* Re: BUG: using smp_processor_id() in preemptible [00000000] code]
[not found] <20160609172444.GB6277@invalid>
@ 2016-06-09 18:14 ` Alan Stern
2016-06-09 19:10 ` Nadav Amit
0 siblings, 1 reply; 7+ messages in thread
From: Alan Stern @ 2016-06-09 18:14 UTC (permalink / raw)
To: M G Berberich; +Cc: USB list, linux-mm
On Thu, 9 Jun 2016, M G Berberich wrote:
> Hello,
>
> With 4.7-rc2, after detecting a USB Mass Storage device
>
> [ 11.589843] usb-storage 4-2:1.0: USB Mass Storage device detected
>
> a constant flow of kernel-BUGS is reported (several per second).
>
> [ 11.599215] BUG: using smp_processor_id() in preemptible [00000000] code:
> systemd-udevd/389
> [ 11.599218] caller is debug_smp_processor_id+0x17/0x20
> [ 11.599220] CPU: 4 PID: 389 Comm: systemd-udevd Not tainted 4.7.0-rc2 #6
> [ 11.599220] Hardware name: Gigabyte Technology Co., Ltd. H87-HD3/H87-HD3,
> BIOS F10 08/18/2015
> [ 11.599223] 0000000000000000 ffff88080466b6c8 ffffffff813fc42d
> 0000000000000004
> [ 11.599224] ffffffff81cc1da3 ffff88080466b6f8 ffffffff8141a0f6
> 0000000000000000
> [ 11.599226] ffff880809fe8d98 0000000000000001 00000000000fffff
> ffff88080466b708
> [ 11.599226] Call Trace:
> [ 11.599229] [<ffffffff813fc42d>] dump_stack+0x4f/0x72
> [ 11.599231] [<ffffffff8141a0f6>] check_preemption_disabled+0xd6/0xe0
> [ 11.599233] [<ffffffff8141a117>] debug_smp_processor_id+0x17/0x20
> [ 11.599235] [<ffffffff814f0336>] alloc_iova_fast+0xb6/0x210
> [ 11.599238] [<ffffffff819ed64f>] ? __wait_on_bit+0x6f/0x90
> [ 11.599240] [<ffffffff814f388d>] intel_alloc_iova+0x9d/0xd0
> [ 11.599241] [<ffffffff814f7c33>] __intel_map_single+0x93/0x190
> [ 11.599242] [<ffffffff814f7d64>] intel_map_page+0x34/0x40
>
> Please see https://bugzilla.kernel.org/show_bug.cgi?id=119801 for a
> more complete kernel-log
This looks like a bug in the memory management subsystem. It should be
reported on the linux-mm mailing list (CC'ed).
Alan Stern
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^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: BUG: using smp_processor_id() in preemptible [00000000] code]
2016-06-09 18:14 ` BUG: using smp_processor_id() in preemptible [00000000] code] Alan Stern
@ 2016-06-09 19:10 ` Nadav Amit
2016-06-13 13:06 ` M G Berberich
0 siblings, 1 reply; 7+ messages in thread
From: Nadav Amit @ 2016-06-09 19:10 UTC (permalink / raw)
To: iommu, Adam Morrison, M G Berberich; +Cc: USB list, linux-mm, Alan Stern
Alan Stern <stern@rowland.harvard.edu> wrote:
> On Thu, 9 Jun 2016, M G Berberich wrote:
>
>> Hello,
>>
>> With 4.7-rc2, after detecting a USB Mass Storage device
>>
>> [ 11.589843] usb-storage 4-2:1.0: USB Mass Storage device detected
>>
>> a constant flow of kernel-BUGS is reported (several per second).
