On Tuesday 09 February 2010, Bill Davidsen wrote: > Pretty simple to reproduce, boot, suspend, press shift > > Acer Aspire 1681, Celeron, 2.6.33-rc6. Trace and config attached. This looks suspicious: Feb 8 17:32:47 roadwarrior3 kernel: ata2.00: ACPI cmd 03/42:00:00:00:a0:ef (CFA REQUEST EXTENDED ERROR) rejected by device (Stat=0x51 Err=0x04) Feb 8 17:32:47 roadwarrior3 kernel: sd 0:0:0:0: [sda] Starting disk Feb 8 17:32:47 roadwarrior3 kernel: ata2.00: ACPI cmd 00/0c:00:00:00:a0:ef (NOP) rejected by device (Stat=0x51 Err=0x04) Feb 8 17:32:47 roadwarrior3 kernel: ata2.00: configured for UDMA/33 Feb 8 17:32:47 roadwarrior3 kernel: firewire_core: rediscovered device fw0 Feb 8 17:32:47 roadwarrior3 kernel: ata1.00: ACPI cmd 03/45:00:00:00:a0:ef (CFA REQUEST EXTENDED ERROR) rejected by device (Stat=0x51 Err=0x04) Feb 8 17:32:47 roadwarrior3 kernel: ata1.00: ACPI cmd 00/0c:00:00:00:a0:ef (NOP) rejected by device (Stat=0x51 Err=0x04) Feb 8 17:32:47 roadwarrior3 kernel: ata1.00: configured for UDMA/100 And the crash actually happens _after_ resume: Feb 8 17:32:47 roadwarrior3 kernel: PM: resume of devices complete after 1977.587 msecs Feb 8 17:32:47 roadwarrior3 kernel: Restarting tasks ... done. Feb 8 17:32:47 roadwarrior3 kernel: hub 2-0:1.0: over-current change on port 1 Feb 8 17:32:47 roadwarrior3 kernel: hub 2-0:1.0: over-current change on port 2 Feb 8 17:32:47 roadwarrior3 kernel: BUG: unable to handle kernel paging request at f72fd5a0 Feb 8 17:32:47 roadwarrior3 kernel: IP: [<c0552c43>] ext4_xattr_get+0xa0/0x232 Feb 8 17:32:47 roadwarrior3 kernel: *pde = 00007067 *pte = 00000000 Feb 8 17:32:47 roadwarrior3 kernel: Oops: 0000 [#1] SMP Feb 8 17:32:47 roadwarrior3 kernel: last sysfs file: /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor Feb 8 17:32:47 roadwarrior3 kernel: Modules linked in: nfs lockd fscache nfs_acl auth_rpcgss aes_generic lib80211_crypt_ccmp fuse sunrpc cpufreq_ondemand acpi_cpufreq ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables ipv6 ext2 uinput snd_intel8x0 snd_intel8x0m snd_ac97_codec ac97_bus snd_seq snd_seq_device ipw2200 snd_pcm libipw sbs cfg80211 b44 snd_timer ssb sbshc snd rfkill serio_raw tifm_7xx1 iTCO_wdt mii tifm_core lib80211 soundcore joydev iTCO_vendor_support i2c_i801 snd_page_alloc dm_multipath firewire_ohci firewire_core yenta_socket crc_itu_t rsrc_nonstatic video output radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan] Feb 8 17:32:47 roadwarrior3 kernel: Feb 8 17:32:47 roadwarrior3 kernel: Pid: 2396, comm: atd Not tainted 2.6.33-rc6 #1 Aspire 1680 /Aspire 1680 Feb 8 17:32:47 roadwarrior3 kernel: EIP: 0060:[<c0552c43>] EFLAGS: 00010286 CPU: 0 Feb 8 17:32:47 roadwarrior3 kernel: EIP is at ext4_xattr_get+0xa0/0x232 