[coreboot - Bug #548] Computer Fails To Recognize Upgraded WiFi Card

Nico Huber <[email protected]>
Newsgroups gmane.linux.bios
Message-ID <[email protected]>
Issue #548 has been updated by Nico Huber.


Looks like the PCIe link is completely down. I wouldn't say it's likely with an Intel card, but it's possible that this happens when coreboot enables the link power management (assuming the link worked without pm). A coreboot log would tell us. You can fetch it from a running system with `sudo cbmem -c` (if installed, if not `make -C util/cbmem/ && sudo util/cbmem/cbmem -c` in the coreboot source tree).

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Bug #548: Computer Fails To Recognize Upgraded WiFi Card
https://ticket.coreboot.org/issues/548#change-1871

* Author: Jeremy Brown
* Status: New
* Priority: Normal
* Target version: none
* Start date: 2024-07-15
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I am running coreboot 24.05 on my Lenovo X201.

I decided to upgrade my WiFi card from an Intel Centrino Advanced-N 6205 to an Intel Wireless-AC 7260; since I selected the option to support Intel PCIe cards in my build config I expected everything to work but my computer fails to recognize the new card. The old card is still recognized if I reinstall it so I know I didn't mess up the socket somehow; I've read reports of the 7260 [working with a modded factory BIOS](https://richbits.rbarnes.org/installing-the-intel-7260-in-the-thinkpad-x201.html) so I don't think there's an electrical issue. I've seen [somewhat related bugs](https://ticket.coreboot.org/issues/311) but it seems their issue isn't mine.

I've attached lspci data from both chips and my build config, lmk if additional information is needed.

---Files--------------------------------
6205_lspci_tree.txt (1.63 KB)
7260_lspci_tree.txt (1.57 KB)
6205_lspci.txt (12.8 KB)
7260_lspci.txt (12.2 KB)
coreboot.cfg (20.1 KB)
6205_root_inspection.txt (3.58 KB)
7260_root_inspection.txt (3.58 KB)


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