From: Paul Menzel <paul.menzel@giantmonkey.de>
To: Ben Hutchings <ben@decadent.org.uk>
Cc: "James E. J. Bottomley" <JBottomley@odin.com>,
AlanStern <stern@rowland.harvard.edu>,
linux-scsi@vger.kernel.org, 801925@bugs.debian.org
Subject: Re: NULL pointer dereference: IP: [<f828a00c>] sr_runtime_suspend+0xc/0x20 [sr_mod]
Date: Sat, 31 Oct 2015 10:39:10 +0100 [thread overview]
Message-ID: <1446284350.4085.6.camel@giantmonkey.de> (raw)
In-Reply-To: <1445305159.2561.16.camel@decadent.org.uk>
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Control: notfound -1 3.19-1~exp1
Control: found -1 4.2.5-1
Am Dienstag, den 20.10.2015, 02:39 +0100 schrieb Ben Hutchings:
> On Fri, 2015-10-16 at 09:54 +0200, Paul Menzel wrote:
> [...]
> > > BUG: unable to handle kernel NULL pointer dereference at 00000014
> > > IP: [] sr_runtime_suspend+0xc/0x20 [sr_mod]
> > > *pdpt = 000000003696e001 *pde = 000000000000000000
> > > Oops: 0000 [#1] SMB
> > > Modules linked in: sd_mod(+) sr_mod(+) cdrom ata_generic ohci_pci ahci libahci pata_amd firwire_ohci firewire_core crc_iti_t forcedeth libata scsi_mod ohci_hcd ehci_pci ehci_hcd usbcore usb_common fan thermal thermal_sys floppy(+)
> > > CPU: 1 PID: 73 Comm: systemd-udevd Not tainted 4.2.0-1-686-pae #1 Debian 4.2.3-1
> > > Hardware name: Packard Bell imedia S3210/WMCP78M, BIOs P01-B2 11/06/2009
> > > task: f68dd040 ti: f6988000 task.ti: f6988000
> > > EIP: 0060:[] EFLAGS: 00010246 CPU: 1
> > > EIP is at sr_runtime_suspend+0xc/0x20 [sr_mod]
> > > EAX: 00000000 EBX: f6a30cd8 ECX: f6c03d2c EDX: 00000000
> > > ESI: 00000000 EDI: f828e100 EBP: f6989ba8 ESP: f6989b88
> > > DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
> > > CR0: 8005003b CR2: 00000014 CR3: 3696d780 CR4: 000006f0
> > > Stack:
> > > af83346c3 00000000 00000001 fffffff5 f6a7d150 f6a30cd8 f6a30d3c 00000000
> > > f6989bbc c1390cb7 f6a30cd8 f8334660 00000000 f6989bd0 c1390d0f f6a30cd8
> > > f8334660 00000000 f6989c0c c13916cb f694a614 f68dd040 00000000 00000008
> > > Call Trace:
> > > […] ? scsi_runtime_suspend+0x63/0xa0 [scsi_mod]
> > > […] ? __rpm_callback+0x27/0x60
> > > […]
> [...]
> > Ben Hutchings asked me to test the patch below to get more debug
> > information.
> [...]
>
> Well, that didn't help much. Paul hit another oops, this time in
> sd_mod but again apparently related to runtime PM. My patch only
> touched sr_mod.
>
> This time he sent photos of the complete oops; see
> <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=801925;filename=20151020_005.jpg;att=4;msg=15>
> and
> <https://bugs.debian.org/cgi-bin/bugreport.cgi?filename=20151020_006.jpg;bug=801925;att=3;msg=15>
after backing up my data, I tested a little bit more, and using Linux
3.19 the drive is detected and the system boots.
Does anything stand out what changed in this area between Linux 3.19 and
4.1?
Thanks
Paul
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next prev parent reply other threads:[~2015-10-31 9:39 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-16 1:05 NULL pointer dereference: IP: [<f828a00c>] sr_runtime_suspend+0xc/0x20 [sr_mod] Paul Menzel
2015-10-16 7:54 ` Paul Menzel
2015-10-16 8:52 ` Paul Menzel
2015-10-20 1:39 ` Ben Hutchings
2015-10-31 9:39 ` Paul Menzel [this message]
2015-11-01 1:56 ` Alan Stern
2015-11-01 2:05 ` Alan Stern
2016-01-09 15:23 ` Paul Menzel
2016-01-09 16:36 ` Alan Stern
2016-01-10 11:44 ` Erich Schubert
2016-01-10 15:32 ` Alan Stern
[not found] <CAGKbab941Nh7Sy1NTZC6ySxG_P5g7HpjATQ_GSCvDY8y=qgmHA@mail.gmail.com>
2016-01-19 16:38 ` Alan Stern
2016-01-19 16:52 ` Paul Menzel
2016-01-19 21:08 ` Alan Stern
2016-01-19 23:20 ` Paul Menzel
2016-01-20 22:07 ` Alexandre Rossi
2016-02-09 16:47 ` Paul Menzel
2016-02-09 19:56 ` Alexandre Rossi
2016-02-09 20:51 ` Ben Hutchings
2016-02-18 16:27 ` Alan Stern
2016-02-22 23:15 ` Alexandre Rossi
2016-02-23 15:14 ` Alan Stern
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