Description of problem: System stops with filesystem error. Version-Release number of selected component (if applicable): kernel-2.6.27.24-170.2.68.fc10.i686 How reproducible: Run Fedora 10 system for a while. Note mouse pointer slows down, lag in movement. quit all apps type poweroff note system stalls on console, eventually produces filesystem error message (see attachment as an example) Additional info: As nobody else seems to have reported such a problem, it might be caused by my unusual system setup. I've been running Fedora 10 on my primary notebook for 6 months. Whenever I use a f10 kernel, I run into this bug very soon. When using a "Fedora *9*" kernel, it runs perfectly stable. Therefore I used the f9 kernel most of the time. Description of system setup =========================== /dev/sda is the internal notebook harddisk. fdisk -l /dev/sda /dev/sda1 * 1 2295 18434556 7 HPFS/NTFS /dev/sda2 2296 2320 200812+ 83 Linux /dev/sda3 2321 4310 15984675 83 Linux /dev/sda4 4311 24321 160738357+ 5 Extended /dev/sda5 4311 23580 154786243+ fd Linux raid autodetect /dev/sda6 23581 24065 3895731 fd Linux raid autodetect /dev/sda7 24066 24193 1028128+ 82 Linux swap / Solaris /dev/sda8 24194 24321 1028128+ 83 Linux /etc/fstab UUID=407b5126-2e34-4103-ad24-5ac38e4bfcb0 / ext3 defaults 1 1 UUID=7c516bbb-4306-432a-a57b-14eabb92d594 /boot ext3 defaults 1 2 /dev/mapper/tmpcrypt /tmp ext2 defaults 0 0 /dev/mapper/swapcrypt swap swap defaults 0 0 /dev/mapper/luks-24990861-ec21-46a7-9155-5a1ffe86bbef /private ext3 defaults 0 0 /dev/mapper/luks-4c0a967e-48c8-4cc3-8bf1-ebb5ff9f929f /home ext3 defaults 0 0 tmpfs /dev/shm tmpfs defaults 0 0 devpts /dev/pts devpts gid=5,mode=620 0 0 sysfs /sys sysfs defaults 0 0 proc /proc proc defaults 0 0 /proc/mdstat Personalities : [raid1] md0 : active raid1 sda5[0] 154786176 blocks [2/1] [U_] md1 : active raid1 sda6[0] 3895616 blocks [2/1] [U_] unused devices: <none> /etc/crypttab luks-24990861-ec21-46a7-9155-5a1ffe86bbef /dev/md1 none luks-4c0a967e-48c8-4cc3-8bf1-ebb5ff9f929f /dev/md0 none tmpcrypt /dev/sda8 /dev/urandom tmp swapcrypt /dev/sda7 /dev/urandom swap Text description of setup: - both /tmp and swap are encrypted partitions, with random keys. - /boot is plain partition with ext3 - / is plain partition with ext3 - /dev/md0 is software RAID 1 - /dev/md1 is software RAID 1 - /private is ext3 on top of /dev/md1 - /home is ext3 on top of /dev/md0 The harddrive which hosts the mirror partitions for the RAID 1 arrays is only temporarily available. I use this as a kind of easy backup. Whenever I want to synchronize the partitions to the second disk, I insert it, change to runlevel 1, and use "mdstat" to add the partitions back to the RAIDs. After synchronization is done, when I want to unplus the second disk, I go back to runlevel 1, I unmount the partitions (to ensure the mirrored filesystem is sane), then use "mdadm" with --fail and --remove. This explains why my /proc/mdstat lists the RAID 1 drives with a missing disk. It's intended. The original setup was made with Fedora 9. When I upgraded to Fedora 10, I changed the above config files to use the UUID (instead of md0/md1). The hardware is a Lenovo R61, less than 1.5 years old, Intel Core Duo, T7500, 4 GB physical RAM, running the 32 bit version of Fedora. The system works rock solid with Fedora 9 kernel. Only when using Fedora 10 kernel I see problems. Note that in the past, early during the F10 lifetime, this once even crashed my whole filesystem. I had to go back to an backup. I had talked about it on IRC, but didn't have sufficient debug info. I've now uploaded an external camera screenshot that shows the console errors. http://kuix.de/misc/2009-05-28-01_20-1.jpg
*** Bug 489783 has been marked as a duplicate of this bug. ***
When I had experienced this the last time (a couple weeks ago), I booted a live CD and run a manual fsck (forced) on the file system. No problems were reported, everything clean. When I booted (today) with the f9 kernel (directly after the crash), I didn't see any reports about filesystem trouble either (during the startup messages). Only thing I saw was a "inode time future" or similar, which got fixed.
So, this time, the first reported problem was in /dev/sda3, the plain partition containing the ext3 filesystem mounted at / (no crypt, no raid). Afterwards we also got problem reports for dm-1 and dm-2, two of the encrypted partitions.
The current Fedora 9 and Fedora 10 kernels are both based on 2.6.27.24, so it doesn't seem right that one should work and the other not work. Or were you using an older Fedora 9 kernel when everything worked?
The working Fedora 9 kernel is 2.6.27.19-78.2.30.fc9 I had problems with all the fc10 kernels. Kernels like 2.6.27.21-170.2.56.fc10 and earlier gave me problems, too.
Can you post the contents of /proc/interrupts with the f10 kernel running, and also from the f9 kernel if they are different?
Created attachment 346473 [details] /proc/interrupts - fedora 9 kernel
Created attachment 346474 [details] /proc/interrupts - fedora 10 kernel Note, this kernel has been running only a short period of time. (I didn't wait for the problem to show up.)
I decided to do another experiment. I'm now running the latest f9 kernel availabe from updates, and will give feedback in a couple of days. This shall answer the question: Is the problem in the kernel version later than 2.6.27.19 ? Or is the problem in the patches that are different between f9 and f10 ? (I guess the applied patches differ between f9 and f10) 2.6.27.19-78.2.30.fc9 good 2.6.27.24-78.2.53.fc9 ... currently testing 2.6.27.24-170.2.68.fc10 bad
so far the latest f9 kernel works stable. I suspect the cause is contained in the differences between 2.6.27.24-78.2.53.fc9 and 2.6.27.24-170.2.68.fc10
Could this problem be related to unstable clocksource? I'm on pentium-m, dual core. My system reported "clocksource tsc unstable". Elsewhere on the web I read that it's expected the kernel will automatically switch to a more reliable clocksource. But my system didn't report any such switching to a different one. I changed my grub.conf to include clocksource=hpet on the kernel line. I just realize that I've been running the most recent f10 kernel since yesterday... Maybe that fixed my problem? (I'll report back later if the system keeps being stable.)
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