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Date: Thu, 19 Mar 2015 14:47:12 +0100 From: Takashi Iwai <tiwai@...e.de> To: Denys Vlasenko <vda.linux@...glemail.com> Cc: Denys Vlasenko <dvlasenk@...hat.com>, Andy Lutomirski <luto@...capital.net>, Jiri Kosina <jkosina@...e.cz>, Linus Torvalds <torvalds@...ux-foundation.org>, Stefan Seyfried <stefan.seyfried@...glemail.com>, X86 ML <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>, Tejun Heo <tj@...nel.org> Subject: Re: PANIC: double fault, error_code: 0x0 in 4.0.0-rc3-2, kvm related? At Thu, 19 Mar 2015 13:48:56 +0100, Denys Vlasenko wrote: > > Having no more ideas at the moment, here is a tarball of 13 patches > of commits touching entry_64.S up to 4.0.0-rc1. > > x0001.patch is the latest, x0015.patch is the oldest. > > Patches 0003 and 0008 are not there since 0003 is empty merge patch > and 0008 does some PCI fixup. > > If this breakage is recent, it ought to be one of these. > Most of them do some non-trivial surgery. > > Even though I did not spot anything suspicious in them, > entry.S is notorious for subtle breakage. > > Try reverting them in sequence starting from x0001.patch > and see reverting which one makes crash disappear. OK, I'm going to check these git series. Takashi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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