Stack Backtraces -- disk related?

[David Benfell]

Hello all,

I've been getting these messages on my console and in my kernel log.
I'm noticing stuff in there that looks like it has to do with the
filesystem.  Both the disks on this system are IDE disks, so yes, this
kind of gets my attention.

What does it mean?  I'm running 5.2-CURRENT on this system:

> 
> syscall(2f,2f,2f,bfbfee14,bfbfedc3) at syscall+0x217
> Xint0x80_syscall() at Xint0x80_syscall+0x1d
> --- syscall (95), eip = 0x280b8677, esp = 0xbfbfed9c, ebp = 0xbfbfedcc ---
> Stack backtrace:
> backtrace(c25d0f00,1,cda99c14,cda99c00,c0718580) at backtrace+0x12
> getdirtybuf(cda99bf0,0,1,c45b52a8,1) at getdirtybuf+0x2c
> flush_deplist(c2c27a4c,1,cda99c14) at flush_deplist+0x30
> flush_inodedep_deps(c217b000,285eb,c087f118,cda99c60,c05fb1e0) at flush_inodedep_deps+0x82
> softdep_sync_metadata(cda99cb0) at softdep_sync_metadata+0x72
> ffs_fsync(cda99cb0) at ffs_fsync+0x336
> fsync(c23f37e0,cda99d14,1,1,292) at fsync+0x10b
> syscall(2f,2f,2f,bfbfee14,bfbfedc3) at syscall+0x217
> Xint0x80_syscall() at Xint0x80_syscall+0x1d
> --- syscall (95), eip = 0x280b8677, esp = 0xbfbfed9c, ebp = 0xbfbfedcc ---
> Stack backtrace:
> backtrace(c2850000,1,cd546c14,cd546c00,c0718580) at backtrace+0x12
> getdirtybuf(cd546bf0,0,1,c45b52a8,1) at getdirtybuf+0x2c
> flush_deplist(c25d32cc,1,cd546c14) at flush_deplist+0x30
> flush_inodedep_deps(c217b000,28528,c087f118,cd546c60,c05fb1e0) at flush_inodedep_deps+0x82
> softdep_sync_metadata(cd546cb0) at softdep_sync_metadata+0x72
> ffs_fsync(cd546cb0) at ffs_fsync+0x336
> fsync(c20f73f0,cd546d14,1,9cf,292) at fsync+0x10b
> syscall(2f,2f,2f,c,0) at syscall+0x217
> Xint0x80_syscall() at Xint0x80_syscall+0x1d
> --- syscall (95), eip = 0x280be677, esp = 0xbfbfebbc, ebp = 0xbfbfecf8 ---
> Stack backtrace:
> backtrace(c21a0a80,1,cd546c14,cd546c00,c0718580) at backtrace+0x12
> getdirtybuf(cd546bf0,0,1,c45b52a8,1) at getdirtybuf+0x2c
> flush_deplist(c27fda4c,1,cd546c14) at flush_deplist+0x30
> flush_inodedep_deps(c217b000,2852a,c087f118,cd546c60,c05fb1e0) at flush_inodedep_deps+0x82
> softdep_sync_metadata(cd546cb0) at softdep_sync_metadata+0x72
> ffs_fsync(cd546cb0) at ffs_fsync+0x336
> fsync(c20f73f0,cd546d14,1,9e3,292) at fsync+0x10b
> syscall(2f,2f,2f,ffffffff,0) at syscall+0x217
> Xint0x80_syscall() at Xint0x80_syscall+0x1d
> --- syscall (95), eip = 0x280be677, esp = 0xbfbfebbc, ebp = 0xbfbfecf8 ---
> Stack backtrace:
> backtrace(c2845300,1,cd546c14,cd546c00,c0718580) at backtrace+0x12
> getdirtybuf(cd546bf0,0,1,c45ddc58,1) at getdirtybuf+0x2c
> flush_deplist(c2c26d4c,1,cd546c14) at flush_deplist+0x30
> flush_inodedep_deps(c217b000,28486,c087f118,cd546c60,c05fb1e0) at flush_inodedep_deps+0x82
> softdep_sync_metadata(cd546cb0) at softdep_sync_metadata+0x72
> ffs_fsync(cd546cb0) at ffs_fsync+0x336
> fsync(c20f73f0,cd546d14,1,cbb,292) at fsync+0x10b
> syscall(2f,2f,2f,ffffffff,0) at syscall+0x217
