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Bug#598103: linux-image-2.6.32-5-openvz-amd64: Kernel warning when mii-tool called on downed interface (3c905C)



On Sun, 2010-09-26 at 15:05 +0100, Tim Small wrote:
> Package: linux-2.6
> Version: 2.6.32-23
> Severity: normal
> 
> 
> I have this in:
> 
> pre-up /sbin/mii-tool ethInet -F 10baseT-FD

This is easier to do with ethtool; see the README.Debian file in that
package.

> /etc/network/interfaces, on boot I get:
> 
> [    8.958841] ------------[ cut here ]------------
> [    8.960858] WARNING: at
> /tmp/buildd/linux-2.6-2.6.32/debian/build/source_amd64_openvz/kernel/softirq.c:145
> _local_bh_enable_ip+0x41/0x8f()
> [    8.963057] Hardware name: Studio XPS 8100
> [    8.965145] Modules linked in: bridge stp ext3 jbd ext2 coretemp loop
> dm_crypt snd_hda_codec_intelhdmi snd_hda_codec_realtek snd_hda_intel
> snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_
> oss snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event gspca_zc3xx
> gspca_main snd_seq radeon videodev v4l1_compat ttm snd_timer
> v4l2_compat_ioctl32 snd_seq_device drm_kms_helper joydev dc
> dbas pcspkr i2c_i801 snd evdev drm psmouse i2c_algo_bit serio_raw
> soundcore snd_page_alloc i2c_core button processor ext4 mbcache jbd2
> crc16 raid1 md_mod dm_mirror dm_region_hash dm_log dm
> _mod btrfs zlib_deflate crc32c libcrc32c sg sr_mod sd_mod cdrom
> crc_t10dif hid_microsoft usb_storage usbhid hid ahci broadcom libata tg3
> firewire_ohci libphy scsi_mod firewire_core crc_itu
> _t ehci_hcd 3c59x mii thermal usbcore thermal_sys nls_base [last
> unloaded: scsi_wait_scan]
> [    8.974905] Pid: 1548, comm: mii-tool Not tainted
> 2.6.32-5-openvz-amd64 #1
> [    8.977363] Call Trace:
> [    8.979924]  [<ffffffff8105303b>] ? _local_bh_enable_ip+0x41/0x8f
> [    8.982398]  [<ffffffff8105303b>] ? _local_bh_enable_ip+0x41/0x8f
> [    8.984828]  [<ffffffff8104ce60>] ? warn_slowpath_common+0x77/0xa3
> [    8.987235]  [<ffffffff8105303b>] ? _local_bh_enable_ip+0x41/0x8f
> [    8.989641]  [<ffffffffa004f663>] ? mdio_read+0x113/0x12e [3c59x]
> [    8.992037]  [<ffffffffa00494c6>] ? generic_mii_ioctl+0x65/0x101
> [mii]
> [    8.994548]  [<ffffffffa0051fa5>] ? vortex_ioctl+0x76/0xbe [3c59x]
[...]

This is a known bug and normally harmless, but I'll pull in the fix
anyway.

Ben.

-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.

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