Bug 216894

Summary:	Regression in commit 2aca4f3734bd717e04943ddf340d49ab62299a00
Product:	Drivers	Reporter:	Christian Marillat (marillat)
Component:	network-wireless	Assignee:	drivers_network-wireless (drivers_network-wireless)
Status:	RESOLVED PATCH_ALREADY_AVAILABLE
Severity:	normal	CC:	askgreve, aspriel
Priority:	P1
Hardware:	All
OS:	Linux
Kernel Version:	6.0.17 and 6.1.3	Subsystem:
Regression:	Yes	Bisected commit-id:
Attachments:	increase invalid max flowring limit

Description Christian Marillat 2023-01-06 10:58:26 UTC

Hi,

With this commit the kernel doesn't load the firmware and I lost my wifi device, But without this commit the firmware load fine without a kernel panic.

kernel 6.0.15/6.1.3
brcmfmac 0000:02:00.0: brcmf_pcie_init_ringbuffers: invalid max_flowrings(264)

kernel 6.0.17
brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac4366c-pcie for chip BCM4366/4
brcmfmac: brcmf_c_process_clm_blob: no clm_blob available (err=-2), device may have limited channels available
brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4366/4 wl0: Nov  5 2018 03:19:56 version 10.28.2 (r769115) FWID 01-d2cbb8fd

PCI info :

02:00.0 Network controller: Broadcom Inc. and subsidiaries Device 43c3 (rev 04)
	Subsystem: ASUSTeK Computer Inc. Device 86fb
	Flags: bus master, fast devsel, latency 0, IRQ 45
	Memory at f7000000 (64-bit, non-prefetchable) [size=32K]
	Memory at f6800000 (64-bit, non-prefetchable) [size=8M]
	Memory at f2400000 (64-bit, prefetchable) [size=4M]
	Capabilities: <access denied>
	Kernel driver in use: brcmfmac
	Kernel modules: brcmfmac

Christian

Comment 1 Christian Marillat 2023-01-06 11:00:21 UTC

kernel version should be  6.0.17/6.1.3 and 6.0.15

Christian

Comment 2 Christian Marillat 2023-01-06 23:39:17 UTC

*** Bug 216893 has been marked as a duplicate of this bug. ***

Comment 3 Artem S. Tashkinov 2023-01-08 09:54:29 UTC

Please CC (send your entire bug report): wright dot feng AT cypress dot com

He's not on this bugzilla.

Comment 4 Christian Marillat 2023-01-08 10:26:11 UTC

CC sent to Wright Feng

Comment 5 Christian Marillat 2023-01-08 10:40:30 UTC

This address return bounces.

Sent with two different address email.

Comment 6 Arend van Spriel 2023-01-09 09:04:12 UTC

The regression was introduced by following commit:

https://lore.kernel.org/all/20220929031001.9962-3-ian.lin@infineon.com/

This has also been reported on the linux-wireless list.

Regards,
Arend

Comment 7 Arend van Spriel 2023-01-09 09:59:35 UTC

Created attachment 303558 [details]
increase invalid max flowring limit

Attached possible patch for the reported issue. Please provide feedback.

Comment 8 Christian Marillat 2023-01-09 11:04:54 UTC

Of course this patch solve this issue.

Comment 9 Christian Marillat 2023-01-18 12:04:20 UTC

Would be nice to know why the patch proposed in this bug isn't applied to 6.1.7

Christian

Comment 10 Arend van Spriel 2023-01-19 11:15:18 UTC

(In reply to Christian Marillat from comment #9)
> Would be nice to know why the patch proposed in this bug isn't applied to
> 6.1.7

It would be nice if you pay attention. It has been applied earlier this week on the wireless repo. It has to go to networking repo and then land in Linus' tree before it will be taken by the stable maintainers. So it will take a week or two. Please be patient.

Regards,
Arend