Hi, We received a bug report https://bugzilla.redhat.com/show_bug.cgi?id=1321033 of qla1280 scsi host failure on 4.4 based kernels that looks to be caused by page alloc failure: [ 4.804166] scsi host0: QLogic QLA1040 PCI to SCSI Host Adapter Firmware version: 7.65.06, Driver version 3.27.1 [ 4.804174] ------------[ cut here ]------------ [ 4.804184] WARNING: CPU: 2 PID: 305 at mm/page_alloc.c:2989 __alloc_pages_nodemask+0xae8/0xbc0() [ 4.804186] Modules linked in: amdkfd amd_iommu_v2 radeon i2c_algo_bit drm_kms_helper ttm drm megaraid_sas serio_raw 8021q garp bnx2 stp llc mrp sunhme qla1280(+) fjes [ 4.804208] CPU: 2 PID: 305 Comm: systemd-udevd Not tainted 4.4.6-201.fc22.x86_64 #1 [ 4.804210] Hardware name: Google Enterprise Search Appliance/0DT021, BIOS 1.1.2 08/14/2006 [ 4.804212] 0000000000000286 000000002f01064c ffff88042985b710 ffffffff813b542e [ 4.804216] 0000000000000000 ffffffff81a75024 ffff88042985b748 ffffffff810a40f2 [ 4.804220] 0000000000000000 0000000000000000 000000000000000b 0000000000000000 [ 4.804223] Call Trace: [ 4.804231] [<ffffffff813b542e>] dump_stack+0x63/0x85 [ 4.804236] [<ffffffff810a40f2>] warn_slowpath_common+0x82/0xc0 [ 4.804239] [<ffffffff810a423a>] warn_slowpath_null+0x1a/0x20 [ 4.804242] [<ffffffff811b75e8>] __alloc_pages_nodemask+0xae8/0xbc0 [ 4.804247] [<ffffffff817a002e>] ? _raw_spin_unlock_irqrestore+0xe/0x10 [ 4.804251] [<ffffffff811908be>] ? irq_work_queue+0x8e/0xa0 [ 4.804256] [<ffffffff810fa10a>] ? console_unlock+0x20a/0x540 [ 4.804262] [<ffffffff812029cc>] alloc_pages_current+0x8c/0x110 [ 4.804265] [<ffffffff811b5159>] alloc_kmem_pages+0x19/0x90 [ 4.804268] [<ffffffff811d2efe>] kmalloc_order_trace+0x2e/0xe0 [ 4.804272] [<ffffffff8120e6d2>] __kmalloc+0x232/0x260 [ 4.804277] [<ffffffff8138990d>] init_tag_map+0x3d/0xc0 [ 4.804290] [<ffffffff813899d5>] __blk_queue_init_tags+0x45/0x80 [ 4.804293] [<ffffffff81389a24>] blk_init_tags+0x14/0x20 [ 4.804298] [<ffffffff81520e60>] scsi_add_host_with_dma+0x80/0x300 [ 4.804305] [<ffffffffa000fec3>] qla1280_probe_one+0x683/0x9ef [qla1280] [ 4.804309] [<ffffffff81401115>] local_pci_probe+0x45/0xa0 [ 4.804312] [<ffffffff814024fd>] pci_device_probe+0xfd/0x140 [ 4.804316] [<ffffffff814ef1d2>] driver_probe_device+0x222/0x490 [ 4.804319] [<ffffffff814ef4c4>] __driver_attach+0x84/0x90 [ 4.804321] [<ffffffff814ef440>] ? driver_probe_device+0x490/0x490 [ 4.804324] [<ffffffff814eccac>] bus_for_each_dev+0x6c/0xc0 [ 4.804326] [<ffffffff814ee98e>] driver_attach+0x1e/0x20 [ 4.804328] [<ffffffff814ee4cb>] bus_add_driver+0x1eb/0x280 [ 4.804331] [<ffffffffa0015000>] ? 0xffffffffa0015000 [ 4.804333] [<ffffffff814efd80>] driver_register+0x60/0xe0 [ 4.804336] [<ffffffff81400a5c>] __pci_register_driver+0x4c/0x50 [ 4.804339] [<ffffffffa00151ce>] qla1280_init+0x1ce/0x1000 [qla1280] [ 4.804341] [<ffffffffa0015000>] ? 0xffffffffa0015000 [ 4.804345] [<ffffffff81002123>] do_one_initcall+0xb3/0x200 [ 4.804348] [<ffffffff8120d086>] ? kmem_cache_alloc_trace+0x196/0x210 [ 4.804352] [<ffffffff811aba7e>] ? do_init_module+0x27/0x1cb [ 4.804354] [<ffffffff811abab6>] do_init_module+0x5f/0x1cb [ 4.804358] [<ffffffff8112a6e0>] load_module+0x2040/0x2680 [ 4.804360] [<ffffffff81126e40>] ? __symbol_put+0x60/0x60 [ 4.804363] [<ffffffff8112ae69>] SYSC_init_module+0x149/0x190 [ 4.804366] [<ffffffff8112af9e>] SyS_init_module+0xe/0x10 [ 4.804369] [<ffffffff817a05ae>] entry_SYSCALL_64_fastpath+0x12/0x71 [ 4.804371] ---[ end trace 0ea3b625f86705f7 ]--- [ 4.804581] qla1280: probe of 0000:11:04.0 failed with error -12 This looks very similar to http://www.spinics.net/lists/linux-usb/msg136998.html which was fixed by 55ff8cfbc4e1 ("USB: uas: Reduce can_queue to MAX_CMNDS"). Does a similar fix need to be applied here? Thanks, Laura -- 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
