From: Jeff Moyer <jmoyer@redhat.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
linux-nvdimm <linux-nvdimm@ml01.01.org>,
linux-ext4 <linux-ext4@vger.kernel.org>,
Ross Zwisler <ross.zwisler@intel.com>
Subject: Re: dax pmd fault handler never returns to userspace
Date: Wed, 18 Nov 2015 13:30:57 -0500 [thread overview]
Message-ID: <x49poz7ma72.fsf@segfault.boston.devel.redhat.com> (raw)
In-Reply-To: <CAPcyv4grgkLTVHdGhVSOs1sXsiLQyB1ubcRvmhW=hMZnA9MnHQ@mail.gmail.com> (Dan Williams's message of "Wed, 18 Nov 2015 10:10:45 -0800")
Dan Williams <dan.j.williams@intel.com> writes:
> Hmm, a loop in the resource sibling list?
>
> What does /proc/iomem say?
Inline, below.
-Jeff
# cat /proc/iomem
00000000-00000fff : reserved
00001000-00092fff : System RAM
00093000-00093fff : reserved
00094000-0009ffff : System RAM
000a0000-000bffff : PCI Bus 0000:00
000c4000-000cbfff : PCI Bus 0000:00
000f0000-000fffff : System ROM
00100000-6b4fcfff : System RAM
01000000-0169edea : Kernel code
0169edeb-01b3507f : Kernel data
01cf5000-0200ffff : Kernel bss
6b4fd000-6b97cfff : reserved
6b97d000-6b97dfff : System RAM
6b97e000-6b9fefff : reserved
6b9ff000-76d48017 : System RAM
76d48018-76d4d457 : System RAM
76d4d458-76d4e017 : System RAM
76d4e018-76d7dc57 : System RAM
76d7dc58-76d7e017 : System RAM
76d7e018-76dadc57 : System RAM
76dadc58-76dae017 : System RAM
76dae018-76dddc57 : System RAM
76dddc58-76dde017 : System RAM
76dde018-76e0dc57 : System RAM
76e0dc58-76e0e017 : System RAM
76e0e018-76e18057 : System RAM
76e18058-76e19017 : System RAM
76e19018-76e21057 : System RAM
76e21058-76e22017 : System RAM
76e22018-76e7aa57 : System RAM
76e7aa58-76e7b017 : System RAM
76e7b018-76ed3a57 : System RAM
76ed3a58-76ed4017 : System RAM
76ed4018-76ef0457 : System RAM
76ef0458-784fefff : System RAM
784ff000-791fefff : reserved
791c9004-791c902f : APEI ERST
791ca000-791d9fff : APEI ERST
791ff000-7b5fefff : ACPI Non-volatile Storage
7b5ff000-7b7fefff : ACPI Tables
7b7ff000-7b7fffff : System RAM
7b800000-7bffffff : RAM buffer
80000000-8fffffff : PCI MMCONFIG 0000 [bus 00-ff]
80000000-8fffffff : reserved
90000000-c7ffbfff : PCI Bus 0000:00
90000000-92afffff : PCI Bus 0000:01
90000000-9000ffff : 0000:01:00.2
91000000-91ffffff : 0000:01:00.1
91000000-91ffffff : mgadrmfb_vram
92000000-927fffff : 0000:01:00.1
92800000-928fffff : 0000:01:00.2
92800000-928fffff : hpilo
92900000-929fffff : 0000:01:00.2
92900000-929fffff : hpilo
92a00000-92a7ffff : 0000:01:00.2
92a00000-92a7ffff : hpilo
92a80000-92a87fff : 0000:01:00.2
92a80000-92a87fff : hpilo
92a88000-92a8bfff : 0000:01:00.1
