IMHO you are missing: 41d1c8839e5f8cb781cc635f12791decee8271b7 Which should be marked for stable, it fixes: https://bugzilla.kernel.org/show_bug.cgi?id=202235

Re: [BUG] moving fq back to clock monotonic breaks my setup

2019-01-11 Thread Ian Kumlien
On Fri, Jan 11, 2019 at 10:35 AM Eric Dumazet wrote: > On Thu, Jan 10, 2019 at 12:55 AM Paolo Abeni wrote: > > On Thu, 2019-01-10 at 09:25 +0100, Ian Kumlien wrote: > > > > > This works, and so does: > > > https://marc.info/?l=linux-netdev&m=154696956604748

Re: [BUG] moving fq back to clock monotonic breaks my setup

2019-01-10 Thread Ian Kumlien
On Thu, Jan 10, 2019 at 6:53 AM Eric Dumazet wrote: > On Wed, Jan 9, 2019 at 4:48 PM Ian Kumlien wrote: > > > > Hi, > > > > Just been trough ~5+ hours of bisecting and eventually actually found > > the culprit =) > > > > commit fb420d5d91c1

[BUG] moving fq back to clock monotonic breaks my setup

2019-01-09 Thread Ian Kumlien
Hi, Just been trough ~5+ hours of bisecting and eventually actually found the culprit =) commit fb420d5d91c1274d5966917725e71f27ed092a85 (refs/bisect/bad) Author: Eric Dumazet Date: Fri Sep 28 10:28:44 2018 -0700 tcp/fq: move back to CLOCK_MONOTONIC [--8<--] So this might be because my

Re: [BUG] v4.20 - bridge not getting DHCP responses? (works in 4.19.13)

2019-01-09 Thread Ian Kumlien
Confirmed, sending a new mail with summary etc On Thu, Jan 10, 2019 at 1:16 AM Ian Kumlien wrote: > > On Wed, Jan 9, 2019 at 12:17 AM Ian Kumlien wrote: > > On Wed, Jan 9, 2019, 00:09 Florian Fainelli > [--8<---] > > >> > when looking at "git log v4.

Re: [BUG] v4.20 - bridge not getting DHCP responses? (works in 4.19.13)

2019-01-09 Thread Ian Kumlien
On Wed, Jan 9, 2019 at 12:17 AM Ian Kumlien wrote: > On Wed, Jan 9, 2019, 00:09 Florian Fainelli > > when looking at "git log v4.19...v4.20 >> > drivers/net/ethernet/intel/ixgbe/" nothing else really stands out... >> > The machine is also running NAT for my ho

Re: [BUG] v4.20 - bridge not getting DHCP responses? (works in 4.19.13)

2019-01-08 Thread Ian Kumlien
On Tue, Jan 8, 2019 at 11:51 PM Stephen Hemminger wrote: > On Tue, 8 Jan 2019 23:10:04 +0100 > Ian Kumlien wrote: > > On Sun, Jan 6, 2019 at 11:21 PM Ian Kumlien wrote: > > > > > > [Sorry for the repost, screwed up the netdev address...] > > > > > &g

Re: [BUG] v4.20 - bridge not getting DHCP responses? (works in 4.19.13)

2019-01-08 Thread Ian Kumlien
On Sun, Jan 6, 2019 at 11:21 PM Ian Kumlien wrote: > > [Sorry for the repost, screwed up the netdev address...] > > Hi, > > Switching from 4.19.x -> 4.20 resulted in DHCP not working for my VM:s. > > My firewall (which also runs the dhcpd) runs VM:s and it doe

Fwd: [BUG] v4.20 - bridge not getting DHCP responses? (works in 4.19.13)

2019-01-06 Thread Ian Kumlien
[Sorry for the repost, screwed up the netdev address...] Hi, Switching from 4.19.x -> 4.20 resulted in DHCP not working for my VM:s. My firewall (which also runs the dhcpd) runs VM:s and it does this by having physical interfaces attached to bridges - which the VM:s in turn attach to. Since 4.2

