Messages in this thread | | | Date | Sun, 24 Dec 2006 01:01:50 +0100 | From | Pavel Machek <> | Subject | Re: bluetooth memory corruption (was Re: ext3-related crash in 2.6.20-rc1) |
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Hi!
> > I got this nasty oops while playing with debugger. Not sure if that is > > related; it also might be something with bluetooth; I already know it > > corrupts memory during suspend, perhaps it corrupts memory in some > > error path? > > Okay, I spoke too soon. bluetooth & suspend memory corruption was > _way_ harder to reproduce than expected. Took me 5-or-so-suspend > cycles... so it is probably unrelated to the previous crash. > > I was getting pretty regular crashes with bluetooth & gdb, but I was > not using bluetooth at the time of ext3-related crash.
And for completeness, here's bluetooth + gdb oops. Ok, I'm not _sure_ it is bluetooth related. I'll try it without bluetooth in a while.
Pavel
PM: Adding info for No Bus:vcsa8 coda_read_super: Bad mount data coda_read_super: device index: 0 coda_read_super: rootfid is (01234567.ffffffff.080519b0.00000000) PM: Removing info for No Bus:vcs10 PM: Removing info for No Bus:vcsa10 coda_upcall: Venus dead on (op,un) (7.2) flags 10 Failure of coda_cnode_make for root: error -19 hci_cmd_task: hci0 command tx timeout PM: Adding info for No Bus:rfcomm1 PM: Adding info for bluetooth:acl00803715A329 hci_acldata_packet: hci0 ACL packet for unknown connection handle 12 hci_acldata_packet: hci0 ACL packet for unknown connection handle 12 hci_acldata_packet: hci0 ACL packet for unknown connection handle 12 hci_acldata_packet: hci0 ACL packet for unknown connection handle 12 hci_acldata_packet: hci0 ACL packet for unknown connection handle 12 hci_acldata_packet: hci0 ACL packet for unknown connection handle 12 hci_acldata_packet: hci0 ACL packet for unknown connection handle 12 hci_acldata_packet: hci0 ACL packet for unknown connection handle 12 hci_acldata_packet: hci0 ACL packet for unknown connection handle 12 hci_acldata_packet: hci0 ACL packet for unknown connection handle 12 hci_acldata_packet: hci0 ACL packet for unknown connection handle 12 hci_acldata_packet: hci0 ACL packet for unknown connection handle 12 hci_acldata_packet: hci0 ACL packet for unknown connection handle 12 l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) l2cap_recv_acldata: Unexpected continuation frame (len 0) PM: Removing info for bluetooth:acl00803715A329 ------------[ cut here ]------------ kernel BUG at fs/buffer.c:1235! invalid opcode: 0000 [#1] SMP Modules linked in: CPU: 1 EIP: 0060:[<c01912b2>] Not tainted VLI EFLAGS: 00010046 (2.6.20-rc1 #383) EIP is at __find_get_block+0x1b2/0x1c0 eax: 00000086 ebx: 00001000 ecx: 00000000 edx: 006780b2 esi: 0033d60d edi: 00001000 ebp: 000000cf esp: f75a3c90 ds: 007b es: 007b ss: 0068 Process phone (pid: 1795, ti=f75a2000 task=c2287030 task.ti=f75a2000) Stack: 006780b2 00000000 c21e9a08 00000003 ad40ad40 f7d8d1dc c0629908 00000000 f89fa000 00000012 00000002 00000003 ad55ad55 f7d8d182 c0629908 00001000 0033d60d 00001000 000000cf c01912df 00001000 f7dbf74c 00000000 00000008 Call Trace: [<c01912df>] __getblk+0x1f/0x290 [<c016a284>] check_poison_obj+0x24/0x1a0 [<c0280115>] soft_cursor+0x175/0x1e0 [<c01b1ad0>] __ext3_get_inode_loc+0x120/0x3a0 [<c016954e>] dbg_redzone1+0xe/0x20 [<c016a43e>] cache_alloc_debugcheck_after+0x3e/0x150 [<c01c1703>] journal_start+0x83/0xe0 [<c01b1e27>] ext3_reserve_inode_write+0x27/0x80 [<c01b226a>] ext3_mark_inode_dirty+0x1a/0x40 [<c01b2719>] ext3_dirty_inode+0x79/0xb0 [<c018a744>] __mark_inode_dirty+0x34/0x1c0 [<c0181a59>] file_update_time+0x39/0xa0 [<c0152984>] __generic_file_aio_write_nolock+0x244/0x590 [<c0120fad>] __wake_up_sync+0x3d/0x60 [<c06154df>] __mutex_lock_slowpath+0xef/0x230 [<c0152d29>] generic_file_aio_write+0x59/0xd0 [<c01b04a0>] ext3_file_write+0x30/0xc0 [<c016e997>] do_sync_write+0xc7/0x130 [<c013c640>] autoremove_wake_function+0x0/0x50 [<c015f2e9>] remove_vma+0x39/0x50 [<c016f126>] vfs_write+0xa6/0x160 [<c016e8d0>] do_sync_write+0x0/0x130 [<c016f9e1>] sys_write+0x41/0x70 [<c010304c>] syscall_call+0x7/0xb ======================= Code: 00 8b 7c 24 18 f3 a5 fb 8b 44 24 10 85 c0 0f 84 2c ff ff ff 8b 44 24 10 e8 5c ca ff ff e9 1e ff ff ff 89 d8 e8 50 ca ff ff eb 8d <0f> 0b eb fe 0f 0b eb fe 0f 0b eb fe 89 f6 55 57 56 53 83 ec 48 EIP: [<c01912b2>] __find_get_block+0x1b2/0x1c0 SS:ESP 0068:f75a3c90
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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