From: Jarek Poplawski <jarkao2@xxxxxxxxx> Date: Thu, 9 Apr 2009 08:01:59 +0000 > On Thu, Apr 09, 2009 at 12:51:06AM -0700, David Miller wrote: >> From: Jarek Poplawski <jarkao2@xxxxxxxxx> >> Date: Thu, 9 Apr 2009 07:12:42 +0000 >> >> > On 09-04-2009 06:20, David Miller wrote: >> >> From: Alexander Beregalov <a.beregalov@xxxxxxxxx> >> >> Date: Thu, 9 Apr 2009 08:16:00 +0400 >> >> >> >>> The host has two interfaces >> >>> eth0 - e1000, eth1 - forcedeth. >> >>> Both are not working after that messages. >> >> >> >> It looks like the NAPI pending list is being modified in an illegal >> >> state by forcedeth, and mid-stream to a list_del() an e1000 interrupt >> >> comes in and this tries to schedule the e1000 NAPI context and we get >> >> list corruption. >> > >> > Good point! Feel free to send a patch. ;-) >> >> A real shame, since I sent that analysis in hoping someone else >> would do the rest of the digging and write the fix. :-/ > > Hmm... What rest? Alexander? I mean the part where you actually look at the code and figure out where interrupts are enabled during a list_del() where they shouldn't be. The initial trace is pretty detailed and has all the information you need... Nevermind if I have to sit here and explain all of this I might as well fucking fix this myself :-/ -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
