3.5-rcX : Big problem with root device returning

3.5-rcX : Big problem with root device returning

[werner]

There is a big problem since 3.5-rc1 which potentially 
mess the installations

rdev   don't give longer back the root device like 
/dev/sda1  , but in the bios form like 0x80010300

rdev is essential for the installation programs  and for 
the installation f.ex. of lilo .   It's not conveniente to 
rely on the bios numbers, because on some meinbords they 
change depending which boot order you select in BIOS, or 
only if you select another boot device in the bios boot 
menu with F12.   Whilst /dev/sdXY is more reliable.

   rdev is an old basical function which always worked 
correctly, until now.

The error starts with 3.5-rc1 and is not corrected until 
3.5-rc6 .    If I go back to an earlier kernel, 3.4 or 
older, then the same installation works correct (rdev 
gives /dev/sda1 ) and if I go back then again to 3.5-rcX 
it's again wrong (rdev gives 0x80010300).    Thus, this 
seems a wrong manner how the kernel gives back the root 
device,  or interact with rdev.      It's also possible 
that this problem happens only under any kernel 
compilation option,   so that below I give the differences 
in config between 3.4 and 3.5-rc1

This problem should be fixed most quickly,  rdev always 
have to work correctly.

wl


======================================
3c3
< # Linux/i386 3.5.0-rc1 Kernel Configuration
---
> # Linux/i386 3.4.0 Kernel Configuration
11a12,15
> CONFIG_GENERIC_CMOS_UPDATE=y
> CONFIG_CLOCKSOURCE_WATCHDOG=y
> CONFIG_GENERIC_CLOCKEVENTS=y
> CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
24a29
> CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
25a31
> # CONFIG_GENERIC_TIME_VSYSCALL is not set
42a49
> CONFIG_KTIME_SCALAR=y
44d50
< CONFIG_ARCH_SUPPORTS_UPROBES=y
48d53
< CONFIG_BUILDTIME_EXTABLE_SORT=y
100,113d104
< CONFIG_CLOCKSOURCE_WATCHDOG=y
< CONFIG_KTIME_SCALAR=y
< CONFIG_GENERIC_CLOCKEVENTS=y
< CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
< CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
< CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST=y
< CONFIG_GENERIC_CMOS_UPDATE=y
< 
< #
< # Timers subsystem
< #
< CONFIG_TICK_ONESHOT=y
< # CONFIG_NO_HZ is not set
< CONFIG_HIGH_RES_TIMERS=y
121d111
< CONFIG_RCU_FANOUT_LEAF=16
144a135
> CONFIG_USER_NS=y
186a178
> # CONFIG_PERF_COUNTERS is not set
201c193
< CONFIG_KPROBES=y
---
> # CONFIG_KPROBES is not set
203d194
< CONFIG_OPTPROBES=y
205d195
< CONFIG_KRETPROBES=y
