Package: Kernel USB hard drives function normally until every once in a while (about every 30 min), some random errors are displayed by knotify usually indicating write errors. The mounted drives sometimes become read-only, are unmounted, or become unresponsive in some other way.
I am using Debian 6.0.2.1 , Linux 2.6.32-5-amd64 #1 SMP Tue Jun 14 09:42:28 UTC 2011 x86_64 GNU/Linux Here is the dmesg output: [ 872.873295] ------------[ cut here ]------------ [ 872.873298] kernel BUG at /build/buildd-linux-2.6_2.6.32-35-amd64-aZSlKL/linux-2.6-2.6.32/debian/build/source_amd64_none/mm/slub.c:2969! [ 872.873300] invalid opcode: 0000 [#1] SMP [ 872.873302] last sysfs file: /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.3/1-1.3:1.0/host4/target4:0:0/4:0:0:0/block/sdc/size [ 872.873304] CPU 1 [ 872.873305] Modules linked in: usb_storage fuse ext2 loop firewire_sbp2 snd_hda_codec_atihdmi snd_oxygen snd_oxygen_lib snd_mpu401_uart snd_seq_midi snd_hda_intel snd_hda_codec snd_seq_midi_event snd_rawmidi snd_hwdep radeon ttm drm_kms_helper snd_pcm snd_seq drm i2c_algo_bit snd_timer snd_seq_device snd soundcore snd_page_alloc wmi shpchp evdev pcspkr joydev psmouse i2c_i801 pci_hotplug i2c_core serio_raw button processor ext3 jbd mbcache sg sr_mod usbhid hid cdrom sd_mod crc_t10dif r8169 xhci ata_generic ata_piix floppy libata mii ehci_hcd firewire_ohci usbcore scsi_mod nls_base firewire_core crc_itu_t thermal thermal_sys [last unloaded: scsi_wait_scan] [ 872.873332] Pid: 236, comm: ksuspend_usbd Not tainted 2.6.32-5-amd64 #1 To Be Filled By O.E.M. [ 872.873333] RIP: 0010:[<ffffffff810e730b>] [<ffffffff810e730b>] kfree+0x55/0xcb [ 872.873339] RSP: 0018:ffff8804399fdc30 EFLAGS: 00010246 [ 872.873341] RAX: 0200000000100068 RBX: 0000000000000004 RCX: ffffffff811906bd [ 872.873342] RDX: 0000000000000004 RSI: ffff88000fa920d0 RDI: ffffea000e000000 [ 872.873343] RBP: ffff880400000000 R08: ffff8804399fdbe8 R09: ffffffff81452c20 [ 872.873345] R10: 0000000000000000 R11: ffff88043b3e7478 R12: ffffffffa006c788 [ 872.873346] R13: 0000000000000004 R14: ffff88043ab748a3 R15: 0000000000000000 [ 872.873347] FS: 0000000000000000(0000) GS:ffff88000fa80000(0000) knlGS:0000000000000000 [ 872.873349] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b [ 872.873350] CR2: 00007fc38b542000 CR3: 0000000001001000 CR4: 00000000000406e0 [ 872.873351] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 872.873353] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 872.873354] Process ksuspend_usbd (pid: 236, threadinfo ffff8804399fc000, task ffff88043a97e9f0) [ 872.873355] Stack: [ 872.873356] 0000000000000004 ffff880400000000 0000000000000008 ffffffffa006c788 [ 872.873358] <0> 00000000fffffffe 8000018000000001 ffff88043ab74800 0000000000000082 [ 872.873360] <0> 0000000400000003 0000000000000001 00000000ffffff92 ffff88043b3e7200 [ 872.873362] Call Trace: [ 872.873369] [<ffffffffa006c788>] ? usb_control_msg+0x124/0x135 [usbcore] [ 872.873373] [<ffffffffa0064ca0>] ? hub_port_status+0x7d/0x104 [usbcore] [ 872.873377] [<ffffffffa0069e23>] ? unlink1+0xb2/0xd4 [usbcore] [ 872.873381] [<ffffffffa00659e8>] ? hub_activate+0x14b/0x360 [usbcore] [ 872.873385] [<ffffffffa006b177>] ? usb_kill_urb+0x44/0xbb [usbcore] [ 872.873389] [<ffffffffa0065c75>] ? hub_resume+0x1a/0x1f [usbcore] [ 872.873393] [<ffffffffa006dbda>] ? usb_resume_interface+0xd2/0x154 [usbcore] [ 872.873397] [<ffffffffa006e218>] ? usb_suspend_both+0x1d1/0x27d [usbcore] [ 872.873400] [<ffffffffa006def9>] ? usb_autopm_do_device+0xbb/0xd4 [usbcore] [ 872.873404] [<ffffffff810618e7>] ? worker_thread+0x188/0x21d [ 872.873408] [<ffffffffa006e3ea>] ? usb_autosuspend_work+0x0/0xe [usbcore] [ 872.873410] [<ffffffff81064f1a>] ? autoremove_wake_function+0x0/0x2e [ 872.873412] [<ffffffff8106175f>] ? worker_thread+0x0/0x21d [ 872.873414] [<ffffffff81064c4d>] ? kthread+0x79/0x81 [ 872.873417] [<ffffffff81011baa>] ? child_rip+0xa/0x20 [ 872.873418] [<ffffffff81064bd4>] ? kthread+0x0/0x81 [ 872.873420] [<ffffffff81011ba0>] ? child_rip+0x0/0x20 [ 872.873420] Code: 83 c3 08 48 83 3b 00 eb ec 48 83 fd 10 0f 86 89 00 00 00 48 89 ef e8 b9 e8 ff ff 48 89 c7 48 8b 00 84 c0 78 13 66 a9 00 c0 75 04 <0f> 0b eb fe 5b 5d 41 5c e9 98 56 fd ff 48 8b 4c 24 18 4c 8b 4f [ 872.873437] RIP [<ffffffff810e730b>] kfree+0x55/0xcb [ 872.873439] RSP <ffff8804399fdc30> [ 872.873441] ---[ end trace 4f82cf7ed3d49c5e ]---