[BUG] v4.20 - bridge not getting DHCP responses? (works in 4.19.13)

2019-01-06 Thread Ian Kumlien
Hi, Switching from 4.19.x -> 4.20 resulted in DHCP not working for my VM:s. My firewall (which also runs the dhcpd) runs VM:s and it does this by having physical interfaces attached to bridges - which the VM:s in turn attach to. Since 4.20 the VM:s can't use DHCP, it's odd since the requests are

Re: pcc_cpufreq: high LA

2018-12-03 Thread Ian Kumlien
No response? Should pcc_cpufreq be assumed as broken since it actually kills machines? Should I submit a patch that removes it? On Tue, Nov 20, 2018 at 3:05 PM Ian Kumlien wrote: > > Hi, > > We've had this happen a few times now, pcc_cpufreq is loaded and the > machine

pcc_cpufreq: high LA

2018-11-20 Thread Ian Kumlien
Hi, We've had this happen a few times now, pcc_cpufreq is loaded and the machine has a LA of 33 with kworkers consuming *all CPU* We have had this happen before, looking at it has been pushed to the leaky-stack^tm in my mind and... 32 cores: processor : 31 vendor_id : GenuineIntel cpu family : 6

[nfsd] page allocation failure -> kernel oops, even local fs hangs.

2018-07-04 Thread Ian Kumlien
Hi, I just had this happen a little while ago, got different weird deadlocks but this one actually generated a oops.. This is basic operation, a machine with 16 gb memory mainly doing NFS traffic. I'm currently playing with RDMA for this, which is why mlx4 is included. When the crash occurs, th

[4.11.0 Kernel oops] propagate_one+0xa1/0x200

2017-06-26 Thread Ian Kumlien
Hi, While restarting a docker container today we had four machines deadlock with the following oops If this is related to propagate_one, then nothing has changed in the later kernels and this could still be a issue I'm still trying to investigate what happened This is the OCR-corrected version:

[PATCH] Update pptp handling to avoid null pointer deref. v2

2017-01-02 Thread Ian Kumlien
80 Fixes: ab10dccb1160 ("rps: Inspect PPTP encapsulated by GRE to get flow hash") Signed-off-by: Ian Kumlien --- net/core/flow_dissector.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index c6d8207ffa7e..

[PATCH] Update pptp handling to avoid null pointer deref. v2

2017-01-02 Thread Ian Kumlien
80 Fixes: ab10dccb1160 ("rps: Inspect PPTP encapsulated by GRE to get flow hash") Signed-off-by: Ian Kumlien --- net/core/flow_dissector.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index c6d8207ffa7e..

Re: [PATCH] Update pptp handling to avoid null pointer deref.

2017-01-02 Thread Ian Kumlien
On Mon, Jan 2, 2017 at 5:07 AM, David Miller wrote: > From: Ian Kumlien > Date: Mon, 2 Jan 2017 00:19:36 +0100 > >> __skb_flow_dissect can be called with a skb or a data packet, either >> can be NULL. All calls seems to have been moved to __skb_header_pointer >> exc

[PATCH] Update pptp handling to avoid null pointer deref.

2017-01-01 Thread Ian Kumlien
00080 --- Signed-off-by: Ian Kumlien --- net/core/flow_dissector.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index c6d8207ffa7e..32e4e0158846 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c

Re: [BUG] 4.9 - kernel oops when pptp connection is established and the kernel doesn't have pptp modules compiled

2017-01-01 Thread Ian Kumlien
nhoff + offset, +sizeof(_ppp_hdr), +data, hlen, _ppp_hdr); if (!ppp_hdr) goto out_bad; Will send a patch with signed off by n' all. On Sun, Jan 1, 2017 at 6:31 PM, Ian Kumlien

Re: [BUG] 4.9 - kernel oops when pptp connection is established and the kernel doesn't have pptp modules compiled

2017-01-01 Thread Ian Kumlien
On Fri, Dec 30, 2016 at 11:48 PM, Ian Kumlien wrote: > Hi, > > Been fighting with "crash" to get it to help me to analyze my crash > dumps... This is the output from vmcore-dmesg. > > This is 100% reproducible... > > Config that lets the connec