213d202
< CONFIG_HAVE_DMA_CONTIGUOUS=y
215d203
< CONFIG_GENERIC_SMP_IDLE_THREAD=y
227,228d214
< CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
< CONFIG_SECCOMP_FILTER=y
325a312,316
> CONFIG_TICK_ONESHOT=y
> # CONFIG_NO_HZ is not set
> CONFIG_HIGH_RES_TIMERS=y
> CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
> CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST=y
467d457
< CONFIG_CROSS_MEMORY_ATTACH=y
511,512d500
< # CONFIG_PM_AUTOSLEEP is not set
< # CONFIG_PM_WAKELOCKS is not set
649a638,640
> CONFIG_MCA=y
> CONFIG_MCA_LEGACY=y
> CONFIG_MCA_PROC_FS=y
657c648
< CONFIG_ALIX=y
---
> # CONFIG_ALIX is not set
696d686
< # CONFIG_RAPIDIO_DMA_ENGINE is not set
724d713
< CONFIG_XFRM_ALGO=y
866d854
< CONFIG_NETFILTER_XT_TARGET_HMARK=m
1025a1014
> CONFIG_IP6_NF_QUEUE=m
1084d1072
< # CONFIG_NET_DCCPPROBE is not set
1086d1073
< # CONFIG_NET_SCTPPROBE is not set
1125c1112
< CONFIG_LLC=m
---
> CONFIG_LLC=y
1139a1127,1129
> CONFIG_ECONET=m
> CONFIG_ECONET_AUNUDP=y
> CONFIG_ECONET_NATIVE=y
1144d1133
< CONFIG_MAC802154=m
1168,1169d1156
< CONFIG_NET_SCH_CODEL=m
< CONFIG_NET_SCH_FQ_CODEL=m
1205d1191
< CONFIG_BATMAN_ADV_BLA=y
1218d1203
< # CONFIG_NET_TCPPROBE is not set
1428,1429d1412
< CONFIG_NFC_HCI=m
< CONFIG_NFC_SHDLC=y
1436d1418
< CONFIG_PN544_HCI_NFC=m
1464d1445
< # CONFIG_CMA is not set
1627a1609
> # CONFIG_MTD_UBI_DEBUG is not set
1638a1621
> CONFIG_OF_GPIO=y
1640a1624
> CONFIG_OF_SPI=y
1711c1695
< CONFIG_BLK_DEV_NVME=y
---
> # CONFIG_BLK_DEV_NVME is not set
1757,1759c1741
< CONFIG_BMP085=y
< CONFIG_BMP085_I2C=m
< CONFIG_BMP085_SPI=m
---
> CONFIG_BMP085=m
1761a1744
> CONFIG_MAX8997_MUIC=m
1791d1773
< CONFIG_INTEL_MEI=m
1983a1966
> CONFIG_SCSI_FD_MCS=y
1988a1972,1974
> CONFIG_SCSI_IBMMCA=y
> CONFIG_IBMMCA_SCSI_ORDER_STANDARD=y
> CONFIG_IBMMCA_SCSI_DEV_RESET=y
1996a1983
> CONFIG_SCSI_NCR_D700=y
2005a1993,1996
> CONFIG_SCSI_NCR_Q720=y
> CONFIG_SCSI_NCR53C8XX_DEFAULT_TAGS=8
> CONFIG_SCSI_NCR53C8XX_MAX_TAGS=32
> CONFIG_SCSI_NCR53C8XX_SYNC=20
2010d2000
< CONFIG_TCM_QLA2XXX=m
2187d2176
< CONFIG_SBP_TARGET=m
2225d2213
< # CONFIG_IEEE802154_FAKELB is not set
2230d2217
< CONFIG_NET_TEAM_MODE_LOADBALANCE=m
2387a2375,2382
> CONFIG_NET_VENDOR_IBM=y
> # CONFIG_IBM_EMAC_ZMII is not set
> # CONFIG_IBM_EMAC_RGMII is not set
> # CONFIG_IBM_EMAC_TAH is not set
> # CONFIG_IBM_EMAC_EMAC4 is not set
> # CONFIG_IBM_EMAC_NO_FLOW_CTRL is not set
> # CONFIG_IBM_EMAC_MAL_CLR_ICINTSTAT is not set
> # CONFIG_IBM_EMAC_MAL_COMMON_ERR is not set
2394d2388
< CONFIG_IGB_PTP=y
