kernel-packages team mailing list archive

[Anish Bhatt <1400413@xxxxxxxxxxxxxxxxxx>]

A little late, but should not matter to driver. (I work at Chelsio) The
firmware load is just an info message, in case firmware load fails,
driver will fallback to using firmware already flashed in card. Drivers
for 1.12.25.0 are backwards compatible with 1.9.23.0

That said, "Direct firmware load failed with error -2" indicates the firmware file was not found in userspace.  -2 is ENOENT (file not found) Hard to say without full update-initramfs output, but 
rm -f ./lib/firmware/cxgb4/t5fw.bin
rm -f ./lib/firmware/cxgb4/t4fw.bin

looks suspicious to me.

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Title:
  Chelsio cxgb4 driver cannot load firmware

Status in linux-firmware package in Ubuntu:
  New

Bug description:
  Stock ubuntu 14.04 install, updated to the latest packages. Still
  seeing:

  root@ceph-eng-osd-walter:~# dmesg | grep cxgb4
  [    8.075442] cxgb4 0000:0c:00.4: enabling device (0040 -> 0042)
  [    8.080852] cxgb4 0000:0c:00.4: Direct firmware load failed with error -2
  [    8.080853] cxgb4 0000:0c:00.4: Falling back to user helper
  [    8.111546] cxgb4 0000:0c:00.4: unable to load firmware image cxgb4/t4fw.bin, error -2
  [    8.128533] cxgb4 0000:0c:00.4: Coming up as MASTER: Initializing adapter
  [    8.800553] cxgb4 0000:0c:00.4: Direct firmware load failed with error -2
  [    8.800554] cxgb4 0000:0c:00.4: Falling back to user helper
  [    8.808545] cxgb4 0000:0c:00.4: mbox 4: 70000000c1f0203 0 0 0 0 0 0 0
  [    9.504543] cxgb4 0000:0c:00.4: Successfully configured using Firmware Configuration File "Firmware Default", version 0x0, computed checksum 0x0

  however:

  root@ceph-eng-osd-walter:~# ls -las /lib/firmware/cxgb4
  total 972
    4 drwxr-xr-x  2 root root   4096 Dec  6 14:58 .
   20 drwxr-xr-x 61 root root  20480 Dec  6 14:58 ..
  476 -rw-r--r--  1 root root 486912 Sep 18 15:50 t4fw-1.9.23.0.bin
    0 lrwxrwxrwx  1 root root     17 Sep 18 15:50 t4fw.bin -> t4fw-1.9.23.0.bin
  472 -rw-r--r--  1 root root 481280 Sep 18 15:50 t5fw-1.9.23.0.bin
    0 lrwxrwxrwx  1 root root     17 Sep 18 15:50 t5fw.bin -> t5fw-1.9.23.0.bin
  root@ceph-eng-osd-walter:~# 

  
  and the module is looking for it there also:

  root@ceph-eng-osd-walter:~# modinfo cxgb4 | grep firmware
  firmware:       cxgb4/t5fw.bin
  firmware:       cxgb4/t4fw.bin
  root@ceph-eng-osd-walter:~# 

  here's update-initramfs:

  root@ceph-eng-osd-walter:~# update-initramfs -uv | grep cxgb
  Adding module /lib/modules/3.13.0-40-generic/kernel/drivers/net/ethernet/chelsio/cxgb/cxgb.ko
  Adding module /lib/modules/3.13.0-40-generic/kernel/drivers/net/ethernet/chelsio/cxgb3/cxgb3.ko
  Adding firmware /lib/firmware/cxgb3/ael2020_twx_edc.bin
  Adding firmware /lib/firmware/cxgb3/ael2005_twx_edc.bin
  Adding firmware /lib/firmware/cxgb3/ael2005_opt_edc.bin
  Adding firmware /lib/firmware/cxgb3/t3c_psram-1.1.0.bin
  Adding firmware /lib/firmware/cxgb3/t3b_psram-1.1.0.bin
  Adding firmware /lib/firmware/cxgb3/t3fw-7.12.0.bin
  Adding module /lib/modules/3.13.0-40-generic/kernel/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf.ko
  Adding module /lib/modules/3.13.0-40-generic/kernel/drivers/net/ethernet/chelsio/cxgb4/cxgb4.ko
  Adding firmware /lib/firmware/cxgb4/t5fw.bin
  Adding firmware /lib/firmware/cxgb4/t4fw.bin
  Adding firmware /lib/firmware/cxgb4/t5fw.bin
  Adding firmware /lib/firmware/cxgb4/t4fw.bin
  Adding module /lib/modules/3.13.0-40-generic/kernel/drivers/scsi/cxgbi/libcxgbi.ko
  Adding module /lib/modules/3.13.0-40-generic/kernel/drivers/scsi/cxgbi/cxgb4i/cxgb4i.ko
  Adding module /lib/modules/3.13.0-40-generic/kernel/drivers/scsi/cxgbi/cxgb3i/cxgb3i.ko
  rm -f ./lib/firmware/cxgb4/t5fw.bin 
  rm -f ./lib/firmware/cxgb4/t4fw.bin 
  root@ceph-eng-osd-walter:~#

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