[BUG] 4.9 - kernel oops when pptp connection is established and the kernel doesn't have pptp modules compiled

2016-12-30 Thread Ian Kumlien
Hi, Been fighting with "crash" to get it to help me to analyze my crash dumps... This is the output from vmcore-dmesg. This is 100% reproducible... Config that lets the connection trough but crashes the kernel: # CONFIG_NF_CONNTRACK_PPTP is not set # CONFIG_NF_NAT_PPTP is not set CONFIG_PPTP=y

Re: [BUG][4.5-rc5] rcu_shed self-detected stall on CPU - directly after network goes online.

2016-02-24 Thread Ian Kumlien
On 22 February 2016 at 01:38, Ian Kumlien wrote: > Hi, > > When i tried to upgrade my, soon to be, firewall to 4.5-rc5 to do some > testing - it deadlocked almost instantly. After bisect, the offending patch seems to be: b16c29191dc89bd877af99a7b04ce4866728a3e0 It looks like some

[BUG][4.5-rc5] rcu_shed self-detected stall on CPU - directly after network goes online.

2016-02-21 Thread Ian Kumlien
Hi, When i tried to upgrade my, soon to be, firewall to 4.5-rc5 to do some testing - it deadlocked almost instantly. In the photo, i started writing "root" and it keeps repeating it, like it's in a while loop. https://goo.gl/photos/yGhNSogJjeb2VJyu5 Trying to get better information - as in any

Re: [BUG] linux 4.3 - intel graphics card driver keeps oopsing

2015-11-04 Thread Ian Kumlien
After a few hours the machine started to spontaneously reboot. It's back to running 4.2.5 - which works fine. (I don't know if these messages are actually reaching lkml since it's not showing up in the index on marc.info) On 4 November 2015 at 10:24, Ian Kumlien wrote: > Hi,

[BUG] linux 4.3 - intel graphics card driver keeps oopsing

2015-11-04 Thread Ian Kumlien
Hi, This happened when i booted linux 4.3 on a old intel machine. Please note, it's named before "twilight" was known and it's name is inspired by "twilight zone" since it's actually a firewall ;) PID USER PR NIVIRTRESSHR S %CPU %MEM TIME+ COMMAND 1666 root 20 0

[igb] AER timeout - resend.

2015-02-23 Thread Ian Kumlien
Sending this to both netdev and kernel since i don't know if it's the driver or the pcie AER that does something odd - the machine was stable before 3.19 and PCIE AER. Everything started out like i first sent to linux nics () intel: -- And today i had some issues and wondered why things was b

Re: 3.18-rc regression: drm/nouveau: use shared fences for readable objects

2014-11-28 Thread Ian Kumlien
Hi, Sorry to but in like this but I'm suffering from the same kind of deadlocks with nouveau... The really odd thing is that i could boot some -rc6+ kernel without problems but it hung while playing video and then it refused to start properly again. Anyway, to quote Maarten: Ok that most likely

[Q] threading and scope_process

2014-08-29 Thread Ian Kumlien
Hi, I have to admit that this is perhaps not the best time to write this, late in the evening after work but... =) A friend of mine recently started to develop things on Linux and got a bit confused since Linux lacks PTHREAD_SCOPE_PROCESS which just about all other OS:es seems to implement. (Ok,

Re: [Intel-gfx] [BUG?] 3.16-rc6 ... at drivers/gpu/drm/i915/intel_pm.c:5997 intel_display_power_put+0x12d/0x160()

2014-08-01 Thread Ian Kumlien
On Fri, Aug 1, 2014 at 3:16 PM, Imre Deak wrote: [--8<--] > Ok, I see the trace of suspend/resume now, but the bug has vanished.. I > can't see the WARN backtrace in your original report, nor the debug > message from the above fix, that would indicate that it had fixed > anything ("VDD left on b

Re: [Intel-gfx] [BUG?] 3.16-rc6 ... at drivers/gpu/drm/i915/intel_pm.c:5997 intel_display_power_put+0x12d/0x160()

