search for: sched_clk

Displaying 4 results from an estimated 4 matches for "sched_clk".

2012 Sep 12
2
Deadlock in btrfs-cleaner, related to snapshot deletion
...386.319867] [<ffffffff811b5145>] sys_sync+0x35/0x90 [ 386.319874] [<ffffffff816a686d>] system_call_fastpath+0x1a/0x1f [ 386.319881] Sched Debug Version: v0.10, 3.6.0-030600rc5-generic #201209082035 [ 386.319885] ktime : 386839.691480 [ 386.319889] sched_clk : 386319.878549 [ 386.319893] cpu_clk : 386319.878681 [ 386.319896] jiffies : 4294989005 [ 386.319899] sched_clock_stable : 1 [ 386.319901] [ 386.319903] sysctl_sched [ 386.3199...
2013 Jun 10
1
btrfs-cleaner Blocked on xfstests 068
...S_fstatfs+0x33/0x3f [ 413.409157] [<ffffffff8111245d>] SyS_ioctl+0x5e/0x85 [ 413.409157] [<ffffffff8161fdc6>] system_call_fastpath+0x1a/0x1f [ 413.409157] Sched Debug Version: v0.10, 3.10.0-rc5 #1 [ 413.409157] ktime : 413409.686757 [ 413.409157] sched_clk : 413319.289340 [ 413.409157] cpu_clk : 413409.157122 [ 413.409157] jiffies : 4295080704 [ 413.409157] sched_clock_stable : 0 [ 413.409157] sysctl_sched [ 413.409157] .sysctl_s...
2012 Jul 31
2
Btrfs Intermittent ENOSPC Issues
I''ve been working on running down intermittent ENOSPC issues. I can only seem to replicate ENOSPC errors when running zlib compression. However, I have been seeing similar ENOSPC errors to a lesser extent when playing with the LZ4HC patches. I apologize for not following up on this sooner, but I had drifted away from using zlib, and didn''t notice there was still an issue. My
2012 Aug 01
7
[PATCH] Btrfs: barrier before waitqueue_active
We need an smb_mb() before waitqueue_active to avoid missing wakeups. Before Mitch was hitting a deadlock between the ordered flushers and the transaction commit because the ordered flushers were waiting for more refs and were never woken up, so those smp_mb()''s are the most important. Everything else I added for correctness sake and to avoid getting bitten by this again somewhere else.