2398d2391
< CONFIG_IXGBE_HWMON=y
2401d2393
< # CONFIG_IXGBE_PTP is not set
2405a2398,2399
> CONFIG_ELMC=m
> CONFIG_ELMC_II=m
2422d2415
< CONFIG_MLX4_EN_DCB=y
2437a2431
> CONFIG_IBMLANA=m
2449a2444
> CONFIG_NE2_MCA=m
2452a2448
> CONFIG_ULTRAMCA=m
2519,2524d2514
< CONFIG_NET_VENDOR_WIZNET=y
< CONFIG_WIZNET_W5100=m
< CONFIG_WIZNET_W5300=m
< # CONFIG_WIZNET_BUS_DIRECT is not set
< # CONFIG_WIZNET_BUS_INDIRECT is not set
< CONFIG_WIZNET_BUS_ANY=y
2558,2559d2547
< CONFIG_MDIO_BUS_MUX=m
< CONFIG_MDIO_BUS_MUX_GPIO=m
2578a2567,2580
> CONFIG_TR=y
> CONFIG_WANT_LLC=y
> CONFIG_PCMCIA_IBMTR=m
> CONFIG_IBMTR=m
> CONFIG_IBMOL=m
> CONFIG_IBMLS=m
> CONFIG_3C359=m
> CONFIG_TMS380TR=m
> CONFIG_TMSPCI=m
> CONFIG_SKISA=m
> CONFIG_PROTEON=m
> CONFIG_ABYSS=m
> CONFIG_MADGEMC=m
> CONFIG_SMCTR=m
2662c2664
< CONFIG_B43_BCMA_EXTRA=y
---
> # CONFIG_B43_BCMA_EXTRA is not set
2691d2692
< # CONFIG_BRCMFMAC_SDIO_OOB is not set
2785d2785
< CONFIG_WL_TI=y
2788a2789
> CONFIG_WL12XX_MENU=m
2790,2792c2791,2792
< CONFIG_WLCORE=m
< CONFIG_WLCORE_SPI=m
< CONFIG_WLCORE_SDIO=m
---
> CONFIG_WL12XX_SPI=m
> CONFIG_WL12XX_SDIO=m
2799d2798
< CONFIG_MWIFIEX_USB=m
2996d2994
< CONFIG_INPUT_MATRIXKMAP=y
3026d3023
< CONFIG_KEYBOARD_LM8333=y
3037c3034
< CONFIG_KEYBOARD_TWL4030=y
---
> # CONFIG_KEYBOARD_TWL4030 is not set
3114d3110
< CONFIG_TOUCHSCREEN_DA9052=y
3124d3119
< CONFIG_TOUCHSCREEN_WACOM_I2C=y
3170a3166
> CONFIG_INPUT_AB8500_PONKEY=y
3192,3194c3188,3190
< CONFIG_INPUT_TWL4030_PWRBUTTON=y
< CONFIG_INPUT_TWL4030_VIBRA=y
< CONFIG_INPUT_TWL6040_VIBRA=y
---
> # CONFIG_INPUT_TWL4030_PWRBUTTON is not set
> # CONFIG_INPUT_TWL4030_VIBRA is not set
> # CONFIG_INPUT_TWL6040_VIBRA is not set
3278a3275
> CONFIG_SERIAL_8250_MCA=m
3348a3346
> CONFIG_RAMOOPS=m
3494d3491
< CONFIG_OF_GPIO=y
3506d3502
< CONFIG_GPIO_ICH=y
3518d3513
< CONFIG_GPIO_RC5T583=y
3523c3518
< CONFIG_GPIO_TWL4030=y
---
> # CONFIG_GPIO_TWL4030 is not set
3538c3533
< CONFIG_GPIO_SODAVILLE=y
---
> # CONFIG_GPIO_SODAVILLE is not set
3583,3584c3578,3579
< CONFIG_W1_SLAVE_DS2780=y
< CONFIG_W1_SLAVE_DS2781=y
---
> CONFIG_W1_SLAVE_DS2780=m
> CONFIG_W1_SLAVE_DS2781=m
3588,3593c3583,3588
< CONFIG_PDA_POWER=y
< CONFIG_MAX8925_POWER=y
< CONFIG_WM831X_BACKUP=y
< CONFIG_WM831X_POWER=y
< CONFIG_WM8350_POWER=y
< CONFIG_TEST_POWER=y
---
> CONFIG_PDA_POWER=m
> CONFIG_MAX8925_POWER=m
> CONFIG_WM831X_BACKUP=m
> CONFIG_WM831X_POWER=m
> CONFIG_WM8350_POWER=m
> CONFIG_TEST_POWER=m
3595,3598c3590,3593
< CONFIG_BATTERY_DS2780=y
< CONFIG_BATTERY_DS2781=y
< CONFIG_BATTERY_DS2782=y
