On 2017-04-03 15:09, Eric Dumazet wrote:
On Mon, 2017-04-03 at 11:10 +0300, Denys Fedoryshchenko wrote:
I modified patch a little as:
if (th->doff * 4 < sizeof(_tcph)) {
par->hotdrop = true;
WARN_ON_ONCE(!tcpinfo->option);
return false;
}
And it did triggered WARN once at
On 2017-04-02 20:26, Eric Dumazet wrote:
On Sun, 2017-04-02 at 10:14 -0700, Eric Dumazet wrote:
Could that be that netfilter does not abort earlier if TCP header is
completely wrong ?
Yes, I wonder if this patch would be better, unless we replicate the
th->doff sanity check in all netfilter
On 2017-04-02 15:32, Eric Dumazet wrote:
On Sun, 2017-04-02 at 15:25 +0300, Denys Fedoryshchenko wrote:
> */
I will add also WARN_ON_ONCE(tcp_hdrlen >= 15 * 4) before, for
curiosity, if this condition are triggered. Is it fine like that?
Sure.
It didnt triggered WARN_ON, and wit
On 2017-04-02 15:19, Eric Dumazet wrote:
On Sun, 2017-04-02 at 04:54 -0700, Eric Dumazet wrote:
On Sun, 2017-04-02 at 13:45 +0200, Florian Westphal wrote:
> Eric Dumazet wrote:
> > - for (i = sizeof(struct tcphdr); i <= tcp_hdrlen - TCPOLEN_MSS; i +=
optlen(opt, i)) {
> > + for (i = si
On 2017-04-02 14:45, Florian Westphal wrote:
Eric Dumazet wrote:
- for (i = sizeof(struct tcphdr); i <= tcp_hdrlen - TCPOLEN_MSS; i +=
optlen(opt, i)) {
+ for (i = sizeof(struct tcphdr); i < tcp_hdrlen - TCPOLEN_MSS; i +=
optlen(opt, i)) {
if (opt[i] == TCPOPT_MSS && opt[i+1]
Repost, due being sleepy missed few important points.
I am searching reasons of crashes for multiple conntrack enabled
servers, usually they point to conntrack, but i suspect use after free
might be somewhere else,
so i tried to enable KASAN.
And seems i got something after few hours, and it l
I am not sure if it is same issue, but panics still happen, but much
less. Same server, nat.
I will upgrade to latest 4.10.x build, because for this one i dont have
files anymore (for symbols and etc).
[864288.511464] Modules linked in: nf_conntrack_netlink nf_nat_pptp
nf_nat_proto_gre xt_TCP
On 2017-02-18 09:42, Jon Masters wrote:
Hi Denys,
On 02/10/2017 03:14 AM, Denys Fedoryshchenko wrote:
After years of using kexec and recent unpleasant experience with
modern (supposed to be blazing fast to boot) hardware that need 5-10
minutes just to pass POST tests,
one question came up
Hello,
I noticed that sample of livepatch is not working in 4.9.9, because in
include,
linux/livepatch.h
it is:
#if IS_ENABLED(CONFIG_LIVEPATCH)
while config option is:
CONFIG_HAVE_LIVEPATCH=y
After editing livepatch.h sample module compiles fine
Probably that's just a typo?
Hello,
After years of using kexec and recent unpleasant experience with modern
(supposed to be blazing fast to boot) hardware that need 5-10 minutes
just to pass POST tests,
one question came up to me:
Is it possible anyhow to execute regular (not special "panic" one to
capture crash data) ke
On 2017-01-11 19:22, Guillaume Nault wrote:
Cc: netfilter-de...@vger.kernel.org, I'm afraid I'll need some help
for this case.
On Sat, Dec 17, 2016 at 09:48:13PM +0200, Denys Fedoryshchenko wrote:
Hi,
I posted recently several netfilter related crashes, didn't got any
answer
Hi,
I posted recently several netfilter related crashes, didn't got any
answers, one of them started to happen quite often on loaded NAT
(17Gbps),
so after trying endless ways to make it stable, i found out that in
backtrace i can often see timers, and this bug probably appearing on
older rel
Hi,
Just attempted to upgrade from 4.8.10 to 4.9.10 with minimal kernel
changes (oldconfig, but then attempted to add few options to solve
problem (such as adding NR_CPUS and PCI options, didnt helped).
