Date: Tue, 31 Oct 2000 17:20:44 -0800 (PST) From: Archie Cobbs <archie@packetdesign.com> To: FreeBSD-gnats-submit@freebsd.org Subject: kern/22460: PCMCIA card using ed driver temporarily freezes system Message-ID: <200011010120.eA11Ki008714@bubba.packetdesign.com>
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>Number: 22460
>Category: kern
>Synopsis: PCMCIA card using ed driver temporarily freezes system
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Oct 31 17:30:01 PST 2000
>Closed-Date:
>Last-Modified:
>Originator: Archie Cobbs
>Release: FreeBSD 4.1.1-STABLE i386
>Organization:
Packet Design, Inc.
>Environment:
FreeBSD 4.1.1-RELEASE
PMX PE-200 PCMCIA Ethernet card, uses the "ed" driver
>Description:
This problem was originally reported on freebsd-mobile.
The email below describes the situation. The patch suggested
does in fact fix the problem.
> From owner-freebsd-mobile Mon Oct 30 4:27:55 2000
> Delivered-To: freebsd-mobile@freebsd.org
> Received: from lavender.sanpei.org (ppp153.dialup.st.keio.ac.jp [131.113.27.153])
> by hub.freebsd.org (Postfix) with ESMTP id F033E37B4C5
> for <freebsd-mobile@FreeBSD.ORG>; Mon, 30 Oct 2000 04:27:48 -0800 (PST)
> Received: (from sanpei@localhost)
> by lavender.sanpei.org (8.11.0/3.7W) id e9UCRIb08030;
> Mon, 30 Oct 2000 21:27:18 +0900 (JST)
> Date: Mon, 30 Oct 2000 21:27:18 +0900 (JST)
> Message-Id: <200010301227.e9UCRIb08030@lavender.sanpei.org>
> To: archie@dellroad.org
> Cc: freebsd-mobile@FreeBSD.ORG
> Subject: Re: PCMCIA card temporarily freezes system
> In-Reply-To: Your message of "Sat, 28 Oct 2000 11:52:10 -0700 (PDT)".
> <200010281852.e9SIqAO34152@curve.dellroad.org>
> From: sanpei@sanpei.org (MIHIRA Yoshiro)
> X-Mailer: mnews [version 1.22] 1999-12/19(Sun)
> Sender: owner-freebsd-mobile@FreeBSD.ORG
> Precedence: bulk
> X-Loop: FreeBSD.org
>
> archie@dellroad.org wrote:
>
> >> I have this PCMCIA card: PMX PE-200, which uses the "ed" driver.
> >> It has worked for me before on another system, but in trying
> >> on a ThinkPad A20m laptop with FreeBSD 4.1.1-REL, it seems
> >> to temporarily "freeze" the system when plugged in.
> >>
> >> That is, if pccardd is not running, everything looks normal.
> >> When pccardd is started, it detects the card and the kernel
> >> spits out the probe message with the IRQ and memory address,
> >> and then the system completely freezes:
> >>
> >> pccard: card inserted, slot 0
> >> ed0 at port 0x300-0x31f iomem 0xd4000-0xd43ff irq 10 slot 0 on pccard0
> >>
> >> Pressing keys on the keyboard does nothing. But then if I pop out
> >> the card, the system continues normally (responding to any keys
> >> pressed while frozen), printing out the card's Ethernet address,
> >> etc. Of course then pccard immediately detects the card has been
> >> popped out and detaches the interface:
> >>
> >> ed0: address 00:20:e0:0f:a6:9f, type NE2000 (16 bit)
> >> ed0: detached
> >> pccard: card removed, slot 0
> >> stray irq 10
> >>
> >> This can be repeeated any number of times.
> >>
> >> Any ideas? I've tried different interrupts, etc., to no avail.
> >> This card works fine under Win98 on the same laptop. Dmesg
> >> excerpts below..
>
> Try below quick hack patch.
> Some PC-Card which uses "ed" driver have hung-up with ed_get_linksys.
> But we don't solve this problem....
>
> Cheers
> MIHIRA Yoshiro
>
> --- sys/dev/ed/if_ed_pccard.c.org Mon Oct 30 21:24:34 2000
> +++ sys/dev/ed/if_ed_pccard.c Mon Oct 30 21:24:48 2000
> @@ -201,13 +201,17 @@
> return (error);
> }
>
> +#if 0
> if (ed_get_Linksys(sc) == 0) {
> +#endif
> pccard_get_ether(dev, ether_addr);
> for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
> sum |= ether_addr[i];
> if (sum)
> bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
> +#if 0
> }
> +#endif
>
> error = ed_attach(sc, device_get_unit(dev), flags);
> return (error);
>How-To-Repeat:
See above.
>Fix:
Apply the patch shown above.
>Release-Note:
>Audit-Trail:
>Unformatted:
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