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Date: Thu, 7 Jul 2011 13:43:48 +0400
From: Alexey Zaytsev <alexey.zaytsev@...il.com>
To: Eric Dumazet <eric.dumazet@...il.com>
Cc: Michael Büsch <m@...s.ch>,
Neil Horman <nhorman@...driver.com>,
Andrew Morton <akpm@...ux-foundation.org>,
netdev@...r.kernel.org, Gary Zambrano <zambrano@...adcom.com>,
bugme-daemon@...zilla.kernel.org,
"David S. Miller" <davem@...emloft.net>,
Pekka Pietikainen <pp@...oulu.fi>,
Florian Schirmer <jolt@...box.org>,
Felix Fietkau <nbd@...nwrt.org>, Michael Buesch <mb@...sch.de>
Subject: Re: [Bugme-new] [Bug 38102] New: BUG kmalloc-2048: Poison overwritten
On Thu, Jul 7, 2011 at 13:37, Alexey Zaytsev <alexey.zaytsev@...il.com> wrote:
> On Thu, Jul 7, 2011 at 13:34, Alexey Zaytsev <alexey.zaytsev@...il.com> wrote:
>> On Thu, Jul 7, 2011 at 13:20, Eric Dumazet <eric.dumazet@...il.com> wrote:
>>> Le jeudi 07 juillet 2011 à 11:45 +0400, Alexey Zaytsev a écrit :
>>>> On Thu, Jul 7, 2011 at 10:48, Eric Dumazet <eric.dumazet@...il.com> wrote:
>>>> > Le jeudi 07 juillet 2011 à 10:32 +0400, Alexey Zaytsev a écrit :
>>>> >> Sorry, been busy for the last couple days. Any patches I should test?
>>>> >
>>>> > Please try :
>>>> >
>>>>
>>>> Thanks. Seems to fail to initialize, getting this in dmesg:
>>>>
>>>> [ 103.421577] b44 0000:02:0e.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
>>>> [ 103.440139] ssb: Core 0 found: Fast Ethernet (cc 0x806, rev 0x07,
>>>> vendor 0x4243)
>>>> [ 103.440159] ssb: Core 1 found: V90 (cc 0x807, rev 0x03, vendor 0x4243)
>>>> [ 103.440177] ssb: Core 2 found: PCI (cc 0x804, rev 0x0A, vendor 0x4243)
>>>> [ 103.481128] ssb: Sonics Silicon Backplane found on PCI device 0000:02:0e.0
>>>> [ 103.481532] b44: b44.c:v2.0
>>>> [ 103.502185] b44 ssb1:0: eth0: Broadcom 44xx/47xx 10/100BaseT
>>>> Ethernet 00:17:a4:dd:4e:93
>>>> [ 109.405071] b44 ssb1:0: eth0: powering down PHY
>>>> [ 112.816456] b44 ssb1:0: eth0: Link is up at 100 Mbps, full duplex
>>>> [ 112.816470] b44 ssb1:0: eth0: Flow control is off for TX and off for RX
>>>> [ 112.952073] b44 ssb1:0: eth0: powering down PHY
>>>> [ 113.816148] b44 ssb1:0: eth0: Link is down
>>>> [ 114.953717] b44 ssb1:0: eth0: powering down PHY
>>>> [ 117.816246] b44 ssb1:0: eth0: Link is up at 100 Mbps, full duplex
>>>> [ 117.816260] b44 ssb1:0: eth0: Flow control is off for TX and off for RX
>>>> [ 117.963238] b44 ssb1:0: eth0: powering down PHY
>>>> [ 118.816128] b44 ssb1:0: eth0: Link is down
>>>> [ 119.962817] b44 ssb1:0: eth0: powering down PHY
>>>
>>> Maybe this is the b44_init_hw() change :
>>>
>>> bw32(bp, B44_DMARX_PTR, 0);
>>>
>>> So please change this part
>>>
>>> Updated patch :
>>
>> Initializes fine now, but the transfer would stall every few seconds.
>>
> Err, wait a sec, patches the wrong version.
>
Ok, I've wrongly fixed this part in the clean b44.c, and got stalls.
Then fixed the patched one after applying the stash, and still got the
stalls.
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