< CONFIG_BATTERY_OLPC=y
---
> CONFIG_BATTERY_DS2780=m
> CONFIG_BATTERY_DS2781=m
> CONFIG_BATTERY_DS2782=m
> CONFIG_BATTERY_OLPC=m
3600,3601c3595,3596
< CONFIG_BATTERY_SBS=y
< CONFIG_BATTERY_BQ27x00=y
---
> CONFIG_BATTERY_SBS=m
> CONFIG_BATTERY_BQ27x00=m
3604,3606c3599,3601
< CONFIG_BATTERY_DA9030=y
< CONFIG_BATTERY_MAX17040=y
< CONFIG_BATTERY_MAX17042=y
---
> CONFIG_BATTERY_DA9030=m
> CONFIG_BATTERY_MAX17040=m
> CONFIG_BATTERY_MAX17042=m
3608,3612c3603,3607
< CONFIG_CHARGER_ISP1704=y
< CONFIG_CHARGER_MAX8903=y
< CONFIG_CHARGER_TWL4030=y
< CONFIG_CHARGER_LP8727=y
< CONFIG_CHARGER_GPIO=y
---
> CONFIG_CHARGER_ISP1704=m
> CONFIG_CHARGER_MAX8903=m
> # CONFIG_CHARGER_TWL4030 is not set
> CONFIG_CHARGER_LP8727=m
> CONFIG_CHARGER_GPIO=m
3616c3611,3613
< CONFIG_CHARGER_SMB347=y
---
> CONFIG_CHARGER_SMB347=m
> CONFIG_AB8500_BM=y
> CONFIG_AB8500_BATTERY_THERM_ON_BATCTRL=y
3723d3719
< CONFIG_SENSORS_INA2XX=m
3728c3724
< CONFIG_SENSORS_TWL4030_MADC=m
---
> # CONFIG_SENSORS_TWL4030_MADC is not set
3763d3758
< CONFIG_DA9052_WATCHDOG=m
3766c3761
< CONFIG_TWL4030_WATCHDOG=m
---
> # CONFIG_TWL4030_WATCHDOG is not set
3781d3775
< CONFIG_IE6XX_WDT=m
3860c3854
< CONFIG_MFD_SM501=y
---
> CONFIG_MFD_SM501=m
3862c3856
< CONFIG_HTC_PASIC3=y
---
> CONFIG_HTC_PASIC3=m
3864,3869c3858,3862
< CONFIG_UCB1400_CORE=y
< CONFIG_MFD_LM3533=y
< CONFIG_TPS6105X=y
< CONFIG_TPS65010=y
< CONFIG_TPS6507X=y
< CONFIG_MFD_TPS65217=y
---
> CONFIG_UCB1400_CORE=m
> CONFIG_TPS6105X=m
> CONFIG_TPS65010=m
> CONFIG_TPS6507X=m
> CONFIG_MFD_TPS65217=m
3876c3869
< CONFIG_TWL4030_MADC=y
---
> CONFIG_TWL4030_MADC=m
3878c3871
< CONFIG_TWL6030_PWM=y
---
> CONFIG_TWL6030_PWM=m
3894d3886
< CONFIG_MFD_MAX77693=y
3899c3891
< CONFIG_MFD_WM8400=y
---
> CONFIG_MFD_WM8400=m
3906,3912c3898,3902
< CONFIG_MFD_PCF50633=y
< CONFIG_PCF50633_ADC=y
< CONFIG_PCF50633_GPIO=y
< CONFIG_MFD_MC13783=y
< CONFIG_MFD_MC13XXX=y
< CONFIG_MFD_MC13XXX_SPI=y
< CONFIG_MFD_MC13XXX_I2C=y
---
> CONFIG_MFD_PCF50633=m
> CONFIG_PCF50633_ADC=m
> CONFIG_PCF50633_GPIO=m
> CONFIG_MFD_MC13783=m
> CONFIG_MFD_MC13XXX=m
3915c3905
< CONFIG_AB3100_OTP=y
---
> CONFIG_AB3100_OTP=m
3917c3907,3910
< CONFIG_MFD_CS5535=y
---
> CONFIG_AB8500_CORE=y
> CONFIG_AB8500_DEBUG=y
> CONFIG_AB8500_GPADC=y
> CONFIG_MFD_CS5535=m
3920d3912
< CONFIG_LPC_ICH=y
3922c3914
< CONFIG_MFD_JANZ_CMODIO=y
---
> CONFIG_MFD_JANZ_CMODIO=m
3924c3916
< CONFIG_MFD_WL1273_CORE=y
---
> CONFIG_MFD_WL1273_CORE=m
3928d3919
< CONFIG_MFD_PALMAS=y
3932c3923
< CONFIG_REGULATOR_FIXED_VOLTAGE=y
---
