Date: Fri, 14 Nov 2008 15:08:59 GMT From: Andreas Wehrmann <a_wehrmann@hotmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/128870: Interrupt Storm when plugging in PCMCIA Card (HP NC8000 Notebook) Message-ID: <200811141508.mAEF8xHr014376@www.freebsd.org> Resent-Message-ID: <200811141510.mAEFA2Ei011099@freefall.freebsd.org>
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>Number: 128870 >Category: kern >Synopsis: Interrupt Storm when plugging in PCMCIA Card (HP NC8000 Notebook) >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Nov 14 15:10:02 UTC 2008 >Closed-Date: >Last-Modified: >Originator: Andreas Wehrmann >Release: 7.0-p5 >Organization: >Environment: FreeBSD hostname 7.0-RELEASE-p5 FreeBSD 7.0-RELEASE-p5 #0: Wed Oct 1 10:10:12 UTC 2008 root@i386-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC i386 >Description: All this is happening on a HP NC8000 Laptop. I tried to configure my PCMCIA WLAN Card (Allnet ALL0282A; AR5211 chip) recently. First thing I wanted to do is to scan for networks, so I set the card "up" and noticed a lot of Interrupt storm warnings on the console: interrupt storm detected on "irq10:"; throttling interrupt source The network scan didn't succeed btw. I tried another WLAN Card: Conceptronic C54RC (Version 2.0) R61 chip but the exact same thing happened again. I then tried a serial card (PCMCIA card that offers a COM-Port) and when booting up, I got those storms as well. I used the following command to determine, which driver handles IRQ10: "ps ax | grep irq". The following showed up: 22 ?? WL 0:00.57 [irq10: cbb0 cbb1+*] Therefore I suppose there is a bug in the interrupt handling in the cbb driver, because all these card work (on the same machine) under Linux and Windows XP. >How-To-Repeat: Plug in some PCMCIA Card. >Fix: >Release-Note: >Audit-Trail: >Unformatted:home | help
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