From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Menzel Subject: NULL pointer dereference: IP: [] sr_runtime_suspend+0xc/0x20 [sr_mod] Date: Fri, 16 Oct 2015 03:05:47 +0200 Message-ID: <1444957547.1325.2.camel@giantmonkey.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-Q5gyE3KCe38VUgB2mrh4" Return-path: Received: from mail-lf0-f42.google.com ([209.85.215.42]:35493 "EHLO mail-lf0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751968AbbJPBGD (ORCPT ); Thu, 15 Oct 2015 21:06:03 -0400 Received: by lffy185 with SMTP id y185so58266104lff.2 for ; Thu, 15 Oct 2015 18:06:00 -0700 (PDT) Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org Cc: "James E. J. Bottomley" --=-Q5gyE3KCe38VUgB2mrh4 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Dear Linux SCSI folks, using Debian Sid/unstable with Linux 4.2.3-1 upgrading from systemd 227-1 to 227-2 [1] and other packages, the system doesn=E2=80=99t start up anymore and the /dev/md1 device doesn=E2=80=99t seem to be found and I am dropped into shell from initramfs (BusyBox). Only having wireless LAN and no serial or USB debug capabilities, and mount a USB storage device did not work, I manually copied the beginning of the Oops. ``` BUG: unable to handle kernel NULL pointer dereference at 00000014 IP: [] sr_runtime_suspend+0xc/0x20 [sr_mod] *pdpt =3D 000000003696e001 *pde =3D 000000000000000000 Oops: 0000 [#1] SMB Modules linked in: sd_mod(+) sr_mod(+) cdrom ata_generic ohci_pci ahci liba= hci 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 flop= py(+) 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: [=E2=80=A6] ? scsi_runtime_suspend+0x63/0xa0 [scsi_mod] [=E2=80=A6] ? __rpm_callback+0x27/0x60 [=E2=80=A6] ``` I tried also to boot with Linux 4.1 and it fails the same way. Is that a known problem and has been fixed in the mean time? It=E2=80=99d b= e great if you helped me getting the system to boot again. Please tell me if you need more information to debug this issue and I=E2=80=99ll do my bes= t to get it. Thanks, Paul [1] http://metadata.ftp-master.debian.org/changelogs//main/s/systemd/system= d_227-2_changelog --=20 GPG-Schl=C3=BCssel: 33623E9B Fingerabdruck =3D 0EB1 649D 4361 D04F 3C70 6F71 4DD7 BF75 3362 3E9B Giant Monkey Software Engineering GmbH Brunnenstr. 7D 10119 Berlin Mitte Gesch=C3=A4ftsf=C3=BChrer Adrian Fuhrmann, Lion Vollnhals und Paul Menzel USt-IdNr.: DE281524720 HRB 139495 B Amtsgericht Charlottenburg --=-Q5gyE3KCe38VUgB2mrh4 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJWIE11AAoJEE3Xv3UzYj6brp0P/1RRcaX2ypxvWgv++DCgKdx/ fdiCC/uub5OLWY7yslVXgNCe4yw5FrXfVcJZ9rLNGdx7QKWlq9bqHcJGdfcDQiWW wAc1gheIH8Isj1oS755Deh+04W/RxmO4ttQCYoTslo440GaDuDTHsOTG8QdlNZ4t rC+S1UhJJvfk4yCgifeAt+5zSqSNV2y7mnmE1cE76A4lcJsGHEXaBqWXQBt6T5Dt QT7PUlgU3l0Chm8wKbPCK2IsNAbl7Kbc2DNIC9fVkFCrJgEMSFKRdXumIiCHpVkp 766znk9ziBcPiCS+bBrZktR4m7K/RFY3rY3G9sBXDZBQW3xSdnn0bCu5RypFVnCD vy0Wy5bU/u/fQ4DI3gWHza7MMRKKhOF/NTPe80oDH2Xjc5FfqtdO9UivkOWeK9Q2 G+IgIPqDlNmp3VZOBSUEJgHBED47lkoFUK5I6qHjW9owy4mx73i0UgBPsyLQtNhD L9Yt/jv7/P6RzYYPR/NRTQHIajqE6B2gvHrQMNkJMXy7Vf0bmPgfx5IttPAOkn5Z fcxNhYp95RbK/qZf91ORYqwJI8m5h13CapYqHovvVcScRVVt7RzRZdj5EgIgSXQT 2TkqnWaO7StxsNxhISwZJdA68rQzqoTbBhBI5Ow1Ow1vTmDrcBiHkrjfx4u+TC7v U0N9+2Ye1AbNlqImpK7u =dWkC -----END PGP SIGNATURE----- --=-Q5gyE3KCe38VUgB2mrh4--