2014-07-25 Thread Ian Kumlien
On fre, 2014-07-25 at 12:28 +0300, Imre Deak wrote: > On Thu, 2014-07-24 at 01:33 +0200, Ian Kumlien wrote: > > Try four, now including CC lists for the intel driver... > > Could you give a try to the 2 patches at: > https://patchwork.kernel.org/patch/4437061/ > > If t

[BUG?] 3.16-rc6 ... at drivers/gpu/drm/i915/intel_pm.c:5997 intel_display_power_put+0x12d/0x160()

2014-07-23 Thread Ian Kumlien
dicated that there might be two more missing...) commit 423d01e192504764d5cb59effe5da68b035a0d41 Author: Ian Kumlien Date: Tue Jul 22 21:10:50 2014 +0200 Add intel_display_power_get before _put When closing the lid when using 3.16-rc6 on my laptop i got three &qu

[BUG?] 3.16-rc6 ... at drivers/gpu/drm/i915/intel_pm.c:5997 intel_display_power_put+0x12d/0x160()

2014-07-22 Thread Ian Kumlien
sing...) commit 423d01e192504764d5cb59effe5da68b035a0d41 Author: Ian Kumlien Date: Tue Jul 22 21:10:50 2014 +0200 Add intel_display_power_get before _put When closing the lid when using 3.16-rc6 on my laptop i got three "WARN_ON" back traces. Example: [ 9064

[BUG?] 3.16-rc6 ... at drivers/gpu/drm/i915/intel_pm.c:5997 intel_display_power_put+0x12d/0x160()

2014-07-22 Thread Ian Kumlien
ssing...) commit 423d01e192504764d5cb59effe5da68b035a0d41 Author: Ian Kumlien Date: Tue Jul 22 21:10:50 2014 +0200 Add intel_display_power_get before _put When closing the lid when using 3.16-rc6 on my laptop i got three "WARN_ON" back traces. Example: [ 9064.008821] WARNING: CPU:

Re: [RFC] 3.16-rc6 -- fs/direct-io.c:1011 from and to uninitialized.

2014-07-22 Thread Ian Kumlien
On tis, 2014-07-22 at 12:20 -0700, Randy Dunlap wrote: > On 07/22/2014 12:03 PM, Ian Kumlien wrote: > > This is a resend, try two... > > > > And while the fix is simple, something along the lines of: > > diff --git a/fs/direct-io.c b/fs/direct-io.c > > index 980

Re: [RFC] 3.16-rc6 -- fs/direct-io.c:1011 from and to uninitialized.

2014-07-22 Thread Ian Kumlien
On tis, 2014-07-22 at 21:12 +0200, Richard Weinberger wrote: > On Tue, Jul 22, 2014 at 9:03 PM, Ian Kumlien wrote: > > This is a resend, try two... > > Please see "[PATCH v3] direct-io: fix uninitialized warning in > do_direct_IO()". That looks like a better approac

[RFC] 3.16-rc6 -- fs/direct-io.c:1011 from and to uninitialized.

2014-07-22 Thread Ian Kumlien
to); if (IS_ERR(page)) { ret = PTR_ERR(page); --- I however don't know if it's in the correct C standard, it compiles fine though... (or if this is more gcc speific) commit f94d05ce10d869c418d3271bd028fc33bfd25e6f Author: Ian Kumlien Date:

Re: [BUG] at drivers/md/raid5.c:291! kernel 3.13-rc8

2014-01-22 Thread Ian Kumlien
On ons, 2014-01-22 at 11:52 +1100, NeilBrown wrote: > On Mon, 20 Jan 2014 19:27:18 +0100 Ian Kumlien wrote: > > I have been unable to trip this up, so this was it! > > > > Tested-by: Ian Kumlien > > > > I hope this hits stable ASAP ;) > > I've

Re: [BUG] at drivers/md/raid5.c:291! kernel 3.13-rc8

2014-01-20 Thread Ian Kumlien
. > > The important aspect of the patch is that it moves the "atomic_inc" of > "sh->count" back under the protection of ->device_lock in the case when some > other thread might be using the same 'sh'. I have been unable to trip this up, so this