Feb 8 17:32:47 roadwarrior3 kernel: EAX: c1d82400 EBX: f72fd5a0 ECX: f72fd5a0 EDX: f72fd600 Feb 8 17:32:47 roadwarrior3 kernel: ESI: 00000000 EDI: f6a6c2f8 EBP: f5c51e08 ESP: f5c51dc8 Feb 8 17:32:47 roadwarrior3 kernel: DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Feb 8 17:32:47 roadwarrior3 kernel: Process atd (pid: 2396, ti=f5c50000 task=f39a7230 task.ti=f5c50000) Feb 8 17:32:47 roadwarrior3 kernel: Stack: Feb 8 17:32:47 roadwarrior3 kernel: f6a6c2f8 c2be22a0 00000163 00000007 c08b2bc1 00000006 f6a6c2c8 f6a6c270 Feb 8 17:32:47 roadwarrior3 kernel: <0> f72fd59c f69ea900 00000500 00000008 f72fd5a0 c08b2bc1 c1838bb0 f5c51e5c Feb 8 17:32:47 roadwarrior3 kernel: <0> f5c51e24 c0553bb0 f5c51e5c 00000014 c08b2bc1 c097807c c08b2bb8 f5c51e48 Feb 8 17:32:47 roadwarrior3 kernel: Call Trace: Feb 8 17:32:47 roadwarrior3 kernel: [<c0553bb0>] ? ext4_xattr_security_get+0x39/0x47 Feb 8 17:32:47 roadwarrior3 kernel: [<c04e496e>] ? generic_getxattr+0x66/0x6a Feb 8 17:32:47 roadwarrior3 kernel: [<c04e4908>] ? generic_getxattr+0x0/0x6a Feb 8 17:32:47 roadwarrior3 kernel: [<c057376f>] ? get_vfs_caps_from_disk+0x45/0xcb Feb 8 17:32:47 roadwarrior3 kernel: [<c057e984>] ? selinux_capable+0xb1/0xf6 Feb 8 17:32:47 roadwarrior3 kernel: [<c0573881>] ? cap_bprm_set_creds+0x8c/0x2f9 Feb 8 17:32:47 roadwarrior3 kernel: [<c057e673>] ? selinux_bprm_set_creds+0x31/0x20d Feb 8 17:32:47 roadwarrior3 kernel: [<c04b795a>] ? __vma_link+0x5d/0x61 Feb 8 17:32:47 roadwarrior3 kernel: [<c04b79b6>] ? vma_link+0x58/0x77 Feb 8 17:32:47 roadwarrior3 kernel: [<c04b7a8c>] ? insert_vm_struct+0xb7/0xca Feb 8 17:32:47 roadwarrior3 kernel: [<c0573ccb>] ? security_bprm_set_creds+0x11/0x13 Feb 8 17:32:47 roadwarrior3 kernel: [<c04d46d2>] ? prepare_binprm+0xbd/0xf4 Feb 8 17:32:47 roadwarrior3 kernel: [<c04d37b6>] ? count+0x34/0x6f Feb 8 17:32:47 roadwarrior3 kernel: [<c04d4ca8>] ? do_execve+0x132/0x270 Feb 8 17:32:47 roadwarrior3 kernel: [<c04091f0>] ? sys_execve+0x30/0x58 Feb 8 17:32:47 roadwarrior3 kernel: [<c040346e>] ? ptregs_execve+0x12/0x18 Feb 8 17:32:47 roadwarrior3 kernel: [<c040339f>] ? sysenter_do_call+0x12/0x28 Feb 8 17:32:47 roadwarrior3 kernel: Code: d9 89 5d f0 8b 87 a4 00 00 00 8b 80 84 01 00 00 03 50 64 eb 16 0f b6 01 83 c0 13 83 e0 fc 01 c1 39 d1 72 07 be fb ff ff ff eb 34 <83> 39 00 75 e5 e9 26 01 00 00 8b 45 f0 83 7d 08 00 8b 58 08 74 Feb 8 17:32:47 roadwarrior3 kernel: EIP: [<c0552c43>] ext4_xattr_get+0xa0/0x232 SS:ESP 0068:f5c51dc8 Feb 8 17:32:47 roadwarrior3 kernel: CR2: 00000000f72fd5a0 Feb 8 17:32:47 roadwarrior3 kernel: ---[ end trace b43953454f125bbd ]--- Any chance to use gdb for identifying the code at ext4_xattr_get+0xa0? 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