On Fri, 2009-09-11 at 09:18 +0000, bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=14159 > > Summary: AIC79xx is not working properly with an attached scsi > tape since 2.6.29 > Product: SCSI Drivers > Version: 2.5 > Kernel Version: 2.6.27 (working), 2.6.30 (not working) > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: Other > AssignedTo: scsi_drivers-other@xxxxxxxxxxxxxxxxxxxx > ReportedBy: g.giorgetti@xxxxxxxxxxxxxx > CC: g.giorgetti@xxxxxxxxxxxxxx > Regression: Yes > > > Both kernels 2.6.27 and 2.6.28 are working correctly. > Since Linux 2.6.29 till 2.6.31rc8 the regression(?) is out there. > > Please let me know if I can provide any further details. > > Best regards, > Gabriele > > ================= > Here is the messages part for Linux 2.6.27: > > aic79xx 0000:41:01.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19 > scsi5 : Adaptec AIC79XX PCI-X SCSI HBA DRIVER, Rev 3.0 > <Adaptec 29320ALP PCIx Ultra320 SCSI adapter> > aic7901: Ultra320 Wide Channel A, SCSI Id=7, PCI-X 101-133Mhz, 512 SCBs > target5:0:3: asynchronous > scsi 5:0:3:0: Sequential-Access IBM HH LTO Gen 2 0376 PQ: 0 ANSI: 3 > target5:0:3: Beginning Domain Validation > target5:0:3: wide asynchronous > target5:0:3: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, offset 126) > target5:0:3: Ending Domain Validation > scsi 5:0:3:0: Attached scsi generic sg7 type 1 > st: Version 20080504, fixed bufsize 32768, s/g segs 256 > Driver 'st' needs updating - please use bus_type methods > st 5:0:3:0: Attached scsi tape st0 > st 5:0:3:0: st0: try direct i/o: yes (alignment 4 B) > osst :I: Tape driver with OnStream support version 0.99.4 > osst :I: $Id: osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $ > Driver 'osst' needs updating - please use bus_type methods > st0: Block limits 256 - 524288 bytes. > ================= > > ================= > Here is Linux 2.6.30: > > Aug 3 06:25:04 svil kernel: aic79xx 0000:41:01.0: PCI INT A -> GSI 19 (level, > low) -> IRQ 19 > Aug 3 06:25:04 svil kernel: scsi5 : Adaptec AIC79XX PCI-X SCSI HBA DRIVER, Rev > 3.0 > Aug 3 06:25:04 svil kernel: <Adaptec 29320ALP PCIx Ultra320 SCSI > adapter> > Aug 3 06:25:04 svil kernel: aic7901: Ultra320 Wide Channel A, SCSI > Id=7, PCI-X 101-1 > Aug 3 06:25:04 svil kernel: scsi 5:0:0:0: Attempting to queue an ABORT > message:CDB: 0x12 0x0 That's an inquiry to a non-existent target. It should have returned a DID_NO_CONNECT timeout within 250ms. The fact that it didn't is suggestive of interrupt routing problems. After all these messages have completed, what does /proc/interrupts say? James -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
