t;
3.2 Install kernel-3.10.0-327.el7.x86_64.rpm with "rpm -i --force --nodeps"
4. Reboot
Then we'll see the system boot and running as normal. And /etc/grub.conf
updated automatically.
> -Original Messages-
> From: wuzhouhui
> Sent Time: 2019-05-07 16:05:54 (Tuesday)
Hi,
Recently, I encountered a interesting phenomenon that CentOS 6.3
running as normal even if I (my colleague, actually) installed a
kernel that build for CentOS 7.x (e.g. kernel-3.10.0-327.el7.x86_64.rpm).
I found kernel is mismatch accidentally when I using "uname -r" to
check kernel version.
> -Original Messages-
> From: "Stephen John Smoogen"
> Sent Time: 2019-04-28 21:54:13 (Sunday)
> To: "CentOS mailing list"
> Cc:
> Subject: Re: [CentOS] Who is responsible to load NIC driver when boot up
>
> On Sun, 28 Apr 2019 at 01:22
> -Original Messages-
> From: "Steven Tardy"
> Sent Time: 2019-04-28 13:02:18 (Sunday)
> To: "CentOS mailing list"
> Cc:
> Subject: Re: [CentOS] Who is responsible to load NIC driver when boot up
>
> On Sat, Apr 27, 2019 at 11:44 PM wuzhou
Hi
I have a small question about NIC driver (e.g. i40e) loading. Who is
responsible to load i40e driver? And how does he knows we should load
i40e, instead of ixgbe?
Thanks.
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> -Original Messages-
> From: wuzhouhui
> Sent Time: 2019-03-29 10:06:06 (Friday)
> To: "centos mailing list"
> Cc:
> Subject: Re: [CentOS] How to specify kernel version when restart kdump
>
> > -Original Messages-
> > From: "Gian
> On Apr 12, 2019, at 11:12 PM, Gordon Messmer wrote:
>
> On 4/12/19 7:04 AM, wuzhouhui wrote:
>> So my question is rpmbuild how to know he is building kernel module package?
>> Based on which condition?
>
>
> I believe the %kernel_module_package macro def
Hi,
When I build a mpt3sas rpm package, I found something interesting:
1. package name is prefixed with kmod- automatically
2. so many requirements are added automatically, most of them are kabi
So my question is rpmbuild how to know he is building kernel module package?
Based on which
Hi,
Sometimes, I found one of my Mellanox NIC renamed to rename6, instead
of eth1. The right names of NICs in my system should be:
eth0Mellanox NIC
eth1Mellanox NIC
eth2Intel NIC
eth3Intel NIC
eth4Intel NIC
eth5Intel NIC
eth0
> -Original Messages-
> From: "Gianluca Cecchi"
> Sent Time: 2019-03-28 16:59:19 (Thursday)
> [...]
> The command line fo CentOS 6 clearly misses the kernel version to build
> initrd file for, so the correct command should be:
>
> /sbin/mkdumprd -d -f
>
> -Original Messages-
> From: "Benjamin Hauger"
> Sent Time: 2019-03-28 01:31:40 (Thursday)
> To: wuzhouhui , centos@centos.org
> Cc:
> Subject: Re: [CentOS] How to specify kernel version when restart kdump
>
> What do you mean? Wouldn't the k
ng kernel version when start kdump service.
Thanks.
>
>
> On 3/25/19 7:19 PM, wuzhouhui wrote:
> CentOS@centos.org
> https://lists.centos.org/mailman/listinfo/centos
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Hi,
Is there a way to specify kernel version when (re)start kdump
service? Suppose I have install a new kernel and kdump will
generate kdump.img for new kernel in next boot. But I want kdump
to generate kdump.img for new kernel immediately, is it possible?
Thanks.
Hi,
I have a specific needs that requires yum do not to uninstall old
version when install new one. For example, I found that
yum install kernel
will install new kernel, and old kernel will remained. But
yum install
will uninstall old version after install new one, how to disable it?
Hi,
I cloned https://git.centos.org/r/rpms/kernel.git and found that it
only contains kernel version that CentOS released. So how do I get
the kernel version that CentOS not release officialy, e.g.
3.10.0-341.el7 and 3.10.0-383.el7 (some kernel version I found
in kernel.spec's changelog)?
Hi, I following the steps described in https://wiki.centos.org/Sources
to get centos7.x kernel repo. But I'm wondering how to get centos6.x
kernel repo. Because when checkout branch 'c6' and found that there is
nothing.
Thanks
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...
[ 176.025679] random: crng init done
[ 411.168635] netem: version 1.3
[ 456.059840] [ cut here ]
[ 456.059849] WARNING: CPU: 4 PID: 1918 at net/ipv4/tcp_output.c:1048
tcp_set_skb_tso_segs+0xeb/0x100
[ 456.059851] Modules linked in: sch_netem cirrus ttm
Who told you there is kernel-3.10.0-693.17.6.el7 available? You can't find
these two rpms in vault.centos.org means that centos.org never release
them at all.
