[CentOS] Null deference panic in CentOS-6.5

2017-10-18 Thread wuzhouhui
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

Re: [CentOS] Null deference panic in CentOS-6.5

2017-10-18 Thread wuzhouhui
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 ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailma

Re: [CentOS] Null deference panic in CentOS-6.5

2017-10-18 Thread wuzhouhui
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

Re: [CentOS] soft lockup after set multicast_router of bridge and it's port to 2

2018-01-10 Thread wuzhouhui
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>

[CentOS] soft lockup after set multicast_router of bridge and it's port to 2

2018-01-09 Thread wuzhouhui
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

Re: [CentOS] Adjust type of rw in submit_bio from int to unsigned long

2018-02-08 Thread wuzhouhui
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

[CentOS] Adjust type of rw in submit_bio from int to unsigned long

2018-02-06 Thread wuzhouhui
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

[CentOS] Network broke for a while when libvirtd start

2018-02-23 Thread wuzhouhui
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

Re: [CentOS] Network broke for a while when libvirtd start

2018-02-24 Thread wuzhouhui
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:

[CentOS] How to update modules in iniramfs fastly

2018-02-25 Thread wuzhouhui
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! ___ CentOS mailing list CentOS@centos.org

Re: [CentOS] How to update modules in iniramfs fastly

2018-02-25 Thread wuzhouhui
> -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 >

Re: [CentOS] How to update modules in iniramfs fastly

2018-02-26 Thread wuzhouhui
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.

[CentOS] Can't see register value in crash vmcore

2017-12-27 Thread wuzhouhui
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:

[CentOS] CentOS 7.4 paniced when running LTP tests

2018-04-17 Thread wuzhouhui
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:

Re: [CentOS] How to update modules in iniramfs fastly

2018-02-26 Thread wuzhouhui
> -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

[CentOS] Fw: Re: [SPDK] VM boot failed sometimes if using vhost-user-blk with spdk

2018-10-30 Thread wuzhouhui
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

Re: [CentOS] where to download kernel-3.10.0-693.17.6.el7 and kernel-devel-3.10.0-693.17.6.el7

2018-11-10 Thread wuzhouhui
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

[CentOS] centos 7.5 crashed, kernel BUG at net/core/skbuff.c:3668!

2018-11-12 Thread wuzhouhui
... [ 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

[CentOS] Where is centos6.x kernel git repo

2018-11-15 Thread wuzhouhui
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 ___ CentOS mailing list