linux-kernel - Re: Sky2 Driver Issue

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Message-ID: <7b9198260710250647r186579a4o5f5c42078891a7da@mail.gmail.com>
Date:	Thu, 25 Oct 2007 14:47:16 +0100
From:	"Tom Spink" <tspink@...il.com>
To:	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: Sky2 Driver Issue

On 25/10/2007, Tom Spink <tspink@...il.com> wrote:
> On 24/10/2007, Tom Spink <tspink@...il.com> wrote:
> > Hi,
> >
> > A couple of kernels ago, I ran into an issue with the sky2 driver.
> > Basically, I began getting repeated errors on my console of the
> > following:
> >
> > Oct 21 16:33:39 holly kernel: sky2 0000:04:00.0: error interrupt
> > status=0x80000000
> > Oct 21 16:33:39 holly kernel: sky2 0000:04:00.0: error interrupt
> > status=0xc0000000
> >
> > Which eventually led to:
> > Oct 21 16:33:49 holly kernel: printk: 92 messages suppressed.
> >
> > Here is a section of the log that may be useful:
> > Oct 21 16:33:37 holly kernel: sky2 eth1: enabling interface
> > Oct 21 16:33:38 holly dhclient: DHCPDISCOVER on eth1 to
> > 255.255.255.255 port 67 interval 8
> > Oct 21 16:33:39 holly kernel: sky2 0000:04:00.0: error interrupt
> > status=0x80000010
> > Oct 21 16:33:39 holly kernel: sky2 eth1: Link is up at 1000 Mbps, full
> > duplex, flow control both
> > Oct 21 16:33:39 holly kernel: sky2 0000:04:00.0: error interrupt
> > status=0x80000000
> > Oct 21 16:33:39 holly kernel: sky2 0000:04:00.0: error interrupt
> > status=0xc0000000
> > Oct 21 16:33:40 holly kernel: sky2 0000:04:00.0: error interrupt
> > status=0x80000000
> > Oct 21 16:33:40 holly kernel: sky2 0000:04:00.0: error interrupt
> > status=0xc0000000
> > Oct 21 16:33:41 holly kernel: sky2 0000:04:00.0: error interrupt
> > status=0x80000000
> > Oct 21 16:33:41 holly kernel: sky2 0000:04:00.0: error interrupt
> > status=0xc0000000
> > Oct 21 16:33:42 holly kernel: sky2 0000:04:00.0: error interrupt
> > status=0x80000000
> >
> > These messages are appearing on all the VTs, and because they keep
> > popping up, I can't reasonably use the consoles to test if the network
> > driver is working.
> >
> > The kernel I've got going at the moment is 2.6.23-rc9 with git
> > revision g804b3f9a, and it's fine.  The error surfaced _sometime_
> > after this.  Attached is my .config.
> >
> > I'll try rebooting and pinging the machine to see if the network
> > driver is working, and this is just (unnecessary?) spew from the
> > kernel.
> >
> > --
> > Regards,
> > Tom Spink
> > University of Edinburgh
> >
> >
>
> I bisected the kernel, with the following results:
>
> git-bisect start
> # bad: [c9927c2bf4f45bb85e8b502ab3fb79ad6483c244] Linux 2.6.24-rc1
> git-bisect bad c9927c2bf4f45bb85e8b502ab3fb79ad6483c244
> # good: [3146b39c185f8a436d430132457e84fa1d8f8208] Linux 2.6.23-rc9
> git-bisect good 3146b39c185f8a436d430132457e84fa1d8f8208
> # bad: [a9957449b08ab561a33e1e038df06843b8d8dd9f] sched: uninline scheduler
> git-bisect bad a9957449b08ab561a33e1e038df06843b8d8dd9f
> # bad: [038a5008b2f395c85e6e71d6ddf3c684e7c405b0] Merge branch
> 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
> git-bisect bad 038a5008b2f395c85e6e71d6ddf3c684e7c405b0
> # bad: [87bdc48d304191313203df9b98d783e1ab5a55ab] [IPSEC]: Get rid of
> ipv6_{auth,esp,comp}_hdr
> git-bisect bad 87bdc48d304191313203df9b98d783e1ab5a55ab
> # bad: [1aafee265723818d903766212015b6116885bc6f] cxgb3 - Add T3C rev
> git-bisect bad 1aafee265723818d903766212015b6116885bc6f
> # good: [d6f2da5b33911a31eb61e1790ef8e555e9605837] [MAC80211]: Remove
> bitfields from struct ieee80211_if_sta
> git-bisect good d6f2da5b33911a31eb61e1790ef8e555e9605837
> # good: [e2aa334bee4ae9fe27f26b0732c0443d2f11a8af] libertas: remove
> adapter->scanprobes
> git-bisect good e2aa334bee4ae9fe27f26b0732c0443d2f11a8af
> # good: [64f222cce2605420470d7a1f678783bdc2754af6] zd1211rw:
> consistent handling of ZD1211 specific rates
> git-bisect good 64f222cce2605420470d7a1f678783bdc2754af6
> # good: [c9a6ce500d78932c43361eae28c3de81b3660c77] cxgb3 - tighten
> checks on TID values
> git-bisect good c9a6ce500d78932c43361eae28c3de81b3660c77
> # bad: [26fcfa95aef980cab4ff1ea55979c30e772dd0dd] pasemi_mac: RX
> performance tweaks
> git-bisect bad 26fcfa95aef980cab4ff1ea55979c30e772dd0dd
> # bad: [555382cbfc6d2187b53888190755e56f52308cd6] sky2: advanced error reporting
> git-bisect bad 555382cbfc6d2187b53888190755e56f52308cd6
> # good: [3f61e4278c8489c1d026a45b0903cd4230d1ec07] cxgb3 - Update
> internal memory management
> git-bisect good 3f61e4278c8489c1d026a45b0903cd4230d1ec07
> # good: [efcf6e2febbfe5b2ab497421e2f7f188e1741cf9] sky2: document GPHY_CTRL bits
> git-bisect good efcf6e2febbfe5b2ab497421e2f7f188e1741cf9
> # good: [8c4c00f3710f9e5653ed465e88271664f3163930] sky2: dont restrict
> config space access
> git-bisect good 8c4c00f3710f9e5653ed465e88271664f3163930
>
>
> --
> Regards,
> Tom Spink
> University of Edinburgh
>

Whoops. And of course, the first bad revision is:

555382cbfc6d2187b53888190755e56f52308cd6: sky2: advanced error reporting

-- 
Regards,
Tom Spink
University of Edinburgh
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