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Old 09-02-2012, 03:22 PM
Andreas Pflug
 
Default Bug#686517: initramfs-tools: module bridge loaded although blacklisted

Package: initramfs-tools
Version: 0.99~bpo60+1
Severity: normal

Dear Maintainer,
in order to run openvswitch as bridge replacement, I tried to disable the kernel bridge module the usual way: I created a file /etc/modprobe.d/bridge.conf with the content "blacklist bridge"
Then I ran update-initramfs
The freshly booted machine still had bridge loaded, which interferes with openvswitch working, especially brcompat.
I had to remove the kernel module, depmod and update-initramfs to get rid of bridge.

I suspect initramfs-tools to ignore the blacklist, because when I just removed the module but didn't run update-initramfs I saw the log message "bridge not found".

-- Package-specific info:
-- initramfs sizes
-- /proc/cmdline
placeholder root=UUID=582f6350-7bb1-4dc8-b254-5755e515b48c ro quiet

-- /proc/filesystems
ext3
ext4
fuseblk
iso9660

-- lsmod
Module Size Used by
nls_utf8 12456 0
loop 22699 0
isofs 35000 0
dm_round_robin 12644 1
xen_gntdev 12953 0
xen_evtchn 12874 1
xenfs 17607 1
ib_iser 31570 0
rdma_cm 31343 1 ib_iser
ib_cm 30983 1 rdma_cm
iw_cm 13052 1 rdma_cm
ib_sa 26388 2 rdma_cm,ib_cm
ib_mad 35863 2 ib_cm,ib_sa
ib_core 48070 6 ib_iser,rdma_cm,ib_cm,iw_cm,ib_sa,ib_mad
ib_addr 12838 1 rdma_cm
iscsi_tcp 17628 3
libiscsi_tcp 17399 1 iscsi_tcp
libiscsi 35739 3 ib_iser,iscsi_tcp,libiscsi_tcp
scsi_transport_iscsi 39200 4 ib_iser,iscsi_tcp,libiscsi
crc32c 12656 4
drbd 191530 5
lru_cache 12880 1 drbd
cn 12933 1 drbd
iptable_filter 12536 1
ip_tables 21818 1 iptable_filter
x_tables 18918 2 iptable_filter,ip_tables
brcompat_mod 13005 0
openvswitch_mod 67502 2 brcompat_mod
fuse 61427 1
nfsd 218618 2
nfs 313304 0
lockd 66785 2 nfsd,nfs
fscache 36129 1 nfs
auth_rpcgss 36848 2 nfsd,nfs
nfs_acl 12511 2 nfsd,nfs
sunrpc 175670 6 nfsd,nfs,lockd,auth_rpcgss,nfs_acl
ext4 355363 1
jbd2 60877 1 ext4
crc16 12343 1 ext4
dm_multipath 21939 2 dm_round_robin
scsi_dh 13236 1 dm_multipath
blktap 23825 0
iscsi_trgt 72390 4
tpm_tis 17315 0
tpm 17841 1 tpm_tis
tpm_bios 12903 1 tpm
sp5100_tco 12864 0
amd64_edac_mod 22038 0
k10temp 12611 0
snd_pcm 67465 0
snd_timer 22658 1 snd_pcm
snd 52458 2 snd_pcm,snd_timer
soundcore 13014 1 snd
snd_page_alloc 12969 1 snd_pcm
i2c_piix4 12536 0
pcspkr 12579 0
edac_core 35035 4 amd64_edac_mod
edac_mce_amd 17103 1 amd64_edac_mod
evdev 17512 0
joydev 17138 0
i2c_core 23766 1 i2c_piix4
processor 27588 0
thermal_sys 17992 1 processor
button 12895 0
ext3 160741 1
jbd 55645 1 ext3
mbcache 12930 2 ext4,ext3
dm_mod 63050 19 dm_multipath
raid456 51931 1
async_raid6_recov 12507 1 raid456
async_pq 12559 2 raid456,async_raid6_recov
raid6_pq 86619 2 async_raid6_recov,async_pq
async_xor 12385 3 raid456,async_raid6_recov,async_pq
xor 12556 1 async_xor
async_memcpy 12350 2 raid456,async_raid6_recov
async_tx 12566 5 raid456,async_raid6_recov,async_pq,async_xor,async _memcpy
raid1 30440 2
md_mod 87021 5 raid456,raid1
sg 25769 0
sr_mod 21824 0
sd_mod 35644 17
cdrom 35139 1 sr_mod
crc_t10dif 12348 1 sd_mod
ata_generic 12479 0
usbhid 39946 0
hid 80937 1 usbhid
ohci_hcd 26311 0
ahci 24997 8
libahci 22714 1 ahci
pata_atiixp 12729 2
ehci_hcd 39586 0
libata 139579 4 ata_generic,ahci,libahci,pata_atiixp
scsi_mod 161684 9 ib_iser,iscsi_tcp,libiscsi,scsi_transport_iscsi,sc si_dh,sg,sr_mod,sd_mod,libata
e1000e 128116 0
usbcore 127444 4 usbhid,ohci_hcd,ehci_hcd
usb_common 12354 1 usbcore

-- /etc/initramfs-tools/modules
md_mod
raid1

-- /etc/initramfs-tools/initramfs.conf
MODULES=most
BUSYBOX=y
KEYMAP=n
COMPRESS=gzip
BOOT=local
DEVICE=
NFSROOT=auto

-- /etc/initramfs-tools/update-initramfs.conf
update_initramfs=yes
backup_initramfs=no

-- /proc/mdstat
Personalities : [raid1] [raid6] [raid5] [raid4]
md2 : active raid6 sdc3[0] sdb3[5] sda3[4] sdf3[6] sde3[2] sdd3[1]
3860166656 blocks super 1.2 level 6, 512k chunk, algorithm 2 [6/6] [UUUUUU]

md1 : active raid1 sdc2[0] sde2[2]
1951732 blocks super 1.2 [2/2] [UU]

md0 : active raid1 sdc1[0] sde1[2]
9763768 blocks super 1.2 [2/2] [UU]

unused devices: <none>

-- mkinitramfs hooks
/etc/initramfs-tools/hooks/:

/usr/share/initramfs-tools/hooks:
busybox
dmsetup
iscsi
keymap
klibc
lvm2
mdadm
thermal
udev


-- System Information:
Debian Release: 6.0.5
APT prefers stable
APT policy: (990, 'stable'), (100, 'stable-updates'), (100, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 3.2.0-0.bpo.2-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1)
Shell: /bin/sh linked to /bin/dash

Versions of packages initramfs-tools depends on:
ii cpio 2.11-4
ii findutils 4.4.2-1+b1
ii klibc-utils 1.5.20-1+squeeze1
ii module-init-tools 3.12-2
ii udev 164-3

Versions of packages initramfs-tools recommends:
ii busybox 1:1.17.1-8

Versions of packages initramfs-tools suggests:
ii bash-completion 1:2.0-1

-- no debconf information


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