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Date: Fri, 11 Jul 2014 16:58:56 +0200 From: Maurizio Lombardi <mlombard@...hat.com> To: Aaron Lu <aaron.lu@...el.com> CC: Jens Axboe <axboe@...com>, Ming Lei <ming.lei@...onical.com>, Jet Chen <jet.chen@...el.com>, LKML <linux-kernel@...r.kernel.org>, lkp@...org Subject: Re: [Merge branch 'for] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 Hi, On 07/08/2014 10:59 AM, Aaron Lu wrote: > The merge 49b3f10e2cf5c1c25d2ce33ab255cff8a8096ce6 seems to have only one > commit: 254c4407cb84a6dec90336054615b0f0e996bb7c, so I added you guys in. > Please take a look if this is a real problem, thanks. > > > [ 1010.593031] sda: unknown partition table > [ 1010.598052] sd 2:0:0:0: [sda] Attached SCSI disk > [ 1012.893125] sd 2:0:0:0: [sda] Synchronizing SCSI cache > [ 1012.895934] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 > [ 1012.896336] IP: [<ffffffff813cf880>] blk_throtl_drain+0x30/0x150 I tried to revert my patch (commit 254c4407cb84a6dec90336054615b0f0e996bb7c) but I'm still able to hit the very same kernel panic in linux-next, so I think my patch is not the one to blame. I was able to reproduce the error in a more easier way: just execute the "reboot" command after the system boot is finished. Regards, Maurizio Lombardi -- 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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