kernel-packages team mailing list archive

[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

Discussion of patch upstream:
https://lkml.org/lkml/2013/1/5/81

The patch was cc'd to stable, so it will make it's way into the Ubuntu
kernels through the usual stable update process.  It just needs to make
it into Linus' tree first, then down through upstream stable.

** Changed in: linux (Ubuntu)
       Status: Confirmed => Triaged

** Changed in: linux-ppc (Ubuntu)
       Status: Confirmed => Triaged

** Tags added: trusty utopic

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https://bugs.launchpad.net/bugs/1279403

Title:
  udlfd video driver hangs in iscsi booted initrd : (trusty)

Status in “linux” package in Ubuntu:
  Triaged
Status in “linux-ppc” package in Ubuntu:
  Triaged

Bug description:
  Testing saucy iscsi target  booted  on e500mc  default initrd hangs
  when tg3 driver started.

  saucy was installed to an iSCSI target using the interactive setup from:
    
     http://ports.ubuntu.com/dists/saucy/main/installer-powerpc/current/images/e500mc/netboot/vmlinux
     http://ports.ubuntu.com/dists/saucy/main/installer-powerpc/current/images/e500mc/netboot/initrd.gz

  Linux version 3.11.0-5-powerpc-e500mc 
  initrd.img-3.11.0-5-powerpc-e500mc

  Booted from flash USB to simulate a pxe boot.

  svy-boot# 
  svy-boot# mount /dev/sda1 /mnt
  svy-boot# cd /mnt/iscsi2
  svy-boot# ./go.sh
   /sbin/kexec --command='root=/dev/ram ro UUID=1cfe9f29-e188-4e00-ac47-3bf2245b117f ro break debug interface=eth4 console=tty0 console=ttyS0,115200 dhcp ISCSI_INITIATOR=iqn.1993-08.org.debian:01:53694d75a62e ISCSI_TARGET_NAME=iqn.2001-04.com.jade:storage.disk0 ISCSI_TARGET_IP=192.168.1.140 ISCSI_TARGET_PORT=3260 ISCSI_TARGET_GROUP=1 ' --initrd=/mnt/iscsi2/initrd.img-3.11.0-5-powerpc-e500mc -l /mnt/iscsi2/vmlinux-3.11.0-5-powerpc-e500mc 

  
  with break enabled I can enter cli in the initramfs 

       -> This is embedded  fsl  eth1  ( 1Gbe ) with  a cable :

  (initramfs) ipconfig -t 10 -c dhcp -d eth1 &
  (initramfs) IP-Config: eth1 hardware address 02:30:b0:00:10:01 mtu 1500 DHCP
  IP-Config: no response after 10 secs - giving up

     -> System is alive ( I have a prompt )  - The above SHOULD HAVE
  WORKED since it is an  active port.

  This is embedded fsl eth1 - (10Gbe) - No cable

  (initramfs) ipconfig -t 10 -c dhcp -d eth0 &
  (initramfs)
  (initramfs) IP-Config: eth0 hardware address 02:30:b0:00:10:00 mtu 1500 DHCP
  IP-Config: no response after 10 secs - giving up

    -> System is alive ( I have a prompt)

              tg3 stand up card in pci-e slot:

  (initramfs) ipconfig -t 10 -c dhcp -d eth4 &
  (initramfs)
  (initramfs) [  218.394187] IPv6: ADDRCONF(NETDEV_UP): eth4: link is not ready
  (initramfs)
  (initramfs) [  221.268533] tg3 0000:01:00.1 eth4: Link is up at 1000 Mbps, full duplex

  < hung >

  
  iSCSI  target information:

  Server: CentOS 6.4 .x64 .

  #passwd setup 
  #
  # tgtadm --lld iscsi --op new --mode account --user ronnie --password password
  # tgtadm --lld iscsi --op bind --mode account --tid 1 --user ronnie
  #
  # dd if=/dev/zero of=iscsi.disk0 bs=1024M count=10


  
  tgtadm --lld iscsi --op delete  --mode target --tid 1

  tgtadm --lld iscsi --op new --mode target --tid 1 -T iqn.2001-04.com.jade:storage.disk0
  tgtadm  --lld iscsi --op new --mode logicalunit --tid 1 --lun 1 -b  `pwd`/iscsi.disk0

  
  tgtadm --lld iscsi --op bind --mode target --tid 1 -I ALL
  tgtadm --lld iscsi --op show --mode target

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