My filesystem are residing on USB drive, and USB where flash are located
is not working, so
at least one more person with similar conntrack crashes on latest
kernels.
On 2015-11-04 06:46, Eric Dumazet wrote:
On Wed, 2015-11-04 at 06:25 +0200, Denys Fedoryshchenko wrote:
On 2015-11-04 00:06, Cong Wang wrote:
> On Mon, Nov 2, 2015 at 6:11 AM, Denys Fedoryshchenko
> wrote:
On 2015-11-04 06:58, Eric Dumazet wrote:
On Tue, 2015-11-03 at 20:46 -0800, Eric Dumazet wrote:
On Wed, 2015-11-04 at 06:25 +0200, Denys Fedoryshchenko wrote:
> On 2015-11-04 00:06, Cong Wang wrote:
> > On Mon, Nov 2, 2015 at 6:11 AM, Denys Fedoryshchenko
> > wrote:
> >>
On 2015-11-04 00:06, Cong Wang wrote:
On Mon, Nov 2, 2015 at 6:11 AM, Denys Fedoryshchenko
wrote:
Hi!
Actually seems i was getting this panic for a while (once per week) on
loaded pppoe server, but just now was able to get full panic message.
After checking commit logs on sch_fq.c i didnt
On 2015-11-02 18:12, Eric Dumazet wrote:
On Mon, 2015-11-02 at 17:58 +0200, Denys Fedoryshchenko wrote:
On 2015-11-02 17:24, Eric Dumazet wrote:
> On Mon, 2015-11-02 at 16:11 +0200, Denys Fedoryshchenko wrote:
>> Hi!
>>
>> Actually seems i was getting this panic for a whi
On 2015-11-02 17:24, Eric Dumazet wrote:
On Mon, 2015-11-02 at 16:11 +0200, Denys Fedoryshchenko wrote:
Hi!
Actually seems i was getting this panic for a while (once per week) on
loaded pppoe server, but just now was able to get full panic message.
After checking commit logs on sch_fq.c i
Hi!
Actually seems i was getting this panic for a while (once per week) on
loaded pppoe server, but just now was able to get full panic message.
After checking commit logs on sch_fq.c i didnt seen any fixes, so
probably upgrading to newer kernel wont help?
[237470.633382] general protection
Hi
On 2013-11-12 23:46, Jan Kara wrote:
Hello,
On Tue 12-11-13 16:34:07, Denys Fedoryshchenko wrote:
I just did some fault testing for test nbd setup, and found that if
i reboot nbd server i will get immediately BUG() message on nbd
client and filesystem that i cannot unmount, and any
Hi
I just did some fault testing for test nbd setup, and found that if i
reboot nbd server i will get immediately BUG() message on nbd client and
filesystem that i cannot unmount, and any operations on it will freeze
and lock processes trying to access it.
Kernel 3.12, x86_64
Please let me
On 2013-02-21 01:21, Stephen Hemminger wrote:
On Tue, 19 Feb 2013 23:45:25 +0200
Denys Fedoryshchenko wrote:
Hi
I tried recently to write my own tool based on amazing libmnl (which
makes understanding of netlink - easy), written
by Pablo Neira Ayuso, to manage QoS in Linux and faced problem
ng recursive fault
but reboot is needed!
---
Denys Fedoryshchenko, Network Engineer, Virtual ISP S.A.L.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo
M] ACPI backlight interface available,
not registering our own
---
Denys Fedoryshchenko, Network Engineer, Virtual ISP S.A.L.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.
0x12/0x14
[ 7575.810373] [] cpuidle_enter_state+0x10/0x39
[ 7575.810840] [] cpuidle_idle_call+0x7e/0xa4
[ 7575.811306] [] cpu_idle+0x58/0xa2
[ 7575.811770] [] start_secondary+0x188/0x18d
---
Denys Fedoryshchenko, Network Engineer, Virtual ISP S.A.L.
--
To unsubscribe from this list: send the
el_rules.txt?
>
Will do. Thank you for bringing this to our attention.
Thanks for submitting the patch to stable, Greg has queued it for the
kernels he maintains. Denys, expect to see this fix in 3.6.8.
Thank you!
---
Denys Fedoryshchenko, Network Engineer, Virtual ISP S.A.L.