92a88000-92a8bfff : mgadrmfb_mmio
92a8c000-92a8c0ff : 0000:01:00.2
92a8c000-92a8c0ff : hpilo
92a8d000-92a8d1ff : 0000:01:00.0
92b00000-92bfffff : PCI Bus 0000:02
92b00000-92b3ffff : 0000:02:00.0
92b40000-92b7ffff : 0000:02:00.1
92b80000-92bbffff : 0000:02:00.2
92bc0000-92bfffff : 0000:02:00.3
93000000-950fffff : PCI Bus 0000:04
93000000-937fffff : 0000:04:00.0
93000000-937fffff : bnx2x
93800000-93ffffff : 0000:04:00.0
93800000-93ffffff : bnx2x
94000000-947fffff : 0000:04:00.1
94000000-947fffff : bnx2x
94800000-94ffffff : 0000:04:00.1
94800000-94ffffff : bnx2x
95000000-9500ffff : 0000:04:00.0
95000000-9500ffff : bnx2x
95010000-9501ffff : 0000:04:00.1
95010000-9501ffff : bnx2x
95080000-950fffff : 0000:04:00.0
95100000-951fffff : PCI Bus 0000:02
95100000-9510ffff : 0000:02:00.3
95100000-9510ffff : tg3
95110000-9511ffff : 0000:02:00.3
95110000-9511ffff : tg3
95120000-9512ffff : 0000:02:00.3
95120000-9512ffff : tg3
95130000-9513ffff : 0000:02:00.2
95130000-9513ffff : tg3
95140000-9514ffff : 0000:02:00.2
95140000-9514ffff : tg3
95150000-9515ffff : 0000:02:00.2
95150000-9515ffff : tg3
95160000-9516ffff : 0000:02:00.1
95160000-9516ffff : tg3
95170000-9517ffff : 0000:02:00.1
95170000-9517ffff : tg3
95180000-9518ffff : 0000:02:00.1
95180000-9518ffff : tg3
95190000-9519ffff : 0000:02:00.0
95190000-9519ffff : tg3
951a0000-951affff : 0000:02:00.0
951a0000-951affff : tg3
951b0000-951bffff : 0000:02:00.0
951b0000-951bffff : tg3
95200000-953fffff : PCI Bus 0000:03
95200000-952fffff : 0000:03:00.0
95200000-952fffff : hpsa
95300000-953003ff : 0000:03:00.0
95300000-953003ff : hpsa
95380000-953fffff : 0000:03:00.0
95400000-954007ff : 0000:00:1f.2
95400000-954007ff : ahci
95401000-954013ff : 0000:00:1d.0
95401000-954013ff : ehci_hcd
95402000-954023ff : 0000:00:1a.0
95402000-954023ff : ehci_hcd
95404000-95404fff : 0000:00:05.4
c7ffc000-c7ffcfff : dmar1
c8000000-fbffbfff : PCI Bus 0000:80
c8000000-c8000fff : 0000:80:05.4
fbffc000-fbffcfff : dmar0
fec00000-fecfffff : PNP0003:00
fec00000-fec003ff : IOAPIC 0
fec01000-fec013ff : IOAPIC 1
fec40000-fec403ff : IOAPIC 2
fed00000-fed003ff : HPET 0
fed00000-fed003ff : PNP0103:00
fed12000-fed1200f : pnp 00:01
fed12010-fed1201f : pnp 00:01
fed1b000-fed1bfff : pnp 00:01
fed1c000-fed3ffff : pnp 00:01
fed1f410-fed1f414 : iTCO_wdt.0.auto
fed45000-fed8bfff : pnp 00:01
fee00000-feefffff : pnp 00:01
fee00000-fee00fff : Local APIC
ff000000-ffffffff : pnp 00:01
100000000-47fffffff : System RAM
480000000-87fffffff : Persistent Memory
480000000-67fffffff : NVDM002C:00
480000000-67fffffff : btt0.1
680000000-87fffffff : NVDM002C:01
680000000-87fffffff : namespace1.0
