Hi Sandeep, Sending to the list this time... On Mon, May 9, 2011 at 10:51 PM, sandeep kumar <coolsandyforyou@xxxxxxxxx> wrote: > Here is the following logs i got when i collected ramdump from my > development mobile after going to kernel panic > Kernel version is 2.6.35.7, Android version GingerBread. > > BUG: scheduling while atomic: pppd/675/0x00000203 > <4>[ 85.745849] Modules linked in: dhd hotspot_event_monitoring bthid > cmc7xx_sdio > <4>[ 85.746032] [<c003f7dc>] (unwind_backtrace+0x0/0x168) from > [<c05aa808>] (dump_stack+0x18/0x1c) > <4>[ 85.746154] [<c05aa808>] (dump_stack+0x18/0x1c) from [<c00d86a4>] > (__schedule_bug+0x54/0x68) > <4>[ 85.746246] [<c00d86a4>] (__schedule_bug+0x54/0x68) from [<c05aab3c>] > (schedule+0x78/0x48c) > <4>[ 85.746337] [<c05aab3c>] (schedule+0x78/0x48c) from [<c05ab604>] > (schedule_timeout+0x24/0x23c) > <4>[ 85.746429] [<c05ab604>] (schedule_timeout+0x24/0x23c) from > [<c05aced0>] (__down+0x88/0xc4) > <4>[ 85.746520] [<c05aced0>] (__down+0x88/0xc4) from [<c00fd654>] > (down+0x44/0x84) > <4>[ 85.746643] [<c00fd654>] (down+0x44/0x84) from [<c0440bac>] > (dpram_write+0x64/0x884) > <4>[ 85.746734] [<c0440bac>] (dpram_write+0x64/0x884) from [<c04414f0>] > (vs_write+0x104/0x154) > <4>[ 85.746826] [<c04414f0>] (vs_write+0x104/0x154) from [<c034328c>] > (ppp_async_push+0x110/0x584) > <4>[ 85.746917] [<c034328c>] (ppp_async_push+0x110/0x584) from > [<c0343750>] (ppp_async_send+0x50/0x58) > <4>[ 85.747009] [<c0343750>] (ppp_async_send+0x50/0x58) from [<c0341360>] > (ppp_channel_push+0x60/0x100) > <4>[ 85.747100] [<c0341360>] (ppp_channel_push+0x60/0x100) from > [<c0341500>] (ppp_write+0x100/0x108) Looking at the source, ppp_channel_push calls spin_lock_bh which enters the atomic context. dpram_write tries to call down from within this context, which isn't legal. -- Dave Hylands Shuswap, BC, Canada http://www.davehylands.com _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
