Public bug reported:
After installing linux-firmware 20260123.git1b7b9f6c.0ubuntu in 26.04
(6.17.0-8-generic), the wireless card no longer works:
% ip l
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode
DEFAULT group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: enp0s25: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state
DOWN mode DEFAULT group default qlen 1000
link/ether 3c:97:0e:da:c4:42 brd ff:ff:ff:ff:ff:ff
altname enx3c970edac442
3: br0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN
mode DEFAULT group default qlen 1000
link/ether de:4c:0b:4c:5f:f3 brd ff:ff:ff:ff:ff:ff
4: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state
DOWN mode DEFAULT group default qlen 1000
link/ether 52:54:00:4d:2c:a9 brd ff:ff:ff:ff:ff:ff
Relevant dmesg messages:
[ 13.511681] iwlwifi 0000:03:00.0: can't disable ASPM; OS doesn't have ASPM
control
[ 13.521899] iwlwifi 0000:03:00.0: Detected crf-id 0xa5a5a5a1, cnv-id
0xa5a5a5a1 wfpm id 0xa5a5a5a1
[ 13.521949] iwlwifi 0000:03:00.0: PCI dev 4238/1111, rev=0x74,
rfid=0xd55555d5
[ 13.521954] iwlwifi 0000:03:00.0: Detected Intel(R) Centrino(R) Ultimate-N
6300 AGN
[ 13.522497] iwlwifi 0000:03:00.0: Direct firmware load for
iwlwifi-6000-6.ucode failed with error -2
[ 13.522693] iwlwifi 0000:03:00.0: Direct firmware load for
iwlwifi-6000-5.ucode failed with error -2
[ 13.523063] iwlwifi 0000:03:00.0: Direct firmware load for
iwlwifi-6000-4.ucode failed with error -2
[ 13.523069] iwlwifi 0000:03:00.0: no suitable firmware found!
[ 13.523369] iwlwifi 0000:03:00.0: minimum version required: iwlwifi-6000-4
[ 13.523650] iwlwifi 0000:03:00.0: maximum version supported: iwlwifi-6000-6
[ 13.523942] iwlwifi 0000:03:00.0: check
git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
Downgrading to 20251125.gitff6418d1-0ubuntu1 fixes the problem, whereby
dmesg says:
[ 11.696718] iwlwifi 0000:03:00.0: can't disable ASPM; OS doesn't have ASPM
control
[ 11.711654] iwlwifi 0000:03:00.0: Detected crf-id 0xa5a5a5a1, cnv-id
0xa5a5a5a1 wfpm id 0xa5a5a5a1
[ 11.711701] iwlwifi 0000:03:00.0: PCI dev 4238/1111, rev=0x74,
rfid=0xd55555d5
[ 11.711707] iwlwifi 0000:03:00.0: Detected Intel(R) Centrino(R) Ultimate-N
6300 AGN
[ 11.712074] iwlwifi 0000:03:00.0: Direct firmware load for
iwlwifi-6000-6.ucode failed with error -2
[ 11.712275] iwlwifi 0000:03:00.0: Direct firmware load for
iwlwifi-6000-5.ucode failed with error -2
[ 11.719487] iwlwifi 0000:03:00.0: loaded firmware version 9.221.4.1 build
25532 6000-4.ucode op_mode iwldvm
[ 12.699531] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEBUG disabled
[ 12.699537] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEBUGFS enabled
[ 12.699539] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEVICE_TRACING enabled
[ 12.699540] iwlwifi 0000:03:00.0: Detected Intel(R) Centrino(R) Ultimate-N
6300 AGN, REV=0x74
[ 12.774901] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs'
[ 13.056434] iwlwifi 0000:03:00.0 wlp3s0: renamed from wlan0
[ 16.711009] iwlwifi 0000:03:00.0: Radio type=0x0-0x3-0x1
[ 16.953175] iwlwifi 0000:03:00.0: Radio type=0x0-0x3-0x1
** Affects: linux-firmware (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2141993
Title:
No wireless on "Intel Centrino Ultimate-N 6300 AGN"
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