> CONFIG_REGULATOR_FIXED_VOLTAGE=m
3956d3946
< CONFIG_REGULATOR_RC5T583=m
3959c3949
< CONFIG_REGULATOR_PALMAS=m
---
> CONFIG_REGULATOR_AB8500=y
3964d3953
< CONFIG_REGULATOR_TPS65090=m
4016c4005
< CONFIG_IR_GPIO_CIR=m
---
> # CONFIG_IR_GPIO_CIR is not set
4045,4047d4033
< CONFIG_MEDIA_TUNER_FC0011=m
< CONFIG_MEDIA_TUNER_FC0012=m
< CONFIG_MEDIA_TUNER_FC0013=m
4049d4034
< CONFIG_MEDIA_TUNER_TUA9001=m
4143d4127
< CONFIG_VIDEO_AU0828=m
4201c4185
< CONFIG_VIDEO_EM28XX_RC=m
---
> CONFIG_VIDEO_EM28XX_RC=y
4210a4195
> CONFIG_USB_ET61X251=m
4219a4205
> CONFIG_VIDEO_AU0828=m
4371d4356
< CONFIG_DVB_USB_AF9035=m
4528d4512
< CONFIG_DVB_LG2160=m
4531,4532d4514
< CONFIG_DVB_AU8522_DTV=m
< CONFIG_DVB_AU8522_V4L=m
4565d4546
< CONFIG_DVB_AF9033=m
4619,4621d4599
< CONFIG_DRM_AST=y
< CONFIG_DRM_MGAG200=y
< CONFIG_DRM_CIRRUS_QEMU=y
4738d4715
< # CONFIG_FB_AUO_K190X is not set
4754d4730
< CONFIG_BACKLIGHT_LM3533=m
4806c4782
< CONFIG_SND_RAWMIDI=y
---
> CONFIG_SND_RAWMIDI=m
4825c4801
< CONFIG_SND_RAWMIDI_SEQ=y
---
> CONFIG_SND_RAWMIDI_SEQ=m
5017d4992
< CONFIG_SND_SOC_CS42L52=m
5026d5000
< CONFIG_SND_SOC_LM49453=m
5092,5093d5065
< CONFIG_SND_SOC_MC13783=m
< CONFIG_SND_SOC_ML26124=m
5095d5066
< CONFIG_SND_SIMPLE_CARD=m
5102c5073
< # CONFIG_SOUND_VMIDI is not set
---
> CONFIG_SOUND_VMIDI=m
5134d5104
< CONFIG_HID_GENERIC=y
5139d5108
< CONFIG_HID_AUREAL=y
5143c5112
< CONFIG_HID_PRODIKEYS=y
---
> CONFIG_HID_PRODIKEYS=m
5150c5119
< CONFIG_HID_HOLTEK=y
---
> CONFIG_HID_HOLTEK=m
5161c5130
< CONFIG_HID_LOGITECH_DJ=y
---
> CONFIG_HID_LOGITECH_DJ=m
5194a5164
> CONFIG_HID_WACOM_POWER_SUPPLY=y
5212a5183,5184
> # CONFIG_USB_DEVICEFS is not set
> CONFIG_USB_DEVICE_CLASS=y
5240,5241c5212,5213
< CONFIG_USB_OHCI_HCD_PLATFORM=y
< CONFIG_USB_EHCI_HCD_PLATFORM=y
---
> # CONFIG_USB_OHCI_HCD_PLATFORM is not set
> # CONFIG_USB_EHCI_HCD_PLATFORM is not set
5254,5255d5225
< CONFIG_USB_HCD_BCMA=m
< CONFIG_USB_HCD_SSB=m
5259,5262d5228
< CONFIG_USB_CHIPIDEA=m
< # CONFIG_USB_CHIPIDEA_UDC is not set
< CONFIG_USB_CHIPIDEA_HOST=y
< # CONFIG_USB_CHIPIDEA_DEBUG is not set
5302,5303c5268,5269
< CONFIG_USB_MDC800=y
< CONFIG_USB_MICROTEK=y
---
> CONFIG_USB_MDC800=m
> CONFIG_USB_MICROTEK=m
5308,5310c5274,5275
< CONFIG_USB_USS720=y
< CONFIG_USB_SERIAL=y
< CONFIG_USB_SERIAL_CONSOLE=y
---
> CONFIG_USB_USS720=m
> CONFIG_USB_SERIAL=m
5365d5329
< CONFIG_USB_SERIAL_QT2=m
5371,5372c5335,5336
< CONFIG_USB_EMI62=y
< CONFIG_USB_EMI26=y
---
> CONFIG_USB_EMI62=m
> CONFIG_USB_EMI26=m
5392,5396d5355
< 
< #
< # USB Physical Layer drivers
