On Thu, 07 Jun 2007 13:07:59 +0200 Michal Piotrowski <[EMAIL PROTECTED]> wrote:
> Andrew Morton pisze: > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.22-rc4/2.6.22-rc4-mm2/ > > > > LTP triggered this > > [ 4691.872882] ------------[ cut here ]------------ > [ 4691.877619] kernel BUG at fs/buffer.c:1821! > [ 4691.881857] invalid opcode: 0000 [#1] > [ 4691.885596] PREEMPT SMP > [ 4691.888205] Modules linked in: isofs nls_base zlib_inflate autofs4 sunrpc > af_packet nf_conntrack_netbios_ns nf_conntrack_ipv4 xt_state nf_conntrack > nfnetlink ipt_REJECT iptable_filter ip_tables xt_tcpudp ip6t_REJECT > ip6table_filter ip6_tables x_tables firmware_class binfmt_misc thermal > processor fan container ipv6 nvram loop snd_intel8x0 snd_ac97_codec ac97_bus > snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device > snd_pcm_oss snd_mixer_oss snd_pcm snd_timer i2c_i801 snd soundcore intel_agp > snd_page_alloc agpgart evdev rtc > [ 4691.937384] CPU: 1 > [ 4691.937385] EIP: 0060:[<c04a510f>] Not tainted VLI > [ 4691.937387] EFLAGS: 00010202 (2.6.22-rc4-mm2 #1) > [ 4691.949984] EIP is at __block_prepare_write+0x64/0x3a5 > [ 4691.955164] eax: 00000001 ebx: c624fc50 ecx: c07e0910 edx: 00000001 > [ 4691.962041] esi: 00000418 edi: 00000000 ebp: cc454dc0 esp: cc454d60 > [ 4691.968946] ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068 > [ 4691.974850] Process vmsplice01 (pid: 8420, ti=cc454000 task=cafe6800 > task.ti=cc454000) > [ 4691.982699] Stack: cc454d80 c0443c61 00000001 00000001 c7f71080 00000418 > c624fc50 c98ec464 > [ 4691.991372] 00000000 00000286 c04d6706 c523d7c8 00000050 c04d6706 > c7f71080 c828d7f0 > [ 4691.999998] c7f71094 cc454dd4 c04d673f c065cfbc c624fc50 c624fc50 > 00000418 00000000 > [ 4692.008729] Call Trace: > [ 4692.011397] [<c04a5513>] block_write_begin+0x90/0xf4 > [ 4692.016556] [<c04c9779>] ext3_write_begin+0xda/0x19b > [ 4692.021750] [<c0464b5a>] pagecache_write_begin+0x4d/0x12f > [ 4692.027349] [<c04a1a35>] pipe_to_file+0xa0/0x15f > [ 4692.032148] [<c04a14af>] __splice_from_pipe+0x63/0x1d2 > [ 4692.037459] [<c04a1660>] splice_from_pipe+0x42/0x58 > [ 4692.042544] [<c04a1916>] generic_file_splice_write+0x8b/0x10a > [ 4692.048477] [<c04a1409>] do_splice_from+0xca/0xd6 > [ 4692.053391] [<c04a2754>] sys_splice+0x108/0x22b > [ 4692.058119] [<c040420c>] syscall_call+0x7/0xb > [ 4692.062691] [<b7f53410>] 0xb7f53410 > [ 4692.066398] ======================= > [ 4692.070031] INFO: lockdep is turned off. > [ 4692.074038] Code: 2c 09 7e c0 e8 2f 6e 07 00 85 c0 74 04 0f 0b eb fe 31 d2 > 81 7d 08 00 10 00 00 0f 97 c2 b8 10 09 7e c0 e8 11 6e 07 00 85 c0 74 04 <0f> > 0b eb fe 8b 55 08 39 55 b4 0f 97 c2 0f b6 d2 b8 f4 08 7e c0 > [ 4692.094556] EIP: [<c04a510f>] __block_prepare_write+0x64/0x3a5 SS:ESP > 0068:cc454d60 > > (gdb) l *__block_prepare_write+0x64 > 0xc10a510f is in __block_prepare_write (fs/buffer.c:1821). > 1816 unsigned blocksize, bbits; > 1817 struct buffer_head *bh, *head, *wait[2], **wait_bh=wait; > 1818 > 1819 BUG_ON(!PageLocked(page)); > 1820 BUG_ON(from > PAGE_CACHE_SIZE); > 1821 BUG_ON(to > PAGE_CACHE_SIZE); > 1822 BUG_ON(from > to); > 1823 > 1824 blocksize = 1 << inode->i_blkbits; > 1825 if (!page_has_buffers(page)) yup, thanks, I'd forgotten about that one. Nick had a protofix but afaik nobody has tested it yet. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