Re: [BUG] at drivers/md/raid5.c:291! kernel 3.13-rc8

2014-01-20 Thread Ian Kumlien
On mån, 2014-01-20 at 14:37 +1100, NeilBrown wrote: > On Mon, 20 Jan 2014 01:49:17 +0100 Ian Kumlien wrote: > > > On mån, 2014-01-20 at 11:38 +1100, NeilBrown wrote: > > > On Sun, 19 Jan 2014 23:00:23 +0100 Ian Kumlien > > > wrote: > > > > >

Re: [BUG] at drivers/md/raid5.c:291! kernel 3.13-rc8

2014-01-19 Thread Ian Kumlien
On mån, 2014-01-20 at 11:38 +1100, NeilBrown wrote: > On Sun, 19 Jan 2014 23:00:23 +0100 Ian Kumlien wrote: > > > Ok, so third try to actually email this... > > --- > > > > Hi, > > > > I started testing 3.13-rc8 on another machine since t

[BUG] at drivers/md/raid5.c:291! kernel 3.13-rc8

2014-01-19 Thread Ian Kumlien
Ok, so third try to actually email this... --- Hi, I started testing 3.13-rc8 on another machine since the first one seemed to be working fine... One spontaneous reboot later i'm not so sure ;) Right now i captured a kernel oops in the raid code it seems... (Also attached to avoid mangling)

Re: [OOPS][3.12] BUG: unable to handle kernel NULL pointer dereference at 0000000c

2013-11-15 Thread Ian Kumlien
On Fri, Nov 15, 2013 at 05:44:26PM -0500, David Miller wrote: > From: Bjorn Helgaas > Date: Fri, 15 Nov 2013 15:29:53 -0700 > > > [+cc David, Eric, Alex, netdev] > > > > Alex reported a similar issue at > > http://marc.info/?l=linux-netdev&m=138355719901790&w=4 > > Fixed by: > > commit 84502b5

[OOPS][3.12] BUG: unable to handle kernel NULL pointer dereference at 0000000c

2013-11-15 Thread Ian Kumlien
Hi, After a lot of wondering i finally tracked down the bug that was hitting me since 3.12-rc7. Since this is a firewall I haven't actually noticed it all the time. But when i saw that it rebooted too often, i enabled netconsole and this is the output: BUG: unable to handle kernel NULL pointer d

atl1c: networking bug - increasing counters with no data.

2013-01-25 Thread Ian Kumlien
Hi all, I have a atl1c networking card in my laptop - it's not connected since i use wifi instead. After a while of uptime it seems like it goes haywire, tools are currently reporting data transfers of ~9GB/s ifconfig eth0 eth0: flags=4099 mtu 1500 ether 48:5b:39:5e:b0:4b txqueuelen 1

Re: [BUG] NULL pointer dereference in 3.7-rc7 (syscall_trace_enter)

2012-11-29 Thread Ian Kumlien
On tor, 2012-11-29 at 20:25 +0100, Borislav Petkov wrote: > On Thu, Nov 29, 2012 at 05:24:03PM +0100, Ian Kumlien wrote: > > > Can you do: > > > > > > make arch/x86/kernel/ptrace.lst > > > > > > and send me that file, privately is fine to

Re: [BUG] NULL pointer dereference in 3.7-rc7 (syscall_trace_enter)

2012-11-29 Thread Ian Kumlien
On Thu, Nov 29, 2012 at 03:22:20PM +0100, Borislav Petkov wrote: > On Thu, Nov 29, 2012 at 01:27:08PM +0100, Ian Kumlien wrote: > > I think that chrome does traceing all the time as a part of it's > > sandbox - this is most likely chrome monitoring flash... > > Ah, ok

Re: [BUG] NULL pointer dereference in 3.7-rc7 (syscall_trace_enter)

