Bug 517226

Summary:	net-wireless/broadcom-sta-6.30.223.248 freezes w/ high softirq cpu utilization
Product:	Gentoo Linux	Reporter:	Mark R. Pariente <markpariente>
Component:	[OLD] Core system	Assignee:	M. B. <tomboy64>
Status:	RESOLVED CANTFIX
Severity:	normal	CC:	kemurphy.cmu
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:
Package list:		Runtime testing required:	---

Description Mark R. Pariente 2014-07-16 08:36:43 UTC

After upgrading to net-wireless/broadcom-sta-6.30.223.248 I'm experiencing periodic 1-2 second system freezes where all interrupts are dropped (even keyboard/mouse don't respond). The freezes happen quite frequently, like every 30 seconds or so. While a freeze is ongoing I can see that ksoftirqd is using 200% CPU. I'm using gentoo-sources-3.15.5. Downgrading back to 6.30.223.141-r2 fixes the issue.

Comment 1 M. B. 2014-07-16 13:11:50 UTC

Which chip are you using?
Also, could you please test whether this occurs with kernel 3.13.* as well?

Comment 2 Mark R. Pariente 2014-07-16 18:53:30 UTC

The chip is:

04:00.0 Network controller: Broadcom Corporation BCM4360 802.11ac Wireless Network Adapter (rev 02)

I will test with 3.13.* later and let you know. Let me know if you need any other information.

Comment 3 Kevin Murphy 2014-09-09 07:51:23 UTC

Confirming same behavior with same chip on kernels 3.14.17 and 3.16.1 on Arch Linux.  Downgrading from .248 to .141 also solves the problem, but renders me unable to connect to 5GHz networks.  I'll also try 3.13.8; what's special about 3.13?

Comment 4 Kevin Murphy 2014-09-09 08:07:04 UTC

Also occurs for me with 3.13.8.

Comment 5 Mark R. Pariente 2014-09-16 07:57:40 UTC

I've contacted upstream (linux-wlan-client-support-list@broadcom.com) about it - will update here if I hear back.

Comment 6 Matt Turner gentoo-dev

2015-01-27 19:55:36 UTC

(In reply to Mark R. Pariente from comment #5)
> I've contacted upstream (linux-wlan-client-support-list@broadcom.com) about
> it - will update here if I hear back.

No updates, presumably? They never responded to an email of mine.

Comment 7 Matt Turner gentoo-dev

2017-09-09 20:35:33 UTC

Dropping myself as a maintainer. In this case, also marking as CANTFIX.