On Wed, Nov 19 2008, Stephen Rothwell wrote: > Hi all, > > I got this in my boot test last night: > > Begin: Waiting for root file system... ... > BUG: spinlock lockup on CPU#1, vol_id/3246, c000000000b09700 > Call Trace: > [c000000040ef7080] [c00000000000fb58] .show_stack+0x70/0x184 (unreliable) > [c000000040ef7130] [c00000000027adac] ._raw_spin_lock+0x140/0x17c > [c000000040ef71d0] [c0000000004ec648] ._spin_lock_irqsave+0x8c/0xc4 > [c000000040ef7270] [c0000000000659dc] .lock_timer_base+0x38/0x90 > [c000000040ef7310] [c000000000065b50] .__mod_timer+0x4c/0x11c > [c000000040ef73c0] [c00000000025ae9c] .blk_plug_device+0xc0/0xd8 > [c000000040ef7440] [c00000000025bb90] .__make_request+0x498/0x518 > [c000000040ef74f0] [c000000000259dc8] .generic_make_request+0x24c/0x2a4 > [c000000040ef75b0] [c00000000025b6d0] .submit_bio+0x108/0x130 > [c000000040ef7670] [c0000000001210e4] .submit_bh+0x174/0x1c0 > [c000000040ef7700] [c0000000001259a8] .block_read_full_page+0x34c/0x3b4 > [c000000040ef7820] [c000000000129a60] .blkdev_readpage+0x20/0x38 > [c000000040ef78a0] [c0000000000c111c] .__do_page_cache_readahead+0x23c/0x2b8 > [c000000040ef7980] [c0000000000c1370] .ondemand_readahead+0x1d8/0x210 > [c000000040ef7a30] [c0000000000b7f20] .generic_file_aio_read+0x224/0x620 > [c000000040ef7b60] [c0000000000f9020] .do_sync_read+0xc4/0x124 > [c000000040ef7cf0] [c0000000000f98e0] .vfs_read+0xd8/0x1bc > [c000000040ef7d90] [c0000000000f9f0c] .sys_read+0x4c/0x8c > [c000000040ef7e30] [c0000000000084d4] syscall_exit+0x0/0x40 > > This was on a Power5 partition. I am attempting to reproduce the problem. > > Any clues? Strange, so it gets stuck on the timer lock, very weird. You don't happen to have output showing that the other CPU is up to at that point? -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