< #
< CONFIG_USB_ISP1301=m
5408,5411d5366
< 
< #
< # USB Peripheral Controller
< #
5418a5374
> CONFIG_USB_CI13XXX_PCI=m
5422a5379
> CONFIG_USB_LANGWELL=m
5443d5399
< # CONFIG_USB_GADGET_TARGET is not set
5466a5423
> CONFIG_AB8500_USB=m
5522d5478
< CONFIG_LEDS_LM3533=m
5537d5492
< CONFIG_LEDS_DA9052=m
5564d5518
< CONFIG_LEDS_TRIGGER_TRANSIENT=m
5582d5535
< CONFIG_INFINIBAND_OCRDMA=m
5689a5643
> CONFIG_RTC_DRV_AB8500=m
5738d5691
< # CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES is not set
5756,5757d5708
< CONFIG_COMEDI_DEFAULT_BUF_SIZE_KB=2048
< CONFIG_COMEDI_DEFAULT_BUF_MAXSIZE_KB=20480
5777,5779d5727
< CONFIG_COMEDI_AMPLC_DIO200_ISA=m
< CONFIG_COMEDI_AMPLC_PC236_ISA=m
< CONFIG_COMEDI_AMPLC_PC263_ISA=m
5783d5730
< CONFIG_COMEDI_DAS08_ISA=m
5835,5837c5782,5784
< CONFIG_COMEDI_AMPLC_DIO200_PCI=m
< CONFIG_COMEDI_AMPLC_PC236_PCI=m
< CONFIG_COMEDI_AMPLC_PC263_PCI=m
---
> CONFIG_COMEDI_AMPLC_DIO200=m
> CONFIG_COMEDI_AMPLC_PC236=m
> CONFIG_COMEDI_AMPLC_PC263=m
5841d5787
< CONFIG_COMEDI_DAS08_PCI=m
5888,5891d5833
< CONFIG_COMEDI_FC=m
< CONFIG_COMEDI_AMPLC_DIO200=m
< CONFIG_COMEDI_AMPLC_PC236=m
< CONFIG_COMEDI_AMPLC_PC263=m
5892a5835
> CONFIG_COMEDI_FC=m
5922a5866
> CONFIG_USB_SERIAL_QUATECH_USB2=m
5925c5869,5875
< CONFIG_DX_SEP=m
---
> CONFIG_VME_BUS=m
> 
> #
> # VME Bridge Drivers
> #
> CONFIG_VME_CA91CX42=m
> CONFIG_VME_TSI148=m
5928c5878
< # IIO staging drivers
---
> # VME Device Drivers
5929a5880,5888
> CONFIG_VME_USER=m
> CONFIG_VME_PIO2=m
> 
> #
> # VME Board Drivers
> #
> CONFIG_VMIVME_7805=m
> CONFIG_DX_SEP=m
> CONFIG_IIO=m
5930a5890
> CONFIG_IIO_BUFFER=y
5931a5892,5894
> CONFIG_IIO_KFIFO_BUF=m
> CONFIG_IIO_TRIGGER=y
> CONFIG_IIO_CONSUMERS_PER_TRIGGER=2
6033d5995
< CONFIG_SENSORS_ISL29028=m
6036d5997
< CONFIG_TSL2x7x=m
6108a6070
> CONFIG_INTEL_MEI=m
6146a6109,6110
> CONFIG_ANDROID_PERSISTENT_RAM=y
> CONFIG_ANDROID_RAM_CONSOLE=y
6149a6114,6116
> CONFIG_ANDROID_SWITCH=y
> CONFIG_ANDROID_SWITCH_GPIO=y
> CONFIG_ANDROID_INTF_ALARM=y
6150a6118
> CONFIG_ANDROID_ALARM_OLDDRV_COMPAT=y
6155,6164d6122
< CONFIG_IPACK_BUS=m
< CONFIG_BOARD_TPCI200=m
< CONFIG_SERIAL_IPOCTAL=m
< CONFIG_WIMAX_GDM72XX=m
< CONFIG_WIMAX_GDM72XX_QOS=y
< CONFIG_WIMAX_GDM72XX_K_MODE=y
< CONFIG_WIMAX_GDM72XX_WIMAX2=y
< CONFIG_WIMAX_GDM72XX_USB=y
< # CONFIG_WIMAX_GDM72XX_SDIO is not set
< CONFIG_WIMAX_GDM72XX_USB_PM=y
6212c6170
< CONFIG_APPLE_GMUX=m
---
> CONFIG_APPLE_GMUX=y
6249,6288d6206
< CONFIG_EXTCON=m
< 
< #
< # Extcon Device Drivers
< #
< # CONFIG_EXTCON_GPIO is not set
