[Bug 1712491] Re: Add backported bnxt driver to the initramfs

[Juerg Haefliger]

** Description changed:

- We're adding a backported bnxt driver to Xenial (LP #1711056). It's an
- alternate for the regular Xenial driver that only manages NICs that are
- not supported by the regular Xenial driver. But it's a boot-critical
- driver so it needs to be added to the initramfs.
+ [Impact]
+ We're adding a backported bnxt driver to Xenial (LP #1711056). It's an alternate for the regular Xenial driver that only manages NICs that are not supported by the regular Xenial driver. Since the backported driver lives in the special location kernel/ubuntu/bnxt it's not automatically included in the initramfs. But it's boot-critical so it needs to be added to the initramfs.
  
- --- hook-functions.orig	2017-08-21 08:00:47.303094616 +0000
- +++ hook-functions	2017-08-23 07:43:56.893817027 +0000
- @@ -519,6 +519,9 @@ auto_add_modules()
-  				macvtap.ko pcmcia sb1000.ko team tokenring \
-  				tun.ko usb veth.ko wan wimax wireless \
-  				xen-netback.ko
- + 
- +			# Ubuntu backported bnxt driver
- +			copy_modules_dir kernel/ubuntu/bnxt
-  		;;
-  		ide)
-  			copy_modules_dir kernel/drivers/ide
+ [Test Case]
+ Install the Xenial kernel on hardware that contains a newer Broadcom NIC and boots over that NIC. The machine will not come up because the NIC is not recognized.
+ 
+ [Regression Risk]
+ The driver is only loaded for newer Broadcom NICs. Older NICs are still managed by the regular Xenial driver, so there should be no regression.

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https://bugs.launchpad.net/bugs/1712491

Title:
  Add backported bnxt driver to the initramfs

Status in initramfs-tools package in Ubuntu:
  New

Bug description:
  [Impact]
  We're adding a backported bnxt driver to Xenial (LP #1711056). It's an alternate for the regular Xenial driver that only manages NICs that are not supported by the regular Xenial driver. Since the backported driver lives in the special location kernel/ubuntu/bnxt it's not automatically included in the initramfs. But it's boot-critical so it needs to be added to the initramfs.

  [Test Case]
  Install the Xenial kernel on hardware that contains a newer Broadcom NIC and boots over that NIC. The machine will not come up because the NIC is not recognized.

  [Regression Risk]
  The driver is only loaded for newer Broadcom NICs. Older NICs are still managed by the regular Xenial driver, so there should be no regression.

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