2012-11-29 Thread Ian Kumlien
On Thu, Nov 29, 2012 at 10:26:21AM +0100, Borislav Petkov wrote: > On Thu, Nov 29, 2012 at 12:20:02AM +0100, Ian Kumlien wrote: > > Hi, > > > > Due to unexplained dns problems, I'll be using google plus to post the > > photo of the bug output. > &g

[BUG] NULL pointer dereference in 3.7-rc7 (syscall_trace_enter)

2012-11-28 Thread Ian Kumlien
someone who has these things handled ;) -- Ian Kumlien -- http://demius.net || http://pomac.netswarm.net signature.asc Description: This is a digitally signed message part

[SKY2] Problems (2.6.24-rc3-git1)

2007-11-27 Thread Ian Kumlien
From lkml: On Tue, 27 Nov 2007 23:40:22 +0100 Ian Kumlien <[EMAIL PROTECTED]> wrote: > [Repost, no reply has been recived] > > Hi, > > A little while ago, something went horribly wrong. > > I could still use my mouse and the desktop was still alive more or > less.

[SKY2] Problems (2.6.24-rc3-git1)

2007-11-27 Thread Ian Kumlien
: transmit ring 442 .. 461 report=442 done=442 NETDEV WATCHDOG: eth0: transmit timed out sky2 eth0: tx timeout sky2 eth0: transmit ring 442 .. 461 report=442 done=442 And it continues until i press the reset button. -- Ian Kumlien -- http://pomac.netswarm.net signature.asc Description: This is

Re: Small System Paging Problem - OOM-killer goes nuts

2007-11-26 Thread Ian Kumlien
Hi, I have some similar problems on a completely unrelated system, but i still wonder. When you untar, which filesystem do you untar too? -- Ian Kumlien -- http://pomac.netswarm.net signature.asc Description: This is a digitally signed message part

Re: [BUG?] OOM with large cache....(x86_64, 2.6.24-rc3-git1, nohz)

2007-11-20 Thread Ian Kumlien
On tis, 2007-11-20 at 15:13 +1100, Nick Piggin wrote: > On Tuesday 20 November 2007 11:59, Ian Kumlien wrote: > > Hi, > > > > I have had this before and sent a mail about it. > > > > It seems like the diskcache is still in use and is never shrunk. This &g

[BUG?] OOM with large cache....(x86_64, 2.6.24-rc3-git1, nohz)

2007-11-19 Thread Ian Kumlien
524208 pages of RAM 10149 reserved pages 5189 pages shared 8 pages swap cached Out of memory: kill process 8352 (gnome-session) score 361583 or a child Killed process 8399 (metacity) -- Ian Kumlien -- http://pomac.netswarm.net signature.asc Description: This is a digitally signed message part

Re: [PATCH] sky2: jumbo frame regression fix

2007-10-03 Thread Ian Kumlien
On ons, 2007-10-03 at 14:04 -0400, Bill Davidsen wrote: > Ian Kumlien wrote: > > On tis, 2007-10-02 at 18:02 -0700, Stephen Hemminger wrote: > >> Remove unneeded check that caused problems with jumbo frame sizes. > >> The check was recently added and is wrong. > >&

Re: [PATCH] sky2: jumbo frame regression fix

2007-10-03 Thread Ian Kumlien
On tis, 2007-10-02 at 21:59 -0700, Stephen Hemminger wrote: > On Wed, 03 Oct 2007 03:34:34 +0200 > Ian Kumlien <[EMAIL PROTECTED]> wrote: > > > On tis, 2007-10-02 at 18:02 -0700, Stephen Hemminger wrote: > > > Remove unneeded check that caused problems with jumbo fr

Re: [PATCH] sky2: jumbo frame regression fix

2007-10-02 Thread Ian Kumlien
orking. Now running with 9k mtu with no errors, =) It also seems that the FIFO bug was the one that affected me before, damn odd race that one. > Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]> Tested-by: Ian Kumlien <[EMAIL PROTECTED]> (if that tag exists now) Btw, Sorry b

[BUG] sky2 errors in 2.6.23-rc9-git1

2007-10-02 Thread Ian Kumlien
now when jumbo frames work again, just mail me patches =) (to tired to look in to it closer atm) -- Ian Kumlien -- http://pomac.netswarm.net signature.asc Description: This is a digitally signed message part

Re: Cache not being reclaimed?

