[Bug 426239] Re: grub-pc hangs while package is configured

Jörn Dreyer jfd at butonic.de
Thu Oct 15 01:24:56 UTC 2009


same problem and yep, got a kernel oops ... usb sdcard reader present 
[ 7321.141260] INFO: task grub-mkdevicema:25249 blocked for more than 120 seconds.
[ 7321.141260] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 7321.141260] grub-mkdevice D 0000000000000000     0 25249  25246 0x00000000
[ 7321.141260]  ffff880042de9c28 0000000000000086 0000000000000000 0000000000015580
[ 7321.141260]  ffff8800ab01b110 0000000000015580 0000000000015580 0000000000015580
[ 7321.141260]  0000000000015580 ffff8800ab01b110 0000000000015580 0000000000015580
[ 7321.141260] Call Trace:
[ 7321.141260]  [<ffffffff81522447>] __mutex_lock_slowpath+0xd7/0x160
[ 7321.141260]  [<ffffffff81147bd0>] ? blkdev_open+0x0/0xc0
[ 7321.141260]  [<ffffffff81522346>] mutex_lock+0x26/0x50
[ 7321.141260]  [<ffffffff81147858>] __blkdev_get+0x38/0x3a0
[ 7321.141260]  [<ffffffff81147bd0>] ? blkdev_open+0x0/0xc0
[ 7321.141260]  [<ffffffff81147bcb>] blkdev_get+0xb/0x10
[ 7321.141260]  [<ffffffff81147c3c>] blkdev_open+0x6c/0xc0
[ 7321.141260]  [<ffffffff81117ed6>] __dentry_open+0xe6/0x2e0
[ 7321.141260]  [<ffffffff811181d7>] nameidata_to_filp+0x57/0x70
[ 7321.141260]  [<ffffffff811275fa>] do_filp_open+0x2ca/0xac0
[ 7321.141260]  [<ffffffff810ef679>] ? __do_fault+0x419/0x4e0
[ 7321.141260]  [<ffffffff81032419>] ? default_spin_lock_flags+0x9/0x10
[ 7321.141260]  [<ffffffff81277912>] ? __strncpy_from_user+0x22/0x60
[ 7321.141260]  [<ffffffff81132072>] ? alloc_fd+0x102/0x150
[ 7321.141260]  [<ffffffff81117ca4>] do_sys_open+0x64/0x160
[ 7321.141260]  [<ffffffff81117dcb>] sys_open+0x1b/0x20
[ 7321.141260]  [<ffffffff81011fc2>] system_call_fastpath+0x16/0x1b

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grub-pc hangs while package is configured
https://bugs.launchpad.net/bugs/426239
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