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Message-ID: <m3abgmcb68.fsf@maximus.localdomain> Date: Sun, 13 Jul 2008 12:48:15 +0200 From: Krzysztof Halasa <khc@...waw.pl> To: Andrew Morton <akpm@...ux-foundation.org> Cc: <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org, Stephen Hemminger <shemminger@...ux-foundation.org>, "David S. Miller" <davem@...emloft.net>, Russell King <rmk+lkml@....linux.org.uk> Subject: Re: [bisected] kernel panic 2.6.22 -> 2.6.26-rc9+ Andrew Morton <akpm@...ux-foundation.org> writes: > (cc's added) (cc added) :-) > I guess you're referring to this: > http://linux.derkeiler.com/Mailing-Lists/Kernel/2008-07/msg04754.html Right. >> PPP over ATM connection (Thomson/Alcatel >> Speedtouch). It doesn't seem to occur on the same IXP4xx with Ethernet >> or V.35 WAN, and it doesn't occur on i386 + the same Speedtouch ADSL. >> The kernel is basically unpatched, the only extra patch applied is the >> platform support (nothing magic). >> >> Generally to trigger the panic one has to request a TCP data stream >> over that PPPoATM connection. I see what's wrong now: that's the ARM fls() problem, the call in fls64() to be precise. It seems it was already discussed: the patch in http://lkml.org/lkml/2008/5/4/233 makes the problem disappear. Perhaps it's time to fix it definitely? -- Krzysztof Halasa -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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