> Xint0x80_syscall() at Xint0x80_syscall+0x1d
> --- syscall (95), eip = 0x280be677, esp = 0xbfbfebbc, ebp = 0xbfbfecf8 ---
> Stack backtrace:
> backtrace(c2893200,1,cd546c14,cd546c00,c0718580) at backtrace+0x12
> getdirtybuf(cd546bf0,0,1,c459b100,1) at getdirtybuf+0x2c
> flush_deplist(c28acccc,1,cd546c14) at flush_deplist+0x30
> flush_inodedep_deps(c217b000,285f5,c087f118,cd546c60,c05fb1e0) at flush_inodedep_deps+0x82
> softdep_sync_metadata(cd546cb0) at softdep_sync_metadata+0x72
> ffs_fsync(cd546cb0) at ffs_fsync+0x336
> fsync(c20f73f0,cd546d14,1,fc0,292) at fsync+0x10b
> syscall(2f,2f,2f,ffffffff,0) at syscall+0x217
> Xint0x80_syscall() at Xint0x80_syscall+0x1d
> --- syscall (95), eip = 0x280be677, esp = 0xbfbfebbc, ebp = 0xbfbfecf8 ---
> Stack backtrace:
> backtrace(c288d500,1,cdb4ec14,cdb4ec00,c0718580) at backtrace+0x12
> getdirtybuf(cdb4ebf0,0,1,c459b100,1) at getdirtybuf+0x2c
> flush_deplist(c2850ccc,1,cdb4ec14) at flush_deplist+0x30
> flush_inodedep_deps(c217b000,28572,c087f118,cdb4ec60,c05fb1e0) at flush_inodedep_deps+0x82
> softdep_sync_metadata(cdb4ecb0) at softdep_sync_metadata+0x72
> ffs_fsync(cdb4ecb0) at ffs_fsync+0x336
> fsync(c261f000,cdb4ed14,1,0,292) at fsync+0x10b
> syscall(2f,2f,2f,bfbfee14,bfbfedc3) at syscall+0x217
> Xint0x80_syscall() at Xint0x80_syscall+0x1d
> --- syscall (95), eip = 0x280b8677, esp = 0xbfbfed9c, ebp = 0xbfbfedcc ---
> Stack backtrace:
> backtrace(c2893880,1,cda8dc14,cda8dc00,c0718580) at backtrace+0x12
> getdirtybuf(cda8dbf0,0,1,c459b100,1) at getdirtybuf+0x2c
> flush_deplist(c28acbcc,1,cda8dc14) at flush_deplist+0x30
> flush_inodedep_deps(c217b000,28573,c087f118,cda8dc60,c05fb1e0) at flush_inodedep_deps+0x82
> softdep_sync_metadata(cda8dcb0) at softdep_sync_metadata+0x72
> ffs_fsync(cda8dcb0) at ffs_fsync+0x336
> fsync(c23f32a0,cda8dd14,1,2,292) at fsync+0x10b
> syscall(2f,2f,2f,bfbfee14,bfbfedc3) at syscall+0x217
> Xint0x80_syscall() at Xint0x80_syscall+0x1d
> --- syscall (95), eip = 0x280b8677, esp = 0xbfbfed9c, ebp = 0xbfbfedcc ---
> Stack backtrace:
> backtrace(c288ee00,1,cd546c14,cd546c00,c0718580) at backtrace+0x12
> getdirtybuf(cd546bf0,0,1,c4606450,1) at getdirtybuf+0x2c
> flush_deplist(c282bc4c,1,cd546c14) at flush_deplist+0x30
> flush_inodedep_deps(c217b000,284cc,c087f118,cd546c60,c05fb1e0) at flush_inodedep_deps+0x82
> softdep_sync_metadata(cd546cb0) at softdep_sync_metadata+0x72
> ffs_fsync(cd546cb0) at ffs_fsync+0x336
> fsync(c20f73f0,cd546d14,1,12d9,292) at fsync+0x10b
> syscall(2f,2f,2f,ffffffff,0) at syscall+0x217
> Xint0x80_syscall() at Xint0x80_syscall+0x1d
> --- syscall (95), eip = 0x280be677, esp = 0xbfbfebbc, ebp = 0xbfbfecf8 ---
> Stack backtrace:
> backtrace(c25d0200,1,cda75c14,cda75c00,c0718580) at backtrace+0x12
> getdirtybuf(cda75bf0,0,1,c4607fd0,1) at getdirtybuf+0x2c
> flush_deplist(c281f8cc,1,cda75c14) at flush_deplist+0x30
