On Wednesday, 13 September 2006 15:58, Rafael J. Wysocki wrote:
> On Tuesday, 12 September 2006 09:06, Andrew Morton wrote:
> >
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc6/2.6.18-rc6-mm2/
>
> 'rmmod ohci_hcd' causes the following oops to appear on my HPC 6325 every
> time (happens also on -rc6-mm1, does not happen on -rc7):
So far, I have verified that the problem already happened on -rc5-mm1.
Greetings,
Rafael
> Unable to handle kernel NULL pointer dereference at 0000000000000274 RIP:
> [<ffffffff8822c185>] :ohci_hcd:ohci_hub_status_data+0x25/0x27b
> PGD 35ca9067 PUD 369a4067 PMD 0
> Oops: 0000 [1] SMP
> last sysfs file: /devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies
> CPU 0
> Modules linked in: netconsole cpufreq_ondemand cpufreq_userspace cpufreq_powersa
> ve powernow_k8 freq_table button af_packet edd battery snd_pcm_oss snd_mixer_oss
> snd_seq snd_seq_device ac ip6t_REJECT xt_tcpudp ipt_REJECT xt_state iptable_man
> gle iptable_nat ip_nat iptable_filter ip6table_mangle ip_conntrack nfnetlink ip_
> tables ip6table_filter ip6_tables x_tables ipv6 loop dm_mod usbhid ff_memless hc
> i_usb bluetooth snd_hda_intel snd_hda_codec bcm43xx ohci1394 ohci_hcd shpchp pci
> _hotplug pcmcia ehci_hcd i2c_piix4 ieee1394 firmware_class ieee80211softmac usbc
> ore tg3 sdhci ieee80211 ieee80211_crypt mmc_core ide_cd k8temp yenta_socket rsrc
> _nonstatic pcmcia_core i2c_core hwmon snd_pcm snd_timer snd soundcore snd_page_a
> lloc cdrom ext3 jbd fan thermal processor atiixp ide_disk ide_core sg
> Pid: 3667, comm: rmmod Tainted: G M 2.6.18-rc6-mm2 #19
> RIP: 0010:[<ffffffff8822c185>] [<ffffffff8822c185>] :ohci_hcd:ohci_hub_status_d
> ata+0x25/0x27b
> RSP: 0018:ffffffff805c7e18 EFLAGS: 00010296
> RAX: 0000000000000000 RBX: ffff81003485c508 RCX: 0000000000000000
> RDX: 0000000000000064 RSI: ffffffff805c7e68 RDI: ffff81003485c640
> RBP: ffffffff805c7e58 R08: 0000000000000000 R09: ffff810037438138
> R10: ffffffff80701c40 R11: ffff81003263bc88 R12: ffff81003485c640
> R13: ffffffff805c7e68 R14: ffffc2000003c000 R15: ffff81003485c508
> FS: 00002ba0d06fa6d0(0000) GS:ffffffff8066f000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> CR2: 0000000000000274 CR3: 000000002f153000 CR4: 00000000000006e0
> Process rmmod (pid: 3667, threadinfo ffff81003263a000, task ffff81003697c810)
> Stack: ffffffff802813b0 ffffffff805c7e40 ffffffff80281258 ffff81003485c508
> ffff81003485c508 ffff81003485c508 ffffc2000003c000 ffffffff805c7e68
> ffffffff805c7ea8 ffffffff8818e03f 003d09e3f5998950 ffffffff80509860
> Call Trace:
> [<ffffffff8818e03f>] :usbcore:usb_hcd_poll_rh_status+0x40/0x13b
> [<ffffffff8822c01b>] :ohci_hcd:ohci_irq+0xcb/0x210
> [<ffffffff8818e78b>] :usbcore:usb_hcd_irq+0x2f/0x5f
> [<ffffffff8020ef13>] handle_IRQ_event+0x33/0x66
> [<ffffffff802af5f8>] handle_fasteoi_irq+0x9d/0xe3
> [<ffffffff80267c85>] do_IRQ+0x104/0x11f
> [<ffffffff80259621>] ret_from_intr+0x0/0xa
> DWARF2 unwinder stuck at ret_from_intr+0x0/0xa
>
> Leftover inexact backtrace:
>
> <IRQ> <EOI> [<ffffffff802ee4ac>] sysfs_hash_and_remove+0x9/0x137
> [<ffffffff802eed13>] sysfs_remove_file+0x10/0x12
> [<ffffffff8038baf7>] class_device_remove_file+0x12/0x14
> [<ffffffff8822aa02>] :ohci_hcd:ohci_stop+0xf5/0x17b
> [<ffffffff8818d9d2>] :usbcore:usb_remove_hcd+0xdc/0x114
> [<ffffffff8040f8eb>] klist_release+0x0/0x82
> [<ffffffff88197f45>] :usbcore:usb_hcd_pci_remove+0x1e/0x7d
> [<ffffffff803204d8>] pci_device_remove+0x25/0x3c
> [<ffffffff8038b1b5>] __device_release_driver+0x80/0x9c
> [<ffffffff8038b617>] driver_detach+0xac/0xee
> [<ffffffff8038ad92>] bus_remove_driver+0x75/0x98
> [<ffffffff8038b696>] driver_unregister+0x15/0x21
> [<ffffffff80320686>] pci_unregister_driver+0x13/0x8e
> [<ffffffff8822cd1c>] :ohci_hcd:ohci_hcd_pci_cleanup+0x10/0x12
> [<ffffffff8029b281>] sys_delete_module+0x1b5/0x1e6
> [<ffffffff8025910e>] system_call+0x7e/0x83
>
>
> Code: 8a 98 74 02 00 00 e8 d6 3b 03 f8 48 89 45 d0 41 8b 84 24 e4
> RIP [<ffffffff8822c185>] :ohci_hcd:ohci_hub_status_data+0x25/0x27b
> RSP <ffffffff805c7e18>
> CR2: 0000000000000274
> <0>Kernel panic - not syncing: Aiee, killing interrupt handler!
>
> where
>
> (gdb) l *ohci_hub_status_data+0x25
> 0x4185 is in ohci_hub_status_data (drivers/usb/host/ohci-hub.c:316).
> 311 struct ohci_hcd *ohci = hcd_to_ohci (hcd);
> 312 int i, changed = 0, length = 1;
> 313 int can_suspend;
> 314 unsigned long flags;
> 315
> 316 can_suspend = device_may_wakeup(&hcd->self.root_hub->dev);
> 317 spin_lock_irqsave (&ohci->lock, flags);
> 318
> 319 /* handle autosuspended root: finish resuming before
> 320 * letting khubd or root hub timer see state changes.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
