From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <46BC5033.5040602@domain.hid> Date: Fri, 10 Aug 2007 13:46:59 +0200 From: Jan Kiszka MIME-Version: 1.0 References: <46BC4DCE.80003@domain.hid> In-Reply-To: <46BC4DCE.80003@domain.hid> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig0BD1BC764978E7D6CA5B4FAB" Sender: jan.kiszka@domain.hid Subject: Re: [Xenomai-core] [2.6.22-BUG] inconsistent Linux IRQ mask List-Id: "Xenomai life and development \(bug reports, patches, discussions\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Philippe Gerum Cc: xenomai-core This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig0BD1BC764978E7D6CA5B4FAB Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: quoted-printable Jan Kiszka wrote: > Hi Philippe, >=20 > this appears to be related to 2.6.22+ only: >=20 > ------------[ cut here ]------------ > kernel BUG at fs/buffer.c:1230! > invalid opcode: 0000 [#1] > PREEMPT > Modules linked in: xeno_rtdm xeno_nucleus ip6t_LOG xt_TCPMSS nvram uin= put snd_pcm_oss cifs snd_mixer_oss snd_seq snd_seq_device radeon drm wlan= _tkip af_packet thinkpad_acpi button battery ac ip6t_REJECT xt_state ipta= ble_nat nf_nat ip6table_mangle nf_conntrack_ipv4 nf_conntrack nfnetlink i= p6table_filter ip6_tables ipv6 nls_iso8859_1 nls_cp437 vfat fat nls_utf8 = ntfs dm_mod fuse wlan_scan_sta ath_rate_sample pcmcia snd_intel8x0 firmwa= re_class snd_ac97_codec ac97_bus snd_pcm ath_pci nsc_ircc wlan ide_cd ird= a snd_timer e100 cdrom ath_hal(P) snd i2c_i801 uhci_hcd ehci_hcd mii yent= a_socket rsrc_nonstatic soundcore usbcore snd_page_alloc i2c_core intel_a= gp crc_ccitt pcmcia_core agpgart parport_pc lp parport reiserfs edd fan p= iix ide_disk ide_core > CPU: 0 > EIP: 0060:[] Tainted: P VLI > EFLAGS: 00210246 (2.6.22.2-adeos #7) > EIP is at __find_get_block+0x2c/0x1e8 > eax: 00000000 ebx: e3635dac ecx: 00000000 edx: 00002e4e > esi: 00001000 edi: eeeb3080 ebp: e3635b30 esp: e3635af8 > ds: 007b es: 007b fs: 0000 gs: 0033 ss: 0068 > Process kio_file (pid: 7433, ti=3De3634000 task=3De6d780b0 task.ti=3De= 3634000)<0> > I-pipe domain Linux > Stack: 00002e4e 00000000 c16e0718 eff36a90 e3634000 e3635b1c c0308f1e = c05dd700 > 00000000 e3635b2c c030bbfd e3635dac 00001000 e3635db4 e3635b98 = c01881a4 > 00001000 c05dd700 511c5a51 00000022 c014aade 00002e4e 00000000 = eeeb3080 > Call Trace: > [] show_trace_log_lvl+0x1f/0x34 > [] show_stack_log_lvl+0xa0/0xa8 > [] show_registers+0x207/0x35c > [] die+0x114/0x22a > [] do_trap+0x8e/0xa7 > [] do_invalid_op+0x8d/0x97 > [] __ipipe_handle_exception+0xb1/0x11f > [] error_code+0x6f/0x7c > [] __getblk+0x25/0x29a > [] search_by_key+0x97/0xe38 [reiserfs] > [] search_by_entry_key+0x20/0x231 [reiserfs] > [] reiserfs_find_entry+0x75/0x2d0 [reiserfs] > [] reiserfs_lookup+0x6d/0x122 [reiserfs] > ... >=20 > I get this over 2.6.22.2 with latest trunk + ipipe-1.9-03, only > modprobe'ing xeno_rtdm (so that the nucleus becomes active) and then > logging into KDE. Same box, same Xenomai, but 2.6.20.15: no problem at > all (also xeno-text runs fine here, BTW). When Xenomai is inactive, > 2.6.22 makes no problems as well. Note that the tracer is compiled in, > but is deactivated. Activating it (with the hope to get a panic > backtrace) makes the issue disappear as well. Ah, and then there was this warning once (same kernel that reliably BUGs)= : WARNING: at kernel/softirq.c:138 local_bh_enable() [] show_trace_log_lvl+0x1f/0x34 [] show_trace+0x17/0x19 [] dump_stack+0x1a/0x1c [] local_bh_enable+0x53/0xb3 [] lock_sock_nested+0xbe/0xc6 [] sock_fasync+0x68/0x125 [] sock_close+0x2a/0x38 [] __fput+0xb9/0x195 [] fput+0x1b/0x1d [] filp_close+0x59/0x61 [] sys_close+0x73/0xab [] sysenter_past_esp+0x6e/0x72 Probably a different symptom of the same bug. Jan --------------enig0BD1BC764978E7D6CA5B4FAB Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFGvFA0niDOoMHTA+kRArdYAJ9+5aIaY5/3NdL0Coj8GCfU2I7nLwCfQT3R vezRnC9gj4l8MmaUfoyUh5M= =RaNX -----END PGP SIGNATURE----- --------------enig0BD1BC764978E7D6CA5B4FAB--