--
To unsubscr
On 2012-11-13 21:41, Dave, Tushar N wrote:
-Original Message-
From: netdev-ow...@vger.kernel.org
[mailto:netdev-ow...@vger.kernel.org]
On Behalf Of Denys Fedoryshchenko
Sent: Tuesday, November 13, 2012 5:59 AM
To: Kirsher, Jeffrey T; Brandeburg, Jesse; Allan, Bruce W; Wyborny,
Carolyn
2] [] path_openat+0x99/0x2c3
[4.361974] [] do_filp_open+0x26/0x67
[4.361977] [] ? alloc_fd+0xb7/0xc2
[4.361979] [] do_sys_open+0x5b/0xe6
[4.361980] [] sys_open+0x26/0x2c
[4.361981] [] syscall_call+0x7/0xb
---
Denys Fedoryshchenko, Network Engineer, Virtual ISP S.A.L.
--
To
Fri, 15 Feb 2008 16:24:56 +0100, Bart Van Assche wrote
> 2008/2/15 Denys Fedoryshchenko <[EMAIL PROTECTED]>:
> > I have random crashes, at least once per week. It is very difficult to
catch
> > error message, and only recently i setup netconsole. Now i got crash, but
>
de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm
constant_tsc pebs bts sync_rdtsc pni monitor ds_cpl vmx cid cx16 xtpr lahf_lm
bogomips: 6383.76
clflush size: 64
--
Denys Fedoryshchenko
Technical Manager
Virtual ISP
i will be able to find whats wrong there.
On Fri, 1 Feb 2008 15:39:08 -0500, Len Brown wrote
> On Friday 01 February 2008 14:15, Denys Fedoryshchenko wrote:
> >
> > On Fri, 1 Feb 2008 12:11:41 -0500, Len Brown wrote
> > >
> > > What do you see if you build with CONFIG
2008 14:15, Denys Fedoryshchenko wrote:
> >
> > On Fri, 1 Feb 2008 12:11:41 -0500, Len Brown wrote
> > >
> > > What do you see if you build with CONFIG_HIGH_RES_TIMERS=n
> > >
> > > Does it work better if you boot with "acpi=off"?
Maybe just registers addresses or way how TCO watchdog activated changed on
this chipset?
--
Denys Fedoryshchenko
Technical Manager
Virtual ISP S.A.L.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More ma
12380.068978] Kernel panic - not syncing: Fatal
exception in interrupt
--
Denys Fedoryshchenko
Technical Manager
Virtual ISP S.A.L.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http:/
No, i am using vanilla kernel. It is one of production machines, and as i
know screen is not using epoll.
I will try to apply on all my production machines this patch. Sorry if it is
related.
On Mon, 21 Jan 2008 23:45:40 +0100, Stefan Richter wrote
> Denys Fedoryshchenko wrote:
> &
esp+0x5f/0xa5
[625138.255376] =======
--
Denys Fedoryshchenko
Technical Manager
Virtual ISP S.A.L.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-
9188] io scheduler cfq registered (default)
[ 24.289542] Boot video device is :01:00.0
[ 24.289613] PCI: Setting latency timer of device :00:01.0 to 64
On Tue, 15 Jan 2008 12:39:47 +0100, Ingo Molnar wrote
> * Denys Fedoryshchenko <[EMAIL PROTECTED]> wrote:
>
> > Hi
&
Latest, 2.6.24-rc7, and 2.6.23 is the same.
If more information required, tell me. It is btw not latest (not based on
Core2) Xeon.
On Tue, 15 Jan 2008 02:17:20 -0800, Andrew Morton wrote
> On Thu, 10 Jan 2008 14:36:12 +0200 "Denys Fedoryshchenko"
> <[EMAIL PROTECTED
Hi
Correction, it is appearing from 2.6.22, oldest kernel i found on server is
2.6.22. Older kernels i didn't try, and probably will be difficult to try.
--
Denys Fedoryshchenko
Technical Manager
Virtual ISP S.A.L.
--
To unsubscribe from this list: send the line "unsubscribe linux-
r: KD7538-IFA-INTC0S
another
Manufacturer: 0198808980C1
Serial Number: 9C2EA25B
Asset Tag: 000621
Part Number: KD7538-IFA-INTC0S
--
Denys Fedoryshchenko
Technical Manager
Virtual ISP S.A.L.
--
To unsubscribe from this list: send the line "unsubscribe linux
I cannot reproduce, it is happened with rtorrent just randomly. But i will
patch and keep watching.
On Sun, 13 Jan 2008 19:44:26 +0100, Peter Zijlstra wrote
> On Sun, 2008-01-13 at 17:22 +0100, Peter Zijlstra wrote:
> > On Sun, 2008-01-13 at 17:51 +0200, Denys Fedoryshchenko wrote:
>
1/0x96
[159859.503098] [] common_interrupt+0x2e/0x34
[159859.503288] [] mwait_idle+0x12/0x14
[159859.503476] [] cpu_idle+0x7b/0x95
[159859.503662] [] rest_init+0x49/0x4b
[159859.503844] [] start_kernel+0x2f9/0x301
[159859.504030] [<>] 0x0
[159859.504210] ======
pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm
constant_tsc pebs bts sync_rdtsc pni monitor ds_cpl vmx cid cx16 xtpr lahf_lm
bogomips: 6383.74
clflush size : 64
--
Denys Fedoryshchenko
Technical Manager
Virtual ISP S.A.L.
--
To
ecode output
http://www.nuclearcat.com/files/panic-07012008/dmidecode.txt
lspci output
http://www.nuclearcat.com/files/panic-07012008/lspci.txt
--
Denys Fedoryshchenko
Technical Manager
Virtual ISP S.A.L.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the bo
is not bug, probably good to document, that it is killing powersaving
features?
--
Denys Fedoryshchenko
Technical Manager
Virtual ISP S.A.L.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo inf
Thanks, it works like that.
Seems in libata there is no fall-back to non-DMA mode, if DMA didn't work.
On Thu, 8 Nov 2007 12:31:39 -0500, Jeff Garzik wrote
> On Thu, Nov 08, 2007 at 06:44:31PM +0200, Denys Fedoryshchenko wrote:
> > Doesn't help
> >
> > WRAP ~
] Buffer I/O error on device sda, logical block 0
[ 12.710123] ata1: EH complete
[ 12.719187] unable to read partition table
[ 12.732602] sd 0:0:0:0: [sda] Attached SCSI removable disk
On Thu, 8 Nov 2007 10:48:13 +, Alan Cox wrote
> On Thu, 8 Nov 2007 09:16:35 +0200
> &qu
Does it work as kernel parameter?
I tried libata_dma_mask=0x4 and to set 0xf or 0xff - doesn't help. How to
disable DMA in libata, if it is compiled in kernel?
On Thu, 8 Nov 2007 01:30:53 +0100, Bartlomiej Zolnierkiewicz wrote
> On Thursday 08 November 2007, Denys Fedoryshchen
tes DMA
> support, which libata tries to use but which doesn't work. It looks
> like it never tried falling back to PIO after DMA failed. Seems like
> a deficiency in the speed-down logic?
>
> --
> Robert Hancock Saskatoon, SK, Canada
> To email, remove "nospam&quo
ord wrote:
> > That cannot be correct (??). Is this with hdparm-7.7 (latest
sourceforge)
> > ??
> > Can you show us the "hdparm --Istdout" output as well, please.
>
> If this is applicable... FWIW hdparm was only recently (in past <72
> hours) upda
.. FWIW hdparm was only recently (in past <72
> hours) updated from 6.9 to 7.7 in Fedora...
>
> Jeff
--
Denys Fedoryshchenko
Technical Manager
Virtual ISP S.A.L.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAI
??
>
> That cannot be correct (??). Is this with hdparm-7.7 (latest
> sourceforge) ?? Can you show us the "hdparm --Istdout" output as
> well, please.
>
> thanks.
--
Denys Fedoryshchenko
Technical Manager
Virtual ISP S.A.L.
-
To unsubscribe from this list: send the
00
0000
000
On Thu, 08 Nov 2007 00:23:10 +0900, James Andrewartha wrote
> Denys Fedoryshchenko wrote:
> > On Tue, 6 Nov 2007 22:15:21 -0800, Andrew Morton wrote
> >>> On Thu, 1 Nov 2007 23:30:13 +0200 "Denys" <[EMAIL PROTECTED]> wrote:
> >>> Finally i got full
DRDY }
> > ata1: soft resetting link
> > ata1.00: configured for MWDMA1
> > sd 0:0:0:0: [sda] Result: hostbyte=0x00 driverbyte=0x08
> > sd 0:0:0:0: [sda] Sense Key : 0xb [current] [descriptor]
> > Descriptor sense data with sense descriptors (in hex):
> > 72
55 matches
Mail list logo
