BTRFS with compression crash on 2.6.30.5

------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-tree.c:4158! invalid opcode: 0000 [#1] SMP last sysfs file: /sys/module/zlib_deflate/initstate CPU 1 Modules linked in: btrfs crc32c libcrc32c nls_iso8859_1 nls_cp437 vfat fat usb_storage ub i915 drm i2c_algo_bit i2c_core binfmt_misc ppdev lp parport bridge stp bnep sco rfcomm l2cap vboxnetadp vboxnetflt vboxdrv kvm_intel kvm tun acpi_cpufreq cpufreq_ondemand cpufreq_powersave cpufreq_userspace cpufreq_stats freq_table microcode deflate zlib_deflate ctr twofish twofish_common camellia serpent blowfish cast5 des_generic cbc cryptd aes_x86_64 aes_generic xcbc rmd160 sha256_generic sha1_generic md5 hmac crypto_null af_key ext3 jbd mbcache fuse dm_crypt dm_snapshot dm_mirror dm_region_hash dm_log pata_pcmcia ide_cs snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss pcmcia snd_pcm arc4 snd_seq_dummy ecb snd_seq_oss snd_seq_midi snd_rawmidi iwlagn joydev yenta_socket snd_seq_midi_event iwlcore btusb snd_seq rsrc_nonstatic snd_timer bluetooth snd_seq_device pcmcia_core rfkill hp_accel mac80211 wmi rtc_cmos lis3lv02d rtc_core snd cfg80211 rtc_lib pcspkr soundcore battery processor snd_page_alloc psmouse irda serio_raw ac button container crc_ccitt evdev xfs exportfs dm_mod sd_mod crc_t10dif ide_cd_mod cdrom ata_generic pata_acpi ata_piix uhci_hcd ide_pci_generic sdhci_pci sdhci ahci mmc_core led_class ricoh_mmc e1000e ehci_hcd usbcore piix ide_core intel_agp libata scsi_mod video output thermal fan thermal_sys [last unloaded: scsi_wait_scan] Pid: 22723, comm: du Tainted: G W 2.6.30.5 #1 HP Compaq 6910p (RH241AV) RIP: 0010:[] [] run_one_delayed_ref+0x18f/0x482 [btrfs] RSP: 0018:ffff880037705be8 EFLAGS: 00010286 RAX: 00000000ffffffe4 RBX: ffff880055a20000 RCX: ffff88001f74c870 RDX: 0000000000000000 RSI: ffff88001f74c870 RDI: 00000000865361f4 RBP: ffff880037705c88 R08: 0000000000000006 R09: ffffffff805a86a7 R10: 000000000000000f R11: 0000000000003e20 R12: 0000000000000001 R13: ffff88001f74c870 R14: ffff88007de37b40 R15: ffff88007de37b40 FS: 00007f0dc7bbc6f0(0000) GS:ffff88000102c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb65df26000 CR3: 000000007dfe6000 CR4: 00000000000026e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process du (pid: 22723, threadinfo ffff880037704000, task ffff88006fb00000) Stack: 0000000000000000 00000000865361f4 ffff880037705c18 ffffffff802eb921 ffff8800049c7800 ffff88002196d000 0000000000000005 0000000000000000 0000000000000000 00000000a09a9a54 0000000024e47000 00000000001000a8 Call Trace: [] ? virt_to_head_page+0x1c/0x51 [] run_clustered_refs+0x25c/0x2af [btrfs] [] ? btrfs_find_ref_cluster+0x107/0x162 [btrfs] [] btrfs_run_delayed_refs+0xdc/0x199 [btrfs] [] __btrfs_end_transaction+0x6c/0x128 [btrfs] [] btrfs_end_transaction+0x1e/0x34 [btrfs] [] btrfs_dirty_inode+0x58/0x77 [btrfs] [] __mark_inode_dirty+0x42/0x1bd [] ? filldir+0x0/0xe3 [] touch_atime+0x11b/0x13a [] vfs_readdir+0xa1/0xd5 [] ? fd_install+0x43/0x89 [] sys_getdents+0x8c/0xec [] system_call_fastpath+0x16/0x1b Code: 00 08 48 8d 4d b0 48 8b 73 20 41 b9 01 00 00 00 c7 45 c4 33 00 00 00 4c 8d 45 c4 48 89 c2 48 8b 7d 88 e8 1e 95 ff ff 85 c0 74 04 <0f> 0b eb fe 4d 8b 65 00 49 63 75 40 4c 89 e7 48 6b f6 19 48 83 RIP [] run_one_delayed_ref+0x18f/0x482 [btrfs] RSP ---[ end trace 830eb32434834c21 ]---

| BTRFS with compression crash on 2.6.30.5 | | 2009.09.23-21:50.00

apt-get: Floating point exception

sid: ~# apt-get update
Floating point exception
Culprit: gcc 4.1.2 runtime (gcc-4.1-base libgcc and libstdc++ )
sid: ~# dpkg -i /var/cache/apt/archives/libstdc++6_4.1.1-21_i386.deb
dpkg - warning: downgrading libstdc++6 from 4.1.2-5 to 4.1.1-21.
(Reading database ... 17076 files and directories currently installed.)
Preparing to replace libstdc++6 4.1.2-5 (using .../libstdc++6_4.1.1-21_i386.deb) ...
Unpacking replacement libstdc++6 ...
Setting up libstdc++6 (4.1.1-21) ...

sid: ~# apt-get upgrade
Reading package lists... Done
Building dependency tree... Done

| apt-get: Floating point exception | | 2007.05.15-08:11.00

1) rmmod is missing 2) cfdisk is missing 3) ping is missing 4) tcpdump is missing 5) less is missing

| | | 2007.04.08-21:01.00

 Don't let your mind wander -- it's too little to be let out alone.