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Message-ID: <CAErSpo4fUW24ShdyMHq_4CUk_EeK=uJiOTB+5fN1Ztr3cFW3hA@mail.gmail.com> Date: Thu, 10 Apr 2014 09:43:07 -0600 From: Bjorn Helgaas <bhelgaas@...gle.com> To: Baoquan He <bhe@...hat.com> Cc: storagedev@...com, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: hpsa driver bug crack kernel down! On Tue, Apr 8, 2014 at 8:39 PM, Baoquan He <bhe@...hat.com> wrote: > Hi, > > The kernel is 3.14.0+ which is pulled just now. > > > [ 18.402695] systemd[1]: Set hostname to > <hp-sl4545g7-01.rhts.eng.bos.redhat.com>. > [ 18.408456] random: systemd urandom read with 70 bits of entropy > available > [ 18md[1]: Expecting device > dev-mapper-rhel_hp\x2d\x2dsl4545g7\x2d\x2d01\x2droot.device... > Expecting device > dev-mapper-rhel_hp\x2d\x2dsl4545g7\...droot.device... > [ 18.860704] systemd[1]: Starting -.slice. > [ OK ] Created slice -.slice. > [ 18.866030] systemd[1]: Created slice -.slice. > [ 18.869466] systemd[1]: Starting System Slice. > [ OK ] Created slice System Sl 18.939116] systemd[1]: Created > slice System Slice. > [ 18.976213] systemd[1]: Starting Slices. > [ OK ] Reached target Slices. > [ 18.981154] systemd[1]: Reached target Slices. > [ 18.984183] systemd[1]: Starting Timers. > [ OK ] Reached target Timers. > [ 18.989161] systemd[1]: Reached target Timers. > [ 18.992004] systemd[1]: Starting Journal Socket. > [ OK ] Listening on Journal Socket. > [ 18.997174] systemd[1]: Listening on Journal Socket. > [ 19.000702] systemd[1]: Starting dracut cmdline hook... > Starting dracut cmdline hook... > [ 19.006697] systemd[1]: Started Load KernModules. > [ 19.110408] systemd[1]: Starting Setup Virtual Console... > Starting Setup Virtual Console... > [ 19.116652] systemd[1]: Starting Journal Service... > Starting Journal Service... > [ OK ] Started Journal Service. > [ 19.127172] systemd[1]: Started Journal Service. > [ OK ] Listening on udev Kernel Socket. > [ 19.141504] systemd-journald[281]: Vac[ OK ] Listening on udev > Control Socket. > [ OK ] Reached target Sockets. > Starting Create list of required static device nodes...rrent > kernel... > Starting Apply Kernel Variables... > [ OK ] Reached target Swap. > [ OK ] Reached target Local File Systems. > [ OK ] Started dracut cmdline hook. > [ OK ] Started Setup Virtual Console. > [ OK ] Started Apply Kernel Variables. > [ OK ] Started Create list of required static device nodes ...current > kernel. > Starting Create static device nodes in /dev... > Starting dracut pre-udev hook... > [ OK ] Started Create static device nodes in /dev. > [ 20.247819] device-mapper: uevent: version 1.0.3 > [ 20.251101] device-mapper: ioctl: 4.27.0-ioctl (2013-10-30) > initialised: dm-devel@...hat.com > [ OK ] Started dracut pre-udev hook. > Starting udev Kernel Device Manager... > [ 20.322923] systemd-udevd[335]: starting version 208 > [ OK ] Started udev Kernel Device Manager. > Starting udev Coldplug all Devices... > Mounting Configuration File System... > [ OK ] Mounted Configuration File System. > [ OK ] Started udev Coldplug all Devices. > Starting dracut initqueue hook... > [ OK ][1] HP HPSA Driver (v 3.4.4-1) > [ 20.832850] hpsa 0000:05:00.0: can't disable ASPM; OS doesn't have > ASPM control > Reached target System Initialization. > [ 20.875178] ACPI: PCI Interrupt Link [I0C0] enabled at IRQ 36 > [ 20.909000] hpsa 0000:05:00.0: MSIX > [ 20.911586] hpsa 0000:05:00.0: Logical aborts not supported > [ 20.916004] [drm] Initialized drm 1.1.0 20060810 > [ 20.936139] hpsa 0000:05:00.0: hpsa0: <0x323b> at IRQ 73 using DAC > [ 20.956967] BUG: unable to handle kernel NULL pointer dereference at > (null) > [ 20.956997] IP: [<ffffffffa004b97f>] > hpsa_enter_performant_mode+0x4ff/0x580 [hpsa] > [ 20.957003] PGD 0 > [ 20.957012] Oops: 0002 [#1] SMP > [ 20.957035] Modules linked in: drm(+) libata hpsa(+) i2c_core > dm_mirror dm_region_hash dm_log dm_mod > [ 20.957046] CPU: 10 PID: 341 Comm: systemd-udevd Not tainted 3.14.0+ > #28 > [ 20.957049] Hardware name: HP ProLiant SL4545 G7/, BIOS A31 > 12/08/2012 > [ 20.957055] task: ffff880824191b40 ti: ffff88082309c000 task.ti: > ffff88082309c000 > [ 20.957078] RIP: 0010:[<ffffffffa004b97f>] [<ffffffffa004b97f>] > hpsa_enter_performant_mode+0x4ff/0x580 [hpsa] > [ 20.957083] RSP: 0018:ffff88082309da18 EFLAGS: 00010297 > [ 20.957088] RAX: 0000000000000000 RBX: 000000007c000167 RCX: > 0000000000000004 > [ 20.957091] RDX: 000000000000 What happened with this original report? This looks like a different problem than the DMA fault reported by Davidlohr. I'd start by disassembling the hpsa module and matching the IP to a line. Documentation/oops-tracing.txt might have useful tips on how to do that. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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