From: Dan Williams <dan.j.williams@intel.com>
To: "Dorau, Lukasz" <lukasz.dorau@intel.com>
Cc: linux-nvdimm <linux-nvdimm@lists.01.org>
Subject: Re: nfit_test: issue #3: BUG: kernel NULL pointer dereference, address: 0000000000000018
Date: Thu, 12 Mar 2020 10:08:33 -0700 [thread overview]
Message-ID: <CAPcyv4gXZKPyqu+9JmWuivw4Yuc05_Q+bbcjRAsHK2PWKtjwjg@mail.gmail.com> (raw)
In-Reply-To: <SN6PR11MB2864BBFAA6EC62A7747F9E5D96FD0@SN6PR11MB2864.namprd11.prod.outlook.com>
On Thu, Mar 12, 2020 at 8:06 AM Dorau, Lukasz <lukasz.dorau@intel.com> wrote:
>
> Hi,
>
> [Resending the same, because the first e-mail got corrupted]
>
> I have inserted the 'nfit_test' module, removed it and reinserted it again (like in the previous e-mail " nfit_test: issue #2: modprobe: ERROR: could not insert 'nfit_test': Unknown symbol in module, or unknown parameter ") and called:
> $ ndctl disable-region all
> And got the following oops:
>
> [ 3079.971649] nfit_test: mcsafe_test: disabled, skip.
> [ 3080.030189] nfit_test nfit_test.0: failed to evaluate _FIT
> [ 3080.039150] nfit_test nfit_test.1: Error found in NVDIMM nmem4 flags: save_fail restore_fail flush_fail not_armed
> [ 3080.039159] nfit_test nfit_test.1: Error found in NVDIMM nmem5 flags: map_fail
> [ 3080.039696] nd_pmem namespace6.0: region6 read-only, marking pmem6 read-only
> [ 3080.039805] pmem6: detected capacity change from 0 to 33554432
> [ 3080.039806] pmem7: detected capacity change from 0 to 4194304
> [ 3080.243372] pmem7: detected capacity change from 0 to 4194304
> [ 3080.251781] nd_pmem namespace6.0: region6 read-only, marking pmem6 read-only
> [ 3080.251871] pmem6: detected capacity change from 0 to 33554432
> [ 3080.508112] BUG: kernel NULL pointer dereference, address: 0000000000000018
> [ 3080.508117] #PF: supervisor read access in kernel mode
> [ 3080.508118] #PF: error_code(0x0000) - not-present page
> [ 3080.508120] PGD 0 P4D 0
> [ 3080.508123] Oops: 0000 [#1] PREEMPT SMP PTI
> [ 3080.508126] CPU: 3 PID: 80123 Comm: pmempool Tainted: G O 5.5.8-arch1-1-bb #1
> [ 3080.508128] Hardware name: System manufacturer System Product Name/RAMPAGE IV EXTREME, BIOS 4701 11/18/2013
> [ 3080.508133] RIP: 0010:dev_dax_huge_fault+0x2b3/0x570 [device_dax]
If you force loaded a module with unresolved symbols all bets are off,
lets get "make TESTS=libndctl check" running cleanly before trying to
debug this report.
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next prev parent reply other threads:[~2020-03-12 17:08 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-12 14:59 nfit_test: issue #3: BUG: kernel NULL pointer dereference, address: 0000000000000018 Dorau, Lukasz
2020-03-12 15:06 ` Dorau, Lukasz
2020-03-12 17:08 ` Dan Williams [this message]
2020-03-13 10:06 ` Dorau, Lukasz
2020-03-13 15:49 ` Dan Williams
2020-03-16 8:58 ` Dorau, Lukasz
2020-03-17 8:26 ` Dan Williams
2020-03-17 9:09 ` Dorau, Lukasz
2020-03-17 16:14 ` Dan Williams
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