>>
>> [ 11.599215] BUG: using smp_processor_id() in preemptible [00000000] code:
>> systemd-udevd/389
>> [ 11.599218] caller is debug_smp_processor_id+0x17/0x20
>> [ 11.599220] CPU: 4 PID: 389 Comm: systemd-udevd Not tainted 4.7.0-rc2 #6
>> [ 11.599220] Hardware name: Gigabyte Technology Co., Ltd. H87-HD3/H87-HD3,
>> BIOS F10 08/18/2015
>> [ 11.599223] 0000000000000000 ffff88080466b6c8 ffffffff813fc42d
>> 0000000000000004
>> [ 11.599224] ffffffff81cc1da3 ffff88080466b6f8 ffffffff8141a0f6
>> 0000000000000000
>> [ 11.599226] ffff880809fe8d98 0000000000000001 00000000000fffff
>> ffff88080466b708
>> [ 11.599226] Call Trace:
>> [ 11.599229] [<ffffffff813fc42d>] dump_stack+0x4f/0x72
>> [ 11.599231] [<ffffffff8141a0f6>] check_preemption_disabled+0xd6/0xe0
>> [ 11.599233] [<ffffffff8141a117>] debug_smp_processor_id+0x17/0x20
>> [ 11.599235] [<ffffffff814f0336>] alloc_iova_fast+0xb6/0x210
>> [ 11.599238] [<ffffffff819ed64f>] ? __wait_on_bit+0x6f/0x90
>> [ 11.599240] [<ffffffff814f388d>] intel_alloc_iova+0x9d/0xd0
>> [ 11.599241] [<ffffffff814f7c33>] __intel_map_single+0x93/0x190
>> [ 11.599242] [<ffffffff814f7d64>] intel_map_page+0x34/0x40
>>
>> Please see https://bugzilla.kernel.org/show_bug.cgi?id=119801 for a
>> more complete kernel-log
>
> This looks like a bug in the memory management subsystem. It should be
> reported on the linux-mm mailing list (CC'ed).
This bug is IOMMU related (mailing list CC’ed) and IIUC already fixed.
Regards,
Nadav
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^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: BUG: using smp_processor_id() in preemptible [00000000] code]
@ 2016-06-13 13:06 ` M G Berberich
0 siblings, 0 replies; 7+ messages in thread
From: M G Berberich @ 2016-06-13 13:06 UTC (permalink / raw)
To: Nadav Amit; +Cc: iommu, Adam Morrison, USB list, linux-mm, Alan Stern
Hello,
Am Donnerstag, den 09. Juni schrieb Nadav Amit:
> Alan Stern <stern@rowland.harvard.edu> wrote:
>
> > On Thu, 9 Jun 2016, M G Berberich wrote:
> >
> >> With 4.7-rc2, after detecting a USB Mass Storage device
> >>
> >> [ 11.589843] usb-storage 4-2:1.0: USB Mass Storage device detected
> >>
> >> a constant flow of kernel-BUGS is reported (several per second).
[a?|]
> > This looks like a bug in the memory management subsystem. It should be
> > reported on the linux-mm mailing list (CC'ed).
>
> This bug is IOMMU related (mailing list CCa??ed) and IIUC already fixed.
Not fixed in 4.7-rc3
MfG
bmg
--
a??Des is vA?llig wurscht, was heut beschlos- | M G Berberich
sen wird: I bin sowieso dagegn!a?? | mail@m-berberich.de
(SPD-Stadtrat Kurt Schindler; Regensburg) |
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^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: BUG: using smp_processor_id() in preemptible [00000000] code]
@ 2016-06-13 13:06 ` M G Berberich
0 siblings, 0 replies; 7+ messages in thread
From: M G Berberich @ 2016-06-13 13:06 UTC (permalink / raw)
To: Nadav Amit
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA, Adam Morrison,
USB list, linux-mm-Bw31MaZKKs3YtjvyW6yDsg, Alan Stern
Hello,
Am Donnerstag, den 09. Juni schrieb Nadav Amit:
> Alan Stern <stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org> wrote:
>
> > On Thu, 9 Jun 2016, M G Berberich wrote:
> >
> >> With 4.7-rc2, after detecting a USB Mass Storage device
> >>
> >> [ 11.589843] usb-storage 4-2:1.0: USB Mass Storage device detected
> >>
> >> a constant flow of kernel-BUGS is reported (several per second).
[…]
> > This looks like a bug in the memory management subsystem. It should be
> > reported on the linux-mm mailing list (CC'ed).
>
> This bug is IOMMU related (mailing list CC’ed) and IIUC already fixed.
Not fixed in 4.7-rc3
MfG
bmg
--
„Des is völlig wurscht, was heut beschlos- | M G Berberich
sen wird: I bin sowieso dagegn!“ | mail@m-berberich.de
(SPD-Stadtrat Kurt Schindler; Regensburg) |
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^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: BUG: using smp_processor_id() in preemptible [00000000] code]
2016-06-13 13:06 ` M G Berberich
(?)
@ 2016-06-13 13:11 ` Adam Morrison
2016-06-14 9:08 ` M G Berberich
-1 siblings, 1 reply; 7+ messages in thread
From: Adam Morrison @ 2016-06-13 13:11 UTC (permalink / raw)
To: M G Berberich; +Cc: Nadav Amit, iommu, USB list, linux-mm, Alan Stern
Hi,
On Mon, Jun 13, 2016 at 4:06 PM, M G Berberich
<berberic@fmi.uni-passau.de> wrote:
> Hello,
>
>> >> With 4.7-rc2, after detecting a USB Mass Storage device
>> >>
>> >> [ 11.589843] usb-storage 4-2:1.0: USB Mass Storage device detected
>> >>
>> >> a constant flow of kernel-BUGS is reported (several per second).
