On Tue, Mar 18, 2014 at 11:35 AM, meenakshi aggarwal <[email protected]>wrote:
> Hi, > > On reboot my system is showing kernel stack trace as : > > root@ds:~# reboot > > INIT: Sending processes the TERM signal > INIT > Stopping Dropbear SSH server: stopped /usr/sbin/dropbear (pid 2152) > dropbear. > Stopping network benchmark server: netserverstopped /usr/sbin/netserver > (pid 2157) > . > Stopping system log daemon...0 > Stopping kernel log daemon...0 > Deconfiguring network interfaces... done. > Sending all processes the TERM signal... > Sending all processes the KILL signal... > Unmounting remote filesystems... > Deactivating swap... > Unmounting local filesystems... > Rebooting... Disabling non-boot CPUs ... > > BUG: scheduling while atomic: reboot/2210/0x00000002 > Modules linked in: > Preemption disabled at:[< (null)>] (null) > > Call Trace: > [ebe09b20] [c0007094] show_stack+0x44/0x150 (unreliable) > [ebe09b60] [c064f5f4] __schedule_bug+0x84/0x9c > [ebe09b70] [c064c1c0] __schedule+0x510/0x5e0 > [ebe09c80] [c064aea4] schedule_timeout+0x164/0x1d0 > [ebe09cc0] [c064bb10] wait_for_common+0xd0/0x1b0 > [ebe09d00] [c004db58] kthread_create_on_node+0xa8/0x140 > [ebe09d70] [c00a42cc] _cpu_down+0x1ec/0x4e0 > [ebe09de0] [c002d8a0] disable_nonboot_cpus+0x90/0x160 > [ebe09e10] [c004044c] kernel_restart+0x1c/0x90 > [ebe09e20] [c004069c] sys_reboot+0x1cc/0x250 > [ebe09f40] [c000efe0] ret_from_syscall+0x0/0x3c > --- Exception: c01 at 0xff17684 > LR = 0x10000c00 > BUG: scheduling while atomic: reboot/2210/0x00000002 > Looks Like some race condition. > Modules linked in: > Preemption disabled at:[< (null)>] (null) > > Call Trace: > [ebe09b90] [c0007094] show_stack+0x44/0x150 (unreliable) > [ebe09bd0] [c064f5f4] __schedule_bug+0x84/0x9c > [ebe09be0] [c064c1c0] __schedule+0x510/0x5e0 > [ebe09cf0] [c064aea4] schedule_timeout+0x164/0x1d0 > [ebe09d30] [c064bb10] wait_for_common+0xd0/0x1b0 > [ebe09d70] [c00a42f8] _cpu_down+0x218/0x4e0 > [ebe09de0] [c002d8a0] disable_nonboot_cpus+0x90/0x160 > [ebe09e10] [c004044c] kernel_restart+0x1c/0x90 > [ebe09e20] [c004069c] sys_reboot+0x1cc/0x250 > [ebe09f40] [c000efe0] ret_from_syscall+0x0/0x3c > --- Exception: c01 at 0xff17684 > LR = 0x10000c00 > > > and so on. > > Any kind of help will be appreciated. > > Also i want to know the significance of *0x84/0x9c* > > " __schedule_bug+*0x84/0x9c*" > > This is offset(*0x84/0x9c*) from the function(__schedule_bug) where the next branching was done or call to a function was made. In this case at address " __schedule_bug+0x84/0x9c" function 'show_stack' was called. _______________________________________________ > Kernelnewbies mailing list > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > -- Thanks and Regards Pramod
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