2007-09-05 Thread Ian Kumlien
On ons, 2007-09-05 at 05:45 -0700, Andrew Morton wrote: > > On Wed, 05 Sep 2007 03:28:07 +0200 Ian Kumlien <[EMAIL PROTECTED]> wrote: > > Hi, > > > > I have just had a quite unexpected 'low memory situation'... > > > > This is a AMD6

Cache not being reclaimed?

2007-09-04 Thread Ian Kumlien
wa 0 1 393904 16108 13788 158337221 2296798 4 2 92 2 -- Ian Kumlien -- http://pomac.netswarm.net signature.asc Description: This is a digitally signed message part

Re: [BUG] AS io-scheduler.

2007-07-16 Thread Ian Kumlien
On mån, 2007-07-16 at 21:56 +0200, Jens Axboe wrote: > On Mon, Jul 16 2007, Ian Kumlien wrote: > > On mån, 2007-07-16 at 19:29 +0200, Jens Axboe wrote: > > > On Mon, Jul 16 2007, Chuck Ebbert wrote: > > > > On 07/15/2007 11:20 AM, Ian Kumlien wrote: > > >

Re: [BUG] AS io-scheduler.

2007-07-16 Thread Ian Kumlien
On mån, 2007-07-16 at 19:29 +0200, Jens Axboe wrote: > On Mon, Jul 16 2007, Chuck Ebbert wrote: > > On 07/15/2007 11:20 AM, Ian Kumlien wrote: > > > I had emerge --sync failing several times... > > > > > > So i checked dmesg and found some info, attached furt

Re: [BUG] AS io-scheduler.

2007-07-15 Thread Ian Kumlien
rker_thread+0xb2/0xc0 [] autoremove_wake_function+0x0/0x40 [] kthread+0x38/0x60 [] kthread+0x0/0x60 [] kernel_thread_helper+0x7/0x10 =========== -- Ian Kumlien -- http://pomac.netswarm.net signature.asc Description: This is a digitally signed message part

[BUG] AS io-scheduler.

2007-07-14 Thread Ian Kumlien
k_start_queueing+0x11/0x20 [] as_work_handler+0xf/0x20 [] run_workqueue+0x6b/0xe0 [] worker_thread+0x0/0xc0 [] worker_thread+0xb2/0xc0 [] autoremove_wake_function+0x0/0x40 [] kthread+0x38/0x60 [] kthread+0x0/0x60 [] kernel_thread_helper+0x7/0x10 ======= -- Ian

[BUG] Sky2 driver in 2.6.22-rc5-git1-cfs-v17

2007-06-21 Thread Ian Kumlien
t=413 done=413 sky2 eth0: transmit ring 320 .. 279 report=320 done=320 Else, they are all off by 41. Is this a known bug? Comments? ideas? Offload parameters for eth0: rx-checksumming: on tx-checksumming: on scatter-gather: on tcp segmentation offload: on udp fragmentation offload: off -- Ian Ku

Re: [BUG] Something goes wrong with timer statistics.

2007-05-31 Thread Ian Kumlien
table when the entries array is > cleared, so that we don't have "pre-inserted" entries. > > Thanks to Eric Dumazet for reminding me of the memory barriers. Fix the comment below and you can add: Signed-off-by: Ian Kumlien <[EMAIL PROTECTED]> It's currently been running

Re: [BUG] Something goes wrong with timer statistics.

2007-05-29 Thread Ian Kumlien
On tis, 2007-05-29 at 16:03 -0700, David Miller wrote: > From: Ian Kumlien <[EMAIL PROTECTED]> > Date: Wed, 30 May 2007 00:51:52 +0200 > > > On tis, 2007-05-29 at 15:44 -0700, David Miller wrote: > > > From: "Michal Piotrowski" <[EMAIL PROTECTED]&g

Re: [BUG] Something goes wrong with timer statistics.