880000000-c7fffffff : System RAM
c80000000-107fffffff : Persistent Memory
c80000000-e7fffffff : NVDM002C:02
c80000000-e7fffffff : namespace2.0
e80000000-107fffffff : NVDM002C:03
e80000000-107fffffff : btt3.1
38000000000-39fffffffff : PCI Bus 0000:00
39fffd00000-39fffefffff : PCI Bus 0000:04
39fffd00000-39fffd7ffff : 0000:04:00.1
39fffd80000-39fffdfffff : 0000:04:00.0
39fffe00000-39fffe1ffff : 0000:04:00.1
39fffe20000-39fffe3ffff : 0000:04:00.0
39ffff00000-39ffff0ffff : 0000:00:14.0
39ffff00000-39ffff0ffff : xhci-hcd
39ffff10000-39ffff13fff : 0000:00:04.7
39ffff10000-39ffff13fff : ioatdma
39ffff14000-39ffff17fff : 0000:00:04.6
39ffff14000-39ffff17fff : ioatdma
39ffff18000-39ffff1bfff : 0000:00:04.5
39ffff18000-39ffff1bfff : ioatdma
39ffff1c000-39ffff1ffff : 0000:00:04.4
39ffff1c000-39ffff1ffff : ioatdma
39ffff20000-39ffff23fff : 0000:00:04.3
39ffff20000-39ffff23fff : ioatdma
39ffff24000-39ffff27fff : 0000:00:04.2
39ffff24000-39ffff27fff : ioatdma
39ffff28000-39ffff2bfff : 0000:00:04.1
39ffff28000-39ffff2bfff : ioatdma
39ffff2c000-39ffff2ffff : 0000:00:04.0
39ffff2c000-39ffff2ffff : ioatdma
39ffff31000-39ffff310ff : 0000:00:1f.3
3a000000000-3bfffffffff : PCI Bus 0000:80
3bffff00000-3bffff03fff : 0000:80:04.7
3bffff00000-3bffff03fff : ioatdma
3bffff04000-3bffff07fff : 0000:80:04.6
3bffff04000-3bffff07fff : ioatdma
3bffff08000-3bffff0bfff : 0000:80:04.5
3bffff08000-3bffff0bfff : ioatdma
3bffff0c000-3bffff0ffff : 0000:80:04.4
3bffff0c000-3bffff0ffff : ioatdma
3bffff10000-3bffff13fff : 0000:80:04.3
3bffff10000-3bffff13fff : ioatdma
3bffff14000-3bffff17fff : 0000:80:04.2
3bffff14000-3bffff17fff : ioatdma
3bffff18000-3bffff1bfff : 0000:80:04.1
3bffff18000-3bffff1bfff : ioatdma
3bffff1c000-3bffff1ffff : 0000:80:04.0
3bffff1c000-3bffff1ffff : ioatdma
prev parent reply other threads:[~2015-11-18 18:30 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-18 15:53 dax pmd fault handler never returns to userspace Jeff Moyer
2015-11-18 15:56 ` Zwisler, Ross
2015-11-18 16:52 ` Dan Williams
2015-11-18 17:00 ` Ross Zwisler
2015-11-18 17:43 ` Jeff Moyer
2015-11-18 18:10 ` Dan Williams
2015-11-18 18:23 ` Ross Zwisler
2015-11-18 18:32 ` Jeff Moyer
2015-11-18 18:53 ` Ross Zwisler
2015-11-18 18:58 ` Dan Williams
2015-11-19 22:34 ` Dave Chinner
2015-11-18 21:33 ` Toshi Kani
2015-11-18 21:57 ` Dan Williams
2015-11-18 22:04 ` Toshi Kani
2015-11-19 0:36 ` Ross Zwisler
2015-11-19 0:39 ` Dan Williams
2015-11-19 1:05 ` Toshi Kani
2015-11-19 1:19 ` Dan Williams
2015-11-18 18:30 ` Jeff Moyer [this message]
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