> flush_inodedep_deps(c217b000,28522,c087f118,cda75c60,c05fb1e0) at flush_inodedep_deps+0x82
> softdep_sync_metadata(cda75cb0) at softdep_sync_metadata+0x72
> ffs_fsync(cda75cb0) at ffs_fsync+0x336
> fsync(c23f27e0,cda75d14,1,2,292) at fsync+0x10b
> syscall(2f,2f,2f,bfbfee14,bfbfedc3) at syscall+0x217
> Xint0x80_syscall() at Xint0x80_syscall+0x1d
> --- syscall (95), eip = 0x280b8677, esp = 0xbfbfed9c, ebp = 0xbfbfedcc ---
> Stack backtrace:
> backtrace(c25d0200,1,cdb54c14,cdb54c00,c0718580) at backtrace+0x12
> getdirtybuf(cdb54bf0,0,1,c4607fd0,1) at getdirtybuf+0x2c
> flush_deplist(c289cccc,1,cdb54c14) at flush_deplist+0x30
> flush_inodedep_deps(c217b000,285e4,c087f118,cdb54c60,c05fb1e0) at flush_inodedep_deps+0x82
> softdep_sync_metadata(cdb54cb0) at softdep_sync_metadata+0x72
> ffs_fsync(cdb54cb0) at ffs_fsync+0x336
> fsync(c261f2a0,cdb54d14,1,1,292) at fsync+0x10b
> syscall(2f,2f,2f,bfbfee14,bfbfee1c) at syscall+0x217
> Xint0x80_syscall() at Xint0x80_syscall+0x1d
> --- syscall (95), eip = 0x280b8677, esp = 0xbfbfed9c, ebp = 0xbfbfedcc ---
> Stack backtrace:
> backtrace(c25d2a80,1,cdb6fc14,cdb6fc00,c0718580) at backtrace+0x12
> getdirtybuf(cdb6fbf0,0,1,c4607fd0,1) at getdirtybuf+0x2c
> flush_deplist(c26cd04c,1,cdb6fc14) at flush_deplist+0x30
> flush_inodedep_deps(c217b000,285e5,c087f118,cdb6fc60,c05fb1e0) at flush_inodedep_deps+0x82
> softdep_sync_metadata(cdb6fcb0) at softdep_sync_metadata+0x72
> ffs_fsync(cdb6fcb0) at ffs_fsync+0x336
> fsync(c261fe70,cdb6fd14,1,1,292) at fsync+0x10b
> syscall(2f,2f,2f,bfbfee14,bfbfee1c) at syscall+0x217
> Xint0x80_syscall() at Xint0x80_syscall+0x1d
> --- syscall (95), eip = 0x280b8677, esp = 0xbfbfed9c, ebp = 0xbfbfedcc ---
> Stack backtrace:
> backtrace(c2850100,1,cdb54c14,cdb54c00,c0718580) at backtrace+0x12
> getdirtybuf(cdb54bf0,0,1,c45a4840,1) at getdirtybuf+0x2c
> flush_deplist(c290d6cc,1,cdb54c14) at flush_deplist+0x30
> flush_inodedep_deps(c217b000,285eb,c087f118,cdb54c60,c05fb1e0) at flush_inodedep_deps+0x82
> softdep_sync_metadata(cdb54cb0) at softdep_sync_metadata+0x72
> ffs_fsync(cdb54cb0) at ffs_fsync+0x336
> fsync(c261f2a0,cdb54d14,1,0,292) at fsync+0x10b
> syscall(2f,2f,2f,bfbfee14,bfbfedc3) at syscall+0x217
> Xint0x80_syscall() at Xint0x80_syscall+0x1d
> --- syscall (95), eip = 0x280b8677, esp = 0xbfbfed9c, ebp = 0xbfbfedcc ---
> Stack backtrace:
> backtrace(c2c23280,1,cdb25c14,cdb25c00,c0718580) at backtrace+0x12
> getdirtybuf(cdb25bf0,0,1,c45a4840,1) at getdirtybuf+0x2c
> flush_deplist(c21b604c,1,cdb25c14) at flush_deplist+0x30
> flush_inodedep_deps(c217b000,285ec,c087f118,cdb25c60,c05fb1e0) at flush_inodedep_deps+0x82
> softdep_sync_metadata(cdb25cb0) at softdep_sync_metadata+0x72
> ffs_fsync(cdb25cb0) at ffs_fsync+0x336
> fsync(c23a4e70,cdb25d14,1,1,292) at fsync+0x10b

-- 
David Benfell, LCP
benfell at parts-unknown.org
---
Resume available at http://www.parts-unknown.org/resume.html
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