2007-05-29 Thread Ian Kumlien
On tis, 2007-05-29 at 15:44 -0700, David Miller wrote: > From: "Michal Piotrowski" <[EMAIL PROTECTED]> > Date: Wed, 30 May 2007 00:41:46 +0200 > > > On 30/05/07, David Miller <[EMAIL PROTECTED]> wrote: > > > From: Ian Kumlien <[EMAIL PROTEC

Re: [BUG] Something goes wrong with timer statistics.

2007-05-29 Thread Ian Kumlien
On ons, 2007-05-30 at 00:38 +0200, Thomas Gleixner wrote: > On Wed, 2007-05-30 at 00:24 +0200, Michal Piotrowski wrote: > > Hi Ian, > > > > (Thomas "The Wizard of Time" added to CC :)) > > Added more wizards :) > > > On 29/05/07, Ian Kumlien <[

Re: [BUG] Something goes wrong with timer statistics.

2007-05-29 Thread Ian Kumlien
On ons, 2007-05-30 at 00:24 +0200, Michal Piotrowski wrote: > Hi Ian, > > (Thomas "The Wizard of Time" added to CC :)) > > On 29/05/07, Ian Kumlien <[EMAIL PROTECTED]> wrote: > > Hi, > > > > As the daystar sets, i try to play some with my new wou

[BUG] Something goes wrong with timer statistics.

2007-05-29 Thread Ian Kumlien
this happens: http://pomac.netswarm.net/pics/kernel_panic.jpg If i don't run powertop, it is rock solid... Compiling for hours, running memtest for hours etc etc... -- Ian Kumlien -- http://pomac.netswarm.net - To unsubscribe from this list: send the line "unsubscribe linux-kernel&qu

Re: SATA exceptions with 2.6.20-rc5

2007-01-24 Thread Ian Kumlien
ren't there before... (It does fix the timeout problem) -- Ian Kumlien -- http://pomac.netswarm.net signature.asc Description: This is a digitally signed message part

Re: SATA exceptions with 2.6.20-rc5

2007-01-20 Thread Ian Kumlien
On lör, 2007-01-20 at 21:43 +, Alistair John Strachan wrote: > On Saturday 20 January 2007 19:59, Robert Hancock wrote: > > Ian Kumlien wrote: > > > Hi, > > > > > > I went from 2.6.19+sata_nv-adma-ncq-v7.patch, with no problems and adama > > > e

Re: SATA exceptions with 2.6.20-rc5

2007-01-20 Thread Ian Kumlien
Hi, I went from 2.6.19+sata_nv-adma-ncq-v7.patch, with no problems and adama enabled, to 2.6.20-rc5, which gave me problems almost instantly. I just thought that it might be interesting to know that it DID work nicely. CC since i'm not on the ml -- Ian Kumlien -- http://pomac.netswar

[OOPS] ANSI/IEEE 802.2 LLC type 2 Support

2005-08-27 Thread Ian Kumlien
tswarm.net/misc/kernel-panic.jpg PS. I could recreate the oops severaltimes until i put eth1 down, but i haven't been able to since then (switched to rc7 without the LLC option). DS. -- Ian Kumlien -- http://pomac.netswarm.net signature.asc Description: This is a digitally signed message part

Re: [RFC] [PATCH] cache pollution aware __copy_from_user_ll()

2005-08-15 Thread Ian Kumlien
On Mon, 2005-08-15 at 09:21 +0200, Arjan van de Ven wrote: > On Sun, 2005-08-14 at 23:24 +0200, Ian Kumlien wrote: > > Hi, all > > > > I might be missunderstanding things but... > > > > First of all, machines with long pipelines will suffer from

Re: [RFC] [PATCH] cache pollution aware __copy_from_user_ll()

2005-08-14 Thread Ian Kumlien
ere some way to do the same test for the same time and measure the differences in allround data? to see if we really are punished as bad on accessing the data post copy? (could it be size dependant?) -- Ian Kumlien -- http://pomac.netswarm.net signature.asc Description: This is a digitally signed message part