1) linux kernel version 2.6.30.9 2) this happens while doing digital audio streaming over usb interface on usb host . also that time timing information also gets updated on the embedded target's front display simultaneously .
regards Amit On Thu, Oct 14, 2010 at 12:59 PM, Prasad Joshi <[email protected]> wrote: > Could you please describe when did this happen? > Also paste the output of the command uname -a > > On Thu, Oct 14, 2010 at 12:24 PM, Amit Nagal <[email protected]> wrote: >> Hi , >> >> i am getting this kernel log . >> >> BUG: sleeping function called from invalid context at mm/slab.c:3055 >> in_atomic(): 1, irqs_disabled(): 128, pid: 192, name: Front Display >> Backtrace: >> [<c002cf94>] (dump_backtrace+0x0/0x110) from [<c02fb048>] >> (dump_stack+0x18/0x1c) >> r6:c40000c0 r5:000000d0 r4:c41f1160 r3:40000093 >> [<c02fb030>] (dump_stack+0x0/0x1c) from [<c004cf08>] >> (__might_sleep+0x108/0x128) >> [<c004ce00>] (__might_sleep+0x0/0x128) from [<c00ccfd0>] >> (kmem_cache_alloc+0x30/0x148) >> [<c00ccfa0>] (kmem_cache_alloc+0x0/0x148) from [<bf0edf80>] >> (spi_write+0x29c/0x4d4 [fpi]) >> r8:80000013 r7:83bd8d08 r6:a0000013 r5:00000004 r4:c41f1160 >> [<bf0edce4>] (spi_write+0x0/0x4d4 [fpi]) from [<c00d1498>] >> (vfs_write+0xb4/0x128) >> [<c00d13e4>] (vfs_write+0x0/0x128) from [<c00d15d4>] (sys_write+0x44/0x70) >> r6:00000004 r5:83bd8d08 r4:c1000a60 r3:c77adf70 >> [<c00d1590>] (sys_write+0x0/0x70) from [<c0028980>] >> (ret_fast_syscall+0x0/0x2c) >> r9:c77ac000 r8:c0028b28 r6:02b90784 r5:00000004 r4:83bd8d08 >> >> >> can anybody guide me what is meant by this bug : >> >> BUG: sleeping function called from invalid context at mm/slab.c:3055 >> >> and what kernel functions it points to where problem lies . >> >> Thanx & Regards >> Amit >> >> -- >> To unsubscribe from this list: send an email with >> "unsubscribe kernelnewbies" to [email protected] >> Please read the FAQ at http://kernelnewbies.org/FAQ >> >> > -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to [email protected] Please read the FAQ at http://kernelnewbies.org/FAQ
