From: Wim Osterholt <wim@djo.tudelft.nl>
To: Oliver Neukum <oneukum@suse.com>
Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
Wim Osterholt <wim@djo.tudelft.nl>
Subject: Re: crash by cdc_acm driver in kernels 4.8-rc1/5
Date: Thu, 29 Sep 2016 15:26:12 +0200 [thread overview]
Message-ID: <20160929132612.GA7313@djo.tudelft.nl> (raw)
In-Reply-To: <1475076210.4635.18.camel@suse.com>
On Wed, Sep 28, 2016 at 05:23:30PM +0200, Oliver Neukum wrote:
> >
> > HP src # sync
> > HP src # [ 3744.914184] BUG: unable to handle kernel NULL pointer dereference at 00000249
>
> The last view lines before that please with the debugging level ramped
> up to 9 please.
Recompiled again, double checked if it was really the new module.
That doesn't seem to make any difference at all.
[ 549.238494] sysrq: SysRq : Changing Loglevel
[ 549.265916] sysrq: Loglevel set to 9
[ 549.363794] usbcore: registered new interface driver cdc_acm
[ 549.429906] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
[ 550.941964] usb 6-1: new full-speed USB device number 2 using uhci_hcd
[ 551.148944] usb 6-1: New USB device found, idVendor=0572, idProduct=1340
[ 551.149975] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 551.153974] usb 6-1: Product: USB Modem
[ 551.157969] usb 6-1: Manufacturer: Conexant
[ 551.161969] usb 6-1: SerialNumber: 12345678
[ 551.171006] cdc_acm:acm_probe: cdc_acm 6-1:1.0: interfaces are valid
[ 551.173997] BUG: unable to handle kernel NULL pointer dereference at 00000249
[ 551.177957] IP: [<e0826cb6>] acm_probe+0x52d/0xced [cdc_acm]
[ 551.177957] *pde = 00000000
[ 551.177957] Oops: 0000 [#1] SMP
[ 551.177957] Modules linked in: cdc_acm nouveau video drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm agpgart i2c_algo_bit cfg80211 rfkill binfmt_misc svgalib_helper(O) snd_pcm_oss snd_mixer_oss fbcon bitblit softcursor font tileblit sr9700 snd_hda_codec_generic dm9601 snd_hda_intel usbnet usb_storage mii snd_hda_codec snd_hwdep tg3 snd_hda_core ptp pps_core snd_pcm gpio_ich libphy snd_timer lpc_ich ppdev firmware_class pcspkr mfd_core snd ohci_pci ohci_hcd uhci_hcd wmi floppy parport_pc soundcore ehci_pci parport acpi_cpufreq ehci_hcd button processor
[ 551.177957] CPU: 0 PID: 725 Comm: kworker/0:2 Tainted: G O 4.8.0-rc8 #1
....
Regards, Wim.
next prev parent reply other threads:[~2016-09-29 13:26 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-08 11:58 Wim Osterholt
2016-09-08 12:20 ` Oliver Neukum
2016-09-08 12:58 ` Wim Osterholt
2016-09-08 13:05 ` Oliver Neukum
2016-09-08 15:00 ` Wim Osterholt
2016-09-08 16:54 ` Wim Osterholt
2016-09-09 13:24 ` Wim Osterholt
2016-09-12 2:43 ` Wim Osterholt
2016-09-20 13:05 ` Oliver Neukum
2016-09-20 15:45 ` Wim Osterholt
2016-09-21 12:21 ` Oliver Neukum
2016-09-21 16:21 ` Wim Osterholt
2016-09-21 16:41 ` Wim Osterholt
2016-09-22 14:40 ` Oliver Neukum
2016-09-22 17:56 ` Wim Osterholt
2016-09-22 19:21 ` Wim Osterholt
2016-09-23 10:04 ` Wim Osterholt
2016-09-27 16:34 ` Wim Osterholt
2016-09-28 9:16 ` Oliver Neukum
2016-09-28 14:46 ` Wim Osterholt
2016-09-28 15:08 ` Wim Osterholt
2016-09-28 15:23 ` Oliver Neukum
2016-09-29 13:26 ` Wim Osterholt [this message]
2016-10-06 10:53 ` Oliver Neukum
2016-10-17 14:10 ` Oliver Neukum
2016-10-17 15:20 ` Wim Osterholt
2016-10-18 12:18 ` Oliver Neukum
2016-10-18 14:51 ` Wim Osterholt
2016-11-05 13:34 ` Wim Osterholt
2016-11-15 0:16 ` Wim Osterholt
2016-11-15 11:07 ` Oliver Neukum
2016-11-15 11:26 ` poma
2016-11-15 13:29 ` Wim Osterholt
2016-11-16 12:34 ` Oliver Neukum
2016-11-16 15:07 ` Wim Osterholt
2016-11-17 1:57 ` Wim Osterholt
2016-11-17 9:14 ` Wim Osterholt
2016-11-17 16:11 ` Wim Osterholt
2016-11-21 13:19 ` Oliver Neukum
2016-11-21 15:58 ` Wim Osterholt
2016-11-21 20:23 ` Wim Osterholt
2016-11-21 23:49 ` poma
2016-11-22 17:50 ` Bjørn Mork
2016-11-23 0:48 ` Wim Osterholt
2016-11-22 15:38 ` Wim Osterholt
2016-11-22 18:08 ` Bjørn Mork
2016-11-23 0:54 ` Wim Osterholt
2016-11-23 7:37 ` Bjørn Mork
2016-11-23 15:02 ` Alan Stern
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