> -Original Messages-
> From: qw
> Sent Time: 2018-11-10 15:54:25 (Saturday)
> To: centos@centos.org
> Cc:
> Subject: [CASS
Forwarded to centos mailing list
-Original Messages-
From: wuzhouhui
Sent Time: 2018-10-30 14:06:00 (Tuesday)
To: "storage performance development kit"
Cc: centos@centos.org, qemu-disc...@nongnu.org
Subject: Re: [SPDK] VM boot failed sometimes if using vhost-user-blk with spdk
LTP version: ltp-full-20180118
Kernel version: 3.10.0-693.el7.x86_64
Reproduce procedure:
1. cd ltp-full-20180118; ./configure; make && make install
2. cd /opt/ltp; ./runltp
Trace:
[ 377.516270] BUG: unable to handle kernel NULL pointer dereference at
(null)
[ 377.521746] IP:
> -Original Messages-
> From: "Leon Fauster" <leonfaus...@googlemail.com>
> Sent Time: 2018-02-26 22:20:51 (Monday)
> To: "CentOS mailing list" <centos@centos.org>
> Cc:
> Subject: Re: [CentOS] How to update modules in iniramfs fastly
quot;CentOS mailing list" <centos@centos.org>
> Cc:
> Subject: Re: [CentOS] How to update modules in iniramfs fastly
>
> On Mon, 26 Feb 2018, wuzhouhui wrote:
>
> > > -Original Messages-
> > > From: "Steven Tardy" <sjt5a...@gmail.
> -Original Messages-
> From: "Steven Tardy" <sjt5a...@gmail.com>
> Sent Time: 2018-02-26 10:48:48 (Monday)
> To: "CentOS mailing list" <centos@centos.org>
> Cc:
> Subject: Re: [CentOS] How to update modules in iniramfs fastly
>
I know dracut can update modules in initramfs, but I think it is too
slow. So I'm wondering what is the fastest way to update modules in
initramfs of CentOS 7?
Thanks!
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Never mind, I have found the reason. When libvirtd started, it will create
bridge virbr0 and then write 1 to /proc/sys/net/ipv4/ip_forward (0 in default).
Set ip_forward from 0 to 1 will cause ixgbe driver reset NIC, so the network
broke for a while.
> -Original Messages-
> From:
When start service libvirtd by
service libvirtd start
the network will broke for a while and then reconnected. Following is
/var/log/messages:
Feb 24 13:28:51 node-0 kernel: lo: Dropping TSO features since no CSUM feature.
Feb 24 13:28:51 node-0 kernel: lo: Disabled Privacy Extensions
Feb
Forward mail to centos-devel mailing list for getting more attentions!
Sorry for disturbing.
> -Original Messages-
> From: wuzhouhui <wuzhouhu...@mails.ucas.ac.cn>
> Sent Time: 2018-02-07 13:44:07 (Wednesday)
> To: centos@centos.org
> Cc: wuzhouhui14 <wuzh
Hi, I am a developer who worked on CentOS. Recently I am working on porting one
of my
block drivers from CentOS 6.x to CentOS 7.x. In newest kernel
(kernel-3.10.0-693.17.1.el7)
I found there is an issue in submit_bio()'s first argument:
void submit_bio(int rw, struct bio *bio)
The type of
Never mind, commit 1a040eaca1a2 (bridge: fix multicast router rlist endless
loop)
fixes it.
> -原始邮件-
> 发件人: wuzhouhui <wuzhouhu...@mails.ucas.ac.cn>
> 发送时间: 2018-01-10 15:19:09 (星期三)
> 收件人: centos@centos.org
> 抄送: wuzhouhui14 <wuzhouhu...@mails.ucas.ac.cn>
OS: CentOS 6.5.
After I set multicast_router of bridge and it's port to 2, like following:
echo 2 > /sys/devices/virtual/net/eth81/bridge/multicast_router
echo 2 > /sys/devices/virtual/net/bond2/brport/multicast_router
Then soft lockup occured:
Message from syslogd@node-0 at Jan 9
OS: CentOS 6.5
Crash: crash-7.1.0-6.el6.x86_64
Kdump: kexec-tools-2.0.0-273.el6.x86_64
GDB: gdb-7.2-60.el6_4.1.x86_64
/etc/kdump.conf: core_collector makedumpfile -c --message-level 1 -d 31
Kernel crashed by panic("string"), but I can't see any register in vmcore:
crash> bt
PID: 53331 TASK:
Fine, it seems that upgrade kernel is the only effective solution.
> On 18 Oct 2017, at 10:00 PM, Stephen John Smoogen <smo...@gmail.com> wrote:
>
> On 18 October 2017 at 04:50, wuzhouhui <wuzhouhu...@mails.ucas.ac.cn> wrote:
>> I googled this issue and found so m
ed, 18 Oct 2017, wuzhouhui wrote:
Does anyone have encountered same problem or advice?
Expect minimal help when running custom kernel modules on painfully old
CentOS
kernels?
jh
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Hi,
I got a panic when running CentOS-6.5:
crash> bt
PID: 106074 TASK: 8839c1e32ae0 CPU: 4 COMMAND: "flushd4[cbd-sd-"
#0 [8839c2a91900] machine_kexec at 81038fa9
#1 [8839c2a91960] crash_kexec at 810c5992
#2 [8839c2a91a30] oops_end at 81515c90
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