From: LP/李 <li...@lp...> - 2012-07-18 00:26:53
|
Dear all: Forgiving my interruption please. I really have a difficult problem. The following is the details of my problem. Can anybody help kindly? Your advise is highly appreciated. ++++++++++++++++++++++++++++++++++++++++++++++++ Type of Gumstix: GS3703A R3576 Version of kernel: 2.6.39 The Gumstix boots from Micro-SD. Sometimes, the Gumstix starts successfully. Sometimes the Gumstix fails to start. And in this case, the following error message is displayed. In addition, in both case the setting is exactlly same. ----------------------------------------- ....................................... twl_rtc twl_rtc: setting system clock to 2000-01-01 00:00:10 UTC (946684810) Waiting for root device /dev/mmcblk0p2... mmc0: host does not support reading read-only switch. assuming write-enable. mmc0: new high speed SDHC card at address b368 mmcblk0: mmc0:b368 USD 7.46 GiB mmcblk0: detected capacity change from 0 to 8018460672 mmcblk0: unknown partition table usb 2-2: new high speed USB device number 2 using ehci-omap VFS: Cannot open root device "mmcblk0p2" or unknown-block(179,2) Please append a correct "root=" boot option; here are the available partitions: 1f00 524288 mtdblock0 (driver?) b300 7830528 mmcblk0 driver: mmcblk Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(179,2) -------------------------------------------------------- ====== ====== ====== ====== Mail: li...@lp... HP: http://www.lp-d.co.jp ====== ====== ====== ====== |
From: Nick W. <nic...@gm...> - 2012-07-18 02:23:16
|
I just had this problem, I used a new SD card and it worked. On Tue, Jul 17, 2012 at 5:26 PM, LP/李 <li...@lp...> wrote: > ** > Dear all: > > Forgiving my interruption please. I really have a difficult problem. > > The following is the details of my problem. > Can anybody help kindly? > Your advise is highly appreciated. > > ++++++++++++++++++++++++++++++++++++++++++++++++ > Type of Gumstix: GS3703A R3576 > Version of kernel: 2.6.39 > > The Gumstix boots from Micro-SD. Sometimes, the Gumstix starts > successfully. > Sometimes the Gumstix fails to start. And in this case, the following > error message is displayed. > In addition, in both case the setting is exactlly same. > > ----------------------------------------- > ....................................... > twl_rtc twl_rtc: setting system clock to 2000-01-01 00:00:10 UTC > (946684810) > Waiting for root device /dev/mmcblk0p2... > mmc0: host does not support reading read-only switch. assuming > write-enable. > mmc0: new high speed SDHC card at address b368 > mmcblk0: mmc0:b368 USD 7.46 GiB > mmcblk0: detected capacity change from 0 to 8018460672 > mmcblk0: unknown partition table > usb 2-2: new high speed USB device number 2 using ehci-omap > VFS: Cannot open root device "mmcblk0p2" or unknown-block(179,2) > Please append a correct "root=" boot option; here are the available > partitions: > 1f00 524288 mtdblock0 (driver?) > b300 7830528 mmcblk0 > driver: mmcblk > Kernel panic - not syncing: VFS: Unable to mount root fs on > unknown-block(179,2) > -------------------------------------------------------- > > > > > > ====== ====== ====== ====== > Mail: li...@lp... HP: http://www.lp-d.co.jp > ====== ====== ====== ====== > > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > gumstix-users mailing list > gum...@li... > https://lists.sourceforge.net/lists/listinfo/gumstix-users > > |
From: Adam L. <ada...@gm...> - 2012-07-18 03:48:52
|
I get this kernel panic - not syncing problem here and there too. I think it's mostly related to corrupted file system resulting from segfault or other kernel panic. Rewriting the file system to the same SD card fixes the problem for me. On Tue, Jul 17, 2012 at 7:23 PM, Nick Wernicke <nic...@gm...>wrote: > I just had this problem, I used a new SD card and it worked. > > On Tue, Jul 17, 2012 at 5:26 PM, LP/李 <li...@lp...> wrote: > >> ** >> Dear all: >> >> Forgiving my interruption please. I really have a difficult problem. >> >> The following is the details of my problem. >> Can anybody help kindly? >> Your advise is highly appreciated. >> >> ++++++++++++++++++++++++++++++++++++++++++++++++ >> Type of Gumstix: GS3703A R3576 >> Version of kernel: 2.6.39 >> >> The Gumstix boots from Micro-SD. Sometimes, the Gumstix starts >> successfully. >> Sometimes the Gumstix fails to start. And in this case, the following >> error message is displayed. >> In addition, in both case the setting is exactlly same. >> >> ----------------------------------------- >> ....................................... >> twl_rtc twl_rtc: setting system clock to 2000-01-01 00:00:10 UTC >> (946684810) >> Waiting for root device /dev/mmcblk0p2... >> mmc0: host does not support reading read-only switch. assuming >> write-enable. >> mmc0: new high speed SDHC card at address b368 >> mmcblk0: mmc0:b368 USD 7.46 GiB >> mmcblk0: detected capacity change from 0 to 8018460672 >> mmcblk0: unknown partition table >> usb 2-2: new high speed USB device number 2 using ehci-omap >> VFS: Cannot open root device "mmcblk0p2" or unknown-block(179,2) >> Please append a correct "root=" boot option; here are the available >> partitions: >> 1f00 524288 mtdblock0 (driver?) >> b300 7830528 mmcblk0 >> driver: mmcblk >> Kernel panic - not syncing: VFS: Unable to mount root fs on >> unknown-block(179,2) >> -------------------------------------------------------- >> >> >> >> >> >> ====== ====== ====== ====== >> Mail: li...@lp... HP: http://www.lp-d.co.jp >> ====== ====== ====== ====== >> >> >> ------------------------------------------------------------------------------ >> Live Security Virtual Conference >> Exclusive live event will cover all the ways today's security and >> threat landscape has changed and how IT managers can respond. Discussions >> will include endpoint security, mobile security and the latest in malware >> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ >> _______________________________________________ >> gumstix-users mailing list >> gum...@li... >> https://lists.sourceforge.net/lists/listinfo/gumstix-users >> >> > > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > gumstix-users mailing list > gum...@li... > https://lists.sourceforge.net/lists/listinfo/gumstix-users > > |
From: southgx <li...@lp...> - 2012-07-20 07:42:28
|
Thank you, Nick Wernicke and Adam Lee. According to your kindly advise, the reason is that there are some problems on the MicroSD card. And now, I use another MicroSD card. At the beginning, it works pretty well. I have installed some applications to the Gumstix. Then I use "sudo dd if=/dev/sd? bs=?M | gzip -c > file.img.gz " to backup the Card to My PC. I only backup it and did not modify the SD card. Unfortunately, after the backup, the kernel panic problems happen again. The problem is exactly same with the problem shown in my letter on July 18. Please help me. -- View this message in context: http://gumstix.8.n6.nabble.com/Kernel-panic-not-syncing-VFS-Unable-to-mount-root-fs-on-unknown-block-179-2-tp4964938p4964966.html Sent from the Gumstix mailing list archive at Nabble.com. |