>
> […]
>
>> > This looks like a bug in the memory management subsystem. It should be
>> > reported on the linux-mm mailing list (CC'ed).
>>
>> This bug is IOMMU related (mailing list CC’ed) and IIUC already fixed.
>
> Not fixed in 4.7-rc3
These patches should fix the issue:
https://lkml.org/lkml/2016/6/1/310
https://lkml.org/lkml/2016/6/1/311
I'm not sure why they weren't applied... will ping the maintainers.
--
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^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: BUG: using smp_processor_id() in preemptible [00000000] code]
2016-06-13 13:11 ` Adam Morrison
@ 2016-06-14 9:08 ` M G Berberich
0 siblings, 0 replies; 7+ messages in thread
From: M G Berberich @ 2016-06-14 9:08 UTC (permalink / raw)
To: Adam Morrison; +Cc: Nadav Amit, iommu, USB list, linux-mm, Alan Stern
Hello,
Am Montag, den 13. Juni schrieb Adam Morrison:
> On Mon, Jun 13, 2016 at 4:06 PM, M G Berberich
> <berberic@fmi.uni-passau.de> wrote:
>
> > Hello,
> >
> >> >> With 4.7-rc2, after detecting a USB Mass Storage device
> >> >>
> >> >> [ 11.589843] usb-storage 4-2:1.0: USB Mass Storage device detected
> >> >>
> >> >> a constant flow of kernel-BUGS is reported (several per second).
> >
> > [a?|]
> >
> >> > This looks like a bug in the memory management subsystem. It should be
> >> > reported on the linux-mm mailing list (CC'ed).
> >>
> >> This bug is IOMMU related (mailing list CCa??ed) and IIUC already fixed.
> >
> > Not fixed in 4.7-rc3
>
> These patches should fix the issue:
>
> https://lkml.org/lkml/2016/6/1/310
> https://lkml.org/lkml/2016/6/1/311
FYIO: They do, indeed.
> I'm not sure why they weren't applied... will ping the maintainers.
MfG
bmg
--
a??Des is vA?llig wurscht, was heut beschlos- | M G Berberich
sen wird: I bin sowieso dagegn!a?? | mail@m-berberich.de
(SPD-Stadtrat Kurt Schindler; Regensburg) |
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^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: BUG: using smp_processor_id() in preemptible [00000000] code]
@ 2016-06-14 9:08 ` M G Berberich
0 siblings, 0 replies; 7+ messages in thread
From: M G Berberich @ 2016-06-14 9:08 UTC (permalink / raw)
To: Adam Morrison; +Cc: Nadav Amit, iommu, USB list, linux-mm, Alan Stern
Hello,
Am Montag, den 13. Juni schrieb Adam Morrison:
> On Mon, Jun 13, 2016 at 4:06 PM, M G Berberich
> <berberic@fmi.uni-passau.de> wrote:
>
> > Hello,
> >
> >> >> With 4.7-rc2, after detecting a USB Mass Storage device
> >> >>
> >> >> [ 11.589843] usb-storage 4-2:1.0: USB Mass Storage device detected
> >> >>
> >> >> a constant flow of kernel-BUGS is reported (several per second).
> >
> > […]
> >
> >> > This looks like a bug in the memory management subsystem. It should be
> >> > reported on the linux-mm mailing list (CC'ed).
> >>
> >> This bug is IOMMU related (mailing list CC’ed) and IIUC already fixed.
> >
> > Not fixed in 4.7-rc3
>
> These patches should fix the issue:
>
> https://lkml.org/lkml/2016/6/1/310
> https://lkml.org/lkml/2016/6/1/311
FYIO: They do, indeed.
> I'm not sure why they weren't applied... will ping the maintainers.
MfG
bmg
--
„Des is völlig wurscht, was heut beschlos- | M G Berberich
sen wird: I bin sowieso dagegn!“ | mail@m-berberich.de
(SPD-Stadtrat Kurt Schindler; Regensburg) |
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^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2016-06-14 9:08 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <20160609172444.GB6277@invalid>
2016-06-09 18:14 ` BUG: using smp_processor_id() in preemptible [00000000] code] Alan Stern
2016-06-09 19:10 ` Nadav Amit
2016-06-13 13:06 ` M G Berberich
2016-06-13 13:06 ` M G Berberich
2016-06-13 13:11 ` Adam Morrison
2016-06-14 9:08 ` M G Berberich
2016-06-14 9:08 ` M G Berberich
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