< # CONFIG_EXTCON_MAX8997 is not set
< CONFIG_MEMORY=y
< CONFIG_IIO=m
< CONFIG_IIO_BUFFER=y
< CONFIG_IIO_KFIFO_BUF=m
< CONFIG_IIO_TRIGGER=y
< CONFIG_IIO_CONSUMERS_PER_TRIGGER=2
< 
< #
< # Analog to digital converters
< #
< 
< #
< # Amplifiers
< #
< CONFIG_AD8366=m
< CONFIG_VME_BUS=m
< 
< #
< # VME Bridge Drivers
< #
< CONFIG_VME_CA91CX42=m
< CONFIG_VME_TSI148=m
< 
< #
< # VME Board Drivers
< #
< CONFIG_VMIVME_7805=m
< 
< #
< # VME Device Drivers
< #
< CONFIG_VME_USER=m
< CONFIG_VME_PIO2=m
6454a6373
> CONFIG_UBIFS_FS_XATTR=y
6457a6377
> # CONFIG_UBIFS_FS_DEBUG is not set
6482d6401
< # CONFIG_PSTORE_RAM is not set
6492d6410
< CONFIG_NFS_V2=y
6587,6597d6504
< CONFIG_NLS_MAC_ROMAN=m
< CONFIG_NLS_MAC_CELTIC=m
< CONFIG_NLS_MAC_CENTEURO=m
< CONFIG_NLS_MAC_CROATIAN=m
< CONFIG_NLS_MAC_CYRILLIC=m
< CONFIG_NLS_MAC_GAELIC=m
< CONFIG_NLS_MAC_GREEK=m
< CONFIG_NLS_MAC_ICELAND=m
< CONFIG_NLS_MAC_INUIT=m
< CONFIG_NLS_MAC_ROMANIAN=m
< CONFIG_NLS_MAC_TURKISH=m
6613d6519
< # CONFIG_READABLE_ASM is not set
6636,6639c6542
< CONFIG_DEBUG_KMEMLEAK=y
< CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE=400
< # CONFIG_DEBUG_KMEMLEAK_TEST is not set
< CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF=y
---
> # CONFIG_DEBUG_KMEMLEAK is not set
6648d6550
< CONFIG_TRACE_IRQFLAGS=y
6671c6573
< CONFIG_RCU_CPU_STALL_INFO=y
---
> # CONFIG_RCU_CPU_STALL_INFO is not set
6673d6574
< # CONFIG_KPROBES_SANITY_TEST is not set
6675c6576
< CONFIG_DEBUG_BLOCK_EXT_DEVT=y
---
> # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
6679c6580
< CONFIG_CPU_NOTIFIER_ERROR_INJECT=y
---
> # CONFIG_CPU_NOTIFIER_ERROR_INJECT is not set
6693d6593
< CONFIG_TRACER_MAX_TRACE=y
6704,6706c6604,6606
< CONFIG_IRQSOFF_TRACER=y
< CONFIG_SCHED_TRACER=y
< CONFIG_FTRACE_SYSCALLS=y
---
> # CONFIG_IRQSOFF_TRACER is not set
> # CONFIG_SCHED_TRACER is not set
> # CONFIG_FTRACE_SYSCALLS is not set
6712,6714d6611
< CONFIG_KPROBE_EVENT=y
< # CONFIG_UPROBE_EVENT is not set
< CONFIG_PROBE_EVENTS=y
6732c6629
< CONFIG_TEST_KSTRTOX=y
---
> # CONFIG_TEST_KSTRTOX is not set
6746d6642
< # CONFIG_X86_DECODER_SELFTEST is not set
6760c6656
< CONFIG_DEBUG_NMI_SELFTEST=y
---
> # CONFIG_DEBUG_NMI_SELFTEST is not set
6919d6814
< CONFIG_HAVE_KVM_MSI=y
6934,6935d6828
< CONFIG_GENERIC_STRNCPY_FROM_USER=y
< CONFIG_GENERIC_STRNLEN_USER=y
6973a6867,6868
> CONFIG_REED_SOLOMON_ENC8=y
> CONFIG_REED_SOLOMON_DEC8=y
6992d6886
< CONFIG_DDR=y
---
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Re: 3.5-rcX : Big problem with root device returning

[Michael Tokarev]

On 12.07.2012 16:08, werner wrote:
> There is a big problem since 3.5-rc1 which potentially mess the installations
> 
> rdev   don't give longer back the root device like /dev/sda1  , but in the bios form like 0x80010300

Note rdev returns information which is written to kernel image, not
information about actual device the system booted from.

> rdev is essential for the installation programs  and for the installation f.ex. of lilo .   It's not conveniente to rely on the bios numbers, because on some meinbords they change depending which boot order you select in BIOS, or only if you select another boot device in the bios boot menu with F12.   Whilst /dev/sdXY is more reliable.
> 
>   rdev is an old basical function which always worked correctly, until now.

rdev utility is obsolete, it is not present in current util-linux anymore,
because it makes just no sense nowadays.  Storing root device in the
kernel image has been obsoleted long ago by boot loaders providing
kernel command line and root= parameter.  More, root device is often
not mounted by kernel itself, but by initramfs (which become an integral
part of the kernel image).

It is obsolete because of 3 reasons:

1) you've kernel command line from the bootloader to store this and
  other info
2) it is not guaranteed that the next reboot the same device will be
 using the same /dev/sdX node, since they're discovered dynamically
 (in this sense, bios codes are more reliable, and filesystem UUIDs or
 labels are the right way to go)
3) static device numbers are slowly going away too, very few tools
 left which knows about particular major,minor pairs.

> The error starts with 3.5-rc1 and is not corrected until 3.5-rc6 .    If I go back to an earlier kernel, 3.4 or older, then the same installation works correct (rdev gives /dev/sda1 ) and if I go back then again to 3.5-rcX it's again wrong (rdev gives 0x80010300).    Thus, this seems a wrong manner how the kernel gives back the root device,  or interact with rdev.      It's also possible that this problem happens only under any kernel compilation option,   so that below I give the differences in config between 3.4 and 3.5-rc1
> 
> This problem should be fixed most quickly,  rdev always have to work correctly.

There's no problem, so nothing to fix.

Thanks,

/mjt

Re: 3.5-rcX : Big problem with root device returning

[Michael Tokarev]

On 15.07.2012 23:12, werner wrote:

> Even if rdev isn't often used, it should kept working, as it's included in many other programs, and principally in the installers.

rdev doesn't _exist_ anymore in current software,
including installers.

/mjt