Messages in this thread | | | Date | Mon, 18 Aug 2014 22:32:44 -0700 | Subject | Re: PANIC: ata_qc_new_init crashes at boot | From | Dan Williams <> |
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On Mon, Aug 18, 2014 at 2:21 PM, Tejun Heo <tj@kernel.org> wrote: > Hello, > > Sorry about the delay. Cc'ing Dan. > > On Wed, Aug 06, 2014 at 02:02:47PM -0400, Nick Krause wrote: >> On Wed, Jul 23, 2014 at 4:39 AM, Peter Zijlstra <peterz@infradead.org> wrote: >> > On Tue, Jul 22, 2014 at 03:48:02PM -0400, Peter Hurley wrote: >> >> [ +cc Tejun ] >> >> >> >> On 07/22/2014 03:26 PM, Jesse Brandeburg wrote: >> >> > This is a repeatable panic, happens every boot (and prevents starting my system) >> >> > >> >> > [ 8.732993] sd 6:0:1:0: [sdb] Attached SCSI disk >> >> > [ 8.733857] sda: sda1 sda2 sda3 >> >> > [ 8.734318] sd 6:0:0:0: [sda] Attached SCSI disk >> >> > [ 8.737943] BUG: unable to handle kernel NULL pointer dereference at 0000000000000058 >> >> > [ 8.737947] IP: [<ffffffff814e0618>] ata_qc_new_init+0x188/0x1b0 >> > >> > I too have this problem on one of my machines. Let me know if there's >> > anything you need. > > Are you still seeing this on every boot? ISTR this getting fixed but > I could be confused. Dan, the original thread is > > http://lkml.kernel.org/g/CAEuXFEy5=0XkqPiWQNiGbpi5EHSzq5f_U7Sj0t2bhO_1Lqe5vw@mail.gmail.com >
This is the last I heard:
http://marc.info/?l=linux-ide&m=140630768020241&w=2
But I never saw a follow up.
Hmmm, commit 1a112d10f03e libata: introduce ata_host->n_tags to avoid oops on SAS controllers
...doesn't fix this? Jesse reported positive results here:
http://marc.info/?l=linux-